| /* |
| * $Id$ |
| */ |
| |
| /* |
| * Smux module authored by Rohit Dube. |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| |
| #include <stdio.h> |
| #if HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #if HAVE_STRING_H |
| #include <string.h> |
| #else |
| #include <strings.h> |
| #endif |
| #if HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #if HAVE_ERR_H |
| #include <err.h> |
| #endif |
| #if TIME_WITH_SYS_TIME |
| # include <sys/time.h> |
| # include <time.h> |
| #else |
| # if HAVE_SYS_TIME_H |
| # include <sys/time.h> |
| # else |
| # include <time.h> |
| # endif |
| #endif |
| #include <errno.h> |
| #include <netdb.h> |
| |
| #include <sys/stat.h> |
| #include <sys/socket.h> |
| #if HAVE_SYS_FILIO_H |
| #include <sys/filio.h> |
| #endif |
| |
| #if HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include "smux.h" |
| #include "snmp_ospf.h" |
| |
| static oid max_ospf_mib[] = { 1, 3, 6, 1, 2, 1, 14, 14, 1, 6, 0 }; |
| static oid min_ospf_mib[] = |
| { 1, 3, 6, 1, 2, 1, 14, 1, 1, 0, 0, 0, 0 }; |
| extern u_char smux_type; |
| |
| struct variable13 ospf_variables[] = { |
| {ospfRouterId, ASN_IPADDRESS, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 1}}, |
| {ospfAdminStat, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 2}}, |
| {ospfVersionNumber, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 3}}, |
| {ospfAreaBdrRtrStatus, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 4}}, |
| {ospfASBdrRtrStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 5}}, |
| {ospfExternLsaCount, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 6}}, |
| {ospfExternLsaCksumSum, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 7}}, |
| {ospfTOSSupport, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 8}}, |
| {ospfOriginateNewLsas, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 9}}, |
| {ospfRxNewLsas, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {1, 1, 10, 0}}, |
| {ospfExtLsdbLimit, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 11}}, |
| {ospfMulticastExtensions, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {1, 1, 12}}, |
| {ospfAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 1}}, |
| {ospfAuthType, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {2, 1, 2}}, |
| {ospfImportAsExtern, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {2, 1, 3}}, |
| {ospfSpfRuns, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 4}}, |
| {ospfAreaBdrRtrCount, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 5}}, |
| {ospfAsBdrRtrCount, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 6}}, |
| {ospfAreaLsaCount, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 7}}, |
| {ospfAreaLsaCksumSum, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {2, 1, 8}}, |
| {ospfAreaSummary, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {2, 1, 9}}, |
| {ospfAreaStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {2, 1, 10}}, |
| {ospfStubAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {3, 1, 1}}, |
| {ospfStubTOS, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {3, 1, 2}}, |
| {ospfStubMetric, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {3, 1, 3}}, |
| {ospfStubStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {3, 1, 4}}, |
| {ospfStubMetricType, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {3, 1, 5}}, |
| {ospfLsdbAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 1}}, |
| {ospfLsdbType, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 2}}, |
| {ospfLsdbLsid, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 3}}, |
| {ospfLsdbRouterId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 4}}, |
| {ospfLsdbSequence, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 5}}, |
| {ospfLsdbAge, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 6}}, |
| {ospfLsdbChecksum, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 7}}, |
| {ospfLsdbAdvertisement, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {4, 1, 8}}, |
| {ospfAreaRangeAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {5, 1, 1}}, |
| {ospfAreaRangeNet, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {5, 1, 2}}, |
| {ospfAreaRangeMask, ASN_IPADDRESS, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {5, 1, 3}}, |
| {ospfAreaRangeStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {5, 1, 4}}, |
| {ospfAreaRangeEffect, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {5, 1, 5}}, |
| {ospfHostIpAddress, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {6, 1, 1}}, |
| {ospfHostTOS, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {6, 1, 2}}, |
| {ospfHostMetric, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {6, 1, 3}}, |
| {ospfHostStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {6, 1, 4}}, |
| {ospfHostAreaID, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {6, 1, 5}}, |
| {ospfIfIpAddress, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 1}}, |
| {ospfAddressLessIf, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 2}}, |
| {ospfIfAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 3}}, |
| {ospfIfType, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 4}}, |
| {ospfIfAdminStat, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 5}}, |
| {ospfIfRtrPriority, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 6}}, |
| {ospfIfTransitDelay, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 7}}, |
| {ospfIfRetransInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 8}}, |
| {ospfIfHelloInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 9}}, |
| {ospfIfRtrDeadInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 10}}, |
| {ospfIfPollInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 11}}, |
| {ospfIfState, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 12}}, |
| {ospfIfDesignatedRouter, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 13}}, |
| {ospfIfBackupDesignatedRouter, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 14}}, |
| {ospfIfEvents, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {7, 1, 15}}, |
| {ospfIfAuthKey, ASN_OCTET_STR, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 16}}, |
| {ospfIfStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 17}}, |
| {ospfIfMulticastForwarding, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {7, 1, 18}}, |
| {ospfIfMetricIpAddress, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {8, 1, 1}}, |
| {ospfIfMetricAddressLessIf, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {8, 1, 2}}, |
| {ospfIfMetricTOS, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {8, 1, 3}}, |
| {ospfIfMetricValue, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {8, 1, 4}}, |
| {ospfIfMetricStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {8, 1, 5}}, |
| {ospfVirtIfAreaId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {9, 1, 1}}, |
| {ospfVirtIfNeighbor, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {9, 1, 2}}, |
| {ospfVirtIfTransitDelay, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 3}}, |
| {ospfVirtIfRetransInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 4}}, |
| {ospfVirtIfHelloInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 5}}, |
| {ospfVirtIfRtrDeadInterval, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 6}}, |
| {ospfVirtIfState, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {9, 1, 7}}, |
| {ospfVirtIfEvents, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {9, 1, 8}}, |
| {ospfVirtIfAuthKey, ASN_OCTET_STR, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 9}}, |
| {ospfVirtIfStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {9, 1, 10}}, |
| {ospfNbrIpAddr, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 1}}, |
| {ospfNbrAddressLessIndex, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 2}}, |
| {ospfNbrRtrId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 3}}, |
| {ospfNbrOptions, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 4}}, |
| {ospfNbrPriority, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {10, 1, 5}}, |
| {ospfNbrState, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 6}}, |
| {ospfNbrEvents, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 7}}, |
| {ospfNbrLsRetransQLen, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {10, 1, 8}}, |
| {ospfNbmaNbrStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {10, 1, 9}}, |
| {ospfNbmaNbrPermanence, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {10, 1, 10}}, |
| {ospfVirtNbrArea, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 1}}, |
| {ospfVirtNbrRtrId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 2}}, |
| {ospfVirtNbrIpAddr, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 3}}, |
| {ospfVirtNbrOptions, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 4}}, |
| {ospfVirtNbrState, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 5}}, |
| {ospfVirtNbrEvents, ASN_COUNTER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 6}}, |
| {ospfVirtNbrLsRetransQLen, ASN_GAUGE, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {11, 1, 7}}, |
| {ospfExtLsdbType, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 1}}, |
| {ospfExtLsdbLsid, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 2}}, |
| {ospfExtLsdbRouterId, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 3}}, |
| {ospfExtLsdbSequence, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 4}}, |
| {ospfExtLsdbAge, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 5}}, |
| {ospfExtLsdbChecksum, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 6}}, |
| {ospfExtLsdbAdvertisement, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {12, 1, 7}}, |
| {ospfAreaAggregateAreaID, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {14, 1, 1}}, |
| {ospfAreaAggregateLsdbType, ASN_INTEGER, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {14, 1, 2}}, |
| {ospfAreaAggregateNet, ASN_IPADDRESS, NETSNMP_OLDAPI_RONLY, |
| var_ospf, 3, {14, 1, 3}}, |
| {ospfAreaAggregateMask, ASN_IPADDRESS, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {14, 1, 4}}, |
| {ospfAreaAggregateStatus, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {14, 1, 5}}, |
| {ospfAreaAggregateEffect, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE, |
| var_ospf, 3, {14, 1, 6}} |
| }; |
| |
| oid ospf_variables_oid[] = { NETSNMP_MIB2_OID, 14 }; |
| |
| void |
| init_snmp_ospf(void) |
| { |
| REGISTER_MIB("smux/snmp_ospf", ospf_variables, variable13, |
| ospf_variables_oid); |
| } |
| |
| u_char * |
| var_ospf(struct variable *vp, |
| oid * name, |
| int *length, int exact, int *var_len, WriteMethod ** write_method) |
| { |
| u_char *var; |
| int result; |
| |
| DEBUGMSGTL(("smux/snmp_ospf", |
| "[var_ospf] var len %d, oid requested Len %d-", *var_len, |
| *length)); |
| DEBUGMSGOID(("smux/snmp_ospf", name, *length)); |
| DEBUGMSG(("smux/snmp_ospf", "\n")); |
| |
| /* |
| * Pass on the request to Gated. |
| * If the request sent out was a get next, check to see if |
| * it lies in the ospf range. If it doesn't, return NULL. |
| * In either case, make sure that errors are checked on the |
| * returned packets. |
| */ |
| |
| /* |
| * No writes for now |
| */ |
| *write_method = NULL; |
| |
| /* |
| * Donot allow access to the peer stuff as it crashes gated. |
| * However A GetNext on the last 23.3.1.9 variable will force gated into |
| * the peer stuff and cause it to crash. |
| * The only way to fix this is to either solve the Gated problem, or |
| * remove the peer variables from Gated itself and cause it to return |
| * NULL at the crossing. Currently doing the later. |
| */ |
| |
| /* |
| * Reject GET and GETNEXT for anything above ospfifconf range |
| */ |
| result = snmp_oid_compare(name, *length, max_ospf_mib, |
| sizeof(max_ospf_mib) / sizeof(u_int)); |
| |
| if (result >= 0) { |
| DEBUGMSGTL(("smux/snmp_ospf", "Over shot\n")); |
| return NULL; |
| } |
| |
| /* |
| * for GETs we need to be in the ospf range so reject anything below |
| */ |
| result = snmp_oid_compare(name, *length, min_ospf_mib, |
| sizeof(min_ospf_mib) / sizeof(u_int)); |
| if (exact && (result < 0)) { |
| DEBUGMSGTL(("smux/snmp_ospf", |
| "Exact but doesn't match length %d, size %d\n", |
| *length, sizeof(min_ospf_mib))); |
| return NULL; |
| } |
| |
| /* |
| * On return, 'var' points to the value returned which is of length |
| * '*var_len'. 'name' points to the new (same as the one passed in for |
| * GETs) oid which has 'length' suboids. |
| * 'smux_type' contains the type of the variable. |
| */ |
| var = smux_snmp_process(exact, name, length, var_len); |
| |
| DEBUGMSGTL(("smux/snmp_ospf", |
| "[var_ospf] var len %d, oid obtained Len %d-", *var_len, |
| *length)); |
| DEBUGMSGOID(("smux/snmp_ospf", name, *length)); |
| DEBUGMSG(("smux/snmp_ospf", "\n")); |
| |
| vp->type = smux_type; |
| |
| /* |
| * XXX Need a mechanism to return errors in gated's responses |
| */ |
| |
| if (var == NULL) |
| return NULL; |
| |
| /* |
| * Any resullt returned should be within the ospf tree. |
| * ospf_mib - static u_int ospf_mib[] = {1, 3, 6, 1, 2, 1, 14}; |
| */ |
| if (memcmp(ospf_mib, name, sizeof(ospf_mib)) != 0) { |
| return NULL; |
| } else { |
| return var; |
| } |
| } |
