aboutsummaryrefslogtreecommitdiffstats
path: root/package/network/ipv6/ds-lite/files
diff options
context:
space:
mode:
Diffstat (limited to 'package/network/ipv6/ds-lite/files')
-rwxr-xr-xpackage/network/ipv6/ds-lite/files/dslite.sh102
1 files changed, 102 insertions, 0 deletions
diff --git a/package/network/ipv6/ds-lite/files/dslite.sh b/package/network/ipv6/ds-lite/files/dslite.sh
new file mode 100755
index 0000000..a7e0a10
--- /dev/null
+++ b/package/network/ipv6/ds-lite/files/dslite.sh
@@ -0,0 +1,102 @@
+#!/bin/sh
+# dslite.sh - IPv4-in-IPv6 tunnel backend
+# Copyright (c) 2013 OpenWrt.org
+
+[ -n "$INCLUDE_ONLY" ] || {
+ . /lib/functions.sh
+ . /lib/functions/network.sh
+ . ../netifd-proto.sh
+ init_proto "$@"
+}
+
+proto_dslite_setup() {
+ local cfg="$1"
+ local iface="$2"
+ local link="ds-$cfg"
+ local remoteip6
+
+ local mtu ttl peeraddr ip6addr tunlink zone weakif
+ json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
+
+ [ -z "$peeraddr" ] && {
+ proto_notify_error "$cfg" "MISSING_ADDRESS"
+ proto_block_restart "$cfg"
+ return
+ }
+
+ ( proto_add_host_dependency "$cfg" "::" "$tunlink" )
+
+ remoteip6=$(resolveip -6 $peeraddr)
+ if [ -z "$remoteip6" ]; then
+ sleep 3
+ remoteip6=$(resolveip -6 $peeraddr)
+ if [ -z "$remoteip6" ]; then
+ proto_notify_error "$cfg" "AFTR_DNS_FAIL"
+ return
+ fi
+ fi
+ peeraddr="${remoteip6%% *}"
+
+ [ -z "$ip6addr" ] && {
+ local wanif="$tunlink"
+ if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
+ proto_notify_error "$cfg" "NO_WAN_LINK"
+ return
+ fi
+
+ if ! network_get_ipaddr6 ip6addr "$wanif"; then
+ [ -z "$weakif" ] && weakif="lan"
+ if ! network_get_ipaddr6 ip6addr "$weakif"; then
+ proto_notify_error "$cfg" "NO_WAN_LINK"
+ return
+ fi
+ fi
+ }
+
+ proto_init_update "$link" 1
+ proto_add_ipv4_route "0.0.0.0" 0
+ proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
+
+ proto_add_tunnel
+ json_add_string mode ipip6
+ json_add_int mtu "${mtu:-1280}"
+ json_add_int ttl "${ttl:-64}"
+ json_add_string local "$ip6addr"
+ json_add_string remote "$peeraddr"
+ [ -n "$tunlink" ] && json_add_string link "$tunlink"
+ proto_close_tunnel
+
+ proto_add_data
+ [ -n "$zone" ] && json_add_string zone "$zone"
+
+ json_add_array firewall
+ json_add_object ""
+ json_add_string type nat
+ json_add_string target ACCEPT
+ json_close_object
+ json_close_array
+ proto_close_data
+
+ proto_send_update "$cfg"
+}
+
+proto_dslite_teardown() {
+ local cfg="$1"
+}
+
+proto_dslite_init_config() {
+ no_device=1
+ available=1
+
+ proto_config_add_string "ip6addr"
+ proto_config_add_string "peeraddr"
+ proto_config_add_string "tunlink"
+ proto_config_add_int "mtu"
+ proto_config_add_int "ttl"
+ proto_config_add_string "zone"
+ proto_config_add_string "weakif"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+ add_protocol dslite
+}