package/pptp/files/pptp.sh

   1 scan_pptp() {
   2         scan_ppp "$@"
   3 }
   4
   5 find_gw() {
   6         route -n | awk '$1 == "0.0.0.0" { print $2; exit }'
   7 }
   8
   9
  10 setup_interface_pptp() {
  11         local config="$2"
  12         local ifname
  13
  14         config_get device "$config" device
  15         config_get ipproto "$config" ipproto
  16         config_get server "$config" server
  17
  18         for module in slhc ppp_generic ppp_async ip_gre; do
  19                 /sbin/insmod $module 2>&- >&-
  20         done
  21         sleep 1
  22
  23         setup_interface "$device" "$config" "${ipproto:-dhcp}"
  24         local gw="$(find_gw)"
  25         [ -n "$gw" ] && {
  26                 route delete "$server" 2>/dev/null >/dev/null
  27                 route add "$server" gw "$gw"
  28         }
  29
  30         # fix up the netmask
  31         config_get netmask "$config" netmask
  32         [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask
  33
  34         # make sure the network state references the correct ifname
  35         scan_ppp "$config"
  36         config_get ifname "$config" ifname
  37         uci_set_state network "$config" ifname "$ifname"
  38
  39         config_get mtu "$config" mtu
  40         mtu=${mtu:-1452}
  41         start_pppd "$config" \
  42                 pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd" \
  43                 file /etc/ppp/options.pptp \
  44                 mtu $mtu mru $mtu
  45 }