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# This is not a shell script; it provides functions to network scripts
# that source it.
source_config ()
{
DEVNAME=`basename $CONFIG | sed 's/^ifcfg-//g'`
if basename $CONFIG | grep '[^g]-' >/dev/null 2>&1 ; then
PARENTCONFIG=`echo $CONFIG | sed 's/-[^-]*$//g'`
PARENTDEVNAME=`basename $PARENTCONFIG | sed 's/^ifcfg-//g'`
[ -f $PARENTCONFIG ] || {
echo "Missing config file $PARENTCONFIG." >&2
exit 1
}
. $PARENTCONFIG
fi
. $CONFIG
}
toggle_value()
{
if [ -z "$2" ]
then
echo ''
elif [ "$2" = "yes" -o "$2" = "YES" ] ; then
echo "$1"
elif [ "$2" = "no" -o "$2" = "NO" ] ; then
echo "-$1"
else
echo ''
fi
}
do_netreport ()
{
# Notify programs that have requested notification
( cd /var/run/netreport || exit
for i in * ; do
[ -f $i ] && \
kill -SIGIO $i >/dev/null 2>&1 || \
rm -f $i >/dev/null 2>&1
done
)
}
need_hostname()
{
if [ "`hostname`" = "(none)" -o "`hostname`" = "localhost" -o \
"`hostname`" = "localhost.localdomain" ]; then
NEEDHOSTNAME=yes
else
unset NEEDHOSTNAME
fi
}
set_hostname()
{
hostname $1
if ! grep search /etc/resolv.conf >/dev/null 2>&1; then
domain=`echo $1 | sed 's/^[^\.]*\.//'`
echo "search $domain" >> /etc/resolv.conf
fi
}
check_device_down ()
{
if LANG=C ifconfig ${DEVICE} 2>/dev/null | grep " UP " >/dev/null 2>&1 ; then
retcode=1
else
retcode=0
fi
return $retcode
}
check_default_route ()
{
return `/sbin/route -n|gawk 'BEGIN{r=1} $3=="0.0.0.0" && $4=="UG" {r=0} END{print r}'`
}
find_gateway_dev ()
{
. /etc/sysconfig/network
if [ "${GATEWAY}" != "" -a "${GATEWAY}" != "none" ] ; then
export GATEWAY
networks=`/sbin/route -n|awk '{print $1, ENVIRON["GATEWAY"],$3,$8}'|awk '{system("ipcalc --silent --network "$2" "$3" 2>/dev/null")}'|sed s^NETWORK=^^g`
for net in $networks; do
dev=`/sbin/route -n|grep ^$net|awk '{print $NF}'`
if [ "$dev" != "" ] ; then
GATEWAYDEV=$dev
fi
done
fi
}
add_default_route ()
{
. /etc/sysconfig/network
find_gateway_dev
if [ "${GATEWAY}" != "" -a "${GATEWAY}" != "none" -a "${GATEWAYDEV}" != "" ] ; then
if ! check_device_down ; then
if [ "$GATEWAY" = "0.0.0.0" ]; then
/sbin/route add default ${GATEWAYDEV}
else
/sbin/route add default gw ${GATEWAY} ${GATEWAYDEV}
fi
fi
fi
}
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