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			91 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/bin/sh
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| # dslite.sh - IPv4-in-IPv6 tunnel backend
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| # Copyright (c) 2013 OpenWrt.org
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| 
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| [ -n "$INCLUDE_ONLY" ] || {
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| 	. /lib/functions.sh
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| 	. /lib/functions/network.sh
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| 	. ../netifd-proto.sh
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| 	init_proto "$@"
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| }
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| 
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| proto_dslite_setup() {
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| 	local cfg="$1"
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| 	local iface="$2"
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| 	local link="dslite-$cfg"
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| 
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| 	local mtu ttl peeraddr ip6addr tunlink zone weakif
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| 	json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
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| 
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| 	[ -z "$peeraddr" ] && {
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| 		proto_notify_error "$cfg" "MISSING_ADDRESS"
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| 		proto_block_restart "$cfg"
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| 		return
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| 	}
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| 
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| 	( proto_add_host_dependency "$cfg" "::" "$tunlink" )
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| 
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| 	[ -z "$ip6addr" ] && {
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| 		local wanif="$tunlink"
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| 		if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
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| 			proto_notify_error "$cfg" "NO_WAN_LINK"
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| 			return
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| 		fi
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| 
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| 		if ! network_get_ipaddr6 ip6addr "$wanif"; then
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| 			[ -z "$weakif" ] && weakif="lan"
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| 			if ! network_get_ipaddr6 ip6addr "$weakif"; then
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| 				proto_notify_error "$cfg" "NO_WAN_LINK"
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| 				return
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| 			fi
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| 		fi
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| 	}
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| 
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| 	proto_init_update "$link" 1
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| 	proto_add_ipv4_route "0.0.0.0" 0
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| 	proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
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| 
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| 	proto_add_tunnel
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| 	json_add_string mode ipip6
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| 	json_add_int mtu "${mtu:-1280}"
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| 	json_add_int ttl "${ttl:-64}"
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| 	json_add_string local "$ip6addr"
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| 	json_add_string remote "$peeraddr"
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| 	[ -n "$tunlink" ] && json_add_string link "$tunlink"
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| 	proto_close_tunnel
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| 
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| 	proto_add_data
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| 	[ -n "$zone" ] && json_add_string zone "$zone"
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| 
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| 	json_add_array firewall
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| 	  json_add_object ""
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| 	    json_add_string type nat
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| 	    json_add_string target ACCEPT
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| 	  json_close_object
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| 	json_close_array
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| 	proto_close_data
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| 
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| 	proto_send_update "$cfg"
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| }
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| 
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| proto_dslite_teardown() {
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| 	local cfg="$1"
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| }
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| 
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| proto_dslite_init_config() {
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| 	no_device=1             
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| 	available=1
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| 
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| 	proto_config_add_string "ip6addr"
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| 	proto_config_add_string "peeraddr"
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| 	proto_config_add_string "tunlink"
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| 	proto_config_add_int "mtu"
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| 	proto_config_add_int "ttl"
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| 	proto_config_add_string "zone"
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| 	proto_config_add_string "weakif"
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| }
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| 
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| [ -n "$INCLUDE_ONLY" ] || {
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|         add_protocol dslite
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| }
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