47 lines
995 B
PHP
47 lines
995 B
PHP
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<meta name="description" content="HostsUp" />
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<meta name="author" content="Jack-Benny Persson" />
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<link rel="stylesheet" type="text/css" href="hosts_up.css" title="HostsUp"/>
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<title>HostsUp</title>
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</head>
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<body>
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<div id = "middle">
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<?php
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$network = "192.168.0.0/24";
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$hosts = shell_exec("nmap $network -sn");
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/* Match any IP-number
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[0-9] = all digits from 0-9
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{1,3} = one, two or three digits
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\. = a dot
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Hence, 0-9 one, two or three time, a dot, and then all over again
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*/
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preg_match_all("/[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/", $hosts,
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$out);
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print "<h1>Hosts that are up</h1>\n";
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print "<p>\n";
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foreach ($out[0] as $i)
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{
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print $i . "<br />\n";
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}
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print "</p>\n";
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?>
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</div>
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</body>
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</html>
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