find_gw() { route -n | awk '$1 == "0.0.0.0" { print $2; exit }' } stop_interface_pptp() { stop_interface_ppp "$1" } coldplug_interface_pptp() { setup_interface_pptp "pptp-$1" "$1" } setup_interface_pptp() { local config="$2" local ifname local device config_get device "$config" device local ipproto config_get ipproto "$config" ipproto local server config_get server "$config" server local buffering config_get_bool buffering "$config" buffering 1 [ "$buffering" == 0 ] && buffering="--nobuffer" || buffering= for module in slhc ppp_generic ppp_async ip_gre; do /sbin/insmod $module 2>&- >&- done sleep 1 setup_interface "$device" "$config" "${ipproto:-dhcp}" local gw="$(find_gw)" [ -n "$gw" ] && { [ "$gw" != 0.0.0.0 ] && route delete "$server" 2>/dev/null >/dev/null route add "$server" gw "$gw" } # fix up the netmask config_get netmask "$config" netmask [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask config_get mtu "$config" mtu mtu=${mtu:-1452} start_pppd "$config" \ pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd $buffering" \ file /etc/ppp/options.pptp \ mtu $mtu mru $mtu }