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#!/bin/sh
# this is a script which is executed after connecting the ppp interface.
# look at man pppd for details
# the followings parameters are available:
# $1 = interface-name
# $2 = tty-device
# $3 = speed
# $4 = local-IP-address
# $5 = remote-IP-address
# $6 = ipparam
if [ "$USEPEERDNS" ]; then
# add the server supplied DNS entries to /etc/resolv.conf
# (taken from debian's 0000usepeerdns)
# follow any symlink to find the real file
REALRESOLVCONF=$(readlink --canonicalize /etc/resolv.conf)
if [ "$REALRESOLVCONF" != "/etc/ppp/resolv.conf" ]; then
# merge the new nameservers with the other options from the old configuration
{
grep --invert-match '^nameserver[[:space:]]' $REALRESOLVCONF
cat /etc/ppp/resolv.conf
} > $REALRESOLVCONF.tmp
# backup the old configuration and install the new one
cp -dpP $REALRESOLVCONF $REALRESOLVCONF.pppd-backup
mv $REALRESOLVCONF.tmp $REALRESOLVCONF
# correct permissions
chmod 0644 /etc/resolv.conf
chown root:root /etc/resolv.conf
fi
fi
[ -f /etc/ppp/ip-up.local ] && . /etc/ppp/ip-up.local "$@"
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