]>
Commit | Line | Data |
---|---|---|
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 | * | |
896014f4 DL |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; see the file COPYING; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 22 | */ |
23 | ||
24 | #include <zebra.h> | |
25 | ||
07661cb5 | 26 | #include <net-snmp/net-snmp-config.h> |
fb62a3ce | 27 | #include <net-snmp/net-snmp-includes.h> |
718e3744 | 28 | |
29 | #include "if.h" | |
30 | #include "log.h" | |
31 | #include "prefix.h" | |
32 | #include "table.h" | |
33 | #include "command.h" | |
34 | #include "memory.h" | |
35 | #include "smux.h" | |
5986b66b DL |
36 | #include "libfrr.h" |
37 | #include "version.h" | |
718e3744 | 38 | |
39 | #include "ospfd/ospfd.h" | |
40 | #include "ospfd/ospf_interface.h" | |
41 | #include "ospfd/ospf_asbr.h" | |
42 | #include "ospfd/ospf_lsa.h" | |
43 | #include "ospfd/ospf_lsdb.h" | |
44 | #include "ospfd/ospf_abr.h" | |
45 | #include "ospfd/ospf_neighbor.h" | |
46 | #include "ospfd/ospf_nsm.h" | |
47 | #include "ospfd/ospf_flood.h" | |
e6217879 | 48 | #include "ospfd/ospf_ism.h" |
9aecfae2 | 49 | #include "ospfd/ospf_dump.h" |
3012671f | 50 | #include "ospfd/ospf_zebra.h" |
6b0655a2 | 51 | |
718e3744 | 52 | /* OSPF2-MIB. */ |
53 | #define OSPF2MIB 1,3,6,1,2,1,14 | |
54 | ||
718e3744 | 55 | /* OSPF MIB General Group values. */ |
56 | #define OSPFROUTERID 1 | |
57 | #define OSPFADMINSTAT 2 | |
58 | #define OSPFVERSIONNUMBER 3 | |
59 | #define OSPFAREABDRRTRSTATUS 4 | |
60 | #define OSPFASBDRRTRSTATUS 5 | |
61 | #define OSPFEXTERNLSACOUNT 6 | |
62 | #define OSPFEXTERNLSACKSUMSUM 7 | |
63 | #define OSPFTOSSUPPORT 8 | |
64 | #define OSPFORIGINATENEWLSAS 9 | |
65 | #define OSPFRXNEWLSAS 10 | |
66 | #define OSPFEXTLSDBLIMIT 11 | |
67 | #define OSPFMULTICASTEXTENSIONS 12 | |
68 | #define OSPFEXITOVERFLOWINTERVAL 13 | |
69 | #define OSPFDEMANDEXTENSIONS 14 | |
70 | ||
71 | /* OSPF MIB ospfAreaTable. */ | |
72 | #define OSPFAREAID 1 | |
73 | #define OSPFAUTHTYPE 2 | |
74 | #define OSPFIMPORTASEXTERN 3 | |
75 | #define OSPFSPFRUNS 4 | |
76 | #define OSPFAREABDRRTRCOUNT 5 | |
77 | #define OSPFASBDRRTRCOUNT 6 | |
78 | #define OSPFAREALSACOUNT 7 | |
79 | #define OSPFAREALSACKSUMSUM 8 | |
80 | #define OSPFAREASUMMARY 9 | |
81 | #define OSPFAREASTATUS 10 | |
82 | ||
83 | /* OSPF MIB ospfStubAreaTable. */ | |
84 | #define OSPFSTUBAREAID 1 | |
85 | #define OSPFSTUBTOS 2 | |
86 | #define OSPFSTUBMETRIC 3 | |
87 | #define OSPFSTUBSTATUS 4 | |
88 | #define OSPFSTUBMETRICTYPE 5 | |
89 | ||
90 | /* OSPF MIB ospfLsdbTable. */ | |
91 | #define OSPFLSDBAREAID 1 | |
92 | #define OSPFLSDBTYPE 2 | |
93 | #define OSPFLSDBLSID 3 | |
94 | #define OSPFLSDBROUTERID 4 | |
95 | #define OSPFLSDBSEQUENCE 5 | |
96 | #define OSPFLSDBAGE 6 | |
97 | #define OSPFLSDBCHECKSUM 7 | |
98 | #define OSPFLSDBADVERTISEMENT 8 | |
99 | ||
100 | /* OSPF MIB ospfAreaRangeTable. */ | |
101 | #define OSPFAREARANGEAREAID 1 | |
102 | #define OSPFAREARANGENET 2 | |
103 | #define OSPFAREARANGEMASK 3 | |
104 | #define OSPFAREARANGESTATUS 4 | |
105 | #define OSPFAREARANGEEFFECT 5 | |
106 | ||
107 | /* OSPF MIB ospfHostTable. */ | |
108 | #define OSPFHOSTIPADDRESS 1 | |
109 | #define OSPFHOSTTOS 2 | |
110 | #define OSPFHOSTMETRIC 3 | |
111 | #define OSPFHOSTSTATUS 4 | |
112 | #define OSPFHOSTAREAID 5 | |
113 | ||
114 | /* OSPF MIB ospfIfTable. */ | |
115 | #define OSPFIFIPADDRESS 1 | |
116 | #define OSPFADDRESSLESSIF 2 | |
117 | #define OSPFIFAREAID 3 | |
118 | #define OSPFIFTYPE 4 | |
119 | #define OSPFIFADMINSTAT 5 | |
120 | #define OSPFIFRTRPRIORITY 6 | |
121 | #define OSPFIFTRANSITDELAY 7 | |
122 | #define OSPFIFRETRANSINTERVAL 8 | |
123 | #define OSPFIFHELLOINTERVAL 9 | |
124 | #define OSPFIFRTRDEADINTERVAL 10 | |
125 | #define OSPFIFPOLLINTERVAL 11 | |
126 | #define OSPFIFSTATE 12 | |
127 | #define OSPFIFDESIGNATEDROUTER 13 | |
128 | #define OSPFIFBACKUPDESIGNATEDROUTER 14 | |
129 | #define OSPFIFEVENTS 15 | |
130 | #define OSPFIFAUTHKEY 16 | |
131 | #define OSPFIFSTATUS 17 | |
132 | #define OSPFIFMULTICASTFORWARDING 18 | |
133 | #define OSPFIFDEMAND 19 | |
134 | #define OSPFIFAUTHTYPE 20 | |
135 | ||
136 | /* OSPF MIB ospfIfMetricTable. */ | |
137 | #define OSPFIFMETRICIPADDRESS 1 | |
138 | #define OSPFIFMETRICADDRESSLESSIF 2 | |
139 | #define OSPFIFMETRICTOS 3 | |
140 | #define OSPFIFMETRICVALUE 4 | |
141 | #define OSPFIFMETRICSTATUS 5 | |
142 | ||
143 | /* OSPF MIB ospfVirtIfTable. */ | |
144 | #define OSPFVIRTIFAREAID 1 | |
145 | #define OSPFVIRTIFNEIGHBOR 2 | |
146 | #define OSPFVIRTIFTRANSITDELAY 3 | |
147 | #define OSPFVIRTIFRETRANSINTERVAL 4 | |
148 | #define OSPFVIRTIFHELLOINTERVAL 5 | |
149 | #define OSPFVIRTIFRTRDEADINTERVAL 6 | |
150 | #define OSPFVIRTIFSTATE 7 | |
151 | #define OSPFVIRTIFEVENTS 8 | |
152 | #define OSPFVIRTIFAUTHKEY 9 | |
153 | #define OSPFVIRTIFSTATUS 10 | |
154 | #define OSPFVIRTIFAUTHTYPE 11 | |
155 | ||
156 | /* OSPF MIB ospfNbrTable. */ | |
157 | #define OSPFNBRIPADDR 1 | |
158 | #define OSPFNBRADDRESSLESSINDEX 2 | |
159 | #define OSPFNBRRTRID 3 | |
160 | #define OSPFNBROPTIONS 4 | |
161 | #define OSPFNBRPRIORITY 5 | |
162 | #define OSPFNBRSTATE 6 | |
163 | #define OSPFNBREVENTS 7 | |
164 | #define OSPFNBRLSRETRANSQLEN 8 | |
165 | #define OSPFNBMANBRSTATUS 9 | |
166 | #define OSPFNBMANBRPERMANENCE 10 | |
167 | #define OSPFNBRHELLOSUPPRESSED 11 | |
168 | ||
169 | /* OSPF MIB ospfVirtNbrTable. */ | |
170 | #define OSPFVIRTNBRAREA 1 | |
171 | #define OSPFVIRTNBRRTRID 2 | |
172 | #define OSPFVIRTNBRIPADDR 3 | |
173 | #define OSPFVIRTNBROPTIONS 4 | |
174 | #define OSPFVIRTNBRSTATE 5 | |
175 | #define OSPFVIRTNBREVENTS 6 | |
176 | #define OSPFVIRTNBRLSRETRANSQLEN 7 | |
177 | #define OSPFVIRTNBRHELLOSUPPRESSED 8 | |
178 | ||
179 | /* OSPF MIB ospfExtLsdbTable. */ | |
180 | #define OSPFEXTLSDBTYPE 1 | |
181 | #define OSPFEXTLSDBLSID 2 | |
182 | #define OSPFEXTLSDBROUTERID 3 | |
183 | #define OSPFEXTLSDBSEQUENCE 4 | |
184 | #define OSPFEXTLSDBAGE 5 | |
185 | #define OSPFEXTLSDBCHECKSUM 6 | |
186 | #define OSPFEXTLSDBADVERTISEMENT 7 | |
187 | ||
188 | /* OSPF MIB ospfAreaAggregateTable. */ | |
189 | #define OSPFAREAAGGREGATEAREAID 1 | |
190 | #define OSPFAREAAGGREGATELSDBTYPE 2 | |
191 | #define OSPFAREAAGGREGATENET 3 | |
192 | #define OSPFAREAAGGREGATEMASK 4 | |
193 | #define OSPFAREAAGGREGATESTATUS 5 | |
194 | #define OSPFAREAAGGREGATEEFFECT 6 | |
195 | ||
196 | /* SYNTAX Status from OSPF-MIB. */ | |
197 | #define OSPF_STATUS_ENABLED 1 | |
198 | #define OSPF_STATUS_DISABLED 2 | |
199 | ||
200 | /* SNMP value hack. */ | |
201 | #define COUNTER ASN_COUNTER | |
202 | #define INTEGER ASN_INTEGER | |
203 | #define GAUGE ASN_GAUGE | |
204 | #define TIMETICKS ASN_TIMETICKS | |
205 | #define IPADDRESS ASN_IPADDRESS | |
206 | #define STRING ASN_OCTET_STR | |
6b0655a2 | 207 | |
3012671f | 208 | /* Because DR/DROther values are exhanged wrt RFC */ |
d62a17ae | 209 | #define ISM_SNMP(x) \ |
210 | (((x) == ISM_DROther) ? ISM_DR : ((x) == ISM_DR) ? ISM_DROther : (x)) | |
3012671f | 211 | |
718e3744 | 212 | /* Declare static local variables for convenience. */ |
213 | SNMP_LOCAL_VARIABLES | |
214 | ||
215 | /* OSPF-MIB instances. */ | |
d62a17ae | 216 | static oid ospf_oid[] = {OSPF2MIB}; |
217 | static oid ospf_trap_oid[] = {OSPF2MIB, 16, 2}; /* Not reverse mappable! */ | |
718e3744 | 218 | |
219 | /* IP address 0.0.0.0. */ | |
d62a17ae | 220 | static struct in_addr ospf_empty_addr = {.s_addr = 0}; |
718e3744 | 221 | |
222 | /* Hook functions. */ | |
d62a17ae | 223 | static u_char *ospfGeneralGroup(struct variable *, oid *, size_t *, int, |
0be8dfb2 | 224 | size_t *, WriteMethod **); |
d62a17ae | 225 | static u_char *ospfAreaEntry(struct variable *, oid *, size_t *, int, size_t *, |
226 | WriteMethod **); | |
227 | static u_char *ospfStubAreaEntry(struct variable *, oid *, size_t *, int, | |
0be8dfb2 | 228 | size_t *, WriteMethod **); |
d62a17ae | 229 | static u_char *ospfLsdbEntry(struct variable *, oid *, size_t *, int, size_t *, |
230 | WriteMethod **); | |
231 | static u_char *ospfAreaRangeEntry(struct variable *, oid *, size_t *, int, | |
232 | size_t *, WriteMethod **); | |
233 | static u_char *ospfHostEntry(struct variable *, oid *, size_t *, int, size_t *, | |
234 | WriteMethod **); | |
235 | static u_char *ospfIfEntry(struct variable *, oid *, size_t *, int, size_t *, | |
236 | WriteMethod **); | |
237 | static u_char *ospfIfMetricEntry(struct variable *, oid *, size_t *, int, | |
0be8dfb2 | 238 | size_t *, WriteMethod **); |
d62a17ae | 239 | static u_char *ospfVirtIfEntry(struct variable *, oid *, size_t *, int, |
240 | size_t *, WriteMethod **); | |
241 | static u_char *ospfNbrEntry(struct variable *, oid *, size_t *, int, size_t *, | |
242 | WriteMethod **); | |
243 | static u_char *ospfVirtNbrEntry(struct variable *, oid *, size_t *, int, | |
244 | size_t *, WriteMethod **); | |
245 | static u_char *ospfExtLsdbEntry(struct variable *, oid *, size_t *, int, | |
246 | size_t *, WriteMethod **); | |
247 | static u_char *ospfAreaAggregateEntry(struct variable *, oid *, size_t *, int, | |
248 | size_t *, WriteMethod **); | |
249 | ||
250 | static struct variable ospf_variables[] = { | |
251 | /* OSPF general variables */ | |
252 | {OSPFROUTERID, IPADDRESS, RWRITE, ospfGeneralGroup, 2, {1, 1}}, | |
253 | {OSPFADMINSTAT, INTEGER, RWRITE, ospfGeneralGroup, 2, {1, 2}}, | |
254 | {OSPFVERSIONNUMBER, INTEGER, RONLY, ospfGeneralGroup, 2, {1, 3}}, | |
255 | {OSPFAREABDRRTRSTATUS, INTEGER, RONLY, ospfGeneralGroup, 2, {1, 4}}, | |
256 | {OSPFASBDRRTRSTATUS, INTEGER, RWRITE, ospfGeneralGroup, 2, {1, 5}}, | |
257 | {OSPFEXTERNLSACOUNT, GAUGE, RONLY, ospfGeneralGroup, 2, {1, 6}}, | |
258 | {OSPFEXTERNLSACKSUMSUM, INTEGER, RONLY, ospfGeneralGroup, 2, {1, 7}}, | |
259 | {OSPFTOSSUPPORT, INTEGER, RWRITE, ospfGeneralGroup, 2, {1, 8}}, | |
260 | {OSPFORIGINATENEWLSAS, COUNTER, RONLY, ospfGeneralGroup, 2, {1, 9}}, | |
261 | {OSPFRXNEWLSAS, COUNTER, RONLY, ospfGeneralGroup, 2, {1, 10}}, | |
262 | {OSPFEXTLSDBLIMIT, INTEGER, RWRITE, ospfGeneralGroup, 2, {1, 11}}, | |
263 | {OSPFMULTICASTEXTENSIONS, | |
264 | INTEGER, | |
265 | RWRITE, | |
266 | ospfGeneralGroup, | |
267 | 2, | |
268 | {1, 12}}, | |
269 | {OSPFEXITOVERFLOWINTERVAL, | |
270 | INTEGER, | |
271 | RWRITE, | |
272 | ospfGeneralGroup, | |
273 | 2, | |
274 | {1, 13}}, | |
275 | {OSPFDEMANDEXTENSIONS, INTEGER, RWRITE, ospfGeneralGroup, 2, {1, 14}}, | |
276 | ||
277 | /* OSPF area data structure. */ | |
278 | {OSPFAREAID, IPADDRESS, RONLY, ospfAreaEntry, 3, {2, 1, 1}}, | |
279 | {OSPFAUTHTYPE, INTEGER, RWRITE, ospfAreaEntry, 3, {2, 1, 2}}, | |
280 | {OSPFIMPORTASEXTERN, INTEGER, RWRITE, ospfAreaEntry, 3, {2, 1, 3}}, | |
281 | {OSPFSPFRUNS, COUNTER, RONLY, ospfAreaEntry, 3, {2, 1, 4}}, | |
282 | {OSPFAREABDRRTRCOUNT, GAUGE, RONLY, ospfAreaEntry, 3, {2, 1, 5}}, | |
283 | {OSPFASBDRRTRCOUNT, GAUGE, RONLY, ospfAreaEntry, 3, {2, 1, 6}}, | |
284 | {OSPFAREALSACOUNT, GAUGE, RONLY, ospfAreaEntry, 3, {2, 1, 7}}, | |
285 | {OSPFAREALSACKSUMSUM, INTEGER, RONLY, ospfAreaEntry, 3, {2, 1, 8}}, | |
286 | {OSPFAREASUMMARY, INTEGER, RWRITE, ospfAreaEntry, 3, {2, 1, 9}}, | |
287 | {OSPFAREASTATUS, INTEGER, RWRITE, ospfAreaEntry, 3, {2, 1, 10}}, | |
288 | ||
289 | /* OSPF stub area information. */ | |
290 | {OSPFSTUBAREAID, IPADDRESS, RONLY, ospfStubAreaEntry, 3, {3, 1, 1}}, | |
291 | {OSPFSTUBTOS, INTEGER, RONLY, ospfStubAreaEntry, 3, {3, 1, 2}}, | |
292 | {OSPFSTUBMETRIC, INTEGER, RWRITE, ospfStubAreaEntry, 3, {3, 1, 3}}, | |
293 | {OSPFSTUBSTATUS, INTEGER, RWRITE, ospfStubAreaEntry, 3, {3, 1, 4}}, | |
294 | {OSPFSTUBMETRICTYPE, INTEGER, RWRITE, ospfStubAreaEntry, 3, {3, 1, 5}}, | |
295 | ||
296 | /* OSPF link state database. */ | |
297 | {OSPFLSDBAREAID, IPADDRESS, RONLY, ospfLsdbEntry, 3, {4, 1, 1}}, | |
298 | {OSPFLSDBTYPE, INTEGER, RONLY, ospfLsdbEntry, 3, {4, 1, 2}}, | |
299 | {OSPFLSDBLSID, IPADDRESS, RONLY, ospfLsdbEntry, 3, {4, 1, 3}}, | |
300 | {OSPFLSDBROUTERID, IPADDRESS, RONLY, ospfLsdbEntry, 3, {4, 1, 4}}, | |
301 | {OSPFLSDBSEQUENCE, INTEGER, RONLY, ospfLsdbEntry, 3, {4, 1, 5}}, | |
302 | {OSPFLSDBAGE, INTEGER, RONLY, ospfLsdbEntry, 3, {4, 1, 6}}, | |
303 | {OSPFLSDBCHECKSUM, INTEGER, RONLY, ospfLsdbEntry, 3, {4, 1, 7}}, | |
304 | {OSPFLSDBADVERTISEMENT, STRING, RONLY, ospfLsdbEntry, 3, {4, 1, 8}}, | |
305 | ||
306 | /* Area range table. */ | |
307 | {OSPFAREARANGEAREAID, | |
308 | IPADDRESS, | |
309 | RONLY, | |
310 | ospfAreaRangeEntry, | |
311 | 3, | |
312 | {5, 1, 1}}, | |
313 | {OSPFAREARANGENET, IPADDRESS, RONLY, ospfAreaRangeEntry, 3, {5, 1, 2}}, | |
314 | {OSPFAREARANGEMASK, | |
315 | IPADDRESS, | |
316 | RWRITE, | |
317 | ospfAreaRangeEntry, | |
318 | 3, | |
319 | {5, 1, 3}}, | |
320 | {OSPFAREARANGESTATUS, | |
321 | INTEGER, | |
322 | RWRITE, | |
323 | ospfAreaRangeEntry, | |
324 | 3, | |
325 | {5, 1, 4}}, | |
326 | {OSPFAREARANGEEFFECT, | |
327 | INTEGER, | |
328 | RWRITE, | |
329 | ospfAreaRangeEntry, | |
330 | 3, | |
331 | {5, 1, 5}}, | |
332 | ||
333 | /* OSPF host table. */ | |
334 | {OSPFHOSTIPADDRESS, IPADDRESS, RONLY, ospfHostEntry, 3, {6, 1, 1}}, | |
335 | {OSPFHOSTTOS, INTEGER, RONLY, ospfHostEntry, 3, {6, 1, 2}}, | |
336 | {OSPFHOSTMETRIC, INTEGER, RWRITE, ospfHostEntry, 3, {6, 1, 3}}, | |
337 | {OSPFHOSTSTATUS, INTEGER, RWRITE, ospfHostEntry, 3, {6, 1, 4}}, | |
338 | {OSPFHOSTAREAID, IPADDRESS, RONLY, ospfHostEntry, 3, {6, 1, 5}}, | |
339 | ||
340 | /* OSPF interface table. */ | |
341 | {OSPFIFIPADDRESS, IPADDRESS, RONLY, ospfIfEntry, 3, {7, 1, 1}}, | |
342 | {OSPFADDRESSLESSIF, INTEGER, RONLY, ospfIfEntry, 3, {7, 1, 2}}, | |
343 | {OSPFIFAREAID, IPADDRESS, RWRITE, ospfIfEntry, 3, {7, 1, 3}}, | |
344 | {OSPFIFTYPE, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 4}}, | |
345 | {OSPFIFADMINSTAT, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 5}}, | |
346 | {OSPFIFRTRPRIORITY, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 6}}, | |
347 | {OSPFIFTRANSITDELAY, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 7}}, | |
348 | {OSPFIFRETRANSINTERVAL, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 8}}, | |
349 | {OSPFIFHELLOINTERVAL, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 9}}, | |
350 | {OSPFIFRTRDEADINTERVAL, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 10}}, | |
351 | {OSPFIFPOLLINTERVAL, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 11}}, | |
352 | {OSPFIFSTATE, INTEGER, RONLY, ospfIfEntry, 3, {7, 1, 12}}, | |
353 | {OSPFIFDESIGNATEDROUTER, IPADDRESS, RONLY, ospfIfEntry, 3, {7, 1, 13}}, | |
354 | {OSPFIFBACKUPDESIGNATEDROUTER, | |
355 | IPADDRESS, | |
356 | RONLY, | |
357 | ospfIfEntry, | |
358 | 3, | |
359 | {7, 1, 14}}, | |
360 | {OSPFIFEVENTS, COUNTER, RONLY, ospfIfEntry, 3, {7, 1, 15}}, | |
361 | {OSPFIFAUTHKEY, STRING, RWRITE, ospfIfEntry, 3, {7, 1, 16}}, | |
362 | {OSPFIFSTATUS, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 17}}, | |
363 | {OSPFIFMULTICASTFORWARDING, | |
364 | INTEGER, | |
365 | RWRITE, | |
366 | ospfIfEntry, | |
367 | 3, | |
368 | {7, 1, 18}}, | |
369 | {OSPFIFDEMAND, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 19}}, | |
370 | {OSPFIFAUTHTYPE, INTEGER, RWRITE, ospfIfEntry, 3, {7, 1, 20}}, | |
371 | ||
372 | /* OSPF interface metric table. */ | |
373 | {OSPFIFMETRICIPADDRESS, | |
374 | IPADDRESS, | |
375 | RONLY, | |
376 | ospfIfMetricEntry, | |
377 | 3, | |
378 | {8, 1, 1}}, | |
379 | {OSPFIFMETRICADDRESSLESSIF, | |
380 | INTEGER, | |
381 | RONLY, | |
382 | ospfIfMetricEntry, | |
383 | 3, | |
384 | {8, 1, 2}}, | |
385 | {OSPFIFMETRICTOS, INTEGER, RONLY, ospfIfMetricEntry, 3, {8, 1, 3}}, | |
386 | {OSPFIFMETRICVALUE, INTEGER, RWRITE, ospfIfMetricEntry, 3, {8, 1, 4}}, | |
387 | {OSPFIFMETRICSTATUS, INTEGER, RWRITE, ospfIfMetricEntry, 3, {8, 1, 5}}, | |
388 | ||
389 | /* OSPF virtual interface table. */ | |
390 | {OSPFVIRTIFAREAID, IPADDRESS, RONLY, ospfVirtIfEntry, 3, {9, 1, 1}}, | |
391 | {OSPFVIRTIFNEIGHBOR, IPADDRESS, RONLY, ospfVirtIfEntry, 3, {9, 1, 2}}, | |
392 | {OSPFVIRTIFTRANSITDELAY, | |
393 | INTEGER, | |
394 | RWRITE, | |
395 | ospfVirtIfEntry, | |
396 | 3, | |
397 | {9, 1, 3}}, | |
398 | {OSPFVIRTIFRETRANSINTERVAL, | |
399 | INTEGER, | |
400 | RWRITE, | |
401 | ospfVirtIfEntry, | |
402 | 3, | |
403 | {9, 1, 4}}, | |
404 | {OSPFVIRTIFHELLOINTERVAL, | |
405 | INTEGER, | |
406 | RWRITE, | |
407 | ospfVirtIfEntry, | |
408 | 3, | |
409 | {9, 1, 5}}, | |
410 | {OSPFVIRTIFRTRDEADINTERVAL, | |
411 | INTEGER, | |
412 | RWRITE, | |
413 | ospfVirtIfEntry, | |
414 | 3, | |
415 | {9, 1, 6}}, | |
416 | {OSPFVIRTIFSTATE, INTEGER, RONLY, ospfVirtIfEntry, 3, {9, 1, 7}}, | |
417 | {OSPFVIRTIFEVENTS, COUNTER, RONLY, ospfVirtIfEntry, 3, {9, 1, 8}}, | |
418 | {OSPFVIRTIFAUTHKEY, STRING, RWRITE, ospfVirtIfEntry, 3, {9, 1, 9}}, | |
419 | {OSPFVIRTIFSTATUS, INTEGER, RWRITE, ospfVirtIfEntry, 3, {9, 1, 10}}, | |
420 | {OSPFVIRTIFAUTHTYPE, INTEGER, RWRITE, ospfVirtIfEntry, 3, {9, 1, 11}}, | |
421 | ||
422 | /* OSPF neighbor table. */ | |
423 | {OSPFNBRIPADDR, IPADDRESS, RONLY, ospfNbrEntry, 3, {10, 1, 1}}, | |
424 | {OSPFNBRADDRESSLESSINDEX, INTEGER, RONLY, ospfNbrEntry, 3, {10, 1, 2}}, | |
425 | {OSPFNBRRTRID, IPADDRESS, RONLY, ospfNbrEntry, 3, {10, 1, 3}}, | |
426 | {OSPFNBROPTIONS, INTEGER, RONLY, ospfNbrEntry, 3, {10, 1, 4}}, | |
427 | {OSPFNBRPRIORITY, INTEGER, RWRITE, ospfNbrEntry, 3, {10, 1, 5}}, | |
428 | {OSPFNBRSTATE, INTEGER, RONLY, ospfNbrEntry, 3, {10, 1, 6}}, | |
429 | {OSPFNBREVENTS, COUNTER, RONLY, ospfNbrEntry, 3, {10, 1, 7}}, | |
430 | {OSPFNBRLSRETRANSQLEN, GAUGE, RONLY, ospfNbrEntry, 3, {10, 1, 8}}, | |
431 | {OSPFNBMANBRSTATUS, INTEGER, RWRITE, ospfNbrEntry, 3, {10, 1, 9}}, | |
432 | {OSPFNBMANBRPERMANENCE, INTEGER, RONLY, ospfNbrEntry, 3, {10, 1, 10}}, | |
433 | {OSPFNBRHELLOSUPPRESSED, INTEGER, RONLY, ospfNbrEntry, 3, {10, 1, 11}}, | |
434 | ||
435 | /* OSPF virtual neighbor table. */ | |
436 | {OSPFVIRTNBRAREA, IPADDRESS, RONLY, ospfVirtNbrEntry, 3, {11, 1, 1}}, | |
437 | {OSPFVIRTNBRRTRID, IPADDRESS, RONLY, ospfVirtNbrEntry, 3, {11, 1, 2}}, | |
438 | {OSPFVIRTNBRIPADDR, IPADDRESS, RONLY, ospfVirtNbrEntry, 3, {11, 1, 3}}, | |
439 | {OSPFVIRTNBROPTIONS, INTEGER, RONLY, ospfVirtNbrEntry, 3, {11, 1, 4}}, | |
440 | {OSPFVIRTNBRSTATE, INTEGER, RONLY, ospfVirtNbrEntry, 3, {11, 1, 5}}, | |
441 | {OSPFVIRTNBREVENTS, COUNTER, RONLY, ospfVirtNbrEntry, 3, {11, 1, 6}}, | |
442 | {OSPFVIRTNBRLSRETRANSQLEN, | |
443 | INTEGER, | |
444 | RONLY, | |
445 | ospfVirtNbrEntry, | |
446 | 3, | |
447 | {11, 1, 7}}, | |
448 | {OSPFVIRTNBRHELLOSUPPRESSED, | |
449 | INTEGER, | |
450 | RONLY, | |
451 | ospfVirtNbrEntry, | |
452 | 3, | |
453 | {11, 1, 8}}, | |
454 | ||
455 | /* OSPF link state database, external. */ | |
456 | {OSPFEXTLSDBTYPE, INTEGER, RONLY, ospfExtLsdbEntry, 3, {12, 1, 1}}, | |
457 | {OSPFEXTLSDBLSID, IPADDRESS, RONLY, ospfExtLsdbEntry, 3, {12, 1, 2}}, | |
458 | {OSPFEXTLSDBROUTERID, | |
459 | IPADDRESS, | |
460 | RONLY, | |
461 | ospfExtLsdbEntry, | |
462 | 3, | |
463 | {12, 1, 3}}, | |
464 | {OSPFEXTLSDBSEQUENCE, INTEGER, RONLY, ospfExtLsdbEntry, 3, {12, 1, 4}}, | |
465 | {OSPFEXTLSDBAGE, INTEGER, RONLY, ospfExtLsdbEntry, 3, {12, 1, 5}}, | |
466 | {OSPFEXTLSDBCHECKSUM, INTEGER, RONLY, ospfExtLsdbEntry, 3, {12, 1, 6}}, | |
467 | {OSPFEXTLSDBADVERTISEMENT, | |
468 | STRING, | |
469 | RONLY, | |
470 | ospfExtLsdbEntry, | |
471 | 3, | |
472 | {12, 1, 7}}, | |
473 | ||
474 | /* OSPF area aggregate table. */ | |
475 | {OSPFAREAAGGREGATEAREAID, | |
476 | IPADDRESS, | |
477 | RONLY, | |
478 | ospfAreaAggregateEntry, | |
479 | 3, | |
480 | {14, 1, 1}}, | |
481 | {OSPFAREAAGGREGATELSDBTYPE, | |
482 | INTEGER, | |
483 | RONLY, | |
484 | ospfAreaAggregateEntry, | |
485 | 3, | |
486 | {14, 1, 2}}, | |
487 | {OSPFAREAAGGREGATENET, | |
488 | IPADDRESS, | |
489 | RONLY, | |
490 | ospfAreaAggregateEntry, | |
491 | 3, | |
492 | {14, 1, 3}}, | |
493 | {OSPFAREAAGGREGATEMASK, | |
494 | IPADDRESS, | |
495 | RONLY, | |
496 | ospfAreaAggregateEntry, | |
497 | 3, | |
498 | {14, 1, 4}}, | |
499 | {OSPFAREAAGGREGATESTATUS, | |
500 | INTEGER, | |
501 | RWRITE, | |
502 | ospfAreaAggregateEntry, | |
503 | 3, | |
504 | {14, 1, 5}}, | |
505 | {OSPFAREAAGGREGATEEFFECT, | |
506 | INTEGER, | |
507 | RWRITE, | |
508 | ospfAreaAggregateEntry, | |
509 | 3, | |
510 | {14, 1, 6}}}; | |
6b0655a2 | 511 | |
718e3744 | 512 | /* The administrative status of OSPF. When OSPF is enbled on at least |
513 | one interface return 1. */ | |
d62a17ae | 514 | static int ospf_admin_stat(struct ospf *ospf) |
718e3744 | 515 | { |
d62a17ae | 516 | struct listnode *node; |
517 | struct ospf_interface *oi; | |
718e3744 | 518 | |
d62a17ae | 519 | if (ospf == NULL) |
520 | return 0; | |
718e3744 | 521 | |
d62a17ae | 522 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) |
523 | if (oi && oi->address) | |
524 | return 1; | |
718e3744 | 525 | |
d62a17ae | 526 | return 0; |
718e3744 | 527 | } |
528 | ||
d62a17ae | 529 | static u_char *ospfGeneralGroup(struct variable *v, oid *name, size_t *length, |
530 | int exact, size_t *var_len, | |
531 | WriteMethod **write_method) | |
718e3744 | 532 | { |
d62a17ae | 533 | struct ospf *ospf; |
534 | ||
b5a8894d | 535 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 536 | |
537 | /* Check whether the instance identifier is valid */ | |
538 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
539 | == MATCH_FAILED) | |
540 | return NULL; | |
541 | ||
542 | /* Return the current value of the variable */ | |
543 | switch (v->magic) { | |
544 | case OSPFROUTERID: /* 1 */ | |
545 | /* Router-ID of this OSPF instance. */ | |
546 | if (ospf) | |
547 | return SNMP_IPADDRESS(ospf->router_id); | |
548 | else | |
549 | return SNMP_IPADDRESS(ospf_empty_addr); | |
550 | break; | |
551 | case OSPFADMINSTAT: /* 2 */ | |
552 | /* The administrative status of OSPF in the router. */ | |
553 | if (ospf_admin_stat(ospf)) | |
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. */ | |
564 | if (ospf && CHECK_FLAG(ospf->flags, OSPF_FLAG_ABR)) | |
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. */ | |
571 | if (ospf && CHECK_FLAG(ospf->flags, OSPF_FLAG_ASBR)) | |
572 | return SNMP_INTEGER(SNMP_TRUE); | |
573 | else | |
574 | return SNMP_INTEGER(SNMP_FALSE); | |
575 | break; | |
576 | case OSPFEXTERNLSACOUNT: /* 6 */ | |
577 | /* External LSA counts. */ | |
578 | if (ospf) | |
579 | return SNMP_INTEGER(ospf_lsdb_count_all(ospf->lsdb)); | |
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. */ | |
593 | if (ospf) | |
594 | return SNMP_INTEGER(ospf->lsa_originate_count); | |
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. */ | |
601 | if (ospf) | |
602 | return SNMP_INTEGER(ospf->rx_lsa_count); | |
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; | |
718e3744 | 627 | } |
628 | ||
0be8dfb2 | 629 | static struct ospf_area * |
d62a17ae | 630 | ospf_area_lookup_next(struct ospf *ospf, struct in_addr *area_id, int first) |
718e3744 | 631 | { |
d62a17ae | 632 | struct ospf_area *area; |
633 | struct listnode *node; | |
634 | ||
635 | if (ospf == NULL) | |
636 | return NULL; | |
637 | ||
638 | if (first) { | |
639 | node = listhead(ospf->areas); | |
640 | if (node) { | |
641 | area = listgetdata(node); | |
642 | *area_id = area->area_id; | |
643 | return area; | |
644 | } | |
645 | return NULL; | |
718e3744 | 646 | } |
d62a17ae | 647 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { |
648 | if (ntohl(area->area_id.s_addr) > ntohl(area_id->s_addr)) { | |
649 | *area_id = area->area_id; | |
650 | return area; | |
651 | } | |
718e3744 | 652 | } |
d62a17ae | 653 | return NULL; |
718e3744 | 654 | } |
655 | ||
d62a17ae | 656 | static struct ospf_area *ospfAreaLookup(struct variable *v, oid name[], |
657 | size_t *length, struct in_addr *addr, | |
658 | int exact) | |
718e3744 | 659 | { |
d62a17ae | 660 | struct ospf *ospf; |
661 | struct ospf_area *area; | |
662 | int len; | |
718e3744 | 663 | |
b5a8894d | 664 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 665 | if (ospf == NULL) |
666 | return NULL; | |
718e3744 | 667 | |
d62a17ae | 668 | if (exact) { |
669 | /* Length is insufficient to lookup OSPF area. */ | |
670 | if (*length - v->namelen != sizeof(struct in_addr)) | |
671 | return NULL; | |
718e3744 | 672 | |
d62a17ae | 673 | oid2in_addr(name + v->namelen, sizeof(struct in_addr), addr); |
718e3744 | 674 | |
d62a17ae | 675 | area = ospf_area_lookup_by_area_id(ospf, *addr); |
718e3744 | 676 | |
d62a17ae | 677 | return area; |
678 | } else { | |
679 | len = *length - v->namelen; | |
680 | if (len > 4) | |
681 | len = 4; | |
718e3744 | 682 | |
d62a17ae | 683 | oid2in_addr(name + v->namelen, len, addr); |
718e3744 | 684 | |
d62a17ae | 685 | area = ospf_area_lookup_next(ospf, addr, len == 0 ? 1 : 0); |
718e3744 | 686 | |
d62a17ae | 687 | if (area == NULL) |
688 | return NULL; | |
718e3744 | 689 | |
d62a17ae | 690 | oid_copy_addr(name + v->namelen, addr, sizeof(struct in_addr)); |
691 | *length = sizeof(struct in_addr) + v->namelen; | |
718e3744 | 692 | |
d62a17ae | 693 | return area; |
718e3744 | 694 | } |
d62a17ae | 695 | return NULL; |
718e3744 | 696 | } |
697 | ||
d62a17ae | 698 | static u_char *ospfAreaEntry(struct variable *v, oid *name, size_t *length, |
699 | int exact, size_t *var_len, | |
700 | WriteMethod **write_method) | |
718e3744 | 701 | { |
d62a17ae | 702 | struct ospf_area *area; |
703 | struct in_addr addr; | |
704 | ||
705 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
706 | == MATCH_FAILED) | |
707 | return NULL; | |
708 | ||
709 | memset(&addr, 0, sizeof(struct in_addr)); | |
710 | ||
711 | area = ospfAreaLookup(v, name, length, &addr, exact); | |
712 | if (!area) | |
713 | return NULL; | |
714 | ||
715 | /* Return the current value of the variable */ | |
716 | switch (v->magic) { | |
717 | case OSPFAREAID: /* 1 */ | |
718 | return SNMP_IPADDRESS(area->area_id); | |
719 | break; | |
720 | case OSPFAUTHTYPE: /* 2 */ | |
721 | return SNMP_INTEGER(area->auth_type); | |
722 | break; | |
723 | case OSPFIMPORTASEXTERN: /* 3 */ | |
724 | return SNMP_INTEGER(area->external_routing + 1); | |
725 | break; | |
726 | case OSPFSPFRUNS: /* 4 */ | |
727 | return SNMP_INTEGER(area->spf_calculation); | |
728 | break; | |
729 | case OSPFAREABDRRTRCOUNT: /* 5 */ | |
730 | return SNMP_INTEGER(area->abr_count); | |
731 | break; | |
732 | case OSPFASBDRRTRCOUNT: /* 6 */ | |
733 | return SNMP_INTEGER(area->asbr_count); | |
734 | break; | |
735 | case OSPFAREALSACOUNT: /* 7 */ | |
736 | return SNMP_INTEGER(area->lsdb->total); | |
737 | break; | |
738 | case OSPFAREALSACKSUMSUM: /* 8 */ | |
739 | return SNMP_INTEGER(0); | |
740 | break; | |
741 | case OSPFAREASUMMARY: /* 9 */ | |
742 | /* $FRR indent$ */ | |
743 | /* clang-format off */ | |
744 | #define OSPF_noAreaSummary 1 | |
745 | #define OSPF_sendAreaSummary 2 | |
746 | if (area->no_summary) | |
747 | return SNMP_INTEGER(OSPF_noAreaSummary); | |
748 | else | |
749 | return SNMP_INTEGER(OSPF_sendAreaSummary); | |
750 | break; | |
751 | case OSPFAREASTATUS: /* 10 */ | |
752 | return SNMP_INTEGER(SNMP_VALID); | |
753 | break; | |
754 | default: | |
755 | return NULL; | |
756 | break; | |
757 | } | |
718e3744 | 758 | return NULL; |
718e3744 | 759 | } |
760 | ||
d62a17ae | 761 | static struct ospf_area *ospf_stub_area_lookup_next(struct in_addr *area_id, |
762 | int first) | |
718e3744 | 763 | { |
d62a17ae | 764 | struct ospf_area *area; |
765 | struct listnode *node; | |
766 | struct ospf *ospf; | |
767 | ||
b5a8894d | 768 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 769 | if (ospf == NULL) |
770 | return NULL; | |
771 | ||
772 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
773 | if (area->external_routing == OSPF_AREA_STUB) { | |
774 | if (first) { | |
775 | *area_id = area->area_id; | |
776 | return area; | |
777 | } else if (ntohl(area->area_id.s_addr) | |
778 | > ntohl(area_id->s_addr)) { | |
779 | *area_id = area->area_id; | |
780 | return area; | |
781 | } | |
782 | } | |
783 | } | |
784 | return NULL; | |
718e3744 | 785 | } |
786 | ||
d62a17ae | 787 | static struct ospf_area *ospfStubAreaLookup(struct variable *v, oid name[], |
788 | size_t *length, | |
789 | struct in_addr *addr, int exact) | |
718e3744 | 790 | { |
d62a17ae | 791 | struct ospf *ospf; |
792 | struct ospf_area *area; | |
793 | int len; | |
718e3744 | 794 | |
b5a8894d | 795 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 796 | if (ospf == NULL) |
797 | return NULL; | |
718e3744 | 798 | |
d62a17ae | 799 | /* Exact lookup. */ |
800 | if (exact) { | |
801 | /* ospfStubAreaID + ospfStubTOS. */ | |
802 | if (*length != v->namelen + sizeof(struct in_addr) + 1) | |
803 | return NULL; | |
718e3744 | 804 | |
d62a17ae | 805 | /* Check ospfStubTOS is zero. */ |
806 | if (name[*length - 1] != 0) | |
807 | return NULL; | |
718e3744 | 808 | |
d62a17ae | 809 | oid2in_addr(name + v->namelen, sizeof(struct in_addr), addr); |
718e3744 | 810 | |
d62a17ae | 811 | area = ospf_area_lookup_by_area_id(ospf, *addr); |
718e3744 | 812 | |
d62a17ae | 813 | if (area->external_routing == OSPF_AREA_STUB) |
814 | return area; | |
815 | else | |
816 | return NULL; | |
817 | } else { | |
818 | len = *length - v->namelen; | |
819 | if (len > 4) | |
820 | len = 4; | |
718e3744 | 821 | |
d62a17ae | 822 | oid2in_addr(name + v->namelen, len, addr); |
718e3744 | 823 | |
d62a17ae | 824 | area = ospf_stub_area_lookup_next(addr, len == 0 ? 1 : 0); |
718e3744 | 825 | |
d62a17ae | 826 | if (area == NULL) |
827 | return NULL; | |
718e3744 | 828 | |
d62a17ae | 829 | oid_copy_addr(name + v->namelen, addr, sizeof(struct in_addr)); |
830 | /* Set TOS 0. */ | |
831 | name[v->namelen + sizeof(struct in_addr)] = 0; | |
832 | *length = v->namelen + sizeof(struct in_addr) + 1; | |
833 | ||
834 | return area; | |
718e3744 | 835 | } |
d62a17ae | 836 | return NULL; |
718e3744 | 837 | } |
838 | ||
d62a17ae | 839 | static u_char *ospfStubAreaEntry(struct variable *v, oid *name, size_t *length, |
840 | int exact, size_t *var_len, | |
841 | WriteMethod **write_method) | |
718e3744 | 842 | { |
d62a17ae | 843 | struct ospf_area *area; |
844 | struct in_addr addr; | |
845 | ||
846 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
847 | == MATCH_FAILED) | |
848 | return NULL; | |
849 | ||
850 | memset(&addr, 0, sizeof(struct in_addr)); | |
851 | ||
852 | area = ospfStubAreaLookup(v, name, length, &addr, exact); | |
853 | if (!area) | |
854 | return NULL; | |
855 | ||
856 | /* Return the current value of the variable */ | |
857 | switch (v->magic) { | |
858 | case OSPFSTUBAREAID: /* 1 */ | |
859 | /* OSPF stub area id. */ | |
860 | return SNMP_IPADDRESS(area->area_id); | |
861 | break; | |
862 | case OSPFSTUBTOS: /* 2 */ | |
863 | /* TOS value is not supported. */ | |
864 | return SNMP_INTEGER(0); | |
865 | break; | |
866 | case OSPFSTUBMETRIC: /* 3 */ | |
867 | /* Default cost to stub area. */ | |
868 | return SNMP_INTEGER(area->default_cost); | |
869 | break; | |
870 | case OSPFSTUBSTATUS: /* 4 */ | |
871 | /* Status of the stub area. */ | |
872 | return SNMP_INTEGER(SNMP_VALID); | |
873 | break; | |
874 | case OSPFSTUBMETRICTYPE: /* 5 */ | |
9d303b37 | 875 | /* OSPF Metric type. */ |
d62a17ae | 876 | #define OSPF_ospfMetric 1 |
877 | #define OSPF_comparableCost 2 | |
878 | #define OSPF_nonComparable 3 | |
879 | return SNMP_INTEGER(OSPF_ospfMetric); | |
880 | break; | |
881 | default: | |
882 | return NULL; | |
883 | break; | |
884 | } | |
885 | return NULL; | |
718e3744 | 886 | } |
887 | ||
d62a17ae | 888 | static struct ospf_lsa *lsdb_lookup_next(struct ospf_area *area, u_char *type, |
889 | int type_next, struct in_addr *ls_id, | |
890 | int ls_id_next, | |
891 | struct in_addr *router_id, | |
892 | int router_id_next) | |
718e3744 | 893 | { |
d62a17ae | 894 | struct ospf_lsa *lsa; |
895 | int i; | |
896 | ||
897 | if (type_next) | |
898 | i = OSPF_MIN_LSA; | |
899 | else | |
900 | i = *type; | |
901 | ||
902 | /* Sanity check, if LSA type unknwon | |
903 | merley skip any LSA */ | |
904 | if ((i < OSPF_MIN_LSA) || (i >= OSPF_MAX_LSA)) { | |
905 | zlog_debug("Strange request with LSA type %d\n", i); | |
906 | return NULL; | |
907 | } | |
718e3744 | 908 | |
d62a17ae | 909 | for (; i < OSPF_MAX_LSA; i++) { |
910 | *type = i; | |
718e3744 | 911 | |
d62a17ae | 912 | lsa = ospf_lsdb_lookup_by_id_next(area->lsdb, *type, *ls_id, |
913 | *router_id, ls_id_next); | |
914 | if (lsa) | |
915 | return lsa; | |
718e3744 | 916 | |
d62a17ae | 917 | ls_id_next = 1; |
918 | } | |
718e3744 | 919 | return NULL; |
d62a17ae | 920 | } |
718e3744 | 921 | |
d62a17ae | 922 | static struct ospf_lsa *ospfLsdbLookup(struct variable *v, oid *name, |
923 | size_t *length, struct in_addr *area_id, | |
924 | u_char *type, struct in_addr *ls_id, | |
925 | struct in_addr *router_id, int exact) | |
926 | { | |
927 | struct ospf *ospf; | |
928 | struct ospf_area *area; | |
929 | struct ospf_lsa *lsa; | |
930 | int len; | |
931 | int type_next; | |
932 | int ls_id_next; | |
933 | int router_id_next; | |
934 | oid *offset; | |
935 | int offsetlen; | |
936 | ||
b5a8894d | 937 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 938 | |
939 | #define OSPF_LSDB_ENTRY_OFFSET (IN_ADDR_SIZE + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
940 | ||
941 | if (exact) { | |
942 | /* Area ID + Type + LS ID + Router ID. */ | |
943 | if (*length - v->namelen != OSPF_LSDB_ENTRY_OFFSET) | |
944 | return NULL; | |
945 | ||
946 | /* Set OID offset for Area ID. */ | |
947 | offset = name + v->namelen; | |
948 | ||
949 | /* Lookup area first. */ | |
950 | oid2in_addr(offset, IN_ADDR_SIZE, area_id); | |
951 | area = ospf_area_lookup_by_area_id(ospf, *area_id); | |
952 | if (!area) | |
953 | return NULL; | |
954 | offset += IN_ADDR_SIZE; | |
955 | ||
956 | /* Type. */ | |
957 | *type = *offset; | |
958 | offset++; | |
959 | ||
960 | /* LS ID. */ | |
961 | oid2in_addr(offset, IN_ADDR_SIZE, ls_id); | |
962 | offset += IN_ADDR_SIZE; | |
963 | ||
964 | /* Router ID. */ | |
965 | oid2in_addr(offset, IN_ADDR_SIZE, router_id); | |
966 | ||
967 | /* Lookup LSDB. */ | |
968 | return ospf_lsdb_lookup_by_id(area->lsdb, *type, *ls_id, | |
969 | *router_id); | |
970 | } else { | |
971 | /* Get variable length. */ | |
972 | offset = name + v->namelen; | |
973 | offsetlen = *length - v->namelen; | |
974 | len = offsetlen; | |
975 | ||
976 | if (len > (int)IN_ADDR_SIZE) | |
977 | len = IN_ADDR_SIZE; | |
978 | ||
979 | oid2in_addr(offset, len, area_id); | |
980 | ||
981 | /* First we search area. */ | |
982 | if (len == IN_ADDR_SIZE) | |
983 | area = ospf_area_lookup_by_area_id(ospf, *area_id); | |
984 | else | |
985 | area = ospf_area_lookup_next(ospf, area_id, 1); | |
986 | ||
987 | if (area == NULL) | |
988 | return NULL; | |
989 | ||
990 | do { | |
991 | /* Next we lookup type. */ | |
992 | offset += len; | |
993 | offsetlen -= len; | |
994 | len = offsetlen; | |
995 | ||
996 | if (len <= 0) | |
997 | type_next = 1; | |
998 | else { | |
999 | len = 1; | |
1000 | type_next = 0; | |
1001 | *type = *offset; | |
1002 | } | |
1003 | ||
1004 | /* LS ID. */ | |
1005 | offset++; | |
1006 | offsetlen--; | |
1007 | len = offsetlen; | |
1008 | ||
1009 | if (len <= 0) | |
1010 | ls_id_next = 1; | |
1011 | else { | |
1012 | ls_id_next = 0; | |
1013 | if (len > (int)IN_ADDR_SIZE) | |
1014 | len = IN_ADDR_SIZE; | |
1015 | ||
1016 | oid2in_addr(offset, len, ls_id); | |
1017 | } | |
1018 | ||
1019 | /* Router ID. */ | |
1020 | offset += IN_ADDR_SIZE; | |
1021 | offsetlen -= IN_ADDR_SIZE; | |
1022 | len = offsetlen; | |
1023 | ||
1024 | if (len <= 0) | |
1025 | router_id_next = 1; | |
1026 | else { | |
1027 | router_id_next = 0; | |
1028 | if (len > (int)IN_ADDR_SIZE) | |
1029 | len = IN_ADDR_SIZE; | |
1030 | ||
1031 | oid2in_addr(offset, len, router_id); | |
1032 | } | |
1033 | ||
1034 | lsa = lsdb_lookup_next(area, type, type_next, ls_id, | |
1035 | ls_id_next, router_id, | |
1036 | router_id_next); | |
1037 | ||
1038 | if (lsa) { | |
1039 | /* Fill in length. */ | |
1040 | *length = v->namelen + OSPF_LSDB_ENTRY_OFFSET; | |
1041 | ||
1042 | /* Fill in value. */ | |
1043 | offset = name + v->namelen; | |
1044 | oid_copy_addr(offset, area_id, IN_ADDR_SIZE); | |
1045 | offset += IN_ADDR_SIZE; | |
1046 | *offset = lsa->data->type; | |
1047 | offset++; | |
1048 | oid_copy_addr(offset, &lsa->data->id, | |
1049 | IN_ADDR_SIZE); | |
1050 | offset += IN_ADDR_SIZE; | |
1051 | oid_copy_addr(offset, &lsa->data->adv_router, | |
1052 | IN_ADDR_SIZE); | |
1053 | ||
1054 | return lsa; | |
1055 | } | |
1056 | } while ((area = ospf_area_lookup_next(ospf, area_id, 0)) | |
1057 | != NULL); | |
1058 | } | |
718e3744 | 1059 | return NULL; |
d62a17ae | 1060 | } |
718e3744 | 1061 | |
d62a17ae | 1062 | static u_char *ospfLsdbEntry(struct variable *v, oid *name, size_t *length, |
1063 | int exact, size_t *var_len, | |
1064 | WriteMethod **write_method) | |
1065 | { | |
1066 | struct ospf_lsa *lsa; | |
1067 | struct lsa_header *lsah; | |
1068 | struct in_addr area_id; | |
1069 | u_char type; | |
1070 | struct in_addr ls_id; | |
1071 | struct in_addr router_id; | |
1072 | struct ospf *ospf; | |
1073 | ||
1074 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1075 | == MATCH_FAILED) | |
1076 | return NULL; | |
1077 | ||
1078 | /* INDEX { ospfLsdbAreaId, ospfLsdbType, | |
1079 | ospfLsdbLsid, ospfLsdbRouterId } */ | |
1080 | ||
1081 | memset(&area_id, 0, sizeof(struct in_addr)); | |
1082 | type = 0; | |
1083 | memset(&ls_id, 0, sizeof(struct in_addr)); | |
1084 | memset(&router_id, 0, sizeof(struct in_addr)); | |
1085 | ||
1086 | /* Check OSPF instance. */ | |
b5a8894d | 1087 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1088 | if (ospf == NULL) |
1089 | return NULL; | |
1090 | ||
1091 | lsa = ospfLsdbLookup(v, name, length, &area_id, &type, &ls_id, | |
1092 | &router_id, exact); | |
1093 | if (!lsa) | |
1094 | return NULL; | |
1095 | ||
1096 | lsah = lsa->data; | |
1097 | ||
1098 | /* Return the current value of the variable */ | |
1099 | switch (v->magic) { | |
1100 | case OSPFLSDBAREAID: /* 1 */ | |
1101 | return SNMP_IPADDRESS(lsa->area->area_id); | |
1102 | break; | |
1103 | case OSPFLSDBTYPE: /* 2 */ | |
1104 | return SNMP_INTEGER(lsah->type); | |
1105 | break; | |
1106 | case OSPFLSDBLSID: /* 3 */ | |
1107 | return SNMP_IPADDRESS(lsah->id); | |
1108 | break; | |
1109 | case OSPFLSDBROUTERID: /* 4 */ | |
1110 | return SNMP_IPADDRESS(lsah->adv_router); | |
1111 | break; | |
1112 | case OSPFLSDBSEQUENCE: /* 5 */ | |
1113 | return SNMP_INTEGER(lsah->ls_seqnum); | |
1114 | break; | |
1115 | case OSPFLSDBAGE: /* 6 */ | |
1116 | return SNMP_INTEGER(lsah->ls_age); | |
1117 | break; | |
1118 | case OSPFLSDBCHECKSUM: /* 7 */ | |
1119 | return SNMP_INTEGER(lsah->checksum); | |
1120 | break; | |
1121 | case OSPFLSDBADVERTISEMENT: /* 8 */ | |
1122 | *var_len = ntohs(lsah->length); | |
1123 | return (u_char *)lsah; | |
1124 | break; | |
1125 | default: | |
1126 | return NULL; | |
1127 | break; | |
1128 | } | |
1129 | return NULL; | |
1130 | } | |
718e3744 | 1131 | |
d62a17ae | 1132 | static struct ospf_area_range *ospfAreaRangeLookup(struct variable *v, |
1133 | oid *name, size_t *length, | |
1134 | struct in_addr *area_id, | |
1135 | struct in_addr *range_net, | |
1136 | int exact) | |
1137 | { | |
1138 | oid *offset; | |
1139 | int offsetlen; | |
1140 | int len; | |
1141 | struct ospf *ospf; | |
1142 | struct ospf_area *area; | |
1143 | struct ospf_area_range *range; | |
1144 | struct prefix_ipv4 p; | |
1145 | p.family = AF_INET; | |
1146 | p.prefixlen = IPV4_MAX_BITLEN; | |
1147 | ||
b5a8894d | 1148 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1149 | |
1150 | if (exact) { | |
1151 | /* Area ID + Range Network. */ | |
1152 | if (v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE != *length) | |
1153 | return NULL; | |
1154 | ||
1155 | /* Set OID offset for Area ID. */ | |
1156 | offset = name + v->namelen; | |
1157 | ||
1158 | /* Lookup area first. */ | |
1159 | oid2in_addr(offset, IN_ADDR_SIZE, area_id); | |
1160 | ||
1161 | area = ospf_area_lookup_by_area_id(ospf, *area_id); | |
1162 | if (!area) | |
1163 | return NULL; | |
1164 | ||
1165 | offset += IN_ADDR_SIZE; | |
1166 | ||
1167 | /* Lookup area range. */ | |
1168 | oid2in_addr(offset, IN_ADDR_SIZE, range_net); | |
1169 | p.prefix = *range_net; | |
1170 | ||
1171 | return ospf_area_range_lookup(area, &p); | |
1172 | } else { | |
1173 | /* Set OID offset for Area ID. */ | |
1174 | offset = name + v->namelen; | |
1175 | offsetlen = *length - v->namelen; | |
1176 | ||
1177 | len = offsetlen; | |
1178 | if (len > (int)IN_ADDR_SIZE) | |
1179 | len = IN_ADDR_SIZE; | |
1180 | ||
1181 | oid2in_addr(offset, len, area_id); | |
1182 | ||
1183 | /* First we search area. */ | |
1184 | if (len == IN_ADDR_SIZE) | |
1185 | area = ospf_area_lookup_by_area_id(ospf, *area_id); | |
1186 | else | |
1187 | area = ospf_area_lookup_next(ospf, area_id, | |
1188 | len == 0 ? 1 : 0); | |
1189 | ||
1190 | if (area == NULL) | |
1191 | return NULL; | |
1192 | ||
1193 | do { | |
1194 | offset += IN_ADDR_SIZE; | |
1195 | offsetlen -= IN_ADDR_SIZE; | |
1196 | len = offsetlen; | |
1197 | ||
1198 | if (len < 0) | |
1199 | len = 0; | |
1200 | if (len > (int)IN_ADDR_SIZE) | |
1201 | len = IN_ADDR_SIZE; | |
1202 | ||
1203 | oid2in_addr(offset, len, range_net); | |
1204 | ||
1205 | range = ospf_area_range_lookup_next(area, range_net, | |
1206 | len == 0 ? 1 : 0); | |
1207 | ||
1208 | if (range) { | |
1209 | /* Fill in length. */ | |
1210 | *length = v->namelen + IN_ADDR_SIZE | |
1211 | + IN_ADDR_SIZE; | |
1212 | ||
1213 | /* Fill in value. */ | |
1214 | offset = name + v->namelen; | |
1215 | oid_copy_addr(offset, area_id, IN_ADDR_SIZE); | |
1216 | offset += IN_ADDR_SIZE; | |
1217 | oid_copy_addr(offset, range_net, IN_ADDR_SIZE); | |
1218 | ||
1219 | return range; | |
1220 | } | |
1221 | } while ((area = ospf_area_lookup_next(ospf, area_id, 0)) | |
1222 | != NULL); | |
718e3744 | 1223 | } |
d62a17ae | 1224 | return NULL; |
718e3744 | 1225 | } |
1226 | ||
d62a17ae | 1227 | static u_char *ospfAreaRangeEntry(struct variable *v, oid *name, size_t *length, |
1228 | int exact, size_t *var_len, | |
1229 | WriteMethod **write_method) | |
718e3744 | 1230 | { |
d62a17ae | 1231 | struct ospf_area_range *range; |
1232 | struct in_addr area_id; | |
1233 | struct in_addr range_net; | |
1234 | struct in_addr mask; | |
1235 | struct ospf *ospf; | |
1236 | ||
1237 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1238 | == MATCH_FAILED) | |
1239 | return NULL; | |
1240 | ||
1241 | /* Check OSPF instance. */ | |
b5a8894d | 1242 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1243 | if (ospf == NULL) |
1244 | return NULL; | |
1245 | ||
1246 | memset(&area_id, 0, IN_ADDR_SIZE); | |
1247 | memset(&range_net, 0, IN_ADDR_SIZE); | |
1248 | ||
1249 | range = ospfAreaRangeLookup(v, name, length, &area_id, &range_net, | |
1250 | exact); | |
1251 | if (!range) | |
1252 | return NULL; | |
1253 | ||
1254 | /* Convert prefixlen to network mask format. */ | |
1255 | masklen2ip(range->subst_masklen, &mask); | |
1256 | ||
1257 | /* Return the current value of the variable */ | |
1258 | switch (v->magic) { | |
1259 | case OSPFAREARANGEAREAID: /* 1 */ | |
1260 | return SNMP_IPADDRESS(area_id); | |
1261 | break; | |
1262 | case OSPFAREARANGENET: /* 2 */ | |
1263 | return SNMP_IPADDRESS(range_net); | |
1264 | break; | |
1265 | case OSPFAREARANGEMASK: /* 3 */ | |
1266 | return SNMP_IPADDRESS(mask); | |
1267 | break; | |
1268 | case OSPFAREARANGESTATUS: /* 4 */ | |
1269 | return SNMP_INTEGER(SNMP_VALID); | |
1270 | break; | |
1271 | case OSPFAREARANGEEFFECT: /* 5 */ | |
1272 | /* $FRR indent$ */ | |
1273 | /* clang-format off */ | |
718e3744 | 1274 | #define OSPF_advertiseMatching 1 |
1275 | #define OSPF_doNotAdvertiseMatching 2 | |
d62a17ae | 1276 | return SNMP_INTEGER(OSPF_advertiseMatching); |
1277 | break; | |
1278 | default: | |
1279 | return NULL; | |
1280 | break; | |
1281 | } | |
1282 | return NULL; | |
718e3744 | 1283 | } |
1284 | ||
d62a17ae | 1285 | static struct ospf_nbr_nbma *ospfHostLookup(struct variable *v, oid *name, |
1286 | size_t *length, | |
1287 | struct in_addr *addr, int exact) | |
718e3744 | 1288 | { |
d62a17ae | 1289 | int len; |
1290 | struct ospf_nbr_nbma *nbr_nbma; | |
1291 | struct ospf *ospf; | |
718e3744 | 1292 | |
b5a8894d | 1293 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1294 | if (ospf == NULL) |
1295 | return NULL; | |
718e3744 | 1296 | |
d62a17ae | 1297 | if (exact) { |
1298 | /* INDEX { ospfHostIpAddress, ospfHostTOS } */ | |
1299 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
1300 | return NULL; | |
718e3744 | 1301 | |
d62a17ae | 1302 | /* Check ospfHostTOS. */ |
1303 | if (name[*length - 1] != 0) | |
1304 | return NULL; | |
718e3744 | 1305 | |
d62a17ae | 1306 | oid2in_addr(name + v->namelen, IN_ADDR_SIZE, addr); |
718e3744 | 1307 | |
d62a17ae | 1308 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, *addr); |
718e3744 | 1309 | |
d62a17ae | 1310 | return nbr_nbma; |
1311 | } else { | |
1312 | len = *length - v->namelen; | |
1313 | if (len > 4) | |
1314 | len = 4; | |
1315 | ||
1316 | oid2in_addr(name + v->namelen, len, addr); | |
1317 | ||
1318 | nbr_nbma = | |
1319 | ospf_nbr_nbma_lookup_next(ospf, addr, len == 0 ? 1 : 0); | |
718e3744 | 1320 | |
d62a17ae | 1321 | if (nbr_nbma == NULL) |
1322 | return NULL; | |
718e3744 | 1323 | |
d62a17ae | 1324 | oid_copy_addr(name + v->namelen, addr, IN_ADDR_SIZE); |
718e3744 | 1325 | |
d62a17ae | 1326 | /* Set TOS 0. */ |
1327 | name[v->namelen + IN_ADDR_SIZE] = 0; | |
718e3744 | 1328 | |
d62a17ae | 1329 | *length = v->namelen + IN_ADDR_SIZE + 1; |
1330 | ||
1331 | return nbr_nbma; | |
1332 | } | |
1333 | return NULL; | |
718e3744 | 1334 | } |
1335 | ||
d62a17ae | 1336 | static u_char *ospfHostEntry(struct variable *v, oid *name, size_t *length, |
1337 | int exact, size_t *var_len, | |
1338 | WriteMethod **write_method) | |
718e3744 | 1339 | { |
d62a17ae | 1340 | struct ospf_nbr_nbma *nbr_nbma; |
1341 | struct ospf_interface *oi; | |
1342 | struct in_addr addr; | |
1343 | struct ospf *ospf; | |
1344 | ||
1345 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1346 | == MATCH_FAILED) | |
1347 | return NULL; | |
1348 | ||
1349 | /* Check OSPF instance. */ | |
b5a8894d | 1350 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1351 | if (ospf == NULL) |
1352 | return NULL; | |
1353 | ||
1354 | memset(&addr, 0, sizeof(struct in_addr)); | |
1355 | ||
1356 | nbr_nbma = ospfHostLookup(v, name, length, &addr, exact); | |
1357 | if (nbr_nbma == NULL) | |
1358 | return NULL; | |
1359 | ||
1360 | oi = nbr_nbma->oi; | |
1361 | ||
1362 | /* Return the current value of the variable */ | |
1363 | switch (v->magic) { | |
1364 | case OSPFHOSTIPADDRESS: /* 1 */ | |
1365 | return SNMP_IPADDRESS(nbr_nbma->addr); | |
1366 | break; | |
1367 | case OSPFHOSTTOS: /* 2 */ | |
1368 | return SNMP_INTEGER(0); | |
1369 | break; | |
1370 | case OSPFHOSTMETRIC: /* 3 */ | |
1371 | if (oi) | |
1372 | return SNMP_INTEGER(oi->output_cost); | |
1373 | else | |
1374 | return SNMP_INTEGER(1); | |
1375 | break; | |
1376 | case OSPFHOSTSTATUS: /* 4 */ | |
1377 | return SNMP_INTEGER(SNMP_VALID); | |
1378 | break; | |
1379 | case OSPFHOSTAREAID: /* 5 */ | |
1380 | if (oi && oi->area) | |
1381 | return SNMP_IPADDRESS(oi->area->area_id); | |
1382 | else | |
1383 | return SNMP_IPADDRESS(ospf_empty_addr); | |
1384 | break; | |
1385 | default: | |
1386 | return NULL; | |
1387 | break; | |
1388 | } | |
1389 | return NULL; | |
718e3744 | 1390 | } |
6b0655a2 | 1391 | |
1c6f50bf | 1392 | static struct list *ospf_snmp_iflist; |
718e3744 | 1393 | |
d62a17ae | 1394 | struct ospf_snmp_if { |
1395 | struct in_addr addr; | |
1396 | ifindex_t ifindex; | |
1397 | struct interface *ifp; | |
718e3744 | 1398 | }; |
1399 | ||
d62a17ae | 1400 | static struct ospf_snmp_if *ospf_snmp_if_new(void) |
718e3744 | 1401 | { |
d62a17ae | 1402 | return XCALLOC(MTYPE_TMP, sizeof(struct ospf_snmp_if)); |
718e3744 | 1403 | } |
1404 | ||
d62a17ae | 1405 | static void ospf_snmp_if_free(struct ospf_snmp_if *osif) |
718e3744 | 1406 | { |
d62a17ae | 1407 | XFREE(MTYPE_TMP, osif); |
718e3744 | 1408 | } |
1409 | ||
d62a17ae | 1410 | static int ospf_snmp_if_delete(struct interface *ifp) |
718e3744 | 1411 | { |
d62a17ae | 1412 | struct listnode *node, *nnode; |
1413 | struct ospf_snmp_if *osif; | |
1414 | ||
1415 | for (ALL_LIST_ELEMENTS(ospf_snmp_iflist, node, nnode, osif)) { | |
1416 | if (osif->ifp == ifp) { | |
1417 | list_delete_node(ospf_snmp_iflist, node); | |
1418 | ospf_snmp_if_free(osif); | |
1419 | break; | |
1420 | } | |
718e3744 | 1421 | } |
d62a17ae | 1422 | return 0; |
718e3744 | 1423 | } |
1424 | ||
d62a17ae | 1425 | static int ospf_snmp_if_update(struct interface *ifp) |
718e3744 | 1426 | { |
d62a17ae | 1427 | struct listnode *node; |
1428 | struct listnode *pn; | |
1429 | struct connected *ifc; | |
1430 | struct prefix *p; | |
1431 | struct ospf_snmp_if *osif; | |
1432 | struct in_addr *addr; | |
1433 | ifindex_t ifindex; | |
1434 | ||
1435 | ospf_snmp_if_delete(ifp); | |
1436 | ||
1437 | p = NULL; | |
1438 | addr = NULL; | |
1439 | ifindex = 0; | |
1440 | ||
1441 | /* Lookup first IPv4 address entry. */ | |
1442 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { | |
1443 | p = CONNECTED_ID(ifc); | |
1444 | ||
1445 | if (p->family == AF_INET) { | |
1446 | addr = &p->u.prefix4; | |
1447 | break; | |
1448 | } | |
718e3744 | 1449 | } |
d62a17ae | 1450 | if (!addr) |
1451 | ifindex = ifp->ifindex; | |
1452 | ||
1453 | /* Add interface to the list. */ | |
1454 | pn = NULL; | |
1455 | for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist, node, osif)) { | |
1456 | if (addr) { | |
1457 | /* Usual interfaces --> Sort them based on interface | |
1458 | * IPv4 addresses */ | |
1459 | if (ntohl(osif->addr.s_addr) > ntohl(addr->s_addr)) | |
1460 | break; | |
1461 | } else { | |
1462 | /* Unnumbered interfaces --> Sort them based on | |
1463 | * interface indexes */ | |
1464 | if (osif->addr.s_addr != 0 || osif->ifindex > ifindex) | |
1465 | break; | |
1466 | } | |
1467 | pn = node; | |
718e3744 | 1468 | } |
d62a17ae | 1469 | |
1470 | osif = ospf_snmp_if_new(); | |
1471 | if (addr) /* Usual interface */ | |
718e3744 | 1472 | { |
d62a17ae | 1473 | osif->addr = *addr; |
1474 | ||
1475 | /* This field is used for storing ospfAddressLessIf OID value, | |
1476 | * conform to RFC1850 OSPF-MIB specification, it must be 0 for | |
1477 | * usual interface */ | |
1478 | osif->ifindex = 0; | |
1479 | } else /* Unnumbered interface */ | |
1480 | osif->ifindex = ifindex; | |
1481 | osif->ifp = ifp; | |
1482 | ||
1483 | listnode_add_after(ospf_snmp_iflist, pn, osif); | |
1484 | return 0; | |
718e3744 | 1485 | } |
1486 | ||
d62a17ae | 1487 | static int ospf_snmp_is_if_have_addr(struct interface *ifp) |
77df1f78 | 1488 | { |
d62a17ae | 1489 | struct listnode *nn; |
1490 | struct connected *ifc; | |
1491 | ||
1492 | /* Is this interface having any connected IPv4 address ? */ | |
1493 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, nn, ifc)) { | |
1494 | if (CONNECTED_PREFIX(ifc)->family == AF_INET) | |
1495 | return 1; | |
1496 | } | |
1497 | ||
1498 | return 0; | |
77df1f78 | 1499 | } |
1500 | ||
d62a17ae | 1501 | static struct ospf_interface *ospf_snmp_if_lookup(struct in_addr *ifaddr, |
1502 | ifindex_t *ifindex) | |
718e3744 | 1503 | { |
d62a17ae | 1504 | struct listnode *node; |
1505 | struct ospf_snmp_if *osif; | |
1506 | struct ospf_interface *oi = NULL; | |
b5a8894d | 1507 | struct ospf *ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1508 | |
1509 | for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist, node, osif)) { | |
1510 | if (ifaddr->s_addr) { | |
1511 | if (IPV4_ADDR_SAME(&osif->addr, ifaddr)) | |
1512 | oi = ospf_if_lookup_by_local_addr( | |
1513 | ospf, osif->ifp, *ifaddr); | |
1514 | } else { | |
1515 | if (osif->ifindex == *ifindex) | |
1516 | oi = ospf_if_lookup_by_local_addr( | |
1517 | ospf, osif->ifp, *ifaddr); | |
1518 | } | |
1519 | } | |
1520 | return oi; | |
718e3744 | 1521 | } |
1522 | ||
d62a17ae | 1523 | static struct ospf_interface *ospf_snmp_if_lookup_next(struct in_addr *ifaddr, |
1524 | ifindex_t *ifindex, | |
1525 | int ifaddr_next, | |
1526 | ifindex_t ifindex_next) | |
718e3744 | 1527 | { |
d62a17ae | 1528 | struct ospf_snmp_if *osif; |
1529 | struct listnode *nn; | |
b5a8894d | 1530 | struct ospf *ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1531 | struct ospf_interface *oi = NULL; |
1532 | ||
1533 | if (ospf == NULL) | |
1534 | return NULL; | |
1535 | ||
1536 | /* No instance is specified --> Return the first OSPF interface */ | |
1537 | if (ifaddr_next) { | |
1538 | for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist, nn, osif)) { | |
1539 | osif = listgetdata(nn); | |
1540 | *ifaddr = osif->addr; | |
1541 | *ifindex = osif->ifindex; | |
1542 | /* Because no instance is specified, we don't care about | |
1543 | * the kind of | |
1544 | * interface (usual or unnumbered), just returning the | |
1545 | * first valid | |
1546 | * OSPF interface */ | |
1547 | oi = ospf_if_lookup_by_local_addr(ospf, osif->ifp, | |
1548 | *ifaddr); | |
1549 | if (oi) | |
1550 | return (oi); | |
1551 | } | |
1552 | return NULL; | |
718e3744 | 1553 | } |
d62a17ae | 1554 | |
1555 | /* An instance is specified --> Return the next OSPF interface */ | |
1556 | for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist, nn, osif)) { | |
1557 | /* Usual interface */ | |
1558 | if (ifaddr->s_addr) { | |
1559 | /* The interface must have valid AF_INET connected | |
1560 | * address */ | |
1561 | /* it must have lager IPv4 address value than the lookup | |
1562 | * entry */ | |
1563 | if ((ospf_snmp_is_if_have_addr(osif->ifp)) | |
1564 | && (ntohl(osif->addr.s_addr) | |
1565 | > ntohl(ifaddr->s_addr))) { | |
1566 | *ifaddr = osif->addr; | |
1567 | *ifindex = osif->ifindex; | |
1568 | ||
1569 | /* and it must be an OSPF interface */ | |
1570 | oi = ospf_if_lookup_by_local_addr( | |
1571 | ospf, osif->ifp, *ifaddr); | |
1572 | if (oi) | |
1573 | return oi; | |
1574 | } | |
1575 | } | |
1576 | /* Unnumbered interface */ | |
1577 | else | |
1578 | /* The interface must NOT have valid AF_INET connected | |
1579 | address */ | |
1580 | /* it must have lager interface index than the lookup | |
1581 | entry */ | |
1582 | if ((!ospf_snmp_is_if_have_addr(osif->ifp)) | |
1583 | && (osif->ifindex > *ifindex)) { | |
1584 | *ifaddr = osif->addr; | |
1585 | *ifindex = osif->ifindex; | |
1586 | ||
1587 | /* and it must be an OSPF interface */ | |
1588 | oi = ospf_if_lookup_by_local_addr(ospf, osif->ifp, | |
1589 | *ifaddr); | |
1590 | if (oi) | |
1591 | return oi; | |
1592 | } | |
0be8dfb2 | 1593 | } |
d62a17ae | 1594 | return NULL; |
718e3744 | 1595 | } |
1596 | ||
d62a17ae | 1597 | static int ospf_snmp_iftype(struct interface *ifp) |
718e3744 | 1598 | { |
1599 | #define ospf_snmp_iftype_broadcast 1 | |
1600 | #define ospf_snmp_iftype_nbma 2 | |
1601 | #define ospf_snmp_iftype_pointToPoint 3 | |
1602 | #define ospf_snmp_iftype_pointToMultipoint 5 | |
d62a17ae | 1603 | if (if_is_broadcast(ifp)) |
1604 | return ospf_snmp_iftype_broadcast; | |
1605 | if (if_is_pointopoint(ifp)) | |
1606 | return ospf_snmp_iftype_pointToPoint; | |
1607 | return ospf_snmp_iftype_broadcast; | |
718e3744 | 1608 | } |
1609 | ||
d62a17ae | 1610 | static struct ospf_interface *ospfIfLookup(struct variable *v, oid *name, |
1611 | size_t *length, | |
1612 | struct in_addr *ifaddr, | |
1613 | ifindex_t *ifindex, int exact) | |
718e3744 | 1614 | { |
d62a17ae | 1615 | unsigned int len; |
1616 | int ifaddr_next = 0; | |
1617 | ifindex_t ifindex_next = 0; | |
1618 | struct ospf_interface *oi; | |
1619 | oid *offset; | |
1620 | ||
1621 | if (exact) { | |
1622 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
1623 | return NULL; | |
1624 | ||
1625 | oid2in_addr(name + v->namelen, IN_ADDR_SIZE, ifaddr); | |
1626 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1627 | ||
1628 | return ospf_snmp_if_lookup(ifaddr, ifindex); | |
1629 | } else { | |
1630 | len = *length - v->namelen; | |
1631 | if (len >= IN_ADDR_SIZE) | |
1632 | len = IN_ADDR_SIZE; | |
1633 | if (len <= 0) | |
1634 | ifaddr_next = 1; | |
1635 | ||
1636 | oid2in_addr(name + v->namelen, len, ifaddr); | |
1637 | ||
1638 | len = *length - v->namelen - IN_ADDR_SIZE; | |
1639 | if (len >= 1) | |
1640 | len = 1; | |
1641 | else | |
1642 | ifindex_next = 1; | |
1643 | ||
1644 | if (len == 1) | |
1645 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1646 | ||
1647 | oi = ospf_snmp_if_lookup_next(ifaddr, ifindex, ifaddr_next, | |
1648 | ifindex_next); | |
1649 | if (oi) { | |
1650 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
1651 | offset = name + v->namelen; | |
1652 | oid_copy_addr(offset, ifaddr, IN_ADDR_SIZE); | |
1653 | offset += IN_ADDR_SIZE; | |
1654 | *offset = *ifindex; | |
1655 | return oi; | |
1656 | } | |
718e3744 | 1657 | } |
d62a17ae | 1658 | return NULL; |
718e3744 | 1659 | } |
1660 | ||
d62a17ae | 1661 | static u_char *ospfIfEntry(struct variable *v, oid *name, size_t *length, |
1662 | int exact, size_t *var_len, | |
1663 | WriteMethod **write_method) | |
718e3744 | 1664 | { |
d62a17ae | 1665 | ifindex_t ifindex; |
1666 | struct in_addr ifaddr; | |
1667 | struct ospf_interface *oi; | |
1668 | struct ospf *ospf; | |
1669 | ||
1670 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1671 | == MATCH_FAILED) | |
1672 | return NULL; | |
1673 | ||
1674 | ifindex = 0; | |
1675 | memset(&ifaddr, 0, sizeof(struct in_addr)); | |
1676 | ||
1677 | /* Check OSPF instance. */ | |
b5a8894d | 1678 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1679 | if (ospf == NULL) |
1680 | return NULL; | |
1681 | ||
1682 | oi = ospfIfLookup(v, name, length, &ifaddr, &ifindex, exact); | |
1683 | if (oi == NULL) | |
1684 | return NULL; | |
1685 | ||
1686 | /* Return the current value of the variable */ | |
1687 | switch (v->magic) { | |
1688 | case OSPFIFIPADDRESS: /* 1 */ | |
1689 | return SNMP_IPADDRESS(ifaddr); | |
1690 | break; | |
1691 | case OSPFADDRESSLESSIF: /* 2 */ | |
1692 | return SNMP_INTEGER(ifindex); | |
1693 | break; | |
1694 | case OSPFIFAREAID: /* 3 */ | |
1695 | if (oi->area) | |
1696 | return SNMP_IPADDRESS(oi->area->area_id); | |
1697 | else | |
1698 | return SNMP_IPADDRESS(ospf_empty_addr); | |
1699 | break; | |
1700 | case OSPFIFTYPE: /* 4 */ | |
1701 | return SNMP_INTEGER(ospf_snmp_iftype(oi->ifp)); | |
1702 | break; | |
1703 | case OSPFIFADMINSTAT: /* 5 */ | |
1704 | if (oi) | |
1705 | return SNMP_INTEGER(OSPF_STATUS_ENABLED); | |
1706 | else | |
1707 | return SNMP_INTEGER(OSPF_STATUS_DISABLED); | |
1708 | break; | |
1709 | case OSPFIFRTRPRIORITY: /* 6 */ | |
1710 | return SNMP_INTEGER(PRIORITY(oi)); | |
1711 | break; | |
1712 | case OSPFIFTRANSITDELAY: /* 7 */ | |
1713 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, transmit_delay)); | |
1714 | break; | |
1715 | case OSPFIFRETRANSINTERVAL: /* 8 */ | |
1716 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, retransmit_interval)); | |
1717 | break; | |
1718 | case OSPFIFHELLOINTERVAL: /* 9 */ | |
1719 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, v_hello)); | |
1720 | break; | |
1721 | case OSPFIFRTRDEADINTERVAL: /* 10 */ | |
1722 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, v_wait)); | |
1723 | break; | |
1724 | case OSPFIFPOLLINTERVAL: /* 11 */ | |
1725 | return SNMP_INTEGER(OSPF_POLL_INTERVAL_DEFAULT); | |
1726 | break; | |
1727 | case OSPFIFSTATE: /* 12 */ | |
1728 | return SNMP_INTEGER(ISM_SNMP(oi->state)); | |
1729 | break; | |
1730 | case OSPFIFDESIGNATEDROUTER: /* 13 */ | |
1731 | return SNMP_IPADDRESS(DR(oi)); | |
1732 | break; | |
1733 | case OSPFIFBACKUPDESIGNATEDROUTER: /* 14 */ | |
1734 | return SNMP_IPADDRESS(BDR(oi)); | |
1735 | break; | |
1736 | case OSPFIFEVENTS: /* 15 */ | |
1737 | return SNMP_INTEGER(oi->state_change); | |
1738 | break; | |
1739 | case OSPFIFAUTHKEY: /* 16 */ | |
1740 | *var_len = 0; | |
1741 | return (u_char *)OSPF_IF_PARAM(oi, auth_simple); | |
1742 | break; | |
1743 | case OSPFIFSTATUS: /* 17 */ | |
1744 | return SNMP_INTEGER(SNMP_VALID); | |
1745 | break; | |
1746 | case OSPFIFMULTICASTFORWARDING: /* 18 */ | |
1747 | /* $FRR indent$ */ | |
1748 | /* clang-format off */ | |
718e3744 | 1749 | #define ospf_snmp_multiforward_blocked 1 |
1750 | #define ospf_snmp_multiforward_multicast 2 | |
1751 | #define ospf_snmp_multiforward_unicast 3 | |
d62a17ae | 1752 | return SNMP_INTEGER(ospf_snmp_multiforward_blocked); |
1753 | break; | |
1754 | case OSPFIFDEMAND: /* 19 */ | |
1755 | return SNMP_INTEGER(SNMP_FALSE); | |
1756 | break; | |
1757 | case OSPFIFAUTHTYPE: /* 20 */ | |
1758 | if (oi->area) | |
1759 | return SNMP_INTEGER(oi->area->auth_type); | |
1760 | else | |
1761 | return SNMP_INTEGER(0); | |
1762 | break; | |
1763 | default: | |
1764 | return NULL; | |
1765 | break; | |
1766 | } | |
1767 | return NULL; | |
718e3744 | 1768 | } |
1769 | ||
1770 | #define OSPF_SNMP_METRIC_VALUE 1 | |
1771 | ||
d62a17ae | 1772 | static struct ospf_interface *ospfIfMetricLookup(struct variable *v, oid *name, |
1773 | size_t *length, | |
1774 | struct in_addr *ifaddr, | |
1775 | ifindex_t *ifindex, int exact) | |
718e3744 | 1776 | { |
d62a17ae | 1777 | unsigned int len; |
1778 | int ifaddr_next = 0; | |
1779 | ifindex_t ifindex_next = 0; | |
1780 | struct ospf_interface *oi; | |
1781 | oid *offset; | |
1782 | int metric; | |
1783 | ||
1784 | if (exact) { | |
1785 | if (*length != v->namelen + IN_ADDR_SIZE + 1 + 1) | |
1786 | return NULL; | |
1787 | ||
1788 | oid2in_addr(name + v->namelen, IN_ADDR_SIZE, ifaddr); | |
1789 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1790 | metric = name[v->namelen + IN_ADDR_SIZE + 1]; | |
1791 | ||
1792 | if (metric != OSPF_SNMP_METRIC_VALUE) | |
1793 | return NULL; | |
1794 | ||
1795 | return ospf_snmp_if_lookup(ifaddr, ifindex); | |
1796 | } else { | |
1797 | len = *length - v->namelen; | |
1798 | if (len >= IN_ADDR_SIZE) | |
1799 | len = IN_ADDR_SIZE; | |
1800 | else | |
1801 | ifaddr_next = 1; | |
1802 | ||
1803 | oid2in_addr(name + v->namelen, len, ifaddr); | |
1804 | ||
1805 | len = *length - v->namelen - IN_ADDR_SIZE; | |
1806 | if (len >= 1) | |
1807 | len = 1; | |
1808 | else | |
1809 | ifindex_next = 1; | |
1810 | ||
1811 | if (len == 1) | |
1812 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1813 | ||
1814 | oi = ospf_snmp_if_lookup_next(ifaddr, ifindex, ifaddr_next, | |
1815 | ifindex_next); | |
1816 | if (oi) { | |
1817 | *length = v->namelen + IN_ADDR_SIZE + 1 + 1; | |
1818 | offset = name + v->namelen; | |
1819 | oid_copy_addr(offset, ifaddr, IN_ADDR_SIZE); | |
1820 | offset += IN_ADDR_SIZE; | |
1821 | *offset = *ifindex; | |
1822 | offset++; | |
1823 | *offset = OSPF_SNMP_METRIC_VALUE; | |
1824 | return oi; | |
1825 | } | |
718e3744 | 1826 | } |
d62a17ae | 1827 | return NULL; |
718e3744 | 1828 | } |
1829 | ||
d62a17ae | 1830 | static u_char *ospfIfMetricEntry(struct variable *v, oid *name, size_t *length, |
1831 | int exact, size_t *var_len, | |
1832 | WriteMethod **write_method) | |
718e3744 | 1833 | { |
d62a17ae | 1834 | /* Currently we support metric 1 only. */ |
1835 | ifindex_t ifindex; | |
1836 | struct in_addr ifaddr; | |
1837 | struct ospf_interface *oi; | |
1838 | struct ospf *ospf; | |
1839 | ||
1840 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1841 | == MATCH_FAILED) | |
1842 | return NULL; | |
1843 | ||
1844 | ifindex = 0; | |
1845 | memset(&ifaddr, 0, sizeof(struct in_addr)); | |
1846 | ||
1847 | /* Check OSPF instance. */ | |
b5a8894d | 1848 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1849 | if (ospf == NULL) |
1850 | return NULL; | |
1851 | ||
1852 | oi = ospfIfMetricLookup(v, name, length, &ifaddr, &ifindex, exact); | |
1853 | if (oi == NULL) | |
1854 | return NULL; | |
1855 | ||
1856 | /* Return the current value of the variable */ | |
1857 | switch (v->magic) { | |
1858 | case OSPFIFMETRICIPADDRESS: | |
1859 | return SNMP_IPADDRESS(ifaddr); | |
1860 | break; | |
1861 | case OSPFIFMETRICADDRESSLESSIF: | |
1862 | return SNMP_INTEGER(ifindex); | |
1863 | break; | |
1864 | case OSPFIFMETRICTOS: | |
1865 | return SNMP_INTEGER(0); | |
1866 | break; | |
1867 | case OSPFIFMETRICVALUE: | |
1868 | return SNMP_INTEGER(OSPF_SNMP_METRIC_VALUE); | |
1869 | break; | |
1870 | case OSPFIFMETRICSTATUS: | |
1871 | return SNMP_INTEGER(1); | |
1872 | break; | |
1873 | default: | |
1874 | return NULL; | |
1875 | break; | |
1876 | } | |
1877 | return NULL; | |
718e3744 | 1878 | } |
6b0655a2 | 1879 | |
1c6f50bf | 1880 | static struct route_table *ospf_snmp_vl_table; |
718e3744 | 1881 | |
d62a17ae | 1882 | static int ospf_snmp_vl_add(struct ospf_vl_data *vl_data) |
718e3744 | 1883 | { |
d62a17ae | 1884 | struct prefix_ls lp; |
1885 | struct route_node *rn; | |
718e3744 | 1886 | |
d62a17ae | 1887 | memset(&lp, 0, sizeof(struct prefix_ls)); |
1888 | lp.family = 0; | |
1889 | lp.prefixlen = 64; | |
1890 | lp.id = vl_data->vl_area_id; | |
1891 | lp.adv_router = vl_data->vl_peer; | |
718e3744 | 1892 | |
d62a17ae | 1893 | rn = route_node_get(ospf_snmp_vl_table, (struct prefix *)&lp); |
1894 | if (rn->info) | |
1895 | route_unlock_node(rn); | |
14fcc0e6 | 1896 | |
d62a17ae | 1897 | rn->info = vl_data; |
1898 | return 0; | |
718e3744 | 1899 | } |
1900 | ||
d62a17ae | 1901 | static int ospf_snmp_vl_delete(struct ospf_vl_data *vl_data) |
718e3744 | 1902 | { |
d62a17ae | 1903 | struct prefix_ls lp; |
1904 | struct route_node *rn; | |
1905 | ||
1906 | memset(&lp, 0, sizeof(struct prefix_ls)); | |
1907 | lp.family = 0; | |
1908 | lp.prefixlen = 64; | |
1909 | lp.id = vl_data->vl_area_id; | |
1910 | lp.adv_router = vl_data->vl_peer; | |
1911 | ||
1912 | rn = route_node_lookup(ospf_snmp_vl_table, (struct prefix *)&lp); | |
1913 | if (!rn) | |
1914 | return 0; | |
1915 | rn->info = NULL; | |
1916 | route_unlock_node(rn); | |
1917 | route_unlock_node(rn); | |
1918 | return 0; | |
718e3744 | 1919 | } |
1920 | ||
d62a17ae | 1921 | static struct ospf_vl_data *ospf_snmp_vl_lookup(struct in_addr *area_id, |
1922 | struct in_addr *neighbor) | |
718e3744 | 1923 | { |
d62a17ae | 1924 | struct prefix_ls lp; |
1925 | struct route_node *rn; | |
1926 | struct ospf_vl_data *vl_data; | |
1927 | ||
1928 | memset(&lp, 0, sizeof(struct prefix_ls)); | |
1929 | lp.family = 0; | |
1930 | lp.prefixlen = 64; | |
1931 | lp.id = *area_id; | |
1932 | lp.adv_router = *neighbor; | |
1933 | ||
1934 | rn = route_node_lookup(ospf_snmp_vl_table, (struct prefix *)&lp); | |
1935 | if (rn) { | |
1936 | vl_data = rn->info; | |
1937 | route_unlock_node(rn); | |
1938 | return vl_data; | |
1939 | } | |
1940 | return NULL; | |
718e3744 | 1941 | } |
1942 | ||
d62a17ae | 1943 | static struct ospf_vl_data *ospf_snmp_vl_lookup_next(struct in_addr *area_id, |
1944 | struct in_addr *neighbor, | |
1945 | int first) | |
718e3744 | 1946 | { |
d62a17ae | 1947 | struct prefix_ls lp; |
1948 | struct route_node *rn; | |
1949 | struct ospf_vl_data *vl_data; | |
1950 | ||
1951 | memset(&lp, 0, sizeof(struct prefix_ls)); | |
1952 | lp.family = 0; | |
1953 | lp.prefixlen = 64; | |
1954 | lp.id = *area_id; | |
1955 | lp.adv_router = *neighbor; | |
1956 | ||
1957 | if (first) | |
1958 | rn = route_top(ospf_snmp_vl_table); | |
1959 | else { | |
1960 | rn = route_node_get(ospf_snmp_vl_table, (struct prefix *)&lp); | |
1961 | rn = route_next(rn); | |
1962 | } | |
718e3744 | 1963 | |
d62a17ae | 1964 | for (; rn; rn = route_next(rn)) |
1965 | if (rn->info) | |
1966 | break; | |
718e3744 | 1967 | |
d62a17ae | 1968 | if (rn && rn->info) { |
1969 | vl_data = rn->info; | |
1970 | *area_id = vl_data->vl_area_id; | |
1971 | *neighbor = vl_data->vl_peer; | |
1972 | route_unlock_node(rn); | |
1973 | return vl_data; | |
1974 | } | |
718e3744 | 1975 | return NULL; |
d62a17ae | 1976 | } |
718e3744 | 1977 | |
d62a17ae | 1978 | static struct ospf_vl_data * |
1979 | ospfVirtIfLookup(struct variable *v, oid *name, size_t *length, | |
1980 | struct in_addr *area_id, struct in_addr *neighbor, int exact) | |
1981 | { | |
1982 | int first; | |
1983 | unsigned int len; | |
1984 | struct ospf_vl_data *vl_data; | |
1985 | ||
1986 | if (exact) { | |
1987 | if (*length != v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
1988 | return NULL; | |
1989 | ||
1990 | oid2in_addr(name + v->namelen, IN_ADDR_SIZE, area_id); | |
1991 | oid2in_addr(name + v->namelen + IN_ADDR_SIZE, IN_ADDR_SIZE, | |
1992 | neighbor); | |
1993 | ||
1994 | return ospf_snmp_vl_lookup(area_id, neighbor); | |
1995 | } else { | |
1996 | first = 0; | |
1997 | ||
1998 | len = *length - v->namelen; | |
1999 | if (len <= 0) | |
2000 | first = 1; | |
2001 | if (len > IN_ADDR_SIZE) | |
2002 | len = IN_ADDR_SIZE; | |
2003 | oid2in_addr(name + v->namelen, len, area_id); | |
2004 | ||
2005 | len = *length - v->namelen - IN_ADDR_SIZE; | |
2006 | if (len > IN_ADDR_SIZE) | |
2007 | len = IN_ADDR_SIZE; | |
2008 | oid2in_addr(name + v->namelen + IN_ADDR_SIZE, len, neighbor); | |
2009 | ||
2010 | vl_data = ospf_snmp_vl_lookup_next(area_id, neighbor, first); | |
2011 | ||
2012 | if (vl_data) { | |
2013 | *length = v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE; | |
2014 | oid_copy_addr(name + v->namelen, area_id, IN_ADDR_SIZE); | |
2015 | oid_copy_addr(name + v->namelen + IN_ADDR_SIZE, | |
2016 | neighbor, IN_ADDR_SIZE); | |
2017 | return vl_data; | |
2018 | } | |
718e3744 | 2019 | } |
d62a17ae | 2020 | return NULL; |
718e3744 | 2021 | } |
2022 | ||
d62a17ae | 2023 | static u_char *ospfVirtIfEntry(struct variable *v, oid *name, size_t *length, |
2024 | int exact, size_t *var_len, | |
2025 | WriteMethod **write_method) | |
718e3744 | 2026 | { |
d62a17ae | 2027 | struct ospf_vl_data *vl_data; |
2028 | struct ospf_interface *oi; | |
2029 | struct in_addr area_id; | |
2030 | struct in_addr neighbor; | |
2031 | ||
2032 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
2033 | == MATCH_FAILED) | |
2034 | return NULL; | |
2035 | ||
2036 | memset(&area_id, 0, sizeof(struct in_addr)); | |
2037 | memset(&neighbor, 0, sizeof(struct in_addr)); | |
2038 | ||
2039 | vl_data = ospfVirtIfLookup(v, name, length, &area_id, &neighbor, exact); | |
2040 | if (!vl_data) | |
2041 | return NULL; | |
2042 | oi = vl_data->vl_oi; | |
2043 | if (!oi) | |
2044 | return NULL; | |
2045 | ||
2046 | /* Return the current value of the variable */ | |
2047 | switch (v->magic) { | |
2048 | case OSPFVIRTIFAREAID: | |
2049 | return SNMP_IPADDRESS(area_id); | |
2050 | break; | |
2051 | case OSPFVIRTIFNEIGHBOR: | |
2052 | return SNMP_IPADDRESS(neighbor); | |
2053 | break; | |
2054 | case OSPFVIRTIFTRANSITDELAY: | |
2055 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, transmit_delay)); | |
2056 | break; | |
2057 | case OSPFVIRTIFRETRANSINTERVAL: | |
2058 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, retransmit_interval)); | |
2059 | break; | |
2060 | case OSPFVIRTIFHELLOINTERVAL: | |
2061 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, v_hello)); | |
2062 | break; | |
2063 | case OSPFVIRTIFRTRDEADINTERVAL: | |
2064 | return SNMP_INTEGER(OSPF_IF_PARAM(oi, v_wait)); | |
2065 | break; | |
2066 | case OSPFVIRTIFSTATE: | |
2067 | return SNMP_INTEGER(oi->state); | |
2068 | break; | |
2069 | case OSPFVIRTIFEVENTS: | |
2070 | return SNMP_INTEGER(oi->state_change); | |
2071 | break; | |
2072 | case OSPFVIRTIFAUTHKEY: | |
2073 | *var_len = 0; | |
2074 | return (u_char *)OSPF_IF_PARAM(oi, auth_simple); | |
2075 | break; | |
2076 | case OSPFVIRTIFSTATUS: | |
2077 | return SNMP_INTEGER(SNMP_VALID); | |
2078 | break; | |
2079 | case OSPFVIRTIFAUTHTYPE: | |
2080 | if (oi->area) | |
2081 | return SNMP_INTEGER(oi->area->auth_type); | |
2082 | else | |
2083 | return SNMP_INTEGER(0); | |
2084 | break; | |
2085 | default: | |
2086 | return NULL; | |
2087 | break; | |
2088 | } | |
2089 | return NULL; | |
718e3744 | 2090 | } |
6b0655a2 | 2091 | |
d62a17ae | 2092 | static struct ospf_neighbor *ospf_snmp_nbr_lookup(struct ospf *ospf, |
2093 | struct in_addr *nbr_addr, | |
2094 | ifindex_t *ifindex) | |
718e3744 | 2095 | { |
d62a17ae | 2096 | struct listnode *node, *nnode; |
2097 | struct ospf_interface *oi; | |
2098 | struct ospf_neighbor *nbr; | |
2099 | struct route_node *rn; | |
2100 | ||
2101 | for (ALL_LIST_ELEMENTS(ospf->oiflist, node, nnode, oi)) { | |
2102 | for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) | |
9d303b37 | 2103 | if ((nbr = rn->info) != NULL && nbr != oi->nbr_self |
d62a17ae | 2104 | /* If EXACT match is needed, provide ALL entry found |
2105 | && nbr->state != NSM_Down | |
2106 | */ | |
2107 | && nbr->src.s_addr != 0) { | |
2108 | if (IPV4_ADDR_SAME(&nbr->src, nbr_addr)) { | |
2109 | route_unlock_node(rn); | |
2110 | return nbr; | |
2111 | } | |
2112 | } | |
2113 | } | |
2114 | return NULL; | |
718e3744 | 2115 | } |
2116 | ||
d62a17ae | 2117 | static struct ospf_neighbor *ospf_snmp_nbr_lookup_next(struct in_addr *nbr_addr, |
2118 | ifindex_t *ifindex, | |
2119 | int first) | |
718e3744 | 2120 | { |
d62a17ae | 2121 | struct listnode *nn; |
2122 | struct ospf_interface *oi; | |
2123 | struct ospf_neighbor *nbr; | |
2124 | struct route_node *rn; | |
2125 | struct ospf_neighbor *min = NULL; | |
2126 | struct ospf *ospf = ospf; | |
2127 | ||
b5a8894d | 2128 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 2129 | |
2130 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, nn, oi)) { | |
2131 | for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) | |
2132 | if ((nbr = rn->info) != NULL && nbr != oi->nbr_self | |
2133 | && nbr->state != NSM_Down && nbr->src.s_addr != 0) { | |
2134 | if (first) { | |
2135 | if (!min) | |
2136 | min = nbr; | |
2137 | else if (ntohl(nbr->src.s_addr) | |
2138 | < ntohl(min->src.s_addr)) | |
2139 | min = nbr; | |
2140 | } else if (ntohl(nbr->src.s_addr) | |
2141 | > ntohl(nbr_addr->s_addr)) { | |
2142 | if (!min) | |
2143 | min = nbr; | |
2144 | else if (ntohl(nbr->src.s_addr) | |
2145 | < ntohl(min->src.s_addr)) | |
2146 | min = nbr; | |
2147 | } | |
2148 | } | |
2149 | } | |
2150 | if (min) { | |
2151 | *nbr_addr = min->src; | |
2152 | *ifindex = 0; | |
2153 | return min; | |
2154 | } | |
2155 | return NULL; | |
718e3744 | 2156 | } |
2157 | ||
d62a17ae | 2158 | static struct ospf_neighbor *ospfNbrLookup(struct variable *v, oid *name, |
2159 | size_t *length, | |
2160 | struct in_addr *nbr_addr, | |
2161 | ifindex_t *ifindex, int exact) | |
718e3744 | 2162 | { |
d62a17ae | 2163 | unsigned int len; |
2164 | int first; | |
2165 | struct ospf_neighbor *nbr; | |
2166 | struct ospf *ospf; | |
020709f9 | 2167 | |
b5a8894d | 2168 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
718e3744 | 2169 | |
d62a17ae | 2170 | if (!ospf) |
2171 | return NULL; | |
1b639047 | 2172 | |
d62a17ae | 2173 | if (exact) { |
2174 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
2175 | return NULL; | |
718e3744 | 2176 | |
d62a17ae | 2177 | oid2in_addr(name + v->namelen, IN_ADDR_SIZE, nbr_addr); |
2178 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
718e3744 | 2179 | |
d62a17ae | 2180 | return ospf_snmp_nbr_lookup(ospf, nbr_addr, ifindex); |
2181 | } else { | |
2182 | first = 0; | |
2183 | len = *length - v->namelen; | |
718e3744 | 2184 | |
d62a17ae | 2185 | if (len <= 0) |
2186 | first = 1; | |
718e3744 | 2187 | |
d62a17ae | 2188 | if (len > IN_ADDR_SIZE) |
2189 | len = IN_ADDR_SIZE; | |
718e3744 | 2190 | |
d62a17ae | 2191 | oid2in_addr(name + v->namelen, len, nbr_addr); |
718e3744 | 2192 | |
d62a17ae | 2193 | len = *length - v->namelen - IN_ADDR_SIZE; |
2194 | if (len >= 1) | |
2195 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
718e3744 | 2196 | |
d62a17ae | 2197 | nbr = ospf_snmp_nbr_lookup_next(nbr_addr, ifindex, first); |
2198 | ||
2199 | if (nbr) { | |
2200 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
2201 | oid_copy_addr(name + v->namelen, nbr_addr, | |
2202 | IN_ADDR_SIZE); | |
2203 | name[v->namelen + IN_ADDR_SIZE] = *ifindex; | |
2204 | return nbr; | |
2205 | } | |
718e3744 | 2206 | } |
d62a17ae | 2207 | return NULL; |
718e3744 | 2208 | } |
2209 | ||
ad81f8cc AS |
2210 | /* map internal quagga neighbor states to official MIB values: |
2211 | ||
2212 | ospfNbrState OBJECT-TYPE | |
d62a17ae | 2213 | SYNTAX INTEGER { |
2214 | down (1), | |
2215 | attempt (2), | |
2216 | init (3), | |
2217 | twoWay (4), | |
2218 | exchangeStart (5), | |
2219 | exchange (6), | |
2220 | loading (7), | |
2221 | full (8) | |
2222 | } | |
ad81f8cc | 2223 | */ |
d62a17ae | 2224 | static int32_t ospf_snmp_neighbor_state(u_char nst) |
ad81f8cc | 2225 | { |
d62a17ae | 2226 | switch (nst) { |
2227 | case NSM_Attempt: | |
2228 | return 2; | |
2229 | case NSM_Init: | |
2230 | return 3; | |
2231 | case NSM_TwoWay: | |
2232 | return 4; | |
2233 | case NSM_ExStart: | |
2234 | return 5; | |
2235 | case NSM_Exchange: | |
2236 | return 6; | |
2237 | case NSM_Loading: | |
2238 | return 7; | |
2239 | case NSM_Full: | |
2240 | return 8; | |
2241 | default: | |
2242 | return 1; /* down */ | |
2243 | } | |
ad81f8cc AS |
2244 | } |
2245 | ||
d62a17ae | 2246 | static u_char *ospfNbrEntry(struct variable *v, oid *name, size_t *length, |
2247 | int exact, size_t *var_len, | |
2248 | WriteMethod **write_method) | |
718e3744 | 2249 | { |
d62a17ae | 2250 | struct in_addr nbr_addr; |
2251 | ifindex_t ifindex; | |
2252 | struct ospf_neighbor *nbr; | |
2253 | struct ospf_interface *oi; | |
2254 | ||
2255 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
2256 | == MATCH_FAILED) | |
2257 | return NULL; | |
2258 | ||
2259 | memset(&nbr_addr, 0, sizeof(struct in_addr)); | |
2260 | ifindex = 0; | |
2261 | ||
2262 | nbr = ospfNbrLookup(v, name, length, &nbr_addr, &ifindex, exact); | |
2263 | if (!nbr) | |
2264 | return NULL; | |
2265 | oi = nbr->oi; | |
2266 | if (!oi) | |
2267 | return NULL; | |
2268 | ||
2269 | /* Return the current value of the variable */ | |
2270 | switch (v->magic) { | |
2271 | case OSPFNBRIPADDR: | |
2272 | return SNMP_IPADDRESS(nbr_addr); | |
2273 | break; | |
2274 | case OSPFNBRADDRESSLESSINDEX: | |
2275 | return SNMP_INTEGER(ifindex); | |
2276 | break; | |
2277 | case OSPFNBRRTRID: | |
2278 | return SNMP_IPADDRESS(nbr->router_id); | |
2279 | break; | |
2280 | case OSPFNBROPTIONS: | |
2281 | return SNMP_INTEGER(oi->nbr_self->options); | |
2282 | break; | |
2283 | case OSPFNBRPRIORITY: | |
2284 | return SNMP_INTEGER(nbr->priority); | |
2285 | break; | |
2286 | case OSPFNBRSTATE: | |
2287 | return SNMP_INTEGER(ospf_snmp_neighbor_state(nbr->state)); | |
2288 | break; | |
2289 | case OSPFNBREVENTS: | |
2290 | return SNMP_INTEGER(nbr->state_change); | |
2291 | break; | |
2292 | case OSPFNBRLSRETRANSQLEN: | |
2293 | return SNMP_INTEGER(ospf_ls_retransmit_count(nbr)); | |
2294 | break; | |
2295 | case OSPFNBMANBRSTATUS: | |
2296 | return SNMP_INTEGER(SNMP_VALID); | |
2297 | break; | |
2298 | case OSPFNBMANBRPERMANENCE: | |
2299 | return SNMP_INTEGER(2); | |
2300 | break; | |
2301 | case OSPFNBRHELLOSUPPRESSED: | |
2302 | return SNMP_INTEGER(SNMP_FALSE); | |
2303 | break; | |
2304 | default: | |
2305 | return NULL; | |
2306 | break; | |
2307 | } | |
2308 | return NULL; | |
718e3744 | 2309 | } |
6b0655a2 | 2310 | |
d62a17ae | 2311 | static u_char *ospfVirtNbrEntry(struct variable *v, oid *name, size_t *length, |
2312 | int exact, size_t *var_len, | |
2313 | WriteMethod **write_method) | |
718e3744 | 2314 | { |
d62a17ae | 2315 | struct ospf_vl_data *vl_data; |
2316 | struct in_addr area_id; | |
2317 | struct in_addr neighbor; | |
2318 | struct ospf *ospf; | |
2319 | ||
2320 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
2321 | == MATCH_FAILED) | |
2322 | return NULL; | |
2323 | ||
2324 | memset(&area_id, 0, sizeof(struct in_addr)); | |
2325 | memset(&neighbor, 0, sizeof(struct in_addr)); | |
2326 | ||
2327 | /* Check OSPF instance. */ | |
b5a8894d | 2328 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 2329 | if (ospf == NULL) |
2330 | return NULL; | |
2331 | ||
2332 | vl_data = ospfVirtIfLookup(v, name, length, &area_id, &neighbor, exact); | |
2333 | if (!vl_data) | |
2334 | return NULL; | |
2335 | ||
2336 | /* Return the current value of the variable */ | |
2337 | switch (v->magic) { | |
2338 | case OSPFVIRTNBRAREA: | |
2339 | return (u_char *)NULL; | |
2340 | break; | |
2341 | case OSPFVIRTNBRRTRID: | |
2342 | return (u_char *)NULL; | |
2343 | break; | |
2344 | case OSPFVIRTNBRIPADDR: | |
2345 | return (u_char *)NULL; | |
2346 | break; | |
2347 | case OSPFVIRTNBROPTIONS: | |
2348 | return (u_char *)NULL; | |
2349 | break; | |
2350 | case OSPFVIRTNBRSTATE: | |
2351 | return (u_char *)NULL; | |
2352 | break; | |
2353 | case OSPFVIRTNBREVENTS: | |
2354 | return (u_char *)NULL; | |
2355 | break; | |
2356 | case OSPFVIRTNBRLSRETRANSQLEN: | |
2357 | return (u_char *)NULL; | |
2358 | break; | |
2359 | case OSPFVIRTNBRHELLOSUPPRESSED: | |
2360 | return (u_char *)NULL; | |
2361 | break; | |
2362 | default: | |
2363 | return NULL; | |
2364 | break; | |
2365 | } | |
2366 | return NULL; | |
718e3744 | 2367 | } |
6b0655a2 | 2368 | |
d62a17ae | 2369 | static struct ospf_lsa *ospfExtLsdbLookup(struct variable *v, oid *name, |
2370 | size_t *length, u_char *type, | |
2371 | struct in_addr *ls_id, | |
2372 | struct in_addr *router_id, int exact) | |
718e3744 | 2373 | { |
d62a17ae | 2374 | int first; |
2375 | oid *offset; | |
2376 | int offsetlen; | |
2377 | u_char lsa_type; | |
2378 | unsigned int len; | |
2379 | struct ospf_lsa *lsa; | |
2380 | struct ospf *ospf; | |
2381 | ||
b5a8894d | 2382 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 2383 | if (exact) { |
2384 | if (*length != v->namelen + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
2385 | return NULL; | |
2386 | ||
2387 | offset = name + v->namelen; | |
2388 | ||
2389 | /* Make it sure given value match to type. */ | |
2390 | lsa_type = *offset; | |
2391 | offset++; | |
2392 | ||
2393 | if (lsa_type != *type) | |
2394 | return NULL; | |
2395 | ||
2396 | /* LS ID. */ | |
2397 | oid2in_addr(offset, IN_ADDR_SIZE, ls_id); | |
2398 | offset += IN_ADDR_SIZE; | |
2399 | ||
2400 | /* Router ID. */ | |
2401 | oid2in_addr(offset, IN_ADDR_SIZE, router_id); | |
2402 | ||
2403 | return ospf_lsdb_lookup_by_id(ospf->lsdb, *type, *ls_id, | |
2404 | *router_id); | |
2405 | } else { | |
2406 | /* Get variable length. */ | |
2407 | first = 0; | |
2408 | offset = name + v->namelen; | |
2409 | offsetlen = *length - v->namelen; | |
2410 | ||
2411 | /* LSA type value. */ | |
2412 | lsa_type = *offset; | |
2413 | offset++; | |
2414 | offsetlen--; | |
2415 | ||
2416 | if (offsetlen <= 0 || lsa_type < OSPF_AS_EXTERNAL_LSA) | |
2417 | first = 1; | |
2418 | ||
2419 | /* LS ID. */ | |
2420 | len = offsetlen; | |
2421 | if (len > IN_ADDR_SIZE) | |
2422 | len = IN_ADDR_SIZE; | |
2423 | ||
2424 | oid2in_addr(offset, len, ls_id); | |
2425 | ||
2426 | offset += IN_ADDR_SIZE; | |
2427 | offsetlen -= IN_ADDR_SIZE; | |
2428 | ||
2429 | /* Router ID. */ | |
2430 | len = offsetlen; | |
2431 | if (len > IN_ADDR_SIZE) | |
2432 | len = IN_ADDR_SIZE; | |
2433 | ||
2434 | oid2in_addr(offset, len, router_id); | |
2435 | ||
2436 | lsa = ospf_lsdb_lookup_by_id_next(ospf->lsdb, *type, *ls_id, | |
2437 | *router_id, first); | |
2438 | ||
2439 | if (lsa) { | |
2440 | /* Fill in length. */ | |
2441 | *length = v->namelen + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE; | |
2442 | ||
2443 | /* Fill in value. */ | |
2444 | offset = name + v->namelen; | |
2445 | ||
2446 | *offset = OSPF_AS_EXTERNAL_LSA; | |
2447 | offset++; | |
2448 | oid_copy_addr(offset, &lsa->data->id, IN_ADDR_SIZE); | |
2449 | offset += IN_ADDR_SIZE; | |
2450 | oid_copy_addr(offset, &lsa->data->adv_router, | |
2451 | IN_ADDR_SIZE); | |
2452 | ||
2453 | return lsa; | |
2454 | } | |
718e3744 | 2455 | } |
d62a17ae | 2456 | return NULL; |
718e3744 | 2457 | } |
2458 | ||
d62a17ae | 2459 | static u_char *ospfExtLsdbEntry(struct variable *v, oid *name, size_t *length, |
2460 | int exact, size_t *var_len, | |
2461 | WriteMethod **write_method) | |
718e3744 | 2462 | { |
d62a17ae | 2463 | struct ospf_lsa *lsa; |
2464 | struct lsa_header *lsah; | |
2465 | u_char type; | |
2466 | struct in_addr ls_id; | |
2467 | struct in_addr router_id; | |
2468 | struct ospf *ospf; | |
2469 | ||
2470 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
2471 | == MATCH_FAILED) | |
2472 | return NULL; | |
2473 | ||
2474 | type = OSPF_AS_EXTERNAL_LSA; | |
2475 | memset(&ls_id, 0, sizeof(struct in_addr)); | |
2476 | memset(&router_id, 0, sizeof(struct in_addr)); | |
2477 | ||
2478 | /* Check OSPF instance. */ | |
b5a8894d | 2479 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 2480 | if (ospf == NULL) |
2481 | return NULL; | |
2482 | ||
2483 | lsa = ospfExtLsdbLookup(v, name, length, &type, &ls_id, &router_id, | |
2484 | exact); | |
2485 | if (!lsa) | |
2486 | return NULL; | |
2487 | ||
2488 | lsah = lsa->data; | |
2489 | ||
2490 | /* Return the current value of the variable */ | |
2491 | switch (v->magic) { | |
2492 | case OSPFEXTLSDBTYPE: | |
2493 | return SNMP_INTEGER(OSPF_AS_EXTERNAL_LSA); | |
2494 | break; | |
2495 | case OSPFEXTLSDBLSID: | |
2496 | return SNMP_IPADDRESS(lsah->id); | |
2497 | break; | |
2498 | case OSPFEXTLSDBROUTERID: | |
2499 | return SNMP_IPADDRESS(lsah->adv_router); | |
2500 | break; | |
2501 | case OSPFEXTLSDBSEQUENCE: | |
2502 | return SNMP_INTEGER(lsah->ls_seqnum); | |
2503 | break; | |
2504 | case OSPFEXTLSDBAGE: | |
2505 | return SNMP_INTEGER(lsah->ls_age); | |
2506 | break; | |
2507 | case OSPFEXTLSDBCHECKSUM: | |
2508 | return SNMP_INTEGER(lsah->checksum); | |
2509 | break; | |
2510 | case OSPFEXTLSDBADVERTISEMENT: | |
2511 | *var_len = ntohs(lsah->length); | |
2512 | return (u_char *)lsah; | |
2513 | break; | |
2514 | default: | |
2515 | return NULL; | |
2516 | break; | |
2517 | } | |
2518 | return NULL; | |
718e3744 | 2519 | } |
6b0655a2 | 2520 | |
d62a17ae | 2521 | static u_char *ospfAreaAggregateEntry(struct variable *v, oid *name, |
2522 | size_t *length, int exact, | |
2523 | size_t *var_len, | |
2524 | WriteMethod **write_method) | |
718e3744 | 2525 | { |
d62a17ae | 2526 | if (smux_header_table(v, name, length, exact, var_len, write_method) |
2527 | == MATCH_FAILED) | |
2528 | return NULL; | |
2529 | ||
2530 | /* Return the current value of the variable */ | |
2531 | switch (v->magic) { | |
2532 | case OSPFAREAAGGREGATEAREAID: | |
2533 | return (u_char *)NULL; | |
2534 | break; | |
2535 | case OSPFAREAAGGREGATELSDBTYPE: | |
2536 | return (u_char *)NULL; | |
2537 | break; | |
2538 | case OSPFAREAAGGREGATENET: | |
2539 | return (u_char *)NULL; | |
2540 | break; | |
2541 | case OSPFAREAAGGREGATEMASK: | |
2542 | return (u_char *)NULL; | |
2543 | break; | |
2544 | case OSPFAREAAGGREGATESTATUS: | |
2545 | return (u_char *)NULL; | |
2546 | break; | |
2547 | case OSPFAREAAGGREGATEEFFECT: | |
2548 | return (u_char *)NULL; | |
2549 | break; | |
2550 | default: | |
2551 | return NULL; | |
2552 | break; | |
2553 | } | |
2554 | return NULL; | |
718e3744 | 2555 | } |
6b0655a2 | 2556 | |
5e4914c3 | 2557 | /* OSPF Traps. */ |
2558 | #define IFSTATECHANGE 16 | |
2559 | #define VIRTIFSTATECHANGE 1 | |
2560 | #define NBRSTATECHANGE 2 | |
2561 | #define VIRTNBRSTATECHANGE 3 | |
2562 | ||
d62a17ae | 2563 | static struct trap_object ospfNbrTrapList[] = {{-2, {1, OSPFROUTERID}}, |
2564 | {3, {10, 1, OSPFNBRIPADDR}}, | |
2565 | {3, {10, 1, OSPFNBRRTRID}}, | |
2566 | {3, {10, 1, OSPFNBRSTATE}}}; | |
5e4914c3 | 2567 | |
2568 | ||
d62a17ae | 2569 | static struct trap_object ospfVirtNbrTrapList[] = { |
2570 | {-2, {1, 1}}, | |
2571 | {3, {11, 1, OSPFVIRTNBRAREA}}, | |
2572 | {3, {11, 1, OSPFVIRTNBRRTRID}}, | |
2573 | {3, {11, 1, OSPFVIRTNBRSTATE}}}; | |
5e4914c3 | 2574 | |
d62a17ae | 2575 | static struct trap_object ospfIfTrapList[] = {{-2, {1, OSPFROUTERID}}, |
2576 | {3, {7, 1, OSPFIFIPADDRESS}}, | |
2577 | {3, {7, 1, OSPFADDRESSLESSIF}}, | |
2578 | {3, {7, 1, OSPFIFSTATE}}}; | |
5e4914c3 | 2579 | |
d62a17ae | 2580 | static struct trap_object ospfVirtIfTrapList[] = { |
2581 | {-2, {1, OSPFROUTERID}}, | |
2582 | {3, {9, 1, OSPFVIRTIFAREAID}}, | |
2583 | {3, {9, 1, OSPFVIRTIFNEIGHBOR}}, | |
2584 | {3, {9, 1, OSPFVIRTIFSTATE}}}; | |
5e4914c3 | 2585 | |
d62a17ae | 2586 | static void ospfTrapNbrStateChange(struct ospf_neighbor *on) |
5e4914c3 | 2587 | { |
d62a17ae | 2588 | oid index[sizeof(oid) * (IN_ADDR_SIZE + 1)]; |
2589 | char msgbuf[16]; | |
2590 | ||
2591 | ospf_nbr_state_message(on, msgbuf, sizeof(msgbuf)); | |
2592 | zlog_info("ospfTrapNbrStateChange trap sent: %s now %s", | |
2593 | inet_ntoa(on->address.u.prefix4), msgbuf); | |
2594 | ||
2595 | oid_copy_addr(index, &(on->address.u.prefix4), IN_ADDR_SIZE); | |
2596 | index[IN_ADDR_SIZE] = 0; | |
2597 | ||
2598 | smux_trap(ospf_variables, | |
2599 | sizeof ospf_variables / sizeof(struct variable), | |
2600 | ospf_trap_oid, sizeof ospf_trap_oid / sizeof(oid), ospf_oid, | |
2601 | sizeof ospf_oid / sizeof(oid), index, IN_ADDR_SIZE + 1, | |
2602 | ospfNbrTrapList, | |
2603 | sizeof ospfNbrTrapList / sizeof(struct trap_object), | |
2604 | NBRSTATECHANGE); | |
5e4914c3 | 2605 | } |
2606 | ||
d62a17ae | 2607 | static void ospfTrapVirtNbrStateChange(struct ospf_neighbor *on) |
5e4914c3 | 2608 | { |
d62a17ae | 2609 | oid index[sizeof(oid) * (IN_ADDR_SIZE + 1)]; |
2610 | ||
2611 | zlog_info("ospfTrapVirtNbrStateChange trap sent"); | |
2612 | ||
2613 | oid_copy_addr(index, &(on->address.u.prefix4), IN_ADDR_SIZE); | |
2614 | index[IN_ADDR_SIZE] = 0; | |
2615 | ||
2616 | smux_trap(ospf_variables, | |
2617 | sizeof ospf_variables / sizeof(struct variable), | |
2618 | ospf_trap_oid, sizeof ospf_trap_oid / sizeof(oid), ospf_oid, | |
2619 | sizeof ospf_oid / sizeof(oid), index, IN_ADDR_SIZE + 1, | |
2620 | ospfVirtNbrTrapList, | |
2621 | sizeof ospfVirtNbrTrapList / sizeof(struct trap_object), | |
2622 | VIRTNBRSTATECHANGE); | |
5e4914c3 | 2623 | } |
2624 | ||
d62a17ae | 2625 | static int ospf_snmp_nsm_change(struct ospf_neighbor *nbr, int next_state, |
2626 | int old_state) | |
3012671f | 2627 | { |
d62a17ae | 2628 | /* Terminal state or regression */ |
2629 | if ((next_state == NSM_Full) || (next_state == NSM_TwoWay) | |
2630 | || (next_state < old_state)) { | |
2631 | /* ospfVirtNbrStateChange */ | |
2632 | if (nbr->oi->type == OSPF_IFTYPE_VIRTUALLINK) | |
2633 | ospfTrapVirtNbrStateChange(nbr); | |
2634 | /* ospfNbrStateChange trap */ | |
2635 | else | |
2636 | /* To/From FULL, only managed by DR */ | |
2637 | if (((next_state != NSM_Full) | |
2638 | && (nbr->state != NSM_Full)) | |
2639 | || (nbr->oi->state == ISM_DR)) | |
2640 | ospfTrapNbrStateChange(nbr); | |
2641 | } | |
2642 | return 0; | |
3012671f DL |
2643 | } |
2644 | ||
d62a17ae | 2645 | static void ospfTrapIfStateChange(struct ospf_interface *oi) |
5e4914c3 | 2646 | { |
d62a17ae | 2647 | oid index[sizeof(oid) * (IN_ADDR_SIZE + 1)]; |
2648 | ||
2649 | zlog_info("ospfTrapIfStateChange trap sent: %s now %s", | |
2650 | inet_ntoa(oi->address->u.prefix4), | |
2651 | lookup_msg(ospf_ism_state_msg, oi->state, NULL)); | |
2652 | ||
2653 | oid_copy_addr(index, &(oi->address->u.prefix4), IN_ADDR_SIZE); | |
2654 | index[IN_ADDR_SIZE] = 0; | |
2655 | ||
2656 | smux_trap(ospf_variables, | |
2657 | sizeof ospf_variables / sizeof(struct variable), | |
2658 | ospf_trap_oid, sizeof ospf_trap_oid / sizeof(oid), ospf_oid, | |
2659 | sizeof ospf_oid / sizeof(oid), index, IN_ADDR_SIZE + 1, | |
2660 | ospfIfTrapList, | |
2661 | sizeof ospfIfTrapList / sizeof(struct trap_object), | |
2662 | IFSTATECHANGE); | |
5e4914c3 | 2663 | } |
2664 | ||
d62a17ae | 2665 | static void ospfTrapVirtIfStateChange(struct ospf_interface *oi) |
5e4914c3 | 2666 | { |
d62a17ae | 2667 | oid index[sizeof(oid) * (IN_ADDR_SIZE + 1)]; |
2668 | ||
2669 | zlog_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_variables, | |
2675 | sizeof ospf_variables / sizeof(struct variable), | |
2676 | ospf_trap_oid, sizeof ospf_trap_oid / sizeof(oid), ospf_oid, | |
2677 | sizeof ospf_oid / sizeof(oid), index, IN_ADDR_SIZE + 1, | |
2678 | ospfVirtIfTrapList, | |
2679 | sizeof ospfVirtIfTrapList / sizeof(struct trap_object), | |
2680 | VIRTIFSTATECHANGE); | |
5e4914c3 | 2681 | } |
3012671f | 2682 | |
d62a17ae | 2683 | static int ospf_snmp_ism_change(struct ospf_interface *oi, int state, |
2684 | int old_state) | |
3012671f | 2685 | { |
d62a17ae | 2686 | /* Terminal state or regression */ |
2687 | if ((state == ISM_DR) || (state == ISM_Backup) || (state == ISM_DROther) | |
2688 | || (state == ISM_PointToPoint) || (state < old_state)) { | |
2689 | /* ospfVirtIfStateChange */ | |
2690 | if (oi->type == OSPF_IFTYPE_VIRTUALLINK) | |
2691 | ospfTrapVirtIfStateChange(oi); | |
2692 | /* ospfIfStateChange */ | |
2693 | else | |
2694 | ospfTrapIfStateChange(oi); | |
2695 | } | |
2696 | return 0; | |
3012671f DL |
2697 | } |
2698 | ||
718e3744 | 2699 | /* Register OSPF2-MIB. */ |
d62a17ae | 2700 | static int ospf_snmp_init(struct thread_master *tm) |
5986b66b | 2701 | { |
d62a17ae | 2702 | ospf_snmp_iflist = list_new(); |
2703 | ospf_snmp_vl_table = route_table_init(); | |
2704 | smux_init(tm); | |
2705 | REGISTER_MIB("mibII/ospf", ospf_variables, variable, ospf_oid); | |
2706 | return 0; | |
5986b66b DL |
2707 | } |
2708 | ||
d62a17ae | 2709 | static int ospf_snmp_module_init(void) |
718e3744 | 2710 | { |
d62a17ae | 2711 | hook_register(ospf_if_update, ospf_snmp_if_update); |
2712 | hook_register(ospf_if_delete, ospf_snmp_if_delete); | |
2713 | hook_register(ospf_vl_add, ospf_snmp_vl_add); | |
2714 | hook_register(ospf_vl_delete, ospf_snmp_vl_delete); | |
2715 | hook_register(ospf_ism_change, ospf_snmp_ism_change); | |
2716 | hook_register(ospf_nsm_change, ospf_snmp_nsm_change); | |
2717 | ||
2718 | hook_register(frr_late_init, ospf_snmp_init); | |
2719 | return 0; | |
718e3744 | 2720 | } |
5986b66b | 2721 | |
d62a17ae | 2722 | FRR_MODULE_SETUP(.name = "ospfd_snmp", .version = FRR_VERSION, |
2723 | .description = "ospfd AgentX SNMP module", | |
2724 | .init = ospf_snmp_module_init, ) |