diff options
Diffstat (limited to 'agent/mibgroup/smux/snmp_ospf.c')
-rw-r--r-- | agent/mibgroup/smux/snmp_ospf.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/agent/mibgroup/smux/snmp_ospf.c b/agent/mibgroup/smux/snmp_ospf.c new file mode 100644 index 0000000..38c87b8 --- /dev/null +++ b/agent/mibgroup/smux/snmp_ospf.c @@ -0,0 +1,282 @@ +/* + * $Id: snmp_ospf.c 6918 2002-04-20 07:30:29Z hardaker $ + */ + +/* + * 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, RWRITE, var_ospf, 3, {1, 1, 1}}, + {ospfAdminStat, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 2}}, + {ospfVersionNumber, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 3}}, + {ospfAreaBdrRtrStatus, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 4}}, + {ospfASBdrRtrStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 5}}, + {ospfExternLsaCount, ASN_GAUGE, RONLY, var_ospf, 3, {1, 1, 6}}, + {ospfExternLsaCksumSum, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 7}}, + {ospfTOSSupport, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 8}}, + {ospfOriginateNewLsas, ASN_COUNTER, RONLY, var_ospf, 3, {1, 1, 9}}, + {ospfRxNewLsas, ASN_COUNTER, RONLY, var_ospf, 3, {1, 1, 10, 0}}, + {ospfExtLsdbLimit, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 11}}, + {ospfMulticastExtensions, ASN_INTEGER, RWRITE, var_ospf, 3, + {1, 1, 12}}, + {ospfAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {2, 1, 1}}, + {ospfAuthType, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 2}}, + {ospfImportAsExtern, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 3}}, + {ospfSpfRuns, ASN_COUNTER, RONLY, var_ospf, 3, {2, 1, 4}}, + {ospfAreaBdrRtrCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 5}}, + {ospfAsBdrRtrCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 6}}, + {ospfAreaLsaCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 7}}, + {ospfAreaLsaCksumSum, ASN_INTEGER, RONLY, var_ospf, 3, {2, 1, 8}}, + {ospfAreaSummary, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 9}}, + {ospfAreaStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 10}}, + {ospfStubAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {3, 1, 1}}, + {ospfStubTOS, ASN_INTEGER, RONLY, var_ospf, 3, {3, 1, 2}}, + {ospfStubMetric, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 3}}, + {ospfStubStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 4}}, + {ospfStubMetricType, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 5}}, + {ospfLsdbAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 1}}, + {ospfLsdbType, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 2}}, + {ospfLsdbLsid, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 3}}, + {ospfLsdbRouterId, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 4}}, + {ospfLsdbSequence, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 5}}, + {ospfLsdbAge, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 6}}, + {ospfLsdbChecksum, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 7}}, + {ospfLsdbAdvertisement, ASN_OCTET_STR, RONLY, var_ospf, 3, {4, 1, 8}}, + {ospfAreaRangeAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {5, 1, 1}}, + {ospfAreaRangeNet, ASN_IPADDRESS, RONLY, var_ospf, 3, {5, 1, 2}}, + {ospfAreaRangeMask, ASN_IPADDRESS, RWRITE, var_ospf, 3, {5, 1, 3}}, + {ospfAreaRangeStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {5, 1, 4}}, + {ospfAreaRangeEffect, ASN_INTEGER, RWRITE, var_ospf, 3, {5, 1, 5}}, + {ospfHostIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {6, 1, 1}}, + {ospfHostTOS, ASN_INTEGER, RONLY, var_ospf, 3, {6, 1, 2}}, + {ospfHostMetric, ASN_INTEGER, RWRITE, var_ospf, 3, {6, 1, 3}}, + {ospfHostStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {6, 1, 4}}, + {ospfHostAreaID, ASN_IPADDRESS, RONLY, var_ospf, 3, {6, 1, 5}}, + {ospfIfIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {7, 1, 1}}, + {ospfAddressLessIf, ASN_INTEGER, RONLY, var_ospf, 3, {7, 1, 2}}, + {ospfIfAreaId, ASN_IPADDRESS, RWRITE, var_ospf, 3, {7, 1, 3}}, + {ospfIfType, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 4}}, + {ospfIfAdminStat, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 5}}, + {ospfIfRtrPriority, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 6}}, + {ospfIfTransitDelay, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 7}}, + {ospfIfRetransInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 8}}, + {ospfIfHelloInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 9}}, + {ospfIfRtrDeadInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 10}}, + {ospfIfPollInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 11}}, + {ospfIfState, ASN_INTEGER, RONLY, var_ospf, 3, {7, 1, 12}}, + {ospfIfDesignatedRouter, ASN_IPADDRESS, RONLY, var_ospf, 3, + {7, 1, 13}}, + {ospfIfBackupDesignatedRouter, ASN_IPADDRESS, RONLY, var_ospf, 3, + {7, 1, 14}}, + {ospfIfEvents, ASN_COUNTER, RONLY, var_ospf, 3, {7, 1, 15}}, + {ospfIfAuthKey, ASN_OCTET_STR, RWRITE, var_ospf, 3, {7, 1, 16}}, + {ospfIfStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 17}}, + {ospfIfMulticastForwarding, ASN_INTEGER, RWRITE, var_ospf, 3, + {7, 1, 18}}, + {ospfIfMetricIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {8, 1, 1}}, + {ospfIfMetricAddressLessIf, ASN_INTEGER, RONLY, var_ospf, 3, + {8, 1, 2}}, + {ospfIfMetricTOS, ASN_INTEGER, RONLY, var_ospf, 3, {8, 1, 3}}, + {ospfIfMetricValue, ASN_INTEGER, RWRITE, var_ospf, 3, {8, 1, 4}}, + {ospfIfMetricStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {8, 1, 5}}, + {ospfVirtIfAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {9, 1, 1}}, + {ospfVirtIfNeighbor, ASN_IPADDRESS, RONLY, var_ospf, 3, {9, 1, 2}}, + {ospfVirtIfTransitDelay, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 3}}, + {ospfVirtIfRetransInterval, ASN_INTEGER, RWRITE, var_ospf, 3, + {9, 1, 4}}, + {ospfVirtIfHelloInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 5}}, + {ospfVirtIfRtrDeadInterval, ASN_INTEGER, RWRITE, var_ospf, 3, + {9, 1, 6}}, + {ospfVirtIfState, ASN_INTEGER, RONLY, var_ospf, 3, {9, 1, 7}}, + {ospfVirtIfEvents, ASN_COUNTER, RONLY, var_ospf, 3, {9, 1, 8}}, + {ospfVirtIfAuthKey, ASN_OCTET_STR, RWRITE, var_ospf, 3, {9, 1, 9}}, + {ospfVirtIfStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 10}}, + {ospfNbrIpAddr, ASN_IPADDRESS, RONLY, var_ospf, 3, {10, 1, 1}}, + {ospfNbrAddressLessIndex, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 2}}, + {ospfNbrRtrId, ASN_IPADDRESS, RONLY, var_ospf, 3, {10, 1, 3}}, + {ospfNbrOptions, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 4}}, + {ospfNbrPriority, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 5}}, + {ospfNbrState, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 6}}, + {ospfNbrEvents, ASN_COUNTER, RONLY, var_ospf, 3, {10, 1, 7}}, + {ospfNbrLsRetransQLen, ASN_GAUGE, RONLY, var_ospf, 3, {10, 1, 8}}, + {ospfNbmaNbrStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 9}}, + {ospfNbmaNbrPermanence, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 10}}, + {ospfVirtNbrArea, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 1}}, + {ospfVirtNbrRtrId, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 2}}, + {ospfVirtNbrIpAddr, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 3}}, + {ospfVirtNbrOptions, ASN_INTEGER, RONLY, var_ospf, 3, {11, 1, 4}}, + {ospfVirtNbrState, ASN_INTEGER, RONLY, var_ospf, 3, {11, 1, 5}}, + {ospfVirtNbrEvents, ASN_COUNTER, RONLY, var_ospf, 3, {11, 1, 6}}, + {ospfVirtNbrLsRetransQLen, ASN_GAUGE, RONLY, var_ospf, 3, {11, 1, 7}}, + {ospfExtLsdbType, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 1}}, + {ospfExtLsdbLsid, ASN_IPADDRESS, RONLY, var_ospf, 3, {12, 1, 2}}, + {ospfExtLsdbRouterId, ASN_IPADDRESS, RONLY, var_ospf, 3, {12, 1, 3}}, + {ospfExtLsdbSequence, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 4}}, + {ospfExtLsdbAge, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 5}}, + {ospfExtLsdbChecksum, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 6}}, + {ospfExtLsdbAdvertisement, ASN_OCTET_STR, RONLY, var_ospf, 3, + {12, 1, 7}}, + {ospfAreaAggregateAreaID, ASN_IPADDRESS, RONLY, var_ospf, 3, + {14, 1, 1}}, + {ospfAreaAggregateLsdbType, ASN_INTEGER, RONLY, var_ospf, 3, + {14, 1, 2}}, + {ospfAreaAggregateNet, ASN_IPADDRESS, RONLY, var_ospf, 3, {14, 1, 3}}, + {ospfAreaAggregateMask, ASN_IPADDRESS, RWRITE, var_ospf, 3, + {14, 1, 4}}, + {ospfAreaAggregateStatus, ASN_INTEGER, RWRITE, var_ospf, 3, + {14, 1, 5}}, + {ospfAreaAggregateEffect, ASN_INTEGER, RWRITE, var_ospf, 3, {14, 1, 6}} +}; + +oid ospf_variables_oid[] = { MIB, 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; + } +} |