package/network/config/ipip/files/ipip.sh

   1 #!/bin/sh
   2
   3 [ -n "$INCLUDE_ONLY" ] || {
   4         . /lib/functions.sh
   5         . /lib/functions/network.sh
   6         . ../netifd-proto.sh
   7         init_proto "$@"
   8 }
   9
  10 proto_ipip_setup() {
  11         local cfg="$1"
  12         local remoteip
  13
  14         local df ipaddr peeraddr tunlink ttl tos zone mtu
  15         json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu
  16
  17         [ -z "$peeraddr" ] && {
  18                 proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
  19                 proto_block_restart "$cfg"
  20                 return
  21         }
  22
  23         remoteip=$(resolveip -t 10 -4 "$peeraddr")
  24
  25         if [ -z "$remoteip" ]; then
  26                 proto_notify_error "$cfg" "PEER_RESOLVE_FAIL"
  27                 return
  28         fi
  29
  30         for ip in $remoteip; do
  31                 peeraddr=$ip
  32                 break
  33         done
  34
  35         ( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
  36
  37         [ -z "$ipaddr" ] && {
  38                 local wanif="$tunlink"
  39                 if [ -z $wanif ] && ! network_find_wan wanif; then
  40                         proto_notify_error "$cfg" "NO_WAN_LINK"
  41                         return
  42                 fi
  43
  44                 if ! network_get_ipaddr ipaddr "$wanif"; then
  45                         proto_notify_error "$cfg" "NO_WAN_LINK"
  46                         return
  47                 fi
  48         }
  49
  50         proto_init_update "ipip-$cfg" 1
  51
  52         proto_add_tunnel
  53         json_add_string mode "ipip"
  54         json_add_int mtu "${mtu:-1280}"
  55         json_add_int ttl "${ttl:-64}"
  56         [ -n "$tos" ] && json_add_string tos "$tos"
  57         json_add_string local "$ipaddr"
  58         json_add_string remote "$peeraddr"
  59         [ -n "$tunlink" ] && json_add_string link "$tunlink"
  60         json_add_boolean df "${df:-1}"
  61
  62         proto_close_tunnel
  63
  64         proto_add_data
  65         [ -n "$zone" ] && json_add_string zone "$zone"
  66         proto_close_data
  67
  68         proto_send_update "$cfg"
  69 }
  70
  71 proto_ipip_teardown() {
  72         local cfg="$1"
  73 }
  74
  75 proto_ipip_init_config() {
  76         no_device=1
  77         available=1
  78
  79         proto_config_add_int "mtu"
  80         proto_config_add_int "ttl"
  81         proto_config_add_string "tos"
  82         proto_config_add_string "tunlink"
  83         proto_config_add_string "zone"
  84         proto_config_add_string "ipaddr"
  85         proto_config_add_string "peeraddr"
  86         proto_config_add_boolean "df"
  87 }
  88
  89 [ -n "$INCLUDE_ONLY" ] || {
  90         add_protocol ipip
  91 }