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93e1b16c
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Scott Ullrich
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<?php
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/*
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diag_arp.php
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2005 Paul Taylor (paultaylor@winndixie.com) and Manuel Kasper <mk@neon1.net>.
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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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require("guiconfig.inc");
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6090e85b
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Bill Marquette
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d083fdfb
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Seth Mos
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function leasecmp($a, $b) {
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return strcmp($a[$_GET['order']], $b[$_GET['order']]);
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}
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93e1b16c
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Scott Ullrich
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d083fdfb
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Seth Mos
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function adjust_gmt($dt) {
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$ts = strtotime($dt . " GMT");
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return strftime("%Y/%m/%d %H:%M:%S", $ts);
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}
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93e1b16c
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Scott Ullrich
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d083fdfb
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Seth Mos
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function remove_duplicate($array, $field) {
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foreach ($array as $sub)
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$cmp[] = $sub[$field];
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$unique = array_unique($cmp);
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foreach ($unique as $k => $rien)
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$new[] = $array[$k];
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return $new;
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}
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93e1b16c
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Scott Ullrich
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d083fdfb
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Seth Mos
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$leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd.leases";
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$awk = "/usr/bin/awk";
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/* this pattern sticks comments into a single array item */
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$cleanpattern = "'{ gsub(\"#.*\", \"\");} { gsub(\";\", \"\"); print;}'";
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/* We then split the leases file by } */
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$splitpattern = "'BEGIN { RS=\"}\";} {for (i=1; i<=NF; i++) printf \"%s \", \$i; printf \"}\\n\";}'";
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93e1b16c
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Scott Ullrich
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d083fdfb
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Seth Mos
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/* stuff the leases file in a proper format into a array by line */
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exec("cat {$leasesfile} | {$awk} {$cleanpattern} | {$awk} {$splitpattern}", $leases_content);
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$leases_count = count($leases_content);
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$pools = array();
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$leases = array();
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$i = 0;
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$l = 0;
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$p = 0;
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// Put everything together again
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while($i < $leases_count) {
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/* split the line by space */
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$data = explode(" ", $leases_content[$i]);
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/* walk the fields */
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$f = 0;
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$fcount = count($data);
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/* with less then 20 fields there is nothing useful */
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if($fcount < 20) {
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$i++;
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continue;
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}
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while($f < $fcount) {
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switch($data[$f]) {
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case "failover":
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$pools[$p]['name'] = $data[$f+2];
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$pools[$p]['mystate'] = $data[$f+7];
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$pools[$p]['peerstate'] = $data[$f+14];
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$pools[$p]['mydate'] = $data[$f+10];
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$pools[$p]['mydate'] .= " " . $data[$f+11];
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$pools[$p]['peerdate'] = $data[$f+17];
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$pools[$p]['peerdate'] .= " " . $data[$f+18];
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$p++;
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$i++;
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continue 3;
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case "lease":
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$leases[$l]['ip'] = $data[$f+1];
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$leases[$l]['type'] = "dynamic";
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$f = $f+2;
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break;
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case "starts":
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$leases[$l]['start'] = $data[$f+2];
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$leases[$l]['start'] .= " " . $data[$f+3];
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$f = $f+3;
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break;
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case "ends":
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$leases[$l]['end'] = $data[$f+2];
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$leases[$l]['end'] .= " " . $data[$f+3];
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$f = $f+3;
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break;
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case "tstp":
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$f = $f+3;
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break;
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case "tsfp":
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$f = $f+3;
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break;
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case "atsfp":
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$f = $f+3;
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break;
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case "cltt":
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$f = $f+3;
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break;
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case "binding":
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switch($data[$f+2]) {
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case "active":
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$leases[$l]['act'] = "active";
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break;
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case "free":
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$leases[$l]['act'] = "expired";
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$leases[$l]['online'] = "offline";
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break;
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case "backup":
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$leases[$l]['act'] = "reserved";
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$leases[$l]['online'] = "offline";
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break;
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}
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$f = $f+1;
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break;
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case "next":
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/* skip the next binding statement */
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$f = $f+3;
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break;
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case "hardware":
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$leases[$l]['mac'] = $data[$f+2];
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/* check if it's online and the lease is active */
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if($leases[$l]['act'] == "active") {
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$online = exec("/usr/sbin/arp -an |/usr/bin/awk '/{$leases[$l]['ip']}/ {print}'|wc -l");
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if ($online == 1) {
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$leases[$l]['online'] = 'online';
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} else {
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$leases[$l]['online'] = 'offline';
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}
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}
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$f = $f+2;
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break;
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case "client-hostname":
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if($data[$f+1] <> "") {
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$leases[$l]['hostname'] = preg_replace('/"/','',$data[$f+1]);
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} else {
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$hostname = gethostbyaddr($leases[$l]['ip']);
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if($hostname <> "") {
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$leases[$l]['hostname'] = $hostname;
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}
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}
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$f = $f+1;
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break;
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case "uid":
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$f = $f+1;
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break;
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}
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$f++;
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}
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$l++;
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$i++;
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}
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/* remove duplicate items by mac address */
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if(count($leases) > 0) {
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$leases = remove_duplicate($leases,"ip");
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}
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if(count($pools) > 0) {
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$pools = remove_duplicate($pools,"name");
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asort($pools);
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}
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// Put this in an easy to use form
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$dhcpmac = array();
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$dhcpip = array();
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93e1b16c
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Scott Ullrich
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d083fdfb
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Seth Mos
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foreach ($leases as $value) {
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$dhcpmac[$value['mac']] = $value['hostname'];
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$dhcpip[$value['ip']] = $value['hostname'];
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93e1b16c
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Scott Ullrich
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}
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exec("/usr/sbin/arp -an",$rawdata);
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$i = 0;
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$ifdescrs = array('wan' => 'WAN', 'lan' => 'LAN');
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for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++) {
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$ifdescrs['opt' . $j] = $config['interfaces']['opt' . $j]['descr'];
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}
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foreach ($ifdescrs as $key =>$interface) {
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$hwif[$config['interfaces'][$key]['if']] = $interface;
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}
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$data = array();
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foreach ($rawdata as $line) {
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$elements = explode(' ',$line);
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if ($elements[3] != "(incomplete)") {
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$arpent = array();
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$arpent['ip'] = trim(str_replace(array('(',')'),'',$elements[1]));
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$arpent['mac'] = trim($elements[3]);
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$arpent['interface'] = trim($elements[5]);
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$data[] = $arpent;
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}
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}
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function getHostName($mac,$ip)
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{
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global $dhcpmac, $dhcpip;
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if ($dhcpmac[$mac])
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return $dhcpmac[$mac];
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else if ($dhcpip[$ip])
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return $dhcpip[$ip];
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4dedef58
|
Scott Ullrich
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else if(gethostbyaddr($ip) <> "" and gethostbyaddr($ip) <> $ip)
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return gethostbyaddr($ip);
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93e1b16c
|
Scott Ullrich
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else
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return " ";
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}
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| 233 |
d083fdfb
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Seth Mos
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$pgtitle = "Diagnostics: ARP Table";
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include("head.inc");
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93e1b16c
|
Scott Ullrich
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| 236 |
d083fdfb
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Seth Mos
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?>
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<body link="#000000" vlink="#000000" alink="#000000">
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<script src="/javascript/sorttable.js"></script>
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<? include("fbegin.inc"); ?>
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<p class="pgtitle"><?=$pgtitle?></p>
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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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5fd0b016
|
Scott Ullrich
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<table class="sortable" name="sortabletable" id="sortabletable" width="100%" border="0" cellpadding="0" cellspacing="0">
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| 245 |
93e1b16c
|
Scott Ullrich
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<tr>
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<td class="listhdrr">IP address</td>
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<td class="listhdrr">MAC address</td>
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<td class="listhdrr">Hostname</td>
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<td class="listhdr">Interface</td>
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<td class="list"></td>
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</tr>
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<?php foreach ($data as $entry): ?>
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<tr>
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<td class="listlr"><?=$entry['ip'];?></td>
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<td class="listr"><?=$entry['mac'];?></td>
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<td class="listr"><?=getHostName($entry['mac'], $entry['ip']);?></td>
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<td class="listr"><?=$hwif[$entry['interface']];?></td>
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</tr>
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<?php endforeach; ?>
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</table>
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| 261 |
6090e85b
|
Bill Marquette
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</td></tr></table>
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| 262 |
93e1b16c
|
Scott Ullrich
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| 263 |
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<?php include("fend.inc"); ?>
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