2 # dslite.sh - IPv4-in-IPv6 tunnel backend
3 # Copyright (c) 2013 OpenWrt.org
5 [ -n "$INCLUDE_ONLY" ] ||
{
7 .
/lib
/functions
/network.sh
12 proto_dslite_setup
() {
18 local mtu ttl peeraddr ip6addr tunlink zone weakif
19 json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
21 [ -z "$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"
74 [ -n "$zone" ] && json_add_string zone
"$zone"
76 json_add_array firewall
78 json_add_string
type nat
79 json_add_string target ACCEPT
84 proto_send_update
"$cfg"
87 proto_dslite_teardown
() {
91 proto_dslite_init_config
() {
95 proto_config_add_string
"ip6addr"
96 proto_config_add_string
"peeraddr"
97 proto_config_add_string
"tunlink"
98 proto_config_add_int
"mtu"
99 proto_config_add_int
"ttl"
100 proto_config_add_string
"zone"
101 proto_config_add_string
"weakif"
104 [ -n "$INCLUDE_ONLY" ] ||
{