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#!/bin/sh
# $Id: testgetifaddr.sh,v 1.8 2025/04/09 22:49:37 nanard Exp $
OS=`uname -s`
case $OS in
*BSD | Darwin | SunOS)
NS="`command -v netstat`" || exit 1
IFCONFIG="`command -v ifconfig`" || exit 1
EXTIF="`$NS -r -f inet | grep 'default' | awk '{ print $NF }' `" || exit 1
EXTIP="`$IFCONFIG $EXTIF | awk '/inet / { print $2 }' `"
;;
*)
# linux
IP="`command -v ip`" || exit 1
EXTIF="`LC_ALL=C $IP -4 route | grep 'default' | sed -e 's/.*dev[[:space:]]*//' -e 's/[[:space:]].*//'`" || exit 1
EXTIF="`LC_ALL=C $IP -4 addr show $EXTIF | awk '/[0-9]+:/ { print $2; exit 0 }' | cut -d ":" -f 1`"
EXTIP="`LC_ALL=C $IP -4 addr show $EXTIF | awk '/inet/ { print $2; exit 0 }' | cut -d "/" -f 1`"
;;
esac
#echo "Interface : $EXTIF IP address : $EXTIP"
STATUS=`./testgetifaddr $EXTIF | grep status | sed 's/^.*status : \(.*\)/\1/'` || exit 1
RES=`./testgetifaddr $EXTIF | grep 'has IP address' | sed 's/Interface .* has IP address \(.*\)\./\1/'` || exit 1
if [ "$RES" != "$EXTIP" ] ; then
echo "testgetifaddr test FAILED : $EXTIP != $RES"
exit 1
elif [ "$STATUS" != "Connected" ] ; then
echo "testgetifaddr test FAILED : status is $STATUS"
exit 1
else
echo "testgetifaddr test OK"
exit 0
fi
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