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php一致改防火墙配置里的ip

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2016-06-13 10:30:20780browse

php统一改防火墙配置里的ip

<?php /** * 工具文件 * 目的在:修改一个防火墙的ip * 前提:文件中有一句 -A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -s 117.89.152.141  -j ACCEPT * 前提2:存在一个文件例如/home/iptables.bak *  * 调用示例 * php change_ip.php 202.111.11.1 *  */if (count($argv) <= 1 ) {        echo "请带上新的ip参数:例如 ipchange 222.222.222.22\n";    exit;}$arg = $argv[1];$filename = '/home/iptables.bak';$content = file_get_contents($filename);$old_ip = preg_replace('/^.+3306\s+-s\s+(\d+\.\d+\.\d+\.\d+)\s+.+$/s','$1',$content);$content = preg_replace('#'. $old_ip .'#', $arg, $content);file_put_contents($filename, $content);//system('iptables-restore '.$filename);echo $filename .': '.  $old_ip . ' => ' . $arg."\n";
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