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Diffstat (limited to 'src/usr/local/www/diag_dns.php')
| -rw-r--r-- | src/usr/local/www/diag_dns.php | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/src/usr/local/www/diag_dns.php b/src/usr/local/www/diag_dns.php new file mode 100644 index 0000000..4c57223 --- /dev/null +++ b/src/usr/local/www/diag_dns.php @@ -0,0 +1,320 @@ +<?php +/* + diag_dns.php + + Copyright (C) 2009 Jim Pingle (jpingle@gmail.com) + Copyright (C) 2013-2015 Electric Sheep Fencing, LP + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* + pfSense_MODULE: dns +*/ + +$pgtitle = array(gettext("Diagnostics"), gettext("DNS Lookup")); +require("guiconfig.inc"); + +$host = trim($_REQUEST['host'], " \t\n\r\0\x0B[];\"'"); +$host_esc = escapeshellarg($host); + +/* If this section of config.xml has not been populated yet we need to set it up +*/ +if (!is_array($config['aliases']['alias'])) { + $config['aliases']['alias'] = array(); +} +$a_aliases = &$config['aliases']['alias']; + +$aliasname = str_replace(array(".", "-"), "_", $host); +$alias_exists = false; +$counter = 0; +foreach ($a_aliases as $a) { + if ($a['name'] == $aliasname) { + $alias_exists = true; + $id = $counter; + } + $counter++; +} + +if (isset($_POST['create_alias']) && (is_hostname($host) || is_ipaddr($host))) { + if ($_POST['override']) { + $override = true; + } + $resolved = gethostbyname($host); + $type = "hostname"; + if ($resolved) { + $resolved = array(); + exec("/usr/bin/drill {$host_esc} A | /usr/bin/grep {$host_esc} | /usr/bin/grep -v ';' | /usr/bin/awk '{ print $5 }'", $resolved); + $isfirst = true; + foreach ($resolved as $re) { + if ($re <> "") { + if (!$isfirst) { + $addresses .= " "; + } + $addresses .= rtrim($re) . "/32"; + $isfirst = false; + } + } + $newalias = array(); + if ($override) { + $alias_exists = false; + } + if ($alias_exists == false) { + $newalias['name'] = $aliasname; + $newalias['type'] = "network"; + $newalias['address'] = $addresses; + $newalias['descr'] = "Created from Diagnostics-> DNS Lookup"; + if ($override) { + $a_aliases[$id] = $newalias; + } else { + $a_aliases[] = $newalias; + } + write_config(); + $createdalias = true; + } + } +} + +if ($_POST) { + unset($input_errors); + + $reqdfields = explode(" ", "host"); + $reqdfieldsn = explode(",", "Host"); + + do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors); + + if (!is_hostname($host) && !is_ipaddr($host)) { + $input_errors[] = gettext("Host must be a valid hostname or IP address."); + } else { + // Test resolution speed of each DNS server. + $dns_speeds = array(); + $dns_servers = array(); + exec("/usr/bin/grep nameserver /etc/resolv.conf | /usr/bin/cut -f2 -d' '", $dns_servers); + foreach ($dns_servers as $dns_server) { + $query_time = exec("/usr/bin/drill {$host_esc} " . escapeshellarg("@" . trim($dns_server)) . " | /usr/bin/grep Query | /usr/bin/cut -d':' -f2"); + if ($query_time == "") { + $query_time = gettext("No response"); + } + $new_qt = array(); + $new_qt['dns_server'] = $dns_server; + $new_qt['query_time'] = $query_time; + $dns_speeds[] = $new_qt; + unset($new_qt); + } + } + + $type = "unknown"; + $resolved = ""; + $ipaddr = ""; + $hostname = ""; + if (!$input_errors) { + if (is_ipaddr($host)) { + $type = "ip"; + $resolved = gethostbyaddr($host); + $ipaddr = $host; + if ($host != $resolved) { + $hostname = $resolved; + } + } elseif (is_hostname($host)) { + $type = "hostname"; + $resolved = gethostbyname($host); + if ($resolved) { + $resolved = array(); + exec("/usr/bin/drill {$host_esc} A | /usr/bin/grep {$host_esc} | /usr/bin/grep -v ';' | /usr/bin/awk '{ print $5 }'", $resolved); + } + $hostname = $host; + if ($host != $resolved) { + $ipaddr = $resolved[0]; + } + } + + if ($host == $resolved) { + $resolved = gettext("No record found"); + } + } +} + +if (($_POST['host']) && ($_POST['dialog_output'])) { + display_host_results ($host, $resolved, $dns_speeds); + exit; +} + +function display_host_results ($address, $hostname, $dns_speeds) { + $map_lengths = function($element) { return strlen($element[0]); }; + + echo gettext("IP Address") . ": {$address} \n"; + echo gettext("Host Name") . ": {$hostname} \n"; + echo "\n"; + $text_table = array(); + $text_table[] = array(gettext("Server"), gettext("Query Time")); + if (is_array($dns_speeds)) { + foreach ($dns_speeds as $qt) { + $text_table[] = array(trim($qt['dns_server']), trim($qt['query_time'])); + } + } + $col0_padlength = max(array_map($map_lengths, $text_table)) + 4; + foreach ($text_table as $text_row) { + echo str_pad($text_row[0], $col0_padlength) . $text_row[1] . "\n"; + } +} + +include("head.inc"); ?> +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> +<?php include("fbegin.inc"); ?> +<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="diag dns"> + <tr> + <td> +<?php if ($input_errors) print_input_errors($input_errors); ?> + <form action="diag_dns.php" method="post" name="iform" id="iform"> + <table width="100%" border="0" cellpadding="6" cellspacing="0" summary="tabcont"> + <tr> + <td colspan="2" valign="top" class="listtopic"> <?=gettext("Resolve DNS hostname or IP");?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Hostname or IP");?></td> + <td width="78%" class="vtable"> + <?=$mandfldhtml;?> + <table summary="results"> + <tr> + <td valign="top"> + <input name="host" type="text" class="formfld unknown" id="host" size="20" value="<?=htmlspecialchars($host);?>" /> + </td> +<?php + if ($resolved && $type) { +?> + <td valign="middle"> = </td> + <td> + <font size="+1"> +<?php + $found = 0; + if (is_array($resolved)) { + foreach ($resolved as $hostitem) { + if ($hostitem <> "") { + echo $hostitem . "<br />"; + $found++; + } + } + } else { + echo $resolved; + } + if ($found > 0) { +?> + <br/> + </font> + <font size='-2'> +<?php + if ($alias_exists) { +?> + An alias already exists for the hostname <?= htmlspecialchars($host) ?>. <br /> + <input type="hidden" name="override" value="true"/> + <input type="submit" name="create_alias" value="Overwrite Alias"/> +<?php + } else { + if (!$createdalias) { +?> + <input type="submit" name="create_alias" value="Create Alias from These Entries"/> +<?php + } else { +?> + Alias created with name <?= htmlspecialchars($newalias['name']) ?> +<?php + } + } + } + } +?> + </font> + </td> + </tr> + </table> + </td> + </tr> +<?php + if ($_POST): +?> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("Resolution time per server");?></td> + <td width="78%" class="vtable"> + <table width="170" border="0" cellpadding="6" cellspacing="0" summary="resolution time"> + <tr> + <td class="listhdrr"> + <?=gettext("Server");?> + </td> + <td class="listhdrr"> + <?=gettext("Query time");?> + </td> + </tr> +<?php + if (is_array($dns_speeds)) { + foreach ($dns_speeds as $qt): +?> + <tr> + <td class="listlr"> + <?=$qt['dns_server']?> + </td> + <td class="listr"> + <?=$qt['query_time']?> + </td> + </tr> +<?php + endforeach; + } +?> + </table> + </td> + </tr> +<?php + endif; + + if (!$input_errors && $ipaddr) { +?> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("More Information:");?></td> + <td width="78%" class="vtable"> + <a href ="/diag_ping.php?host=<?=htmlspecialchars($host)?>&interface=wan&count=3"><?=gettext("Ping");?></a> <br /> + <a href ="/diag_traceroute.php?host=<?=htmlspecialchars($host)?>&ttl=18"><?=gettext("Traceroute");?></a> + <p> + <?=gettext("NOTE: The following links are to external services, so their reliability cannot be guaranteed.");?><br /><br /> + <a target="_blank" href="http://private.dnsstuff.com/tools/whois.ch?ip=<?php echo $ipaddr; ?>"><?=gettext("IP WHOIS @ DNS Stuff");?></a><br /> + <a target="_blank" href="http://private.dnsstuff.com/tools/ipall.ch?ip=<?php echo $ipaddr; ?>"><?=gettext("IP Info @ DNS Stuff");?></a> + </p> + </td> + </tr> +<?php + } +?> + <tr> + <td width="22%" valign="top"> </td> + <td width="78%"> + <br /> + <input name="Submit" type="submit" class="formbtn" value="<?=gettext("DNS Lookup");?>" /> + </td> + </tr> + </table> + </form> + </td> + </tr> +</table> +<?php include("fend.inc"); ?> +</body> +</html> |
