package/pptp/files.old/pptp.sh

   1 find_route() {
   2         ip route get $1 | sed -e 's/ /\n/g' | \
   3             sed -ne '1p;/via/{N;p};/dev/{N;p};/src/{N;p};/mtu/{N;p}'
   4 }
   5
   6 scan_pptp() {
   7         config_set "$1" device "pptp-$1"
   8 }
   9
  10 stop_interface_pptp() {
  11         stop_interface_ppp "$1"
  12         for ip in $(uci_get_state network "$1" serv_addrs); do
  13                 ip route del "$ip" 2>/dev/null
  14         done
  15 }
  16
  17 coldplug_interface_pptp() {
  18         setup_interface_pptp "pptp-$1" "$1"
  19 }
  20
  21 setup_interface_pptp() {
  22         local config="$2"
  23         local ifname
  24
  25         local device
  26         config_get device "$config" device
  27
  28         local server
  29         config_get server "$config" server
  30
  31         local buffering
  32         config_get_bool buffering "$config" buffering 1
  33         [ "$buffering" == 0 ] && buffering="--nobuffer" || buffering=
  34
  35         for module in slhc ppp_generic ppp_async ip_gre; do
  36                 /sbin/insmod $module 2>&- >&-
  37         done
  38         sleep 1
  39
  40         local serv_addrs=""
  41         for ip in $(resolveip -t 3 "${server}"); do
  42                 append serv_addrs "$ip"
  43                 ip route replace $(find_route $ip)
  44         done
  45         uci_toggle_state network "$config" serv_addrs "$serv_addrs"
  46
  47         # fix up the netmask
  48         config_get netmask "$config" netmask
  49         [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask
  50
  51         config_get mtu "$config" mtu
  52         mtu=${mtu:-1452}
  53         start_pppd "$config" \
  54                 pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd $buffering" \
  55                 file /etc/ppp/options.pptp \
  56                 mtu $mtu mru $mtu
  57 }