/*
* "Notification" handler for implementing NOTIFICATION-MIB
* (presumably)
*/
int notification_handler(netsnmp_pdu *pdu,
netsnmp_transport *transport,
netsnmp_trapd_handler *handler)
{
DEBUGMSGTL(( "snmptrapd", "notification_handler\n"));
log_notification(pdu, transport);
return NETSNMPTRAPD_HANDLER_OK;
}
int
send_notifications(int major, int minor, void *serverarg, void *clientarg)
{
struct header_complex_index *hptr;
struct snmpNotifyTable_data *nptr;
netsnmp_session *sess, *sptr;
netsnmp_pdu *template_pdu = (netsnmp_pdu *) serverarg;
int count = 0, send = 0;
DEBUGMSGTL(("send_notifications", "starting: pdu=%p, vars=%p\n",
template_pdu, template_pdu->variables));
for (hptr = snmpNotifyTableStorage; hptr; hptr = hptr->next) {
nptr = (struct snmpNotifyTable_data *) hptr->data;
if (nptr->snmpNotifyRowStatus != RS_ACTIVE)
continue;
if (!nptr->snmpNotifyTag)
continue;
sess = get_target_sessions(nptr->snmpNotifyTag, NULL, NULL);
/*
* filter appropriately, per section 6 of RFC 3413
*/
for (sptr = sess; sptr; sptr = sptr->next) {
send = 0;
#ifndef NETSNMP_DISABLE_SNMPV1
if (sptr->version == SNMP_VERSION_1 &&
minor == SNMPD_CALLBACK_SEND_TRAP1) {
send = 1;
} else
#endif
if ((sptr->version == SNMP_VERSION_3
#ifndef NETSNMP_DISABLE_SNMPV2C
|| sptr->version == SNMP_VERSION_2c
#endif
) && minor == SNMPD_CALLBACK_SEND_TRAP2) {
if (nptr->snmpNotifyType == SNMPNOTIFYTYPE_INFORM) {
template_pdu->command = SNMP_MSG_INFORM;
} else {
template_pdu->command = SNMP_MSG_TRAP2;
}
send = 1;
}
if (send && sess->paramName) {
int filter = _checkFilter(sess->paramName, template_pdu);
if (filter)
send = 0;
}
if (send) {
send_trap_to_sess(sptr, template_pdu);
++count;
} /* session to send to */
} /* for(sptr) */
} /* for(hptr) */
DEBUGMSGTL(("send_notifications", "sent %d notifications\n", count));
#ifdef USING_NOTIFICATION_LOG_MIB_NOTIFICATION_LOG_MODULE
if (count)
log_notification(template_pdu, NULL);
#endif
return 0;
}