#!/bin/sh
-# dslite.sh - IPv4-in-IPv6 tunnel backend
+# dslite.sh - IPv4-in-IPv6 tunnel backend for ipip6 and ds-lite
# Copyright (c) 2013 OpenWrt.org
+# Copyright (c) 2013 Steven Barth <steven@midlink.org>
+# Copyright (c) 2021 Kenji Uno <ku@digitaldolphins.jp>
+# Copyright (c) 2024 Arayuki Mago <ms@missing233.com>
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
init_proto "$@"
}
-proto_dslite_setup() {
+tnl_setup() {
local cfg="$1"
local iface="$2"
- local link="ds-$cfg"
+ local tnl_type="$3"
+ local ip4addr="$4"
+ local ip4gateway="$5"
+ local link="$tnl_type-$cfg"
local remoteip6
local mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
proto_init_update "$link" 1
proto_add_ipv4_route "0.0.0.0" 0
- proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
+ proto_add_ipv4_address "$ip4addr" "" "" "$ip4gateway"
proto_add_tunnel
json_add_string mode ipip6
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
- json_add_array firewall
- json_add_object ""
- json_add_string type nat
- json_add_string target ACCEPT
- json_close_object
- json_close_array
+ if [ "$tnl_type" = "ds" ]; then
+ json_add_array firewall
+ json_add_object ""
+ json_add_string type nat
+ json_add_string target ACCEPT
+ json_close_object
+ json_close_array
+ fi
+
proto_close_data
proto_send_update "$cfg"
}
-proto_dslite_teardown() {
- local cfg="$1"
-}
-
-proto_dslite_init_config() {
- no_device=1
+init_config() {
+ no_device=1
available=1
proto_config_add_string "ip6addr"
proto_config_add_string "weakif"
}
+proto_ipip6_init_config() {
+ init_config
+ proto_config_add_string "ip4ifaddr"
+}
+
+proto_ipip6_setup() {
+ local ip4ifaddr
+ json_get_vars ip4ifaddr
+ tnl_setup "$1" "$2" "ipip6" "$ip4ifaddr" "0.0.0.0"
+}
+
+proto_ipip6_teardown() {
+ local cfg="$1"
+}
+
+proto_dslite_init_config() {
+ init_config
+}
+
+proto_dslite_setup() {
+ tnl_setup "$1" "$2" "ds" "192.0.0.2" "192.0.0.1"
+}
+
+proto_dslite_teardown() {
+ local cfg="$1"
+}
+
[ -n "$INCLUDE_ONLY" ] || {
- add_protocol dslite
+ add_protocol ipip6
+ add_protocol dslite
}