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# -*-Shell-script-*-
#
# This file is not a stand-alone shell script; it provides functions
# to network scripts that source it.
# Set up a default search path.
PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin"
export PATH
need_config ()
{
[ -f "${CONFIG}" ] || CONFIG=../networking/default/${1}
[ -f "${CONFIG}" ] || CONFIG=../networking/default/ifcfg-${1}
[ -f "${CONFIG}" ] || CONFIG="ifcfg-${1}"
}
source_config ()
{
DEVNAME=`basename $CONFIG | sed 's/^ifcfg-//g'`
if basename $CONFIG | grep -q '[^g]-' ; 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
. $CONFIG
}
expand_config ()
{
if [ -z "${NETMASK}" ]; then
eval `/bin/ipcalc --netmask ${IPADDR}`
fi
if [ -z "${PREFIX}" ]; then
eval `/bin/ipcalc --prefix ${IPADDR} ${NETMASK}`
fi
if [ -z "${BROADCAST}" ]; then
eval `/bin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
fi
if [ -z "${NETWORK}" ]; then
eval `/bin/ipcalc --network ${IPADDR} ${NETMASK}`
fi
}
toggle_value ()
{
if [ "$2" = "yes" -o "$2" = "YES" ] ; then
echo "$1 on"
elif [ "$2" = "no" -o "$2" = "NO" ] ; then
echo "$1 off"
else
echo ''
fi
}
do_netreport ()
{
# Notify programs that have requested notification
( cd /var/run/netreport || exit
for i in * ; do
if [ -f $i ]; then
OWNER=`ls -l $i | awk '{ print $3 }'`
if [ "`id -u`" = "0" ]; then
su -s /bin/bash $OWNER -c "kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1" > /dev/null 2>&1
else
kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1
fi
fi
done
)
}
is_available ()
{
LC_ALL= LANG= ip -o link | grep -q $1
[ "$?" = "1" ] || return 0
alias=`modprobe -c | awk "/^alias $1 / { print \\$3 }"`
if [ -z "$alias" -o "$alias" = "off" ]; then
return 2
fi
modprobe $1 > /dev/null 2>&1 || return 1
return 0
}
need_hostname ()
{
CHECK_HOSTNAME=`hostname`
if [ "$CHECK_HOSTNAME" = "(none)" -o "$CHECK_HOSTNAME" = "localhost" -o \
"$CHECK_HOSTNAME" = "localhost.localdomain" ]; then
return 0
else
return 1
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 echo $1 | grep -q ':' ; then
if LC_ALL=C ifconfig -a 2>/dev/null | grep -q $1 ; then
return 1
else
return 0
fi
else
if LC_ALL=C ip -o link ls dev $1 2>/dev/null | grep -q ",UP" ; then
return 1
else
return 0
fi
fi
}
check_link_down ()
{
if [ -x /sbin/mii-tool ]; then
LC_ALL=C ip link show $1 2>/dev/null| grep -q UP || ip link set $1 up >/dev/null 2>&1
# wait for link to come up
sleep 2
/sbin/mii-tool >/dev/null 2>&1 || return 1
output=`LC_ALL=C /sbin/mii-tool $1 2>&1`
if echo $output | grep -q "Operation not supported"; then
return 1
elif echo $output | grep -q "Invalid argument"; then
return 1
elif echo $output | grep -q "link ok"; then
return 1
elif echo $output | grep -q "No MII transceiver present"; then
return 1
else
return 0
fi
fi
return 0
}
check_default_route ()
{
LC_ALL=C ip route list match 0/0 | grep -q default
}
find_gateway_dev ()
{
. /etc/sysconfig/network
if [ -n "${GATEWAY}" -a "${GATEWAY}" != "none" ] ; then
dev=`LC_ALL=C /sbin/ip route | \
grep ${GATEWAY} | \
sed -e 's/.* dev \([:alnum:]*\)/\1/'`
if [ -n "$dev" ]; then
GATEWAYDEV="$dev"
fi
fi
}
add_default_route ()
{
. /etc/sysconfig/network
check_default_route && return 0
find_gateway_dev
if [ "$GATEWAYDEV" != "" -a -n "${GATEWAY}" -a \
"${GATEWAY}" != "none" ]; then
if ! check_device_down $1; then
if [ "$GATEWAY" = "0.0.0.0" ]; then
/sbin/ip route add default dev ${GATEWAYDEV}
else
/sbin/ip route add default via ${GATEWAY}
fi
fi
elif [ -f /etc/default-route ]; then
/sbin/ip route add default via `cat /etc/default-route`
rm -f /etc/default-route
fi
}
is_wireless_device ()
{
[ -x /sbin/iwconfig ] || return 1
LC_ALL=C iwconfig $1 2>&1 | grep -q "no wireless extensions" || return 0
return 1
}
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