5caa23551e
If the first resolveip call will fail, peeraddr will be now empty, and the subsequent resolveip call will try to resolve an empty string. Fix this by storing the result in a temporary variable. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 45712
102 lines
2.2 KiB
Bash
Executable file
102 lines
2.2 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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[ -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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proto_dslite_setup() {
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local cfg="$1"
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local iface="$2"
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local link="ds-$cfg"
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local remoteip6
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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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[ -z "$peeraddr" ] && {
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proto_notify_error "$cfg" "MISSING_ADDRESS"
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proto_block_restart "$cfg"
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return
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}
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( proto_add_host_dependency "$cfg" "::" "$tunlink" )
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remoteip6=$(resolveip -6 $peeraddr)
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if [ -z "$remoteip6" ]; then
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sleep 3
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remoteip6=$(resolveip -6 $peeraddr)
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if [ -z "$remoteip6" ]; then
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proto_notify_error "$cfg" "AFTR_DNS_FAIL"
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return
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fi
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fi
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peeraddr="${remoteip6%% *}"
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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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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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proto_init_update "$link" 1
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proto_add_ipv4_route "0.0.0.0" 0
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proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
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proto_add_tunnel
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json_add_string mode ipip6
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json_add_int mtu "${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 "$tunlink"
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proto_close_tunnel
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proto_add_data
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[ -n "$zone" ] && json_add_string zone "$zone"
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json_add_array firewall
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json_add_object ""
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json_add_string type nat
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json_add_string target ACCEPT
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json_close_object
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json_close_array
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proto_close_data
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proto_send_update "$cfg"
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}
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proto_dslite_teardown() {
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local cfg="$1"
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}
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proto_dslite_init_config() {
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no_device=1
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available=1
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proto_config_add_string "ip6addr"
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proto_config_add_string "peeraddr"
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proto_config_add_string "tunlink"
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proto_config_add_int "mtu"
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proto_config_add_int "ttl"
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proto_config_add_string "zone"
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proto_config_add_string "weakif"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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add_protocol dslite
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}
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