|
1
|
<?php
|
|
2
|
/*
|
|
3
|
diag_dns.php
|
|
4
|
|
|
5
|
Copyright (C) 2009 Jim Pingle (jpingle@gmail.com)
|
|
6
|
All rights reserved.
|
|
7
|
|
|
8
|
Redistribution and use in source and binary forms, with or without
|
|
9
|
modification, are permitted provided that the following conditions are met:
|
|
10
|
|
|
11
|
1. Redistributions of source code must retain the above copyright notice,
|
|
12
|
this list of conditions and the following disclaimer.
|
|
13
|
|
|
14
|
2. Redistributions in binary form must reproduce the above copyright
|
|
15
|
notice, this list of conditions and the following disclaimer in the
|
|
16
|
documentation and/or other materials provided with the distribution.
|
|
17
|
|
|
18
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
19
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
20
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
21
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
22
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
23
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
24
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
25
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
26
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
27
|
POSSIBILITY OF SUCH DAMAGE.
|
|
28
|
*/
|
|
29
|
|
|
30
|
/*
|
|
31
|
pfSense_MODULE: dns
|
|
32
|
*/
|
|
33
|
|
|
34
|
$pgtitle = array("Diagnostics","DNS Lookup");
|
|
35
|
require("guiconfig.inc");
|
|
36
|
|
|
37
|
/* Cheap hack to support both $_GET and $_POST */
|
|
38
|
if ($_GET['host'])
|
|
39
|
$_POST = $_GET;
|
|
40
|
|
|
41
|
if ($_POST) {
|
|
42
|
unset($input_errors);
|
|
43
|
|
|
44
|
$reqdfields = explode(" ", "host");
|
|
45
|
$reqdfieldsn = explode(",", "Host");
|
|
46
|
|
|
47
|
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
|
|
48
|
$host = trim($_POST['host']);
|
|
49
|
$host_esc = escapeshellarg(trim($_POST['host']));
|
|
50
|
|
|
51
|
if (!is_hostname($host) && !is_ipaddr($host))
|
|
52
|
$input_errors[] = "Host must be a valid hostname or IP address.";
|
|
53
|
|
|
54
|
// Test resolution speed of each DNS server.
|
|
55
|
if ((is_hostname($host) || is_ipaddr($host))) {
|
|
56
|
$dns_speeds = array();
|
|
57
|
list($pconfig['dns1'],$pconfig['dns2'],$pconfig['dns3'],$pconfig['dns4']) = $config['system']['dnsserver'];
|
|
58
|
for ($dnscounter=1; $dnscounter<5; $dnscounter++) {
|
|
59
|
$dns_server = $pconfig['dns' . $dnscounter];
|
|
60
|
$query_time = `dig {$host_esc} @{$dns_server} | grep Query | cut -d':' -f2`;
|
|
61
|
if($query_time == "")
|
|
62
|
$query_time = "No response";
|
|
63
|
$new_qt = array();
|
|
64
|
$new_qt['dns_server'] = $dns_server;
|
|
65
|
$new_qt['query_time'] = $query_time;
|
|
66
|
$dns_speeds[] = $new_qt;
|
|
67
|
unset($new_qt);
|
|
68
|
}
|
|
69
|
}
|
|
70
|
|
|
71
|
$type = "unknown";
|
|
72
|
$resolved = "";
|
|
73
|
$ipaddr = "";
|
|
74
|
$hostname = "";
|
|
75
|
if (!$input_errors) {
|
|
76
|
if (is_ipaddr($host)) {
|
|
77
|
$type = "ip";
|
|
78
|
$resolved = gethostbyaddr($host);
|
|
79
|
$ipaddr = $host;
|
|
80
|
if ($host != $resolved)
|
|
81
|
$hostname = $resolved;
|
|
82
|
} elseif (is_hostname($host)) {
|
|
83
|
$type = "hostname";
|
|
84
|
$resolved = gethostbyname($host);
|
|
85
|
$hostname = $host;
|
|
86
|
if ($host != $resolved)
|
|
87
|
$ipaddr = $resolved;
|
|
88
|
}
|
|
89
|
|
|
90
|
if ($host == $resolved) {
|
|
91
|
$resolved = "No record found";
|
|
92
|
}
|
|
93
|
}
|
|
94
|
}
|
|
95
|
|
|
96
|
include("head.inc"); ?>
|
|
97
|
<body link="#000000" vlink="#000000" alink="#000000">
|
|
98
|
<? include("fbegin.inc"); ?>
|
|
99
|
<table width="100%" border="0" cellpadding="0" cellspacing="0">
|
|
100
|
<tr>
|
|
101
|
<td>
|
|
102
|
<?php if ($input_errors) print_input_errors($input_errors); ?>
|
|
103
|
<form action="diag_dns.php" method="post" name="iform" id="iform">
|
|
104
|
<table width="100%" border="0" cellpadding="6" cellspacing="0">
|
|
105
|
<tr>
|
|
106
|
<td colspan="2" valign="top" class="listtopic">Resolve DNS hostname or IP</td>
|
|
107
|
</tr>
|
|
108
|
<tr>
|
|
109
|
<td width="22%" valign="top" class="vncellreq">Hostname or IP</td>
|
|
110
|
<td width="78%" class="vtable">
|
|
111
|
<?=$mandfldhtml;?><input name="host" type="text" class="formfld" id="host" size="20" value="<?=htmlspecialchars($host);?>">
|
|
112
|
<? if ($resolved && $type) { ?>
|
|
113
|
= <font size="+1"><?php echo $resolved; ?><font size="-1>">
|
|
114
|
<? } ?>
|
|
115
|
</td>
|
|
116
|
</tr>
|
|
117
|
<?php if($_POST): ?>
|
|
118
|
<tr>
|
|
119
|
<td width="22%" valign="top" class="vncell">Resolution time per server</td>
|
|
120
|
<td width="78%" class="vtable">
|
|
121
|
<table width="170" border="1" cellpadding="2" style="border-width: 1px 1px 1px 1px; border-collapse: collapse;">
|
|
122
|
<tr>
|
|
123
|
<td>
|
|
124
|
<b>Server</b>
|
|
125
|
</td>
|
|
126
|
<td>
|
|
127
|
<b>Query time</b>
|
|
128
|
</td>
|
|
129
|
</tr>
|
|
130
|
<?php
|
|
131
|
if(is_array($dns_speeds))
|
|
132
|
foreach($dns_speeds as $qt):
|
|
133
|
?>
|
|
134
|
<tr>
|
|
135
|
<td>
|
|
136
|
<?=$qt['dns_server']?>
|
|
137
|
</td>
|
|
138
|
<td>
|
|
139
|
<?=$qt['query_time']?>
|
|
140
|
</td>
|
|
141
|
</tr>
|
|
142
|
<?php
|
|
143
|
endforeach;
|
|
144
|
?>
|
|
145
|
</table>
|
|
146
|
</td>
|
|
147
|
</tr>
|
|
148
|
<?php endif; ?>
|
|
149
|
<?php if (!$input_errors && $ipaddr) { ?>
|
|
150
|
<tr>
|
|
151
|
<td width="22%" valign="top" class="vncell">More Information:</td>
|
|
152
|
<td width="78%" class="vtable">
|
|
153
|
<a target="_new" href ="/diag_ping.php?host=<?=$host?>&interface=wan&count=3">Ping</a> <br/>
|
|
154
|
<a target="_new" href ="/diag_traceroute.php?host=<?=$host?>&ttl=18">Traceroute</a>
|
|
155
|
<p/>
|
|
156
|
NOTE: The following links are to external services, so their reliability cannot be guaranteed.<br/><br/>
|
|
157
|
<a target="_new" href="http://private.dnsstuff.com/tools/whois.ch?ip=<?php echo $ipaddr; ?>">IP WHOIS @ DNS Stuff</a><br />
|
|
158
|
<a target="_new" href="http://private.dnsstuff.com/tools/ipall.ch?ip=<?php echo $ipaddr; ?>">IP Info @ DNS Stuff</a>
|
|
159
|
</td>
|
|
160
|
</tr>
|
|
161
|
<?php } ?>
|
|
162
|
<tr>
|
|
163
|
<td width="22%" valign="top"> </td>
|
|
164
|
<td width="78%">
|
|
165
|
<br/>
|
|
166
|
<input name="Submit" type="submit" class="formbtn" value="DNS Lookup">
|
|
167
|
</td>
|
|
168
|
</tr>
|
|
169
|
</table>
|
|
170
|
</form>
|
|
171
|
</td></tr></table>
|
|
172
|
<?php include("fend.inc"); ?>
|
