ds-lite: add support for fqdn peeraddrs
[openwrt/staging/chunkeey.git] / package / network / ipv6 / ds-lite / files / dslite.sh
1 #!/bin/sh
2 # dslite.sh - IPv4-in-IPv6 tunnel backend
3 # Copyright (c) 2013 OpenWrt.org
4
5 [ -n "$INCLUDE_ONLY" ] || {
6 . /lib/functions.sh
7 . /lib/functions/network.sh
8 . ../netifd-proto.sh
9 init_proto "$@"
10 }
11
12 proto_dslite_setup() {
13 local cfg="$1"
14 local iface="$2"
15 local link="dslite-$cfg"
16
17 local mtu ttl peeraddr ip6addr tunlink zone weakif
18 json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
19
20 [ -z "$peeraddr" ] && {
21 proto_notify_error "$cfg" "MISSING_ADDRESS"
22 proto_block_restart "$cfg"
23 return
24 }
25
26 ( proto_add_host_dependency "$cfg" "::" "$tunlink" )
27
28 peeraddr=$(resolveip -6 $peeraddr)
29 if [ -z "$peeraddr" ]; then
30 sleep 3
31 peeraddr=$(resolveip -6 $peeraddr)
32 if [ -z "$peeraddr" ]; then
33 proto_notify_error "$cfg" "AFTR_DNS_FAIL"
34 return
35 fi
36 fi
37 peeraddr="${peeraddr%% *}"
38
39 [ -z "$ip6addr" ] && {
40 local wanif="$tunlink"
41 if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
42 proto_notify_error "$cfg" "NO_WAN_LINK"
43 return
44 fi
45
46 if ! network_get_ipaddr6 ip6addr "$wanif"; then
47 [ -z "$weakif" ] && weakif="lan"
48 if ! network_get_ipaddr6 ip6addr "$weakif"; then
49 proto_notify_error "$cfg" "NO_WAN_LINK"
50 return
51 fi
52 fi
53 }
54
55 proto_init_update "$link" 1
56 proto_add_ipv4_route "0.0.0.0" 0
57 proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
58
59 proto_add_tunnel
60 json_add_string mode ipip6
61 json_add_int mtu "${mtu:-1280}"
62 json_add_int ttl "${ttl:-64}"
63 json_add_string local "$ip6addr"
64 json_add_string remote "$peeraddr"
65 [ -n "$tunlink" ] && json_add_string link "$tunlink"
66 proto_close_tunnel
67
68 proto_add_data
69 [ -n "$zone" ] && json_add_string zone "$zone"
70
71 json_add_array firewall
72 json_add_object ""
73 json_add_string type nat
74 json_add_string target ACCEPT
75 json_close_object
76 json_close_array
77 proto_close_data
78
79 proto_send_update "$cfg"
80 }
81
82 proto_dslite_teardown() {
83 local cfg="$1"
84 }
85
86 proto_dslite_init_config() {
87 no_device=1
88 available=1
89
90 proto_config_add_string "ip6addr"
91 proto_config_add_string "peeraddr"
92 proto_config_add_string "tunlink"
93 proto_config_add_int "mtu"
94 proto_config_add_int "ttl"
95 proto_config_add_string "zone"
96 proto_config_add_string "weakif"
97 }
98
99 [ -n "$INCLUDE_ONLY" ] || {
100 add_protocol dslite
101 }