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@ -1,5 +1,5 @@
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# 6to4.sh - IPv6-in-IPv4 tunnel backend
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# 6to4.sh - IPv6-in-IPv4 tunnel backend
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# Copyright (c) 2010 OpenWrt.org
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# Copyright (c) 2010-2011 OpenWrt.org
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find_6to4_wanif() {
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find_6to4_wanif() {
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local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
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local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
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@ -18,6 +18,15 @@ find_6to4_prefix() {
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printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
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printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
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}
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}
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test_6to4_rfc1918()
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{
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local oIFS="$IFS"; IFS="."; set -- $1; IFS="$oIFS"
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[ $1 -eq 10 ] && return 0
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[ $1 -eq 192 ] && [ $2 -eq 168 ] && return 0
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[ $1 -eq 172 ] && [ $2 -ge 16 ] && [ $2 -le 31 ] && return 0
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return 1
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}
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set_6to4_radvd_interface() {
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set_6to4_radvd_interface() {
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local cfgid="$1"
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local cfgid="$1"
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local lanif="${2:-lan}"
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local lanif="${2:-lan}"
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@ -136,6 +145,11 @@ setup_interface_6to4() {
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}
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}
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}
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}
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test_6to4_rfc1918 "$local4" && {
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logger -t "$link" "Local wan ip $local4 is private - aborting"
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return
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}
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[ -n "$local4" ] && {
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[ -n "$local4" ] && {
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logger -t "$link" "Starting ..."
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logger -t "$link" "Starting ..."
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