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="$1"
  12         local remoteip
  13
  14         local df ipaddr peeraddr tunlink ttl tos zone mtu
  15         json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu nohostroute
  16
  17         [ -z "$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         if [ "${nohostroute}" != "1" ]; then
  36                 ( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
  37         fi
  38
  39         [ -z "$ipaddr" ] && {
  40                 local wanif="$tunlink"
  41                 if [ -z $wanif ] && ! network_find_wan wanif; then
  42                         proto_notify_error "$cfg" "NO_WAN_LINK"
  43                         return
  44                 fi
  45
  46                 if ! network_get_ipaddr ipaddr "$wanif"; then
  47                         proto_notify_error "$cfg" "NO_WAN_LINK"
  48                         return
  49                 fi
  50         }
  51
  52         proto_init_update "ipip-$cfg" 1
  53
  54         proto_add_tunnel
  55         json_add_string mode "ipip"
  56         json_add_int mtu "${mtu:-1280}"
  57         json_add_int ttl "${ttl:-64}"
  58         [ -n "$tos" ] && json_add_string tos "$tos"
  59         json_add_string local "$ipaddr"
  60         json_add_string remote "$peeraddr"
  61         [ -n "$tunlink" ] && json_add_string link "$tunlink"
  62         json_add_boolean df "${df:-1}"
  63
  64         proto_close_tunnel
  65
  66         proto_add_data
  67         [ -n "$zone" ] && json_add_string zone "$zone"
  68         proto_close_data
  69
  70         proto_send_update "$cfg"
  71 }
  72
  73 proto_ipip_teardown() {
  74         local cfg="$1"
  75 }
  76
  77 proto_ipip_init_config() {
  78         no_device=1
  79         available=1
  80
  81         proto_config_add_int "mtu"
  82         proto_config_add_int "ttl"
  83         proto_config_add_string "tos"
  84         proto_config_add_string "tunlink"
  85         proto_config_add_string "zone"
  86         proto_config_add_string "ipaddr"
  87         proto_config_add_string "peeraddr"
  88         proto_config_add_boolean "df"
  89         proto_config_add_boolean "nohostroute"
  90 }
  91
  92 [ -n "$INCLUDE_ONLY" ] || {
  93         add_protocol ipip
  94 }