| /* OSPFv3 SNMP support |
| * Copyright (C) 2004 Yasuhiro Ohara |
| * |
| * This file is part of GNU Zebra. |
| * |
| * GNU Zebra is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2, or (at your option) any |
| * later version. |
| * |
| * GNU Zebra is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GNU Zebra; see the file COPYING. If not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <zebra.h> |
| |
| #ifdef HAVE_SNMP |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| |
| #include "log.h" |
| #include "vty.h" |
| #include "linklist.h" |
| #include "smux.h" |
| |
| #include "ospf6_proto.h" |
| #include "ospf6_lsa.h" |
| #include "ospf6_lsdb.h" |
| #include "ospf6_route.h" |
| #include "ospf6_top.h" |
| #include "ospf6_area.h" |
| #include "ospf6_interface.h" |
| #include "ospf6_message.h" |
| #include "ospf6_neighbor.h" |
| #include "ospf6d.h" |
| #include "ospf6_snmp.h" |
| |
| /* OSPFv3-MIB */ |
| #define OSPFv3MIB 1,3,6,1,2,1,191 |
| |
| /* OSPFv3 MIB General Group values. */ |
| #define OSPFv3ROUTERID 1 |
| #define OSPFv3ADMINSTAT 2 |
| #define OSPFv3VERSIONNUMBER 3 |
| #define OSPFv3AREABDRRTRSTATUS 4 |
| #define OSPFv3ASBDRRTRSTATUS 5 |
| #define OSPFv3ASSCOPELSACOUNT 6 |
| #define OSPFv3ASSCOPELSACHECKSUMSUM 7 |
| #define OSPFv3ORIGINATENEWLSAS 8 |
| #define OSPFv3RXNEWLSAS 9 |
| #define OSPFv3EXTLSACOUNT 10 |
| #define OSPFv3EXTAREALSDBLIMIT 11 |
| #define OSPFv3EXITOVERFLOWINTERVAL 12 |
| #define OSPFv3DEMANDEXTENSIONS 13 |
| #define OSPFv3REFERENCEBANDWIDTH 14 |
| #define OSPFv3RESTARTSUPPORT 15 |
| #define OSPFv3RESTARTINTERVAL 16 |
| #define OSPFv3RESTARTSTRICTLSACHECKING 17 |
| #define OSPFv3RESTARTSTATUS 18 |
| #define OSPFv3RESTARTAGE 19 |
| #define OSPFv3RESTARTEXITREASON 20 |
| #define OSPFv3NOTIFICATIONENABLE 21 |
| #define OSPFv3STUBROUTERSUPPORT 22 |
| #define OSPFv3STUBROUTERADVERTISEMENT 23 |
| #define OSPFv3DISCONTINUITYTIME 24 |
| #define OSPFv3RESTARTTIME 25 |
| |
| /* OSPFv3 MIB Area Table values: ospfv3AreaTable */ |
| #define OSPFv3IMPORTASEXTERN 2 |
| #define OSPFv3AREASPFRUNS 3 |
| #define OSPFv3AREABDRRTRCOUNT 4 |
| #define OSPFv3AREAASBDRRTRCOUNT 5 |
| #define OSPFv3AREASCOPELSACOUNT 6 |
| #define OSPFv3AREASCOPELSACKSUMSUM 7 |
| #define OSPFv3AREASUMMARY 8 |
| #define OSPFv3AREAROWSTATUS 9 |
| #define OSPFv3AREASTUBMETRIC 10 |
| #define OSPFv3AREANSSATRANSLATORROLE 11 |
| #define OSPFv3AREANSSATRANSLATORSTATE 12 |
| #define OSPFv3AREANSSATRANSLATORSTABINTERVAL 13 |
| #define OSPFv3AREANSSATRANSLATOREVENTS 14 |
| #define OSPFv3AREASTUBMETRICTYPE 15 |
| #define OSPFv3AREATEENABLED 16 |
| |
| /* OSPFv3 MIB AS Lsdb Table values: ospfv3AsLsdbTable */ |
| #define OSPFv3ASLSDBSEQUENCE 4 |
| #define OSPFv3ASLSDBAGE 5 |
| #define OSPFv3ASLSDBCHECKSUM 6 |
| #define OSPFv3ASLSDBADVERTISEMENT 7 |
| #define OSPFv3ASLSDBTYPEKNOWN 8 |
| |
| /* OSPFv3 MIB Area Lsdb Table values: ospfv3AreaLsdbTable */ |
| #define OSPFv3AREALSDBSEQUENCE 5 |
| #define OSPFv3AREALSDBAGE 6 |
| #define OSPFv3AREALSDBCHECKSUM 7 |
| #define OSPFv3AREALSDBADVERTISEMENT 8 |
| #define OSPFv3AREALSDBTYPEKNOWN 9 |
| |
| /* OSPFv3 MIB Link Lsdb Table values: ospfv3LinkLsdbTable */ |
| #define OSPFv3LINKLSDBSEQUENCE 6 |
| #define OSPFv3LINKLSDBAGE 7 |
| #define OSPFv3LINKLSDBCHECKSUM 8 |
| #define OSPFv3LINKLSDBADVERTISEMENT 9 |
| #define OSPFv3LINKLSDBTYPEKNOWN 10 |
| |
| /* OSPFv3 MIB Host Table values: ospfv3HostTable */ |
| #define OSPFv3HOSTMETRIC 3 |
| #define OSPFv3HOSTROWSTATUS 4 |
| #define OSPFv3HOSTAREAID 5 |
| |
| /* OSPFv3 MIB Interface Table values: ospfv3IfTable */ |
| #define OSPFv3IFAREAID 3 |
| #define OSPFv3IFTYPE 4 |
| #define OSPFv3IFADMINSTATUS 5 |
| #define OSPFv3IFRTRPRIORITY 6 |
| #define OSPFv3IFTRANSITDELAY 7 |
| #define OSPFv3IFRETRANSINTERVAL 8 |
| #define OSPFv3IFHELLOINTERVAL 9 |
| #define OSPFv3IFRTRDEADINTERVAL 10 |
| #define OSPFv3IFPOLLINTERVAL 11 |
| #define OSPFv3IFSTATE 12 |
| #define OSPFv3IFDESIGNATEDROUTER 13 |
| #define OSPFv3IFBACKUPDESIGNATEDROUTER 14 |
| #define OSPFv3IFEVENTS 15 |
| #define OSPFv3IFROWSTATUS 16 |
| #define OSPFv3IFDEMAND 17 |
| #define OSPFv3IFMETRICVALUE 18 |
| #define OSPFv3IFLINKSCOPELSACOUNT 19 |
| #define OSPFv3IFLINKLSACKSUMSUM 20 |
| #define OSPFv3IFDEMANDNBRPROBE 21 |
| #define OSPFv3IFDEMANDNBRPROBERETRANSLIMIT 22 |
| #define OSPFv3IFDEMANDNBRPROBEINTERVAL 23 |
| #define OSPFv3IFTEDISABLED 24 |
| #define OSPFv3IFLINKLSASUPPRESSION 25 |
| |
| /* OSPFv3 MIB Virtual Interface Table values: ospfv3VirtIfTable */ |
| #define OSPFv3VIRTIFINDEX 3 |
| #define OSPFv3VIRTIFINSTID 4 |
| #define OSPFv3VIRTIFTRANSITDELAY 5 |
| #define OSPFv3VIRTIFRETRANSINTERVAL 6 |
| #define OSPFv3VIRTIFHELLOINTERVAL 7 |
| #define OSPFv3VIRTIFRTRDEADINTERVAL 8 |
| #define OSPFv3VIRTIFSTATE 9 |
| #define OSPFv3VIRTIFEVENTS 10 |
| #define OSPFv3VIRTIFROWSTATUS 11 |
| #define OSPFv3VIRTIFLINKSCOPELSACOUNT 12 |
| #define OSPFv3VIRTIFLINKLSACKSUMSUM 13 |
| |
| /* OSPFv3 MIB Neighbors Table values: ospfv3NbrTable */ |
| #define OSPFv3NBRADDRESSTYPE 4 |
| #define OSPFv3NBRADDRESS 5 |
| #define OSPFv3NBROPTIONS 6 |
| #define OSPFv3NBRPRIORITY 7 |
| #define OSPFv3NBRSTATE 8 |
| #define OSPFv3NBREVENTS 9 |
| #define OSPFv3NBRLSRETRANSQLEN 10 |
| #define OSPFv3NBRHELLOSUPPRESSED 11 |
| #define OSPFv3NBRIFID 12 |
| #define OSPFv3NBRRESTARTHELPERSTATUS 13 |
| #define OSPFv3NBRRESTARTHELPERAGE 14 |
| #define OSPFv3NBRRESTARTHELPEREXITREASON 15 |
| |
| /* OSPFv3 MIB Configured Neighbors Table values: ospfv3CfgNbrTable */ |
| #define OSPFv3CFGNBRPRIORITY 5 |
| #define OSPFv3CFGNBRROWSTATUS 6 |
| |
| /* OSPFv3 MIB Virtual Neighbors Table values: ospfv3VirtNbrTable */ |
| #define OSPFv3VIRTNBRIFINDEX 3 |
| #define OSPFv3VIRTNBRIFINSTID 4 |
| #define OSPFv3VIRTNBRADDRESSTYPE 5 |
| #define OSPFv3VIRTNBRADDRESS 6 |
| #define OSPFv3VIRTNBROPTIONS 7 |
| #define OSPFv3VIRTNBRSTATE 8 |
| #define OSPFv3VIRTNBREVENTS 9 |
| #define OSPFv3VIRTNBRLSRETRANSQLEN 10 |
| #define OSPFv3VIRTNBRHELLOSUPPRESSED 11 |
| #define OSPFv3VIRTNBRIFID 12 |
| #define OSPFv3VIRTNBRRESTARTHELPERSTATUS 13 |
| #define OSPFv3VIRTNBRRESTARTHELPERAGE 14 |
| #define OSPFv3VIRTNBRRESTARTHELPEREXITREASON 15 |
| |
| /* OSPFv3 MIB Area Aggregate Table values: ospfv3AreaAggregateTable */ |
| #define OSPFv3AREAAGGREGATEROWSTATUS 6 |
| #define OSPFv3AREAAGGREGATEEFFECT 7 |
| #define OSPFv3AREAAGGREGATEROUTETAG 8 |
| |
| /* OSPFv3 MIB Virtual Link Lsdb Table values: ospfv3VirtLinkLsdbTable */ |
| #define OSPFv3VIRTLINKLSDBSEQUENCE 6 |
| #define OSPFv3VIRTLINKLSDBAGE 7 |
| #define OSPFv3VIRTLINKLSDBCHECKSUM 8 |
| #define OSPFv3VIRTLINKLSDBADVERTISEMENT 9 |
| #define OSPFv3VIRTLINKLSDBTYPEKNOWN 10 |
| |
| /* SYNTAX Status from OSPF-MIB. */ |
| #define OSPF_STATUS_ENABLED 1 |
| #define OSPF_STATUS_DISABLED 2 |
| |
| /* SNMP value hack. */ |
| #define COUNTER ASN_COUNTER |
| #define INTEGER ASN_INTEGER |
| #define GAUGE ASN_GAUGE |
| #define UNSIGNED ASN_UNSIGNED |
| #define TIMETICKS ASN_TIMETICKS |
| #define IPADDRESS ASN_IPADDRESS |
| #define STRING ASN_OCTET_STR |
| |
| /* For return values e.g. SNMP_INTEGER macro */ |
| SNMP_LOCAL_VARIABLES |
| |
| /* OSPFv3-MIB instances. */ |
| oid ospfv3_oid [] = { OSPFv3MIB }; |
| |
| /* Hook functions. */ |
| static u_char *ospfv3GeneralGroup (struct variable *, oid *, size_t *, |
| int, size_t *, WriteMethod **); |
| static u_char *ospfv3AreaEntry (struct variable *, oid *, size_t *, |
| int, size_t *, WriteMethod **); |
| static u_char *ospfv3AreaLsdbEntry (struct variable *, oid *, size_t *, |
| int, size_t *, WriteMethod **); |
| static u_char *ospfv3NbrEntry (struct variable *, oid *, size_t *, |
| int, size_t *, WriteMethod **); |
| |
| struct variable ospfv3_variables[] = |
| { |
| /* OSPF general variables */ |
| {OSPFv3ROUTERID, UNSIGNED, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 1}}, |
| {OSPFv3ADMINSTAT, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 2}}, |
| {OSPFv3VERSIONNUMBER, INTEGER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 3}}, |
| {OSPFv3AREABDRRTRSTATUS, INTEGER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 4}}, |
| {OSPFv3ASBDRRTRSTATUS, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 5}}, |
| {OSPFv3ASSCOPELSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 6}}, |
| {OSPFv3ASSCOPELSACHECKSUMSUM,UNSIGNED, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 7}}, |
| {OSPFv3ORIGINATENEWLSAS, COUNTER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 8}}, |
| {OSPFv3RXNEWLSAS, COUNTER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 9}}, |
| {OSPFv3EXTLSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 10}}, |
| {OSPFv3EXTAREALSDBLIMIT, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 11}}, |
| {OSPFv3EXITOVERFLOWINTERVAL, UNSIGNED, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 12}}, |
| {OSPFv3DEMANDEXTENSIONS, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 13}}, |
| {OSPFv3REFERENCEBANDWIDTH, UNSIGNED, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 14}}, |
| {OSPFv3RESTARTSUPPORT, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 15}}, |
| {OSPFv3RESTARTINTERVAL, UNSIGNED, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 16}}, |
| {OSPFv3RESTARTSTRICTLSACHECKING, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 17}}, |
| {OSPFv3RESTARTSTATUS, INTEGER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 18}}, |
| {OSPFv3RESTARTAGE, UNSIGNED, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 19}}, |
| {OSPFv3RESTARTEXITREASON, INTEGER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 20}}, |
| {OSPFv3NOTIFICATIONENABLE, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 21}}, |
| {OSPFv3STUBROUTERSUPPORT, INTEGER, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 22}}, |
| {OSPFv3STUBROUTERADVERTISEMENT, INTEGER, RWRITE, ospfv3GeneralGroup, |
| 3, {1, 1, 23}}, |
| {OSPFv3DISCONTINUITYTIME, TIMETICKS, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 24}}, |
| {OSPFv3RESTARTTIME, TIMETICKS, RONLY, ospfv3GeneralGroup, |
| 3, {1, 1, 25}}, |
| |
| /* OSPFv3 Area Data Structure */ |
| {OSPFv3IMPORTASEXTERN, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 2}}, |
| {OSPFv3AREASPFRUNS, COUNTER, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 3}}, |
| {OSPFv3AREABDRRTRCOUNT, GAUGE, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 4}}, |
| {OSPFv3AREAASBDRRTRCOUNT, GAUGE, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 5}}, |
| {OSPFv3AREASCOPELSACOUNT, GAUGE, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 6}}, |
| {OSPFv3AREASCOPELSACKSUMSUM, UNSIGNED, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 7}}, |
| {OSPFv3AREASUMMARY, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 8}}, |
| {OSPFv3AREAROWSTATUS, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 9}}, |
| {OSPFv3AREASTUBMETRIC, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 10}}, |
| {OSPFv3AREANSSATRANSLATORROLE, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 11}}, |
| {OSPFv3AREANSSATRANSLATORSTATE, INTEGER, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 12}}, |
| {OSPFv3AREANSSATRANSLATORSTABINTERVAL, UNSIGNED, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 13}}, |
| {OSPFv3AREANSSATRANSLATOREVENTS, COUNTER, RONLY, ospfv3AreaEntry, |
| 4, {1, 2, 1, 14}}, |
| {OSPFv3AREASTUBMETRICTYPE, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 15}}, |
| {OSPFv3AREATEENABLED, INTEGER, RWRITE, ospfv3AreaEntry, |
| 4, {1, 2, 1, 16}}, |
| |
| /* OSPFv3 Area LSDB */ |
| {OSPFv3AREALSDBSEQUENCE, INTEGER, RONLY, ospfv3AreaLsdbEntry, |
| 4, {1, 4, 1, 5}}, |
| {OSPFv3AREALSDBAGE, UNSIGNED, RONLY, ospfv3AreaLsdbEntry, |
| 4, {1, 4, 1, 6}}, |
| {OSPFv3AREALSDBCHECKSUM, INTEGER, RONLY, ospfv3AreaLsdbEntry, |
| 4, {1, 4, 1, 7}}, |
| {OSPFv3AREALSDBADVERTISEMENT, STRING, RONLY, ospfv3AreaLsdbEntry, |
| 4, {1, 4, 1, 8}}, |
| {OSPFv3AREALSDBTYPEKNOWN, INTEGER, RONLY, ospfv3AreaLsdbEntry, |
| 4, {1, 4, 1, 9}}, |
| |
| /* OSPFv3 neighbors */ |
| {OSPFv3NBRADDRESSTYPE, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 4}}, |
| {OSPFv3NBRADDRESS, STRING, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 5}}, |
| {OSPFv3NBROPTIONS, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 6}}, |
| {OSPFv3NBRPRIORITY, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 7}}, |
| {OSPFv3NBRSTATE, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 8}}, |
| {OSPFv3NBREVENTS, COUNTER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 9}}, |
| {OSPFv3NBRLSRETRANSQLEN, GAUGE, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 10}}, |
| {OSPFv3NBRHELLOSUPPRESSED, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 11}}, |
| {OSPFv3NBRIFID, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 12}}, |
| {OSPFv3NBRRESTARTHELPERSTATUS, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 13}}, |
| {OSPFv3NBRRESTARTHELPERAGE, UNSIGNED, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 14}}, |
| {OSPFv3NBRRESTARTHELPEREXITREASON, INTEGER, RONLY, ospfv3NbrEntry, |
| 4, {1, 9, 1, 15}}, |
| }; |
| |
| static u_char * |
| ospfv3GeneralGroup (struct variable *v, oid *name, size_t *length, |
| int exact, size_t *var_len, WriteMethod **write_method) |
| { |
| u_int16_t sum; |
| u_int32_t count; |
| struct ospf6_lsa *lsa = NULL; |
| |
| /* Check whether the instance identifier is valid */ |
| if (smux_header_generic (v, name, length, exact, var_len, write_method) |
| == MATCH_FAILED) |
| return NULL; |
| |
| /* Return the current value of the variable */ |
| switch (v->magic) |
| { |
| case OSPFv3ROUTERID: |
| /* Router-ID of this OSPF instance. */ |
| if (ospf6) |
| return SNMP_INTEGER (ntohl (ospf6->router_id)); |
| return SNMP_INTEGER (0); |
| case OSPFv3ADMINSTAT: |
| if (ospf6) |
| return SNMP_INTEGER (CHECK_FLAG (ospf6->flag, OSPF6_DISABLED)? |
| OSPF_STATUS_DISABLED:OSPF_STATUS_ENABLED); |
| return SNMP_INTEGER (OSPF_STATUS_DISABLED); |
| case OSPFv3VERSIONNUMBER: |
| return SNMP_INTEGER (3); |
| case OSPFv3AREABDRRTRSTATUS: |
| if (ospf6) |
| return SNMP_INTEGER (ospf6_is_router_abr (ospf6)?SNMP_TRUE:SNMP_FALSE); |
| return SNMP_INTEGER (SNMP_FALSE); |
| case OSPFv3ASBDRRTRSTATUS: |
| if (ospf6) |
| return SNMP_INTEGER (ospf6_asbr_is_asbr (ospf6)?SNMP_TRUE:SNMP_FALSE); |
| return SNMP_INTEGER (SNMP_FALSE); |
| case OSPFv3ASSCOPELSACOUNT: |
| if (ospf6) |
| return SNMP_INTEGER (ospf6->lsdb->count); |
| return SNMP_INTEGER (0); |
| case OSPFv3ASSCOPELSACHECKSUMSUM: |
| if (ospf6) |
| { |
| for (sum = 0, lsa = ospf6_lsdb_head (ospf6->lsdb); |
| lsa; |
| lsa = ospf6_lsdb_next (lsa)) |
| sum += ntohs (lsa->header->checksum); |
| return SNMP_INTEGER (sum); |
| } |
| return SNMP_INTEGER (0); |
| case OSPFv3ORIGINATENEWLSAS: |
| return SNMP_INTEGER (0); /* Don't know where to get this value... */ |
| case OSPFv3RXNEWLSAS: |
| return SNMP_INTEGER (0); /* Don't know where to get this value... */ |
| case OSPFv3EXTLSACOUNT: |
| if (ospf6) |
| { |
| for (count = 0, lsa = ospf6_lsdb_type_head (htons (OSPF6_LSTYPE_AS_EXTERNAL), |
| ospf6->lsdb); |
| lsa; |
| lsa = ospf6_lsdb_type_next (htons (OSPF6_LSTYPE_AS_EXTERNAL), |
| lsa)) |
| count += 1; |
| return SNMP_INTEGER (count); |
| } |
| return SNMP_INTEGER (0); |
| case OSPFv3EXTAREALSDBLIMIT: |
| return SNMP_INTEGER (-1); |
| case OSPFv3EXITOVERFLOWINTERVAL: |
| return SNMP_INTEGER (0); /* Not supported */ |
| case OSPFv3DEMANDEXTENSIONS: |
| return SNMP_INTEGER (0); /* Not supported */ |
| case OSPFv3REFERENCEBANDWIDTH: |
| return SNMP_INTEGER (100000); |
| case OSPFv3RESTARTSUPPORT: |
| case OSPFv3RESTARTINTERVAL: |
| case OSPFv3RESTARTSTRICTLSACHECKING: |
| case OSPFv3RESTARTSTATUS: |
| case OSPFv3RESTARTAGE: |
| case OSPFv3RESTARTEXITREASON: |
| case OSPFv3NOTIFICATIONENABLE: |
| case OSPFv3STUBROUTERSUPPORT: |
| case OSPFv3STUBROUTERADVERTISEMENT: |
| case OSPFv3DISCONTINUITYTIME: |
| case OSPFv3RESTARTTIME: |
| /* TODO: Not implemented */ |
| return NULL; |
| } |
| return NULL; |
| } |
| |
| static u_char * |
| ospfv3AreaEntry (struct variable *v, oid *name, size_t *length, |
| int exact, size_t *var_len, WriteMethod **write_method) |
| { |
| struct ospf6_area *oa, *area = NULL; |
| struct ospf6_lsa *lsa = NULL; |
| u_int32_t area_id = 0; |
| u_int32_t count; |
| u_int16_t sum; |
| struct listnode *node; |
| unsigned int len; |
| char a[16]; |
| struct ospf6_route *ro; |
| |
| if (ospf6 == NULL) |
| return NULL; |
| |
| if (smux_header_table(v, name, length, exact, var_len, write_method) |
| == MATCH_FAILED) |
| return NULL; |
| |
| len = *length - v->namelen; |
| len = (len >= 1 ? sizeof 1 : 0); |
| if (exact && len != 1) |
| return NULL; |
| if (len) |
| area_id = htonl (name[v->namelen]); |
| |
| inet_ntop (AF_INET, &area_id, a, sizeof (a)); |
| zlog_debug ("SNMP access by area: %s, exact=%d len=%d length=%lu", |
| a, exact, len, (u_long)*length); |
| |
| for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa)) |
| { |
| if (area == NULL) |
| { |
| if (len == 0) /* return first area entry */ |
| area = oa; |
| else if (exact && ntohl (oa->area_id) == ntohl (area_id)) |
| area = oa; |
| else if (ntohl (oa->area_id) > ntohl (area_id)) |
| area = oa; |
| } |
| } |
| |
| if (area == NULL) |
| return NULL; |
| |
| *length = v->namelen + 1; |
| name[v->namelen] = ntohl (area->area_id); |
| |
| inet_ntop (AF_INET, &area->area_id, a, sizeof (a)); |
| zlog_debug ("SNMP found area: %s, exact=%d len=%d length=%lu", |
| a, exact, len, (u_long)*length); |
| |
| switch (v->magic) |
| { |
| case OSPFv3IMPORTASEXTERN: |
| /* No NSSA support */ |
| return SNMP_INTEGER (IS_AREA_STUB(area)?2:1); |
| case OSPFv3AREASPFRUNS: |
| return SNMP_INTEGER (area->spf_calculation); |
| case OSPFv3AREABDRRTRCOUNT: |
| case OSPFv3AREAASBDRRTRCOUNT: |
| count = 0; |
| for (ro = ospf6_route_head (ospf6->brouter_table); ro; |
| ro = ospf6_route_next (ro)) |
| { |
| if (ntohl (ro->path.area_id) != ntohl (area->area_id)) continue; |
| if (v->magic == OSPFv3AREABDRRTRCOUNT && |
| CHECK_FLAG (ro->path.router_bits, OSPF6_ROUTER_BIT_B)) |
| count++; |
| if (v->magic == OSPFv3AREAASBDRRTRCOUNT && |
| CHECK_FLAG (ro->path.router_bits, OSPF6_ROUTER_BIT_E)) |
| count++; |
| } |
| return SNMP_INTEGER (count); |
| case OSPFv3AREASCOPELSACOUNT: |
| return SNMP_INTEGER (area->lsdb->count); |
| case OSPFv3AREASCOPELSACKSUMSUM: |
| for (sum = 0, lsa = ospf6_lsdb_head (area->lsdb); |
| lsa; |
| lsa = ospf6_lsdb_next (lsa)) |
| sum += ntohs (lsa->header->checksum); |
| return SNMP_INTEGER (sum); |
| case OSPFv3AREASUMMARY: |
| return SNMP_INTEGER (2); /* sendAreaSummary */ |
| case OSPFv3AREAROWSTATUS: |
| return SNMP_INTEGER (1); /* Active */ |
| case OSPFv3AREASTUBMETRIC: |
| case OSPFv3AREANSSATRANSLATORROLE: |
| case OSPFv3AREANSSATRANSLATORSTATE: |
| case OSPFv3AREANSSATRANSLATORSTABINTERVAL: |
| case OSPFv3AREANSSATRANSLATOREVENTS: |
| case OSPFv3AREASTUBMETRICTYPE: |
| case OSPFv3AREATEENABLED: |
| /* Not implemented. */ |
| return NULL; |
| } |
| return NULL; |
| } |
| |
| static u_char * |
| ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length, |
| int exact, size_t *var_len, WriteMethod **write_method) |
| { |
| struct ospf6_lsa *lsa = NULL; |
| u_int32_t area_id, id, adv_router; |
| u_int16_t type; |
| int len; |
| oid *offset; |
| int offsetlen; |
| char a[16], b[16], c[16]; |
| struct ospf6_area *oa; |
| struct listnode *node; |
| |
| if (smux_header_table(v, name, length, exact, var_len, write_method) |
| == MATCH_FAILED) |
| return NULL; |
| |
| area_id = type = id = adv_router = 0; |
| |
| /* Check OSPFv3 instance. */ |
| if (ospf6 == NULL) |
| return NULL; |
| |
| /* Get variable length. */ |
| offset = name + v->namelen; |
| offsetlen = *length - v->namelen; |
| |
| #define OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET 4 |
| |
| if (exact && offsetlen != OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET) |
| return NULL; |
| |
| /* Parse area-id */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| area_id = htonl (*offset); |
| offset += len; |
| offsetlen -= len; |
| |
| /* Parse type */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| type = htons (*offset); |
| offset += len; |
| offsetlen -= len; |
| |
| /* Parse Router-ID */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| adv_router = htonl (*offset); |
| offset += len; |
| offsetlen -= len; |
| |
| /* Parse LS-ID */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| id = htonl (*offset); |
| offset += len; |
| offsetlen -= len; |
| |
| inet_ntop (AF_INET, &area_id, a, sizeof (a)); |
| inet_ntop (AF_INET, &adv_router, b, sizeof (b)); |
| inet_ntop (AF_INET, &id, c, sizeof (c)); |
| zlog_debug ("SNMP access by lsdb: area=%s exact=%d length=%lu magic=%d" |
| " type=%#x adv_router=%s id=%s", |
| a, exact, (u_long)*length, v->magic, ntohs (type), b, c); |
| |
| if (exact) |
| { |
| oa = ospf6_area_lookup (area_id, ospf6); |
| lsa = ospf6_lsdb_lookup (type, id, adv_router, oa->lsdb); |
| } |
| else |
| { |
| for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa)) |
| { |
| if (lsa) |
| continue; |
| if (oa->area_id < area_id) |
| continue; |
| |
| lsa = ospf6_lsdb_lookup_next (type, id, adv_router, |
| oa->lsdb); |
| if (! lsa) |
| { |
| type = 0; |
| id = 0; |
| adv_router = 0; |
| } |
| } |
| } |
| |
| if (! lsa) |
| { |
| zlog_debug ("SNMP respond: No LSA to return"); |
| return NULL; |
| } |
| oa = OSPF6_AREA (lsa->lsdb->data); |
| |
| zlog_debug ("SNMP respond: area: %s lsa: %s", oa->name, lsa->name); |
| |
| /* Add Index (AreaId, Type, RouterId, Lsid) */ |
| *length = v->namelen + OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET; |
| offset = name + v->namelen; |
| *offset = ntohl (oa->area_id); |
| offset++; |
| *offset = ntohs (lsa->header->type); |
| offset++; |
| *offset = ntohl (lsa->header->adv_router); |
| offset++; |
| *offset = ntohl (lsa->header->id); |
| offset++; |
| |
| /* Return the current value of the variable */ |
| switch (v->magic) |
| { |
| case OSPFv3AREALSDBSEQUENCE: |
| return SNMP_INTEGER (ntohl (lsa->header->seqnum)); |
| break; |
| case OSPFv3AREALSDBAGE: |
| ospf6_lsa_age_current (lsa); |
| return SNMP_INTEGER (ntohs (lsa->header->age)); |
| break; |
| case OSPFv3AREALSDBCHECKSUM: |
| return SNMP_INTEGER (ntohs (lsa->header->checksum)); |
| break; |
| case OSPFv3AREALSDBADVERTISEMENT: |
| *var_len = ntohs (lsa->header->length); |
| return (u_char *) lsa->header; |
| break; |
| case OSPFv3AREALSDBTYPEKNOWN: |
| return SNMP_INTEGER (OSPF6_LSA_IS_KNOWN (lsa->header->type) ? |
| SNMP_TRUE : SNMP_FALSE); |
| break; |
| } |
| return NULL; |
| } |
| |
| static int |
| if_icmp_func (struct interface *ifp1, struct interface *ifp2) |
| { |
| return (ifp1->ifindex - ifp2->ifindex); |
| } |
| |
| static u_char * |
| ospfv3NbrEntry (struct variable *v, oid *name, size_t *length, |
| int exact, size_t *var_len, WriteMethod **write_method) |
| { |
| unsigned int ifindex, instid, rtrid; |
| struct ospf6_interface *oi = NULL; |
| struct ospf6_neighbor *on = NULL; |
| struct interface *iif; |
| struct listnode *i, *j; |
| struct list *ifslist; |
| oid *offset; |
| int offsetlen, len; |
| |
| if (smux_header_table (v, name, length, exact, var_len, write_method) |
| == MATCH_FAILED) |
| return NULL; |
| |
| ifindex = instid = rtrid = 0; |
| |
| /* Check OSPFv3 instance. */ |
| if (ospf6 == NULL) |
| return NULL; |
| |
| /* Get variable length. */ |
| offset = name + v->namelen; |
| offsetlen = *length - v->namelen; |
| |
| if (exact && offsetlen != 3) |
| return NULL; |
| |
| /* Parse if index */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| ifindex = *offset; |
| offset += len; |
| offsetlen -= len; |
| |
| /* Parse instance ID */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| instid = *offset; |
| offset += len; |
| offsetlen -= len; |
| |
| /* Parse router ID */ |
| len = (offsetlen < 1 ? 0 : 1); |
| if (len) |
| rtrid = htonl (*offset); |
| offset += len; |
| offsetlen -= len; |
| |
| if (exact) |
| { |
| oi = ospf6_interface_lookup_by_ifindex (ifindex); |
| on = ospf6_neighbor_lookup (rtrid, oi); |
| if (oi->instance_id != instid) return NULL; |
| } |
| else |
| { |
| /* We build a sorted list of interfaces */ |
| ifslist = list_new (); |
| if (!ifslist) return NULL; |
| ifslist->cmp = (int (*)(void *, void *))if_icmp_func; |
| for (ALL_LIST_ELEMENTS_RO (iflist, i, iif)) |
| listnode_add_sort (ifslist, iif); |
| |
| for (ALL_LIST_ELEMENTS_RO (ifslist, i, iif)) |
| { |
| if (!iif->ifindex) continue; |
| oi = ospf6_interface_lookup_by_ifindex (iif->ifindex); |
| if (!oi) continue; |
| for (ALL_LIST_ELEMENTS_RO (oi->neighbor_list, j, on)) { |
| if (iif->ifindex > ifindex || |
| (iif->ifindex == ifindex && |
| (oi->instance_id > instid || |
| (oi->instance_id == instid && |
| ntohl (on->router_id) > ntohl (rtrid))))) |
| break; |
| } |
| if (on) break; |
| oi = on = NULL; |
| } |
| |
| list_delete_all_node (ifslist); |
| } |
| |
| if (!oi || !on) return NULL; |
| |
| /* Add Index (IfIndex, IfInstId, RtrId) */ |
| *length = v->namelen + 3; |
| offset = name + v->namelen; |
| *offset = oi->interface->ifindex; |
| offset++; |
| *offset = oi->instance_id; |
| offset++; |
| *offset = ntohl (on->router_id); |
| offset++; |
| |
| /* Return the current value of the variable */ |
| switch (v->magic) |
| { |
| case OSPFv3NBRADDRESSTYPE: |
| return SNMP_INTEGER (2); /* IPv6 only */ |
| case OSPFv3NBRADDRESS: |
| *var_len = sizeof (struct in6_addr); |
| return (u_char *) &on->linklocal_addr; |
| case OSPFv3NBROPTIONS: |
| return SNMP_INTEGER (on->options[2]); |
| case OSPFv3NBRPRIORITY: |
| return SNMP_INTEGER (on->priority); |
| case OSPFv3NBRSTATE: |
| return SNMP_INTEGER (on->state); |
| case OSPFv3NBREVENTS: |
| return SNMP_INTEGER (on->state_change); |
| case OSPFv3NBRLSRETRANSQLEN: |
| return SNMP_INTEGER (on->retrans_list->count); |
| case OSPFv3NBRHELLOSUPPRESSED: |
| return SNMP_INTEGER (SNMP_FALSE); |
| case OSPFv3NBRIFID: |
| return SNMP_INTEGER (on->ifindex); |
| case OSPFv3NBRRESTARTHELPERSTATUS: |
| case OSPFv3NBRRESTARTHELPERAGE: |
| case OSPFv3NBRRESTARTHELPEREXITREASON: |
| /* Not implemented. Only works if all the last ones are not |
| implemented! */ |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| |
| /* Register OSPFv3-MIB. */ |
| void |
| ospf6_snmp_init (struct thread_master *master) |
| { |
| smux_init (master); |
| REGISTER_MIB ("OSPFv3MIB", ospfv3_variables, variable, ospfv3_oid); |
| } |
| |
| #endif /* HAVE_SNMP */ |
| |