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#!/usr/local/bin/bash |
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# MPD Interface Up |
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# |
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# Douglas Thrift |
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# |
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# $Id$ |
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|
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shopt -s extglob |
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|
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root=`dirname $0` |
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interface=`grep -E '^(pptp|ng)[0-9]$' <<<$1` |
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local_ip=`grep -E '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<<$3` |
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remote_ip=`grep -E '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<<$4` |
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authname=$5 |
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|
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function usage() |
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{ |
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echo -e "Usage: `basename $0` \e[1minterface\e[0m inet \e[1mlocal-ip remote-ip authname\e[0m [dns1 \e[1mserver-ip\e[0m] [dns2 \e[1mserver-ip\e[0m]" |
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exit 1 |
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} |
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|
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for (( index = 6; index <= $#; ++index )); do |
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case $(eval "echo \"\${$index}\"") in |
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(dns@(1|2)) |
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eval "declare \${$index}=\$(grep -E '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<<\${$((++index))})" |
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if eval "[[ -z \$$(eval "echo \${$((index - 1))}") ]]"; then |
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usage |
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fi |
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;; |
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(*) |
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usage |
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;; |
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esac |
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done |
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|
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if [[ -z $interface ]] || [[ $2 != inet ]] || [[ -z $local_ip ]] || [[ -z $remote_ip ]] || [[ -z $authname ]]; then |
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usage |
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fi |
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|
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hostname=`host $remote_ip | sed -Ee 's/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.in-addr.arpa domain name pointer ([a-z.-]+)/\1/p;d'` |
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|
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if [[ -z $hostname ]]; then |
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hostname=`sed -E 's/^[0-9]{1,3}\.[0-9]{1,3}\.([0-9]{1,3})\.([0-9]{1,3})$/vpn-\1-\2.douglasthrift.net./' <<<$remote_ip` |
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reverse=`sed -E 's/^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/\4.\3.\2.\1.in-addr.arpa./' <<<$remote_ip` |
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fi |
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|
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source $root/mpd-common.sh |
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|
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nsupdate <<EOF |
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key $name $secret |
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update delete $hostname IN A |
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update add $hostname 300 IN A $remote_ip |
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send`if [[ -n $reverse ]]; then echo " |
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update delete $reverse IN PTR |
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update add $reverse 300 IN PTR $hostname |
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send" fi` |
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EOF |
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|
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echo $hostname $reverse > ~/.mpd-nsupdate.$interface |
