package/6in4/files/6in4.hotplug

   1 #!/bin/sh
   2
   3 if [ "$ACTION" = ifup ]; then
   4         . /etc/functions.sh
   5
   6         include /lib/network
   7         scan_interfaces
   8
   9         update_tunnel() {
  10                 local cfg="$1"
  11
  12                 local proto
  13                 config_get proto "$cfg" proto
  14                 [ "$proto" = 6in4 ] || return 0
  15
  16                 local wandev
  17                 config_get wandev "$cfg" wan_device "$(find_6in4_wanif)"
  18                 [ "$wandev" = "$DEVICE" ] || return 0
  19
  20                 local oldip
  21                 local wanip=$(find_6in4_wanip "$wandev")
  22                 config_get oldip "$cfg" ipaddr
  23
  24                 [ -n "$wanip" ] && [ "$oldip" != "$wanip" ] && {
  25                         local tunnelid
  26                         config_get tunnelid "$cfg" tunnelid
  27
  28                         local username
  29                         config_get username "$cfg" username
  30
  31                         local password
  32                         config_get password "$cfg" password
  33
  34                         [ -n "$tunnelid" ] && [ -n "$username" ] && [ -n "$password" ] && {
  35                                 [ "${#password}" == 32 -a -z "${password//[a-f0-9]/}" ] && {
  36                                         password="$(echo -n "$password" | md5sum)"; password="${password%% *}"
  37                                 }
  38                                 uci_set_state network "$cfg" ipaddr "$wanip"
  39
  40                                 ( wget -qO/dev/null "http://ipv4.tunnelbroker.net/ipv4_end.php?ipv4b=AUTO&user_id=$username&pass=$password&tunnel_id=$tunnelid" && ifup "$cfg" )&
  41                         }
  42                 }
  43         }
  44
  45         config_foreach update_tunnel interface
  46 fi