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737ed7d1
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jim-p
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<?php
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/*
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diag_dns.php
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Copyright (C) 2009 Jim Pingle (jpingle@gmail.com)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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13d193c2
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Scott Ullrich
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/*
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pfSense_MODULE: dns
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*/
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6593dae6
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jim-p
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$pgtitle = array("Diagnostics","DNS Lookup");
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737ed7d1
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jim-p
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require("guiconfig.inc");
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/* Cheap hack to support both $_GET and $_POST */
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if ($_GET['host'])
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$_POST = $_GET;
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if ($_POST) {
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unset($input_errors);
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$reqdfields = explode(" ", "host");
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$reqdfieldsn = explode(",", "Host");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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$host = trim($_POST['host']);
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b97c5ed6
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sullrich
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$host_esc = escapeshellarg(trim($_POST['host']));
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c1aa682e
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Chris Buechler
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if (!is_hostname($host) && !is_ipaddr($host))
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737ed7d1
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jim-p
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$input_errors[] = "Host must be a valid hostname or IP address.";
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86ab47ff
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sullrich
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// Test resolution speed of each DNS server.
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if ((is_hostname($host) || is_ipaddr($host))) {
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$dns_speeds = array();
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list($pconfig['dns1'],$pconfig['dns2'],$pconfig['dns3'],$pconfig['dns4']) = $config['system']['dnsserver'];
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for ($dnscounter=1; $dnscounter<5; $dnscounter++) {
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$dns_server = $pconfig['dns' . $dnscounter];
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b97c5ed6
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sullrich
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$query_time = `dig {$host_esc} @{$dns_server} | grep Query | cut -d':' -f2`;
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77f87165
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sullrich
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if($query_time == "")
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$query_time = "No response";
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86ab47ff
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sullrich
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$new_qt = array();
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$new_qt['dns_server'] = $dns_server;
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77f87165
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sullrich
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$new_qt['query_time'] = $query_time;
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86ab47ff
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sullrich
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$dns_speeds[] = $new_qt;
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unset($new_qt);
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}
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737ed7d1
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jim-p
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}
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$type = "unknown";
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$resolved = "";
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2312b0eb
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jim-p
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$ipaddr = "";
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$hostname = "";
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737ed7d1
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jim-p
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if (!$input_errors) {
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if (is_ipaddr($host)) {
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$type = "ip";
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$resolved = gethostbyaddr($host);
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2312b0eb
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jim-p
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$ipaddr = $host;
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if ($host != $resolved)
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$hostname = $resolved;
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737ed7d1
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jim-p
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} elseif (is_hostname($host)) {
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$type = "hostname";
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$resolved = gethostbyname($host);
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2312b0eb
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jim-p
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$hostname = $host;
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if ($host != $resolved)
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$ipaddr = $resolved;
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737ed7d1
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jim-p
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}
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if ($host == $resolved) {
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$resolved = "No record found";
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}
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}
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}
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include("head.inc"); ?>
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<body link="#000000" vlink="#000000" alink="#000000">
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<? include("fbegin.inc"); ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<form action="diag_dns.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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4c7e2f4e
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sullrich
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<tr>
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<td colspan="2" valign="top" class="listtopic">Resolve DNS hostname or IP</td>
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</tr>
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737ed7d1
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jim-p
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<tr>
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<td width="22%" valign="top" class="vncellreq">Hostname or IP</td>
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<td width="78%" class="vtable">
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<?=$mandfldhtml;?><input name="host" type="text" class="formfld" id="host" size="20" value="<?=htmlspecialchars($host);?>">
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<? if ($resolved && $type) { ?>
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9080cb52
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sullrich
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= <font size="+1"><?php echo $resolved; ?><font size="-1>">
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737ed7d1
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jim-p
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<? } ?>
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</td>
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</tr>
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37d98ce7
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sullrich
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<?php if($_POST): ?>
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86ab47ff
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sullrich
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<tr>
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b02b3399
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sullrich
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<td width="22%" valign="top" class="vncell">Resolution time per server</td>
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86ab47ff
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sullrich
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<td width="78%" class="vtable">
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87fa30ba
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sullrich
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<table width="170" border="1" cellpadding="2" style="border-width: 1px 1px 1px 1px; border-collapse: collapse;">
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86ab47ff
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sullrich
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<tr>
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<td>
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<b>Server</b>
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</td>
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<td>
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<b>Query time</b>
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</td>
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</tr>
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<?php
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if(is_array($dns_speeds))
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foreach($dns_speeds as $qt):
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?>
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<tr>
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<td>
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<?=$qt['dns_server']?>
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</td>
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<td>
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<?=$qt['query_time']?>
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</td>
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</tr>
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<?php
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endforeach;
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?>
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</table>
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</td>
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</tr>
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37d98ce7
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sullrich
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<?php endif; ?>
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2312b0eb
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jim-p
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<?php if (!$input_errors && $ipaddr) { ?>
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<tr>
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9080cb52
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sullrich
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<td width="22%" valign="top" class="vncell">More Information:</td>
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2312b0eb
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jim-p
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<td width="78%" class="vtable">
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b8cc74ed
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sullrich
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<a target="_new" href ="/diag_ping.php?host=<?=$host?>&interface=wan&count=3">Ping</a> <br/>
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<a target="_new" href ="/diag_traceroute.php?host=<?=$host?>&ttl=18">Traceroute</a>
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<p/>
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NOTE: The following links are to external services, so their reliability cannot be guaranteed.<br/><br/>
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c51684d7
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sullrich
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<a target="_new" href="http://private.dnsstuff.com/tools/whois.ch?ip=<?php echo $ipaddr; ?>">IP WHOIS @ DNS Stuff</a><br />
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<a target="_new" href="http://private.dnsstuff.com/tools/ipall.ch?ip=<?php echo $ipaddr; ?>">IP Info @ DNS Stuff</a>
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2312b0eb
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jim-p
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</td>
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</tr>
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<?php } ?>
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737ed7d1
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jim-p
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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b97c5ed6
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sullrich
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<br/>
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737ed7d1
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jim-p
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<input name="Submit" type="submit" class="formbtn" value="DNS Lookup">
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</td>
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</tr>
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</table>
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</form>
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</td></tr></table>
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<?php include("fend.inc"); ?>
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