#!/bin/sh
set -e

everything() {

# install /etc/ppp/pap-secrets and /etc/ppp/chap-secrets from templates,
# if necessary
for file in pap-secrets chap-secrets; do
  if [ -f /etc/ppp/$file ]; then
    TAG=$(head --lines=1 /etc/ppp/$file)
    if [ "$TAG" = "#GENERATED-BY-DEBIAN-INSTALLER#" ]; then
      (sed -e "s/-HOSTNAME-/$HOST/g" /usr/share/ppp/$file; \
        cat /etc/ppp/$file) > /etc/ppp/$file.tmp
      mv /etc/ppp/$file.tmp /etc/ppp/$file
    fi
  else
    sed -e "s/-HOSTNAME-/$HOST/g" < /usr/share/ppp/$file > /etc/ppp/$file
  fi
  chmod 600 /etc/ppp/$file
done

# install template provider files
if [ ! -f /etc/ppp/peers/provider ]; then
  install -g dip -m 640 /usr/share/ppp/provider.peer \
			/etc/ppp/peers/provider
fi
if [ ! -f /etc/chatscripts/provider ]; then
  install -g dip -m 640 /usr/share/ppp/provider.chatscript \
			/etc/chatscripts/provider
fi

# fix the log files permissions
LOG_FILES="/var/log/ppp.log /var/log/ppp-connect-errors"
for file in $LOG_FILES; do
  [ -e $file ] || continue
  chown root:adm $file
  chmod 640 $file
done

# Clean up after ppp-dns service removal
if dpkg --compare-versions "$2" le-nl "2.4.8-1+2~"; then
  rm -f /lib/systemd/system/pppd-dns.service.dpkg-bak
  deb-systemd-helper purge pppd-dns.service >/dev/null
  deb-systemd-helper unmask pppd-dns.service >/dev/null
  update-rc.d -f pppd-dns remove
fi

}

case "$1" in
    configure)
	everything "$@"
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
    echo "postinst called with unknown argument '$1'" >&2
    exit 1
    ;;
esac

# Automatically added by dh_installdeb/13.24.1ubuntu2
dpkg-maintscript-helper rm_conffile /etc/init.d/pppd-dns 2.4.8-1\+1\~exp1\~ -- "$@"
# End automatically added section


exit 0