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<?php
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/* $Id$ */
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/*
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status_dhcp_leases.php
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Copyright (C) 2013-2015 Electric Sheep Fencing, LP
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Copyright (C) 2004-2009 Scott Ullrich
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All rights reserved.
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originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 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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/*
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pfSense_BUILDER_BINARIES: /usr/bin/awk /bin/cat /usr/sbin/arp /usr/bin/wc /usr/bin/grep
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pfSense_MODULE: dhcpserver
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*/
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##|+PRIV
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##|*IDENT=page-status-dhcpleases
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##|*NAME=Status: DHCP leases page
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##|*DESCR=Allow access to the 'Status: DHCP leases' page.
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##|*MATCH=status_dhcp_leases.php*
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##|-PRIV
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require("guiconfig.inc");
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require_once("config.inc");
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$pgtitle = array(gettext("Status"), gettext("DHCP leases"));
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$shortcut_section = "dhcp";
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$leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd.leases";
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if (($_GET['deleteip']) && (is_ipaddr($_GET['deleteip']))) {
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/* Stop DHCPD */
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killbyname("dhcpd");
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/* Read existing leases */
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/* $leases_contents has the lines of the file, including the newline char at the end of each line. */
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$leases_contents = file($leasesfile);
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$newleases_contents = array();
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$i = 0;
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while ($i < count($leases_contents)) {
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/* Find the lease(s) we want to delete */
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if ($leases_contents[$i] == "lease {$_GET['deleteip']} {\n") {
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/* Skip to the end of the lease declaration */
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do {
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$i++;
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} while ($leases_contents[$i] != "}\n");
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} else {
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/* It's a line we want to keep, copy it over. */
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$newleases_contents[] = $leases_contents[$i];
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}
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$i++;
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}
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/* Write out the new leases file */
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$fd = fopen($leasesfile, 'w');
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fwrite($fd, implode("\n", $newleases_contents));
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fclose($fd);
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/* Restart DHCP Service */
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services_dhcpd_configure();
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header("Location: status_dhcp_leases.php?all={$_GET['all']}");
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}
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php
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function leasecmp($a, $b) {
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return strcmp($a[$_GET['order']], $b[$_GET['order']]);
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}
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function adjust_gmt($dt) {
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global $config;
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$dhcpd = $config['dhcpd'];
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foreach ($dhcpd as $dhcpditem) {
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$dhcpleaseinlocaltime = $dhcpditem['dhcpleaseinlocaltime'];
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if ($dhcpleaseinlocaltime == "yes") {
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break;
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}
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}
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if ($dhcpleaseinlocaltime == "yes") {
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$ts = strtotime($dt . " GMT");
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if ($ts !== false) {
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return strftime("%Y/%m/%d %I:%M:%S%p", $ts);
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}
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}
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/* If we did not need to convert to local time or the conversion failed, just return the input. */
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return $dt;
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}
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function remove_duplicate($array, $field) {
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foreach ($array as $sub) {
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$cmp[] = $sub[$field];
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}
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$unique = array_unique(array_reverse($cmp, true));
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foreach ($unique as $k => $rien) {
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$new[] = $array[$k];
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}
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return $new;
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}
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$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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/* stuff the leases file in a proper format into a array by line */
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exec("/bin/cat {$leasesfile} | {$awk} {$cleanpattern} | {$awk} {$splitpattern}", $leases_content);
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$leases_count = count($leases_content);
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exec("/usr/sbin/arp -an", $rawdata);
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$arpdata_ip = array();
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$arpdata_mac = array();
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foreach ($rawdata as $line) {
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$elements = explode(' ', $line);
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if ($elements[3] != "(incomplete)") {
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$arpent = array();
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$arpdata_ip[] = trim(str_replace(array('(', ')'), '', $elements[1]));
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$arpdata_mac[] = strtolower(trim($elements[3]));
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}
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}
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unset($rawdata);
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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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$p = 0;
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// Put everything together again
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foreach ($leases_content as $lease) {
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/* split the line by space */
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$data = explode(" ", $lease);
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/* walk the fields */
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$f = 0;
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$fcount = count($data);
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/* with less than 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[$p]['name'] = trim($data[$f+2], '"');
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$pools[$p]['name'] = "{$pools[$p]['name']} (" . convert_friendly_interface_to_friendly_descr(substr($pools[$p]['name'], 5)) . ")";
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$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 = $f+3;
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break;
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case "ends":
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if ($data[$f+1] == "never") {
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// Quote from dhcpd.leases(5) man page:
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// If a lease will never expire, date is never instead of an actual date.
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$leases[$l]['end'] = gettext("Never");
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$f = $f+1;
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} else {
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$leases[$l]['end'] = $data[$f+2];
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$leases[$l]['end'] .= " " . $data[$f+3];
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$f = $f+3;
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}
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break;
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case "tstp":
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$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 = $f+3;
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break;
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case "rewind":
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/* skip the rewind binding statement */
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$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 (in_array($leases[$l]['ip'], $arpdata_ip)) {
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$leases[$l]['online'] = 'online';
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} else {
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$leases[$l]['online'] = 'offline';
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}
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$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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/* slowly chisel away at the source array */
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array_shift($leases_content);
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}
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/* remove the old array */
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unset($lease_content);
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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($pools);
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}
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foreach ($config['interfaces'] as $ifname => $ifarr) {
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if (is_array($config['dhcpd'][$ifname]) &&
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is_array($config['dhcpd'][$ifname]['staticmap'])) {
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$staticmap_array_index = 0;
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foreach ($config['dhcpd'][$ifname]['staticmap'] as $static) {
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$slease = array();
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$slease['ip'] = $static['ipaddr'];
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$slease['type'] = "static";
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$slease['mac'] = $static['mac'];
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$slease['if'] = $ifname;
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$slease['start'] = "";
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$slease['end'] = "";
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$slease['hostname'] = htmlentities($static['hostname']);
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$slease['act'] = "static";
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$slease['online'] = in_array(strtolower($slease['mac']), $arpdata_mac) ? 'online' : 'offline';
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$slease['staticmap_array_index'] = $staticmap_array_index;
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$leases[] = $slease;
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$staticmap_array_index++;
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}
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}
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}
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if ($_GET['order']) {
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usort($leases, "leasecmp");
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}
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/* only print pool status when we have one */
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if (count($pools) > 0) {
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?>
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<table class="tabcont sortable" width="100%" border="0" cellpadding="0" cellspacing="0" summary="dhcp leases">
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<tr>
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<td class="listhdrr"><?=gettext("Failover Group"); ?></a></td>
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<td class="listhdrr"><?=gettext("My State"); ?></a></td>
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<td class="listhdrr"><?=gettext("Since"); ?></a></td>
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<td class="listhdrr"><?=gettext("Peer State"); ?></a></td>
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<td class="listhdrr"><?=gettext("Since"); ?></a></td>
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</tr>
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<?php
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324
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foreach ($pools as $data) {
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echo "<tr>\n";
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echo "<td class=\"listlr\">{$fspans}{$data['name']}{$fspane}</td>\n";
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echo "<td class=\"listr\">{$fspans}{$data['mystate']}{$fspane}</td>\n";
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echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['mydate']) . "{$fspane}</td>\n";
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echo "<td class=\"listr\">{$fspans}{$data['peerstate']}{$fspane}</td>\n";
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echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['peerdate']) . "{$fspane}</td>\n";
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echo "<td class=\"list\" valign=\"middle\" width=\"17\"> </td>\n";
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echo "<td class=\"list\" valign=\"middle\" width=\"17\"> </td>\n";
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echo "</tr>\n";
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}
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?>
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336
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</table>
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337
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338
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<?php
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339
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/* only print pool status when we have one */
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340
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}
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341
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?>
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342
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343
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<br/>
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344
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345
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<table class="tabcont sortable" width="100%" border="0" cellpadding="0" cellspacing="0" summary="dhcp leases">
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346
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<tr>
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347
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<td class="listhdrr"><a href="#"><?=gettext("IP address"); ?></a></td>
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348
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<td class="listhdrr"><a href="#"><?=gettext("MAC address"); ?></a></td>
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349
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<td class="listhdrr"><a href="#"><?=gettext("Hostname"); ?></a></td>
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350
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<td class="listhdrr"><a href="#"><?=gettext("Start"); ?></a></td>
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<td class="listhdrr"><a href="#"><?=gettext("End"); ?></a></td>
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<td class="listhdrr"><a href="#"><?=gettext("Online"); ?></a></td>
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353
|
<td class="listhdrr"><a href="#"><?=gettext("Lease Type"); ?></a></td>
|
|
354
|
</tr>
|
|
355
|
<?php
|
|
356
|
// Load MAC-Manufacturer table
|
|
357
|
$mac_man = load_mac_manufacturer_table();
|
|
358
|
foreach ($leases as $data) {
|
|
359
|
if (($data['act'] == "active") || ($data['act'] == "static" && !empty($data['ip'])) || ($_GET['all'] == 1)) {
|
|
360
|
if ($data['act'] != "active" && $data['act'] != "static") {
|
|
361
|
$fspans = "<span class=\"gray\">";
|
|
362
|
$fspane = " </span>";
|
|
363
|
} else {
|
|
364
|
$fspans = "";
|
|
365
|
$fspane = " ";
|
|
366
|
}
|
|
367
|
$lip = ip2ulong($data['ip']);
|
|
368
|
if ($data['act'] != "static") {
|
|
369
|
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) {
|
|
370
|
if (!is_array($dhcpifconf['range'])) {
|
|
371
|
continue;
|
|
372
|
}
|
|
373
|
if (($lip >= ip2ulong($dhcpifconf['range']['from'])) && ($lip <= ip2ulong($dhcpifconf['range']['to']))) {
|
|
374
|
$data['if'] = $dhcpif;
|
|
375
|
break;
|
|
376
|
}
|
|
377
|
// Check if the IP is in the range of any DHCP pools
|
|
378
|
if (is_array($dhcpifconf['pool'])) {
|
|
379
|
foreach ($dhcpifconf['pool'] as $dhcppool) {
|
|
380
|
if (is_array($dhcppool['range'])) {
|
|
381
|
if (($lip >= ip2ulong($dhcppool['range']['from'])) && ($lip <= ip2ulong($dhcppool['range']['to']))) {
|
|
382
|
$data['if'] = $dhcpif;
|
|
383
|
break 2;
|
|
384
|
}
|
|
385
|
}
|
|
386
|
}
|
|
387
|
}
|
|
388
|
}
|
|
389
|
}
|
|
390
|
echo "<tr>\n";
|
|
391
|
echo "<td class=\"listlr\">{$fspans}{$data['ip']}{$fspane}</td>\n";
|
|
392
|
$mac=$data['mac'];
|
|
393
|
$mac_hi = strtoupper($mac[0] . $mac[1] . $mac[3] . $mac[4] . $mac[6] . $mac[7]);
|
|
394
|
if ($data['online'] != "online") {
|
|
395
|
if (isset($mac_man[$mac_hi])) { // Manufacturer for this MAC is defined
|
|
396
|
echo "<td class=\"listr\">{$fspans}<a href=\"services_wol.php?if={$data['if']}&mac=$mac\" title=\"" . gettext("$mac - send Wake on LAN packet to this MAC address") ."\">{$mac}</a><br /><font size=\"-2\"><i>{$mac_man[$mac_hi]}</i></font>{$fspane}</td>\n";
|
|
397
|
} else {
|
|
398
|
echo "<td class=\"listr\">{$fspans}<a href=\"services_wol.php?if={$data['if']}&mac={$data['mac']}\" title=\"" . gettext("send Wake on LAN packet to this MAC address") ."\">{$data['mac']}</a>{$fspane}</td>\n";
|
|
399
|
}
|
|
400
|
} else {
|
|
401
|
if (isset($mac_man[$mac_hi])) { // Manufacturer for this MAC is defined
|
|
402
|
echo "<td class=\"listr\">{$fspans}{$mac}<br /><font size=\"-2\"><i>{$mac_man[$mac_hi]}</i></font>{$fspane}</td>\n";
|
|
403
|
} else {
|
|
404
|
echo "<td class=\"listr\">{$fspans}{$data['mac']}{$fspane}</td>\n";
|
|
405
|
}
|
|
406
|
}
|
|
407
|
echo "<td class=\"listr\">{$fspans}" . htmlentities($data['hostname']) . "{$fspane}</td>\n";
|
|
408
|
if ($data['type'] != "static") {
|
|
409
|
echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['start']) . "{$fspane}</td>\n";
|
|
410
|
echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['end']) . "{$fspane}</td>\n";
|
|
411
|
} else {
|
|
412
|
echo "<td class=\"listr\">{$fspans} n/a {$fspane}</td>\n";
|
|
413
|
echo "<td class=\"listr\">{$fspans} n/a {$fspane}</td>\n";
|
|
414
|
}
|
|
415
|
echo "<td class=\"listr\">{$fspans}{$data['online']}{$fspane}</td>\n";
|
|
416
|
echo "<td class=\"listr\">{$fspans}{$data['act']}{$fspane}</td>\n";
|
|
417
|
echo "<td valign=\"middle\"> ";
|
|
418
|
if ($data['type'] == "dynamic") {
|
|
419
|
echo "<a href=\"services_dhcp_edit.php?if={$data['if']}&mac={$data['mac']}&hostname={$data['hostname']}\">";
|
|
420
|
echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_plus.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("add a static mapping for this MAC address") ."\" alt=\"add\" /></a> \n";
|
|
421
|
} else {
|
|
422
|
echo "<a href=\"services_dhcp_edit.php?if={$data['if']}&id={$data['staticmap_array_index']}\">";
|
|
423
|
echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_e.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("edit the static mapping for this entry") ."\" alt=\"add\" /> \n";
|
|
424
|
}
|
|
425
|
|
|
426
|
echo "<a href=\"services_wol_edit.php?if={$data['if']}&mac={$data['mac']}&descr={$data['hostname']}\">";
|
|
427
|
echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_wol_all.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("add a Wake on LAN mapping for this MAC address") ."\" alt=\"add\" /></a> \n";
|
|
428
|
|
|
429
|
/* Only show the button for offline dynamic leases */
|
|
430
|
if (($data['type'] == "dynamic") && ($data['online'] != "online")) {
|
|
431
|
echo "<a href=\"status_dhcp_leases.php?deleteip={$data['ip']}&all=" . htmlspecialchars($_GET['all']) . "\">";
|
|
432
|
echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_x.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("delete this DHCP lease") . "\" alt=\"delete\" /></a> \n";
|
|
433
|
}
|
|
434
|
echo "</td></tr>\n";
|
|
435
|
}
|
|
436
|
}
|
|
437
|
|
|
438
|
?>
|
|
439
|
</table>
|
|
440
|
<br/>
|
|
441
|
<form action="status_dhcp_leases.php" method="get">
|
|
442
|
<input type="hidden" name="order" value="<?=htmlspecialchars($_GET['order']);?>" />
|
|
443
|
<?php if ($_GET['all']): ?>
|
|
444
|
<input type="hidden" name="all" value="0" />
|
|
445
|
<input type="submit" class="formbtn" value="<?=gettext("Show active and static leases only"); ?>" />
|
|
446
|
<?php else: ?>
|
|
447
|
<input type="hidden" name="all" value="1" />
|
|
448
|
<input type="submit" class="formbtn" value="<?=gettext("Show all configured leases"); ?>" />
|
|
449
|
<?php endif; ?>
|
|
450
|
</form>
|
|
451
|
<?php if ($leases == 0): ?>
|
|
452
|
<p><strong><?=gettext("No leases file found. Is the DHCP server active"); ?>?</strong></p>
|
|
453
|
<?php endif; ?>
|
|
454
|
|
|
455
|
<?php include("fend.inc"); ?>
|
|
456
|
</body>
|
|
457
|
</html>
|
