. 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"); ?> $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) { ?> \n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; } ?>


{$fspans}{$data['name']}{$fspane}	{$fspans}{$data['mystate']}{$fspane}	{$fspans}" . adjust_gmt($data['mydate']) . "{$fspane}	{$fspans}{$data['peerstate']}{$fspane}	{$fspans}" . adjust_gmt($data['peerdate']) . "{$fspane}

"; $fspane = " "; } 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 "\n"; echo "\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 "\n"; } else { echo "\n"; } } else { if(isset($mac_man[$mac_hi])){ // Manufacturer for this MAC is defined echo "\n"; } else { echo "\n"; } } echo "\n"; if ($data['type'] != "static") { echo "\n"; echo "\n"; } else { echo "\n"; echo "\n"; } echo "\n"; echo "\n"; echo "\n"; } } ?>

{$fspans}{$data['ip']}{$fspane}

{$fspans}{$mac}
{$mac_man[$mac_hi]}{$fspane}

{$fspans}{$data['mac']}{$fspane}

{$fspans}{$mac}
{$mac_man[$mac_hi]}{$fspane}

{$fspans}{$data['mac']}{$fspane}

{$fspans}" . htmlentities($data['hostname']) . "{$fspane}

{$fspans}" . adjust_gmt($data['start']) . "{$fspane}

{$fspans}" . adjust_gmt($data['end']) . "{$fspane}

{$fspans} n/a {$fspane}

{$fspans}{$data['online']}{$fspane}

{$fspans}{$data['act']}{$fspane}

"; if ($data['type'] == "dynamic") { echo ""; echo " $\"add\"$ \n"; } else { echo ""; echo " $\"add\"$ \n"; } echo ""; echo " $\"add\"$ \n"; /* Only show the button for offline dynamic leases */ if (($data['type'] == "dynamic") && ($data['online'] != "online")) { echo ""; echo " $\"delete\"$ \n"; } echo "