OpenWrt – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | office | 1 | #!/bin/sh |
2 | # 464xlat.sh - 464xlat CLAT |
||
3 | # |
||
4 | # Copyright (c) 2015 Steven Barth <cyrus@openwrt.org> |
||
5 | # |
||
6 | # This program is free software; you can redistribute it and/or modify |
||
7 | # it under the terms of the GNU General Public License version 2 |
||
8 | # as published by the Free Software Foundation |
||
9 | # |
||
10 | # This program is distributed in the hope that it will be useful, |
||
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
13 | # GNU General Public License for more details. |
||
14 | |||
15 | [ -n "$INCLUDE_ONLY" ] || { |
||
16 | . /lib/functions.sh |
||
17 | . /lib/functions/network.sh |
||
18 | . ../netifd-proto.sh |
||
19 | init_proto "$@" |
||
20 | } |
||
21 | |||
22 | proto_464xlat_setup() { |
||
23 | local cfg="$1" |
||
24 | local iface="$2" |
||
25 | local link="464-$cfg" |
||
26 | |||
27 | local ip6addr ip6prefix tunlink zone |
||
28 | json_get_vars ip6addr ip6prefix tunlink zone |
||
29 | |||
30 | [ -z "$zone" ] && zone="wan" |
||
31 | |||
32 | ( proto_add_host_dependency "$cfg" "::" "$tunlink" ) |
||
33 | |||
34 | if [ -z "$tunlink" ] && ! network_find_wan6 tunlink; then |
||
35 | proto_notify_error "$cfg" "NO_WAN_LINK" |
||
36 | return |
||
37 | fi |
||
38 | network_get_device tundev "$tunlink" |
||
39 | |||
40 | ip6addr=$(464xlatcfg "$link" "$tundev" "$ip6prefix" 192.0.0.1 $ip6addr) |
||
41 | if [ -z "$ip6addr" ]; then |
||
42 | proto_notify_error "$cfg" "CLAT_CONFIG_FAILED" |
||
43 | return |
||
44 | fi |
||
45 | |||
46 | ip -6 rule del from all lookup local |
||
47 | ip -6 rule add from all lookup local pref 1 |
||
48 | ip -6 rule add to $ip6addr lookup prelocal pref 0 |
||
49 | echo "$ip6addr" > /tmp/464-$cfg-anycast |
||
50 | |||
51 | proto_init_update "$link" 1 |
||
52 | proto_add_ipv4_route "0.0.0.0" 0 "" "" 2048 |
||
53 | proto_add_ipv6_route $ip6addr 128 "" "" "" "" 128 |
||
54 | |||
55 | proto_add_data |
||
56 | [ "$zone" != "-" ] && json_add_string zone "$zone" |
||
57 | |||
58 | json_add_array firewall |
||
59 | json_add_object "" |
||
60 | json_add_string type nat |
||
61 | json_add_string target SNAT |
||
62 | json_add_string family inet |
||
63 | json_add_string snat_ip 192.0.0.1 |
||
64 | json_close_object |
||
65 | json_add_object "" |
||
66 | json_add_string type rule |
||
67 | json_add_string family inet6 |
||
68 | json_add_string proto all |
||
69 | json_add_string direction in |
||
70 | json_add_string dest "$zone" |
||
71 | json_add_string src "$zone" |
||
72 | json_add_string src_ip $ip6addr |
||
73 | json_add_string target ACCEPT |
||
74 | json_close_object |
||
75 | json_close_array |
||
76 | proto_close_data |
||
77 | |||
78 | proto_send_update "$cfg" |
||
79 | } |
||
80 | |||
81 | proto_464xlat_teardown() { |
||
82 | local cfg="$1" |
||
83 | local link="464-$cfg" |
||
84 | |||
85 | [ -f /tmp/464-$cfg-anycast ] || return |
||
86 | local ip6addr=$(cat /tmp/464-$cfg-anycast) |
||
87 | |||
88 | 464xlatcfg "$link" |
||
89 | |||
90 | rm -rf /tmp/464-$cfg-anycast |
||
91 | [ -n "$ip6addr" ] && ip -6 rule del to $ip6addr lookup prelocal |
||
92 | |||
93 | if [ -z "$(ls /tmp/464-*-anycast 2>&-)" ]; then |
||
94 | ip -6 rule del from all lookup local |
||
95 | ip -6 rule add from all lookup local pref 0 |
||
96 | fi |
||
97 | } |
||
98 | |||
99 | proto_464xlat_init_config() { |
||
100 | no_device=1 |
||
101 | available=1 |
||
102 | |||
103 | proto_config_add_string "ip6prefix" |
||
104 | proto_config_add_string "ip6addr" |
||
105 | proto_config_add_string "tunlink" |
||
106 | proto_config_add_string "zone" |
||
107 | } |
||
108 | |||
109 | [ -n "$INCLUDE_ONLY" ] || { |
||
110 | add_protocol 464xlat |
||
111 | } |