package/pptp/files/pptp.sh

   1 find_gw() {
   2         route -n | awk '$1 == "0.0.0.0" { print $2; exit }'
   3 }
   4
   5 stop_interface_pptp() {
   6         stop_interface_ppp "$1"
   7 }
   8
   9 setup_interface_pptp() {
  10         local config="$2"
  11         local ifname
  12
  13         config_get device "$config" device
  14         config_get ipproto "$config" ipproto
  15         config_get server "$config" server
  16
  17         for module in slhc ppp_generic ppp_async ip_gre; do
  18                 /sbin/insmod $module 2>&- >&-
  19         done
  20         sleep 1
  21
  22         setup_interface "$device" "$config" "${ipproto:-dhcp}"
  23         local gw="$(find_gw)"
  24         [ -n "$gw" ] && {
  25                 route delete "$server" 2>/dev/null >/dev/null
  26                 route add "$server" gw "$gw"
  27         }
  28
  29         # fix up the netmask
  30         config_get netmask "$config" netmask
  31         [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask
  32
  33         config_get mtu "$config" mtu
  34         mtu=${mtu:-1452}
  35         start_pppd "$config" \
  36                 pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd" \
  37                 file /etc/ppp/options.pptp \
  38                 mtu $mtu mru $mtu
  39 }