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/* $OpenBSD: logmsg.c,v 1.1 2016/09/02 17:59:58 benno Exp $ */
/*
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "eigrpd.h"
#include "rde.h"
#include "log.h"
#define NUM_LOGS 4
const char *
log_sockaddr(void *vp)
{
static char buf[NUM_LOGS][NI_MAXHOST];
static int round = 0;
struct sockaddr *sa = vp;
round = (round + 1) % NUM_LOGS;
if (getnameinfo(sa, sa->sa_len, buf[round], NI_MAXHOST, NULL, 0,
NI_NUMERICHOST))
return ("(unknown)");
else
return (buf[round]);
}
const char *
log_in6addr(const struct in6_addr *addr)
{
struct sockaddr_in6 sa_in6;
memset(&sa_in6, 0, sizeof(sa_in6));
sa_in6.sin6_len = sizeof(sa_in6);
sa_in6.sin6_family = AF_INET6;
sa_in6.sin6_addr = *addr;
recoverscope(&sa_in6);
return (log_sockaddr(&sa_in6));
}
const char *
log_in6addr_scope(const struct in6_addr *addr, unsigned int ifindex)
{
struct sockaddr_in6 sa_in6;
memset(&sa_in6, 0, sizeof(sa_in6));
sa_in6.sin6_len = sizeof(sa_in6);
sa_in6.sin6_family = AF_INET6;
sa_in6.sin6_addr = *addr;
addscope(&sa_in6, ifindex);
return (log_sockaddr(&sa_in6));
}
const char *
log_addr(int af, union eigrpd_addr *addr)
{
static char buf[NUM_LOGS][INET6_ADDRSTRLEN];
static int round = 0;
switch (af) {
case AF_INET:
round = (round + 1) % NUM_LOGS;
if (inet_ntop(AF_INET, &addr->v4, buf[round],
sizeof(buf[round])) == NULL)
return ("???");
return (buf[round]);
case AF_INET6:
return (log_in6addr(&addr->v6));
default:
break;
}
return ("???");
}
const char *
log_prefix(struct rt_node *rn)
{
static char buf[64];
if (snprintf(buf, sizeof(buf), "%s/%u", log_addr(rn->eigrp->af,
&rn->prefix), rn->prefixlen) == -1)
return ("???");
return (buf);
}
const char *
log_route_origin(int af, struct rde_nbr *nbr)
{
if (nbr->flags & F_RDE_NBR_SELF) {
if (nbr->flags & F_RDE_NBR_REDIST)
return ("redistribute");
if (nbr->flags & F_RDE_NBR_SUMMARY)
return ("summary");
else
return ("connected");
}
return (log_addr(af, &nbr->addr));
}
const char *
opcode_name(uint8_t opcode)
{
switch (opcode) {
case EIGRP_OPC_UPDATE:
return ("UPDATE");
case EIGRP_OPC_REQUEST:
return ("REQUEST");
case EIGRP_OPC_QUERY:
return ("QUERY");
case EIGRP_OPC_REPLY:
return ("REPLY");
case EIGRP_OPC_HELLO:
return ("HELLO");
case EIGRP_OPC_PROBE:
return ("PROBE");
case EIGRP_OPC_SIAQUERY:
return ("SIAQUERY");
case EIGRP_OPC_SIAREPLY:
return ("SIAREPLY");
default:
return ("UNKNOWN");
}
}
const char *
af_name(int af)
{
switch (af) {
case AF_INET:
return ("ipv4");
case AF_INET6:
return ("ipv6");
default:
return ("UNKNOWN");
}
}
const char *
if_type_name(enum iface_type type)
{
switch (type) {
case IF_TYPE_POINTOPOINT:
return ("POINTOPOINT");
case IF_TYPE_BROADCAST:
return ("BROADCAST");
default:
return ("UNKNOWN");
}
}
const char *
dual_state_name(int state)
{
switch (state) {
case DUAL_STA_PASSIVE:
return ("PASSIVE");
case DUAL_STA_ACTIVE0:
return ("ACTIVE(Oij=0)");
case DUAL_STA_ACTIVE1:
return ("ACTIVE(Oij=1)");
case DUAL_STA_ACTIVE2:
return ("ACTIVE(Oij=2)");
case DUAL_STA_ACTIVE3:
return ("ACTIVE(Oij=3)");
default:
return ("UNKNOWN");
}
}
const char *
ext_proto_name(int proto)
{
switch (proto) {
case EIGRP_EXT_PROTO_IGRP:
return ("IGRP");
case EIGRP_EXT_PROTO_EIGRP:
return ("EIGRP");
case EIGRP_EXT_PROTO_STATIC:
return ("Static");
case EIGRP_EXT_PROTO_RIP:
return ("RIP");
case EIGRP_EXT_PROTO_HELLO:
return ("HELLO");
case EIGRP_EXT_PROTO_OSPF:
return ("OSPF");
case EIGRP_EXT_PROTO_ISIS:
return ("ISIS");
case EIGRP_EXT_PROTO_EGP:
return ("EGP");
case EIGRP_EXT_PROTO_BGP:
return ("BGP");
case EIGRP_EXT_PROTO_IDRP:
return ("IDRP");
case EIGRP_EXT_PROTO_CONN:
return ("Connected");
default:
return ("UNKNOWN");
}
}
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