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 coldplug_interface_pptp() {
  10         setup_interface_pptp "pptp-$1" "$1"
  11 }
  12
  13 setup_interface_pptp() {
  14         local config="$2"
  15         local ifname
  16
  17         config_get device "$config" device
  18         config_get ipproto "$config" ipproto
  19         config_get server "$config" server
  20
  21         for module in slhc ppp_generic ppp_async ip_gre; do
  22                 /sbin/insmod $module 2>&- >&-
  23         done
  24         sleep 1
  25
  26         setup_interface "$device" "$config" "${ipproto:-dhcp}"
  27         local gw="$(find_gw)"
  28         [ -n "$gw" ] && {
  29                 route delete "$server" 2>/dev/null >/dev/null
  30                 route add "$server" gw "$gw"
  31         }
  32
  33         # fix up the netmask
  34         config_get netmask "$config" netmask
  35         [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask
  36
  37         config_get mtu "$config" mtu
  38         mtu=${mtu:-1452}
  39         start_pppd "$config" \
  40                 pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd" \
  41                 file /etc/ppp/options.pptp \
  42                 mtu $mtu mru $mtu
  43 }