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ospf6_snmp.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* OSPFv3 SNMP support
* Copyright (C) 2004 Yasuhiro Ohara
*/
#include <zebra.h>
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include "log.h"
#include "vty.h"
#include "linklist.h"
#include "vector.h"
#include "vrf.h"
#include "smux.h"
#include "libfrr.h"
#include "lib/version.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 "ospf6_abr.h"
#include "ospf6_asbr.h"
#include "ospf6d.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 * Lsdb Table values: ospfv3*LsdbTable */
#define OSPFv3WWLSDBSEQUENCE 1
#define OSPFv3WWLSDBAGE 2
#define OSPFv3WWLSDBCHECKSUM 3
#define OSPFv3WWLSDBADVERTISEMENT 4
#define OSPFv3WWLSDBTYPEKNOWN 5
/* Three first bits are to identify column */
#define OSPFv3WWCOLUMN 0x7
/* Then we use other bits to identify table */
#define OSPFv3WWASTABLE (1 << 3)
#define OSPFv3WWAREATABLE (1 << 4)
#define OSPFv3WWLINKTABLE (1 << 5)
#define OSPFv3WWVIRTLINKTABLE (1 << 6)
/* 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
/* 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. */
static oid ospfv3_oid[] = {OSPFv3MIB};
static oid ospfv3_trap_oid[] = {OSPFv3MIB, 0};
/* Hook functions. */
static uint8_t *ospfv3GeneralGroup(struct variable *, oid *, size_t *, int,
size_t *, WriteMethod **);
static uint8_t *ospfv3AreaEntry(struct variable *, oid *, size_t *, int,
size_t *, WriteMethod **);
static uint8_t *ospfv3WwLsdbEntry(struct variable *, oid *, size_t *, int,
size_t *, WriteMethod **);
static uint8_t *ospfv3NbrEntry(struct variable *, oid *, size_t *, int,
size_t *, WriteMethod **);
static uint8_t *ospfv3IfEntry(struct variable *, oid *, size_t *, int, size_t *,
WriteMethod **);
static 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 AS LSDB */
{OSPFv3WWLSDBSEQUENCE | OSPFv3WWASTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 3, 1, 4}},
{OSPFv3WWLSDBAGE | OSPFv3WWASTABLE,
UNSIGNED,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 3, 1, 5}},
{OSPFv3WWLSDBCHECKSUM | OSPFv3WWASTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 3, 1, 6}},
{OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWASTABLE,
STRING,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 3, 1, 7}},
{OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWASTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 3, 1, 8}},
/* OSPFv3 Area LSDB */
{OSPFv3WWLSDBSEQUENCE | OSPFv3WWAREATABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 4, 1, 5}},
{OSPFv3WWLSDBAGE | OSPFv3WWAREATABLE,
UNSIGNED,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 4, 1, 6}},
{OSPFv3WWLSDBCHECKSUM | OSPFv3WWAREATABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 4, 1, 7}},
{OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWAREATABLE,
STRING,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 4, 1, 8}},
{OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWAREATABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 4, 1, 9}},
/* OSPFv3 Link LSDB */
{OSPFv3WWLSDBSEQUENCE | OSPFv3WWLINKTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 5, 1, 6}},
{OSPFv3WWLSDBAGE | OSPFv3WWLINKTABLE,
UNSIGNED,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 5, 1, 7}},
{OSPFv3WWLSDBCHECKSUM | OSPFv3WWLINKTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 5, 1, 8}},
{OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWLINKTABLE,
STRING,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 5, 1, 9}},
{OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWLINKTABLE,
INTEGER,
RONLY,
ospfv3WwLsdbEntry,
4,
{1, 5, 1, 10}},
/* OSPFv3 interfaces */
{OSPFv3IFAREAID, UNSIGNED, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 3}},
{OSPFv3IFTYPE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 4}},
{OSPFv3IFADMINSTATUS, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 5}},
{OSPFv3IFRTRPRIORITY, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 6}},
{OSPFv3IFTRANSITDELAY, UNSIGNED, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 7}},
{OSPFv3IFRETRANSINTERVAL,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 8}},
{OSPFv3IFHELLOINTERVAL, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 9}},
{OSPFv3IFRTRDEADINTERVAL,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 10}},
{OSPFv3IFPOLLINTERVAL,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 11}},
{OSPFv3IFSTATE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 12}},
{OSPFv3IFDESIGNATEDROUTER,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 13}},
{OSPFv3IFBACKUPDESIGNATEDROUTER,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 14}},
{OSPFv3IFEVENTS, COUNTER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 15}},
{OSPFv3IFROWSTATUS, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 16}},
{OSPFv3IFDEMAND, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 17}},
{OSPFv3IFMETRICVALUE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 18}},
{OSPFv3IFLINKSCOPELSACOUNT,
GAUGE,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 19}},
{OSPFv3IFLINKLSACKSUMSUM,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 20}},
{OSPFv3IFDEMANDNBRPROBE,
INTEGER,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 21}},
{OSPFv3IFDEMANDNBRPROBERETRANSLIMIT,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 22}},
{OSPFv3IFDEMANDNBRPROBEINTERVAL,
UNSIGNED,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 23}},
{OSPFv3IFTEDISABLED, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 24}},
{OSPFv3IFLINKLSASUPPRESSION,
INTEGER,
RONLY,
ospfv3IfEntry,
4,
{1, 7, 1, 25}},
/* 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 uint8_t *ospfv3GeneralGroup(struct variable *v, oid *name,
size_t *length, int exact, size_t *var_len,
WriteMethod **write_method)
{
uint16_t sum;
uint32_t count;
struct ospf6_lsa *lsa = NULL, *lsanext;
struct ospf6 *ospf6;
ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
/* 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_check_and_set_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) {
sum = 0;
for (ALL_LSDB(ospf6->lsdb, lsa, lsanext))
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) {
count = 0;
for (ALL_LSDB_TYPED(ospf6->lsdb,
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:
if (ospf6)
return SNMP_INTEGER(ospf6->ref_bandwidth);
/* Otherwise, like for "not implemented". */
return NULL;
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 uint8_t *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, *lsanext;
uint32_t area_id = 0;
uint32_t count;
uint16_t sum;
struct listnode *node;
unsigned int len;
char a[16];
struct ospf6_route *ro;
struct ospf6 *ospf6;
ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
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 ? 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, (unsigned 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, (unsigned 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:
sum = 0;
for (ALL_LSDB(area->lsdb, lsa, lsanext))
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 int if_icmp_func(struct interface *ifp1, struct interface *ifp2)
{
return (ifp1->ifindex - ifp2->ifindex);
}
static uint8_t *ospfv3WwLsdbEntry(struct variable *v, oid *name, size_t *length,
int exact, size_t *var_len,
WriteMethod **write_method)
{
struct vrf *vrf;
struct ospf6_lsa *lsa = NULL;
ifindex_t ifindex;
uint32_t area_id, id, instid, adv_router;
uint16_t type;
int len;
oid *offset;
int offsetlen;
struct ospf6_area *oa = NULL;
struct listnode *node;
struct interface *iif;
struct ospf6_interface *oi = NULL;
struct list *ifslist;
struct ospf6 *ospf6;
ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
if (smux_header_table(v, name, length, exact, var_len, write_method)
== MATCH_FAILED)
return NULL;
instid = ifindex = area_id = type = id = adv_router = 0;
/* Check OSPFv3 instance. */
if (ospf6 == NULL)
return NULL;
vrf = vrf_lookup_by_id(ospf6->vrf_id);
/* Get variable length. */
offset = name + v->namelen;
offsetlen = *length - v->namelen;
if (exact && (v->magic & OSPFv3WWASTABLE) && offsetlen != 3)
return NULL;
if (exact && (v->magic & OSPFv3WWAREATABLE) && offsetlen != 4)
return NULL;
if (exact && (v->magic & OSPFv3WWLINKTABLE) && offsetlen != 5)
return NULL;
if (v->magic & OSPFv3WWLINKTABLE) {
/* Parse ifindex */
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;
} else if (v->magic & OSPFv3WWAREATABLE) {
/* 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; // Add back in if we need it again
if (exact) {
if (v->magic & OSPFv3WWASTABLE) {
lsa = ospf6_lsdb_lookup(type, id, adv_router,
ospf6->lsdb);
} else if (v->magic & OSPFv3WWAREATABLE) {
oa = ospf6_area_lookup(area_id, ospf6);
if (!oa)
return NULL;
lsa = ospf6_lsdb_lookup(type, id, adv_router, oa->lsdb);
} else if (v->magic & OSPFv3WWLINKTABLE) {
oi = ospf6_interface_lookup_by_ifindex(ifindex,
ospf6->vrf_id);
if (!oi || oi->instance_id != instid)
return NULL;
lsa = ospf6_lsdb_lookup(type, id, adv_router, oi->lsdb);
}
} else {
if (v->magic & OSPFv3WWASTABLE) {
if (ospf6->lsdb->count)
lsa = ospf6_lsdb_lookup_next(
type, id, adv_router, ospf6->lsdb);
} else if (v->magic & OSPFv3WWAREATABLE)
for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) {
if (oa->area_id < area_id)
continue;
if (oa->lsdb->count)
lsa = ospf6_lsdb_lookup_next(
type, id, adv_router, oa->lsdb);
if (lsa)
break;
type = 0;
id = 0;
adv_router = 0;
}
else if (v->magic & OSPFv3WWLINKTABLE) {
/* We build a sorted list of interfaces */
ifslist = list_new();
ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
FOR_ALL_INTERFACES (vrf, iif)
listnode_add_sort(ifslist, iif);
for (ALL_LIST_ELEMENTS_RO(ifslist, node, iif)) {
if (!iif->ifindex)
continue;
oi = iif->info;
if (!oi)
continue;
if (iif->ifindex < ifindex)
continue;
if (oi->instance_id < instid)
continue;
if (oi->lsdb->count)
lsa = ospf6_lsdb_lookup_next(
type, id, adv_router, oi->lsdb);
if (lsa)
break;
type = 0;
id = 0;
adv_router = 0;
oi = NULL;
}
list_delete_all_node(ifslist);
list_delete(&ifslist);
}
}
if (!lsa)
return NULL;
/* Add indexes */
if (v->magic & OSPFv3WWASTABLE) {
*length = v->namelen + 3;
offset = name + v->namelen;
} else if (v->magic & OSPFv3WWAREATABLE) {
*length = v->namelen + 4;
offset = name + v->namelen;
*offset = ntohl(oa->area_id);
offset++;
} else if (v->magic & OSPFv3WWLINKTABLE) {
*length = v->namelen + 5;
offset = name + v->namelen;
*offset = oi->interface->ifindex;
offset++;
*offset = oi->instance_id;