46 lines
986 B
Bash
46 lines
986 B
Bash
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#!/bin/bash
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#Aktuelle öffentliche IP ermitteln.
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public=`wget -q -O- checkip.dyndns.org | grep -Eo '\<[[:digit:]]{1,3}(\.[[:digit:]]{1,3}){3}\>'`;
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#Bisher bekannte öffentliche IP auslesen.
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old=`cat /opt/publicip2nginx/current.txt`;
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nginx="/etc/nginx/conf.d/hw12.conf";
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temp="/opt/publicip2nginx/hw12.conf";
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log_time=$(/bin/date +%Y%m%d-%H%M%S);
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#Prüfe nach bisheriger IP.
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if [ -z "$old" ]; then
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echo $log_time": Keine alte IP gefunden." >> /var/log/public2ip.log;
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exit;
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fi
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#Prüfe nach aktueller IP.
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if [ -z "$public" ]; then
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echo $log_time": Keine aktuelle IP gefunden." >> /var/log/public2ip.log;
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exit;
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fi
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#Vergleich
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if [ $old = $public ]; then
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exit;
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else
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sed /allow/s/$old/$public/g $nginx > $temp;
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#Dateien verschieben
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mv $nginx $nginx.".bak";
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mv $temp $nginx;
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service nginx reload;
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#Log bei Änderung und aktuelle IP in Datei schreiben.
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echo $log_time":" $old $public >> /var/log/public2ip.log;
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echo $public > /opt/publicip2nginx/current.txt;
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fi
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exit;
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