find_gw() { route -n | awk '$1 == "0.0.0.0" { print $2; exit }' } scan_pptp() { config_set "$1" device "pptp-$1" } stop_interface_pptp() { stop_interface_ppp "$1" for ip in $(uci_get_state network "$1" serv_addrs); do route del -host "$ip" 2>/dev/null done } 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 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 $module 2>&- >&- done sleep 1 local gw="$(find_gw)" [ -n "$gw" ] && { local serv_addrs="" for ip in $(resolveip -4 -t 3 "$server"); do append serv_addrs "$ip" route delete -host "$ip" 2>/dev/null route add -host "$ip" gw "$gw" done uci_toggle_state network "$config" serv_addrs "$serv_addrs" } # 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 }