OpenWrt – Blame information for rev 3
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Rev | Author | Line No. | Line |
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1 | office | 1 | #!/bin/sh |
2 | # dslite.sh - IPv4-in-IPv6 tunnel backend |
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3 | # Copyright (c) 2013 OpenWrt.org |
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4 | |||
5 | [ -n "$INCLUDE_ONLY" ] || { |
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6 | . /lib/functions.sh |
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7 | . /lib/functions/network.sh |
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8 | . ../netifd-proto.sh |
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9 | init_proto "$@" |
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10 | } |
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11 | |||
12 | proto_dslite_setup() { |
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13 | local cfg="$1" |
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14 | local iface="$2" |
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15 | local link="ds-$cfg" |
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16 | local remoteip6 |
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17 | |||
18 | local mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit |
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19 | json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit |
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20 | |||
21 | [ -z "$peeraddr" ] && { |
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22 | proto_notify_error "$cfg" "MISSING_ADDRESS" |
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23 | proto_block_restart "$cfg" |
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24 | return |
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25 | } |
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26 | |||
27 | ( proto_add_host_dependency "$cfg" "::" "$tunlink" ) |
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28 | |||
29 | remoteip6=$(resolveip -6 "$peeraddr") |
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30 | if [ -z "$remoteip6" ]; then |
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31 | sleep 3 |
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32 | remoteip6=$(resolveip -6 "$peeraddr") |
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33 | if [ -z "$remoteip6" ]; then |
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34 | proto_notify_error "$cfg" "AFTR_DNS_FAIL" |
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35 | return |
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36 | fi |
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37 | fi |
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38 | |||
39 | for ip6 in $remoteip6; do |
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40 | peeraddr=$ip6 |
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41 | break |
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42 | done |
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43 | |||
44 | [ -z "$ip6addr" ] && { |
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45 | local wanif="$tunlink" |
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46 | if [ -z "$wanif" ] && ! network_find_wan6 wanif; then |
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47 | proto_notify_error "$cfg" "NO_WAN_LINK" |
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48 | return |
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49 | fi |
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50 | |||
51 | if ! network_get_ipaddr6 ip6addr "$wanif"; then |
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52 | [ -z "$weakif" ] && weakif="lan" |
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53 | if ! network_get_ipaddr6 ip6addr "$weakif"; then |
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54 | proto_notify_error "$cfg" "NO_WAN_LINK" |
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55 | return |
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56 | fi |
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57 | fi |
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58 | } |
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59 | |||
60 | proto_init_update "$link" 1 |
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61 | proto_add_ipv4_route "0.0.0.0" 0 |
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62 | proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1" |
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63 | |||
64 | proto_add_tunnel |
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65 | json_add_string mode ipip6 |
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66 | json_add_int mtu "${mtu:-1280}" |
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67 | json_add_int ttl "${ttl:-64}" |
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68 | json_add_string local "$ip6addr" |
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69 | json_add_string remote "$peeraddr" |
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70 | [ -n "$tunlink" ] && json_add_string link "$tunlink" |
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71 | json_add_object "data" |
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3 | office | 72 | json_add_string encaplimit "${encaplimit:-4}" |
1 | office | 73 | json_close_object |
74 | proto_close_tunnel |
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75 | |||
76 | proto_add_data |
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77 | [ -n "$zone" ] && json_add_string zone "$zone" |
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78 | |||
79 | json_add_array firewall |
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80 | json_add_object "" |
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81 | json_add_string type nat |
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82 | json_add_string target ACCEPT |
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83 | json_close_object |
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84 | json_close_array |
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85 | proto_close_data |
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86 | |||
87 | proto_send_update "$cfg" |
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88 | } |
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89 | |||
90 | proto_dslite_teardown() { |
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91 | local cfg="$1" |
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92 | } |
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93 | |||
94 | proto_dslite_init_config() { |
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95 | no_device=1 |
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96 | available=1 |
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97 | |||
98 | proto_config_add_string "ip6addr" |
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99 | proto_config_add_string "peeraddr" |
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100 | proto_config_add_string "tunlink" |
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101 | proto_config_add_int "mtu" |
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102 | proto_config_add_int "ttl" |
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103 | proto_config_add_string "encaplimit" |
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104 | proto_config_add_string "zone" |
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105 | proto_config_add_string "weakif" |
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106 | } |
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107 | |||
108 | [ -n "$INCLUDE_ONLY" ] || { |
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109 | add_protocol dslite |
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110 | } |