ipv6/tayga/files/tayga-proto.sh

   1 #!/bin/sh
   2 # tayga.sh - TAYGA proto
   3 # Copyright (c) 2014 OpenWrt.org
   4
   5 [ -n "$INCLUDE_ONLY" ] || {
   6         . /lib/functions.sh
   7         . /lib/functions/network.sh
   8         . ../netifd-proto.sh
   9         init_proto "$@"
  10 }
  11
  12 proto_tayga_setup() {
  13         local cfg="$1"
  14         local iface="$2"
  15         local link="tayga-$cfg"
  16
  17         local ipv4_addr ipv6_addr prefix dynamic_pool ipaddr ip6addr noroutes
  18         json_get_vars ipv4_addr ipv6_addr prefix dynamic_pool ipaddr ip6addr noroutes
  19         [ -z "$ipv4_addr" -o -z "$prefix" ] && {
  20                 proto_notify_error "$cfg" "REQUIRED_PARAMETERS_MISSING"
  21                 proto_block_restart "$cfg"
  22                 return
  23         }
  24
  25         local tmpconf="/var/etc/tayga-$cfg.conf"
  26         mkdir -p /var/etc
  27         mkdir -p /var/run/tayga/$cfg
  28
  29         echo "tun-device $link" >$tmpconf
  30         echo "ipv4-addr $ipv4_addr" >>$tmpconf
  31         [ -n "$ipv6_addr" ] &&
  32                 echo "ipv6-addr $ipv6_addr" >>$tmpconf
  33         [ -n "$prefix" ] &&
  34                 echo "prefix $prefix" >>$tmpconf
  35         [ -n "$dynamic_pool" ] &&
  36                 echo "dynamic-pool $dynamic_pool" >>$tmpconf
  37         echo "data-dir /var/run/tayga/$cfg" >>$tmpconf
  38         #TODO: Support static mapping of IPv4 <-> IPv6
  39
  40         # here we create TUN device and check configuration
  41         tayga -c $tmpconf --mktun
  42         [ "$?" -ne 0 ] && {
  43                 proto_notify_error "$cfg" "TAYGA_FAILED"
  44                 proto_block_restart "$cfg"
  45                 return
  46         }
  47
  48         proto_init_update "$link" 1
  49
  50         [ -n "$ipaddr" ]  && proto_add_ipv4_address "$ipaddr" "255.255.255.255"
  51         [ -n "$ip6addr" ] && proto_add_ipv6_address "$ip6addr" "128"
  52
  53         [ "$noroutes" != 1 ] && {
  54                 [ -n "$ipv6_addr" ] && proto_add_ipv6_route "$ipv6_addr" "128"
  55                 [ -n "$dynamic_pool" ] && {
  56                         local pool="${dynamic_pool%%/*}"
  57                         local mask="${dynamic_pool##*/}"
  58                         proto_add_ipv4_route "$pool" "$mask"
  59                 }
  60                 [ -n "$prefix" ] && {
  61                         local prefix6="${prefix%%/*}"
  62                         local mask6="${prefix##*/}"
  63                         proto_add_ipv6_route "$prefix6" "$mask6"
  64                 }
  65         }
  66
  67         proto_send_update "$cfg"
  68
  69         proto_run_command "$cfg" tayga -n -c $tmpconf \
  70                 -p /var/run/$link.pid
  71
  72 }
  73
  74 proto_tayga_teardown() {
  75         local cfg="$1"
  76         local tmpconf="/var/etc/tayga-$cfg.conf"
  77         proto_kill_command "$cfg"
  78         sleep 1
  79         tayga -c $tmpconf --rmtun
  80 }
  81
  82 proto_tayga_init_config() {
  83         no_device=1
  84         available=1
  85         proto_config_add_string "ipv4_addr"
  86         proto_config_add_string "ipv6_addr"
  87         proto_config_add_string "prefix"
  88         proto_config_add_string "dynamic_pool"
  89         proto_config_add_string "ipaddr"
  90         proto_config_add_string "ip6addr:ip6addr"
  91         proto_config_add_boolean "noroutes"
  92 }
  93
  94 [ -n "$INCLUDE_ONLY" ] || {
  95         add_protocol tayga
  96 }