system/etc/ppp/ip-up

   1 #!/system/bin/sh
   2 case $1 in
   3     ppp1)
   4         /android/bin/iptables --flush;
   5         /android/bin/iptables --table nat --flush;
   6         /android/bin/iptables --delete-chain;
   7         /android/bin/iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE;
   8         /android/bin/iptables --append FORWARD --in-interface ppp1 -j ACCEPT;
   9         echo 0 > /proc/sys/net/ipv4/ip_forward;
  10         echo 1 > /proc/sys/net/ipv4/ip_forward;
  11         echo $PPPD_PID > /etc/ppp/ppp1.pid;
  12         ;;
  13     ppp0)
  14         /system/bin/setprop "net.interfaces.defaultroute" "gprs";
  15         echo $PPPD_PID > /etc/ppp/ppp0.pid;
  16         ;;
  17 esac
  18
  19 # Use interface name if linkname is not available
  20 NAME=${LINKNAME:-"$1"}
  21
  22 /system/bin/setprop "net.$NAME.dns1" "$DNS1"
  23 /system/bin/setprop "net.$NAME.dns2" "$DNS2"
  24 /system/bin/setprop "net.$NAME.local-ip" "$IPLOCAL"
  25 /system/bin/setprop "net.$NAME.remote-ip" "$IPREMOTE"
  26 /system/bin/setprop "net.$NAME.gw" "$IPREMOTE"
  27