2 # dslite.sh - IPv4-in-IPv6 tunnel backend
3 # Copyright (c) 2013 OpenWrt.org
5 [ -n "$INCLUDE_ONLY" ] || {
7 . /lib/functions/network.sh
12 proto_dslite_setup() {
18 local mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
19 json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
21 [ -z "$peeraddr" ] && {
22 proto_notify_error "$cfg" "MISSING_ADDRESS"
23 proto_block_restart "$cfg"
27 ( proto_add_host_dependency "$cfg" "::" "$tunlink" )
29 remoteip6=$(resolveip -6 "$peeraddr")
30 if [ -z "$remoteip6" ]; then
32 remoteip6=$(resolveip -6 "$peeraddr")
33 if [ -z "$remoteip6" ]; then
34 proto_notify_error "$cfg" "AFTR_DNS_FAIL"
39 for ip6 in $remoteip6; do
44 [ -z "$ip6addr" ] && {
45 local wanif="$tunlink"
46 if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
47 proto_notify_error "$cfg" "NO_WAN_LINK"
51 if ! network_get_ipaddr6 ip6addr "$wanif"; then
52 [ -z "$weakif" ] && weakif="lan"
53 if ! network_get_ipaddr6 ip6addr "$weakif"; then
54 proto_notify_error "$cfg" "NO_WAN_LINK"
60 proto_init_update "$link" 1
61 proto_add_ipv4_route "0.0.0.0" 0
62 proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
65 json_add_string mode ipip6
66 json_add_int mtu "${mtu:-1280}"
67 json_add_int ttl "${ttl:-64}"
68 json_add_string local "$ip6addr"
69 json_add_string remote "$peeraddr"
70 [ -n "$tunlink" ] && json_add_string link "$tunlink"
71 json_add_object "data"
72 [ -n "$encaplimit" ] && json_add_string encaplimit "$encaplimit"
77 [ -n "$zone" ] && json_add_string zone "$zone"
79 json_add_array firewall
81 json_add_string type nat
82 json_add_string target ACCEPT
87 proto_send_update "$cfg"
90 proto_dslite_teardown() {
94 proto_dslite_init_config() {
98 proto_config_add_string "ip6addr"
99 proto_config_add_string "peeraddr"
100 proto_config_add_string "tunlink"
101 proto_config_add_int "mtu"
102 proto_config_add_int "ttl"
103 proto_config_add_string "encaplimit"
104 proto_config_add_string "zone"
105 proto_config_add_string "weakif"
108 [ -n "$INCLUDE_ONLY" ] || {