mirror of https://github.com/fail2ban/fail2ban
50 lines
1.4 KiB
Bash
Executable File
50 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# This file is part of Fail2Ban.
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#
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# Fail2Ban is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Fail2Ban is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Fail2Ban; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# Author: Paul Jung aka 'Thanat0s'
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# IPTable WRaPper
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# This script will call iptable or ip6tables6 depending of the ip format
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LINE=$@
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# try to be simple, keep regexes 'approximatives'
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RESULT4=`echo $LINE | egrep -c -e "([0-9]{1,3}\.){3}[0-9]{1,3}"`
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RESULT6=`echo $LINE | egrep -c -e "(::[A-Fa-f0-9]{1,4}|(:[A-Fa-f0-9]{1,4}){2,})"`
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if [ $RESULT4 -ne "0" ]; then
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# action for ipv4
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iptables $LINE
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ERRCODE=$?
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elif [ $RESULT6 -ne "0" ]; then
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# action for ipv6
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ip6tables $LINE
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ERRCODE=$?
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else
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# action for both iptables if no ip is present
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iptables $LINE
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ERRCODE=$?
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ip6tables $LINE
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if [ $? -ge "1" ]; then
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ERRCODE=$?
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fi
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fi
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# always report the error
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exit $ERRCODE
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