diff options
Diffstat (limited to 'src/usr/local/www/status_dhcp_leases.php')
| -rw-r--r-- | src/usr/local/www/status_dhcp_leases.php | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/src/usr/local/www/status_dhcp_leases.php b/src/usr/local/www/status_dhcp_leases.php new file mode 100644 index 0000000..4c37f21 --- /dev/null +++ b/src/usr/local/www/status_dhcp_leases.php @@ -0,0 +1,457 @@ +<?php +/* $Id$ */ +/* + status_dhcp_leases.php + Copyright (C) 2013-2015 Electric Sheep Fencing, LP + Copyright (C) 2004-2009 Scott Ullrich + All rights reserved. + + originally part of m0n0wall (http://m0n0.ch/wall) + Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>. + 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_BUILDER_BINARIES: /usr/bin/awk /bin/cat /usr/sbin/arp /usr/bin/wc /usr/bin/grep + pfSense_MODULE: dhcpserver +*/ + +##|+PRIV +##|*IDENT=page-status-dhcpleases +##|*NAME=Status: DHCP leases page +##|*DESCR=Allow access to the 'Status: DHCP leases' page. +##|*MATCH=status_dhcp_leases.php* +##|-PRIV + +require("guiconfig.inc"); +require_once("config.inc"); + +$pgtitle = array(gettext("Status"), gettext("DHCP leases")); +$shortcut_section = "dhcp"; + +$leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd.leases"; + +if (($_GET['deleteip']) && (is_ipaddr($_GET['deleteip']))) { + /* Stop DHCPD */ + killbyname("dhcpd"); + + /* Read existing leases */ + /* $leases_contents has the lines of the file, including the newline char at the end of each line. */ + $leases_contents = file($leasesfile); + $newleases_contents = array(); + $i = 0; + while ($i < count($leases_contents)) { + /* Find the lease(s) we want to delete */ + if ($leases_contents[$i] == "lease {$_GET['deleteip']} {\n") { + /* Skip to the end of the lease declaration */ + do { + $i++; + } while ($leases_contents[$i] != "}\n"); + } else { + /* It's a line we want to keep, copy it over. */ + $newleases_contents[] = $leases_contents[$i]; + } + $i++; + } + + /* Write out the new leases file */ + $fd = fopen($leasesfile, 'w'); + fwrite($fd, implode("\n", $newleases_contents)); + fclose($fd); + + /* Restart DHCP Service */ + services_dhcpd_configure(); + header("Location: status_dhcp_leases.php?all={$_GET['all']}"); +} + +include("head.inc"); + +?> + +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> +<?php include("fbegin.inc"); ?> +<?php + +function leasecmp($a, $b) { + return strcmp($a[$_GET['order']], $b[$_GET['order']]); +} + +function adjust_gmt($dt) { + global $config; + $dhcpd = $config['dhcpd']; + foreach ($dhcpd as $dhcpditem) { + $dhcpleaseinlocaltime = $dhcpditem['dhcpleaseinlocaltime']; + if ($dhcpleaseinlocaltime == "yes") { + break; + } + } + if ($dhcpleaseinlocaltime == "yes") { + $ts = strtotime($dt . " GMT"); + if ($ts !== false) { + return strftime("%Y/%m/%d %I:%M:%S%p", $ts); + } + } + /* If we did not need to convert to local time or the conversion failed, just return the input. */ + return $dt; +} + +function remove_duplicate($array, $field) { + foreach ($array as $sub) { + $cmp[] = $sub[$field]; + } + $unique = array_unique(array_reverse($cmp, true)); + foreach ($unique as $k => $rien) { + $new[] = $array[$k]; + } + return $new; +} + +$awk = "/usr/bin/awk"; +/* this pattern sticks comments into a single array item */ +$cleanpattern = "'{ gsub(\"#.*\", \"\");} { gsub(\";\", \"\"); print;}'"; +/* We then split the leases file by } */ +$splitpattern = "'BEGIN { RS=\"}\";} {for (i=1; i<=NF; i++) printf \"%s \", \$i; printf \"}\\n\";}'"; + +/* stuff the leases file in a proper format into a array by line */ +exec("/bin/cat {$leasesfile} | {$awk} {$cleanpattern} | {$awk} {$splitpattern}", $leases_content); +$leases_count = count($leases_content); +exec("/usr/sbin/arp -an", $rawdata); +$arpdata_ip = array(); +$arpdata_mac = array(); +foreach ($rawdata as $line) { + $elements = explode(' ', $line); + if ($elements[3] != "(incomplete)") { + $arpent = array(); + $arpdata_ip[] = trim(str_replace(array('(', ')'), '', $elements[1])); + $arpdata_mac[] = strtolower(trim($elements[3])); + } +} +unset($rawdata); +$pools = array(); +$leases = array(); +$i = 0; +$l = 0; +$p = 0; + +// Put everything together again +foreach ($leases_content as $lease) { + /* split the line by space */ + $data = explode(" ", $lease); + /* walk the fields */ + $f = 0; + $fcount = count($data); + /* with less than 20 fields there is nothing useful */ + if ($fcount < 20) { + $i++; + continue; + } + while ($f < $fcount) { + switch ($data[$f]) { + case "failover": + $pools[$p]['name'] = trim($data[$f+2], '"'); + $pools[$p]['name'] = "{$pools[$p]['name']} (" . convert_friendly_interface_to_friendly_descr(substr($pools[$p]['name'], 5)) . ")"; + $pools[$p]['mystate'] = $data[$f+7]; + $pools[$p]['peerstate'] = $data[$f+14]; + $pools[$p]['mydate'] = $data[$f+10]; + $pools[$p]['mydate'] .= " " . $data[$f+11]; + $pools[$p]['peerdate'] = $data[$f+17]; + $pools[$p]['peerdate'] .= " " . $data[$f+18]; + $p++; + $i++; + continue 3; + case "lease": + $leases[$l]['ip'] = $data[$f+1]; + $leases[$l]['type'] = "dynamic"; + $f = $f+2; + break; + case "starts": + $leases[$l]['start'] = $data[$f+2]; + $leases[$l]['start'] .= " " . $data[$f+3]; + $f = $f+3; + break; + case "ends": + if ($data[$f+1] == "never") { + // Quote from dhcpd.leases(5) man page: + // If a lease will never expire, date is never instead of an actual date. + $leases[$l]['end'] = gettext("Never"); + $f = $f+1; + } else { + $leases[$l]['end'] = $data[$f+2]; + $leases[$l]['end'] .= " " . $data[$f+3]; + $f = $f+3; + } + break; + case "tstp": + $f = $f+3; + break; + case "tsfp": + $f = $f+3; + break; + case "atsfp": + $f = $f+3; + break; + case "cltt": + $f = $f+3; + break; + case "binding": + switch ($data[$f+2]) { + case "active": + $leases[$l]['act'] = "active"; + break; + case "free": + $leases[$l]['act'] = "expired"; + $leases[$l]['online'] = "offline"; + break; + case "backup": + $leases[$l]['act'] = "reserved"; + $leases[$l]['online'] = "offline"; + break; + } + $f = $f+1; + break; + case "next": + /* skip the next binding statement */ + $f = $f+3; + break; + case "rewind": + /* skip the rewind binding statement */ + $f = $f+3; + break; + case "hardware": + $leases[$l]['mac'] = $data[$f+2]; + /* check if it's online and the lease is active */ + if (in_array($leases[$l]['ip'], $arpdata_ip)) { + $leases[$l]['online'] = 'online'; + } else { + $leases[$l]['online'] = 'offline'; + } + $f = $f+2; + break; + case "client-hostname": + if ($data[$f+1] <> "") { + $leases[$l]['hostname'] = preg_replace('/"/', '', $data[$f+1]); + } else { + $hostname = gethostbyaddr($leases[$l]['ip']); + if ($hostname <> "") { + $leases[$l]['hostname'] = $hostname; + } + } + $f = $f+1; + break; + case "uid": + $f = $f+1; + break; + } + $f++; + } + $l++; + $i++; + /* slowly chisel away at the source array */ + array_shift($leases_content); +} +/* remove the old array */ +unset($lease_content); + +/* remove duplicate items by mac address */ +if (count($leases) > 0) { + $leases = remove_duplicate($leases, "ip"); +} + +if (count($pools) > 0) { + $pools = remove_duplicate($pools, "name"); + asort($pools); +} + +foreach ($config['interfaces'] as $ifname => $ifarr) { + if (is_array($config['dhcpd'][$ifname]) && + is_array($config['dhcpd'][$ifname]['staticmap'])) { + $staticmap_array_index = 0; + foreach ($config['dhcpd'][$ifname]['staticmap'] as $static) { + $slease = array(); + $slease['ip'] = $static['ipaddr']; + $slease['type'] = "static"; + $slease['mac'] = $static['mac']; + $slease['if'] = $ifname; + $slease['start'] = ""; + $slease['end'] = ""; + $slease['hostname'] = htmlentities($static['hostname']); + $slease['act'] = "static"; + $slease['online'] = in_array(strtolower($slease['mac']), $arpdata_mac) ? 'online' : 'offline'; + $slease['staticmap_array_index'] = $staticmap_array_index; + $leases[] = $slease; + $staticmap_array_index++; + } + } +} + +if ($_GET['order']) { + usort($leases, "leasecmp"); +} + +/* only print pool status when we have one */ +if (count($pools) > 0) { +?> +<table class="tabcont sortable" width="100%" border="0" cellpadding="0" cellspacing="0" summary="dhcp leases"> + <tr> + <td class="listhdrr"><?=gettext("Failover Group"); ?></a></td> + <td class="listhdrr"><?=gettext("My State"); ?></a></td> + <td class="listhdrr"><?=gettext("Since"); ?></a></td> + <td class="listhdrr"><?=gettext("Peer State"); ?></a></td> + <td class="listhdrr"><?=gettext("Since"); ?></a></td> + </tr> +<?php + foreach ($pools as $data) { + echo "<tr>\n"; + echo "<td class=\"listlr\">{$fspans}{$data['name']}{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}{$data['mystate']}{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['mydate']) . "{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}{$data['peerstate']}{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['peerdate']) . "{$fspane}</td>\n"; + echo "<td class=\"list\" valign=\"middle\" width=\"17\"> </td>\n"; + echo "<td class=\"list\" valign=\"middle\" width=\"17\"> </td>\n"; + echo "</tr>\n"; + } +?> +</table> + +<?php +/* only print pool status when we have one */ +} +?> + +<br/> + +<table class="tabcont sortable" width="100%" border="0" cellpadding="0" cellspacing="0" summary="dhcp leases"> + <tr> + <td class="listhdrr"><a href="#"><?=gettext("IP address"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("MAC address"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("Hostname"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("Start"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("End"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("Online"); ?></a></td> + <td class="listhdrr"><a href="#"><?=gettext("Lease Type"); ?></a></td> + </tr> +<?php +// Load MAC-Manufacturer table +$mac_man = load_mac_manufacturer_table(); +foreach ($leases as $data) { + if (($data['act'] == "active") || ($data['act'] == "static" && !empty($data['ip'])) || ($_GET['all'] == 1)) { + if ($data['act'] != "active" && $data['act'] != "static") { + $fspans = "<span class=\"gray\">"; + $fspane = " </span>"; + } else { + $fspans = ""; + $fspane = " "; + } + $lip = ip2ulong($data['ip']); + if ($data['act'] != "static") { + foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) { + if (!is_array($dhcpifconf['range'])) { + continue; + } + if (($lip >= ip2ulong($dhcpifconf['range']['from'])) && ($lip <= ip2ulong($dhcpifconf['range']['to']))) { + $data['if'] = $dhcpif; + break; + } + // Check if the IP is in the range of any DHCP pools + if (is_array($dhcpifconf['pool'])) { + foreach ($dhcpifconf['pool'] as $dhcppool) { + if (is_array($dhcppool['range'])) { + if (($lip >= ip2ulong($dhcppool['range']['from'])) && ($lip <= ip2ulong($dhcppool['range']['to']))) { + $data['if'] = $dhcpif; + break 2; + } + } + } + } + } + } + echo "<tr>\n"; + echo "<td class=\"listlr\">{$fspans}{$data['ip']}{$fspane}</td>\n"; + $mac=$data['mac']; + $mac_hi = strtoupper($mac[0] . $mac[1] . $mac[3] . $mac[4] . $mac[6] . $mac[7]); + if ($data['online'] != "online") { + if (isset($mac_man[$mac_hi])) { // Manufacturer for this MAC is defined + 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"; + } else { + 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>{$fspane}</td>\n"; + } + } else { + if (isset($mac_man[$mac_hi])) { // Manufacturer for this MAC is defined + echo "<td class=\"listr\">{$fspans}{$mac}<br /><font size=\"-2\"><i>{$mac_man[$mac_hi]}</i></font>{$fspane}</td>\n"; + } else { + echo "<td class=\"listr\">{$fspans}{$data['mac']}{$fspane}</td>\n"; + } + } + echo "<td class=\"listr\">{$fspans}" . htmlentities($data['hostname']) . "{$fspane}</td>\n"; + if ($data['type'] != "static") { + echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['start']) . "{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}" . adjust_gmt($data['end']) . "{$fspane}</td>\n"; + } else { + echo "<td class=\"listr\">{$fspans} n/a {$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans} n/a {$fspane}</td>\n"; + } + echo "<td class=\"listr\">{$fspans}{$data['online']}{$fspane}</td>\n"; + echo "<td class=\"listr\">{$fspans}{$data['act']}{$fspane}</td>\n"; + echo "<td valign=\"middle\"> "; + if ($data['type'] == "dynamic") { + echo "<a href=\"services_dhcp_edit.php?if={$data['if']}&mac={$data['mac']}&hostname={$data['hostname']}\">"; + echo "<img src=\"/themes/{$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"; + } else { + echo "<a href=\"services_dhcp_edit.php?if={$data['if']}&id={$data['staticmap_array_index']}\">"; + echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_e.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("edit the static mapping for this entry") ."\" alt=\"add\" /> \n"; + } + + echo "<a href=\"services_wol_edit.php?if={$data['if']}&mac={$data['mac']}&descr={$data['hostname']}\">"; + echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_wol_all.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("add a Wake on LAN mapping for this MAC address") ."\" alt=\"add\" /></a> \n"; + + /* Only show the button for offline dynamic leases */ + if (($data['type'] == "dynamic") && ($data['online'] != "online")) { + echo "<a href=\"status_dhcp_leases.php?deleteip={$data['ip']}&all=" . htmlspecialchars($_GET['all']) . "\">"; + echo "<img src=\"/themes/{$g['theme']}/images/icons/icon_x.gif\" width=\"17\" height=\"17\" border=\"0\" title=\"" . gettext("delete this DHCP lease") . "\" alt=\"delete\" /></a> \n"; + } + echo "</td></tr>\n"; + } +} + +?> +</table> +<br/> +<form action="status_dhcp_leases.php" method="get"> + <input type="hidden" name="order" value="<?=htmlspecialchars($_GET['order']);?>" /> +<?php if ($_GET['all']): ?> + <input type="hidden" name="all" value="0" /> + <input type="submit" class="formbtn" value="<?=gettext("Show active and static leases only"); ?>" /> +<?php else: ?> + <input type="hidden" name="all" value="1" /> + <input type="submit" class="formbtn" value="<?=gettext("Show all configured leases"); ?>" /> +<?php endif; ?> +</form> +<?php if ($leases == 0): ?> +<p><strong><?=gettext("No leases file found. Is the DHCP server active"); ?>?</strong></p> +<?php endif; ?> + +<?php include("fend.inc"); ?> +</body> +</html> |
