.
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/ndp /usr/bin/wc /usr/bin/grep
pfSense_MODULE: dhcpserver
*/
##|+PRIV
##|*IDENT=page-status-dhcpv6leases
##|*NAME=Status: DHCPv6 leases page
##|*DESCR=Allow access to the 'Status: DHCPv6 leases' page.
##|*MATCH=status_dhcpv6_leases.php*
##|-PRIV
require("guiconfig.inc");
require_once("config.inc");
$pgtitle = array(gettext("Status"), gettext("DHCPv6 leases"));
$shortcut_section = "dhcp6";
$leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd6.leases";
if (($_GET['deleteip']) && (is_ipaddr($_GET['deleteip']))) {
/* Stop DHCPD */
killbyname("dhcpd");
/* Read existing leases */
$leases_contents = explode("\n", file_get_contents($leasesfile));
$newleases_contents = array();
$i = 0;
while ($i < count($leases_contents)) {
/* Find the lease(s) we want to delete */
if ($leases_contents[$i] == " iaaddr {$_GET['deleteip']} {") {
/* The iaaddr line is two lines down from the start of the lease, so remove those two lines. */
array_pop($newleases_contents);
array_pop($newleases_contents);
/* Skip to the end of the lease declaration */
do {
$i++;
} while ($leases_contents[$i] != "}");
} 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_dhcpv6_leases.php?all={$_GET['all']}");
}
// Load MAC-Manufacturer table
$mac_man = load_mac_manufacturer_table();
include("head.inc");
function leasecmp($a, $b) {
return strcmp($a[$_GET['order']], $b[$_GET['order']]);
}
function adjust_gmt($dt) {
global $config;
$dhcpv6leaseinlocaltime == "no";
if (is_array($config['dhcpdv6'])) {
$dhcpdv6 = $config['dhcpdv6'];
foreach ($dhcpdv6 as $dhcpv6leaseinlocaltime) {
$dhcpv6leaseinlocaltime = $dhcpv6leaseinlocaltime['dhcpv6leaseinlocaltime'];
if ($dhcpv6leaseinlocaltime == "yes") {
break;
}
}
}
$timezone = $config['system']['timezone'];
$ts = strtotime($dt . " GMT");
if ($dhcpv6leaseinlocaltime == "yes") {
$this_tz = new DateTimeZone($timezone);
$dhcp_lt = new DateTime(strftime("%I:%M:%S%p", $ts), $this_tz);
$offset = $this_tz->getOffset($dhcp_lt);
$ts = $ts + $offset;
return strftime("%Y/%m/%d %I:%M:%S%p", $ts);
} else {
return strftime("%Y/%m/%d %H:%M:%S", $ts);
}
}
function remove_duplicate($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 $new;
}
function parse_duid($duid_string) {
$parsed_duid = array();
for ($i = 0; $i < strlen($duid_string); $i++) {
$s = substr($duid_string, $i, 1);
if ($s == '\\') {
$n = substr($duid_string, $i+1, 1);
if (($n == '\\') || ($n == '"')) {
$parsed_duid[] = sprintf("%02x", ord($n));
} elseif (is_numeric($n)) {
$parsed_duid[] = sprintf("%02x", octdec(substr($duid_string, $i+1, 3)));
$i += 3;
}
} else {
$parsed_duid[] = sprintf("%02x", ord($s));
}
}
$iaid = array_slice($parsed_duid, 0, 4);
$duid = array_slice($parsed_duid, 4);
return array($iaid, $duid);
}
$awk = "/usr/bin/awk";
/* this pattern sticks comments into a single array item */
$cleanpattern = "'{ gsub(\"^#.*\", \"\");} { gsub(\"^server-duid.*\", \"\");} { gsub(\";$\", \"\"); 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} | /usr/bin/grep '^ia-.. '", $leases_content);
$leases_count = count($leases_content);
exec("/usr/sbin/ndp -an", $rawdata);
$ndpdata = array();
foreach ($rawdata as $line) {
$elements = preg_split('/\s+/ ', $line);
if ($elements[1] != "(incomplete)") {
$ndpent = array();
$ip = trim(str_replace(array('(', ')'), '', $elements[0]));
$ndpent['mac'] = trim($elements[1]);
$ndpent['interface'] = trim($elements[2]);
$ndpdata[$ip] = $ndpent;
}
}
$pools = array();
$leases = array();
$prefixes = array();
$mappings = array();
$i = 0;
$l = 0;
$p = 0;
// Put everything together again
while ($i < $leases_count) {
$entry = array();
/* split the line by space */
$duid_split = array();
preg_match('/ia-.. "(.*)" { (.*)/ ', $leases_content[$i], $duid_split);
if (!empty($duid_split[1])) {
$iaid_duid = parse_duid($duid_split[1]);
$entry['iaid'] = hexdec(implode("", array_reverse($iaid_duid[0])));
$entry['duid'] = implode(":", $iaid_duid[1]);
$data = explode(" ", $duid_split[2]);
} else {
$data = explode(" ", $leases_content[$i]);
}
/* walk the fields */
$f = 0;
$fcount = count($data);
/* with less then 12 fields there is nothing useful */
if ($fcount < 12) {
$i++;
continue;
}
while ($f < $fcount) {
switch ($data[$f]) {
case "failover":
$pools[$p]['name'] = $data[$f+2];
$pools[$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 "ia-pd":
$is_prefix = true;
case "ia-na":
$entry['iaid'] = $tmp_iaid;
$entry['duid'] = $tmp_duid;
if ($data[$f+1][0] == '"') {
$duid = "";
/* FIXME: This needs a safety belt to prevent an infinite loop */
while ($data[$f][strlen($data[$f])-1] != '"') {
$duid .= " " . $data[$f+1];
$f++;
}
$entry['duid'] = $duid;
} else {
$entry['duid'] = $data[$f+1];
}
$entry['type'] = "dynamic";
$f = $f+2;
break;
case "iaaddr":
$entry['ip'] = $data[$f+1];
$entry['type'] = "dynamic";
if (in_array($entry['ip'], array_keys($ndpdata))) {
$entry['online'] = 'online';
} else {
$entry['online'] = 'offline';
}
$f = $f+2;
break;
case "iaprefix":
$is_prefix = true;
$entry['prefix'] = $data[$f+1];
$entry['type'] = "dynamic";
$f = $f+2;
break;
case "starts":
$entry['start'] = $data[$f+2];
$entry['start'] .= " " . $data[$f+3];
$f = $f+3;
break;
case "ends":
$entry['end'] = $data[$f+2];
$entry['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":
$entry['start'] = $data[$f+2];
$entry['start'] .= " " . $data[$f+3];
$f = $f+3;
break;
case "binding":
switch ($data[$f+2]) {
case "active":
$entry['act'] = "active";
break;
case "free":
$entry['act'] = "expired";
$entry['online'] = "offline";
break;
case "backup":
$entry['act'] = "reserved";
$entry['online'] = "offline";
break;
case "released":
$entry['act'] = "released";
$entry['online'] = "offline";
}
$f = $f+1;
break;
case "next":
/* skip the next binding statement */
$f = $f+3;
break;
case "hardware":
$f = $f+2;
break;
case "client-hostname":
if($data[$f+1] != "") {
$entry['hostname'] = preg_replace('/"/','',$data[$f+1]);
} else {
$hostname = gethostbyaddr($entry['ip']);
if($hostname != "") {
$entry['hostname'] = $hostname;
}
}
$f = $f+1;
break;
case "uid":
$f = $f+1;
break;
}
$f++;
}
if ($is_prefix) {
$prefixes[] = $entry;
} else {
$leases[] = $entry;
$mappings[$entry['iaid'] . $entry['duid']] = $entry['ip'];
}
$l++;
$i++;
$is_prefix = false;
}
if (count($leases) > 0) {
$leases = remove_duplicate($leases, "ip");
}
if (count($prefixes) > 0) {
$prefixes = remove_duplicate($prefixes, "prefix");
}
if (count($pools) > 0) {
$pools = remove_duplicate($pools, "name");
asort($pools);
}
foreach ($config['interfaces'] as $ifname => $ifarr) {
if (is_array($config['dhcpdv6'][$ifname]) &&
is_array($config['dhcpdv6'][$ifname]['staticmap'])) {
foreach ($config['dhcpdv6'][$ifname]['staticmap'] as $static) {
$slease = array();
$slease['ip'] = $static['ipaddrv6'];
$slease['type'] = "static";
$slease['duid'] = $static['duid'];
$slease['start'] = "";
$slease['end'] = "";
$slease['hostname'] = htmlentities($static['hostname']);
$slease['act'] = "static";
if (in_array($slease['ip'], array_keys($ndpdata))) {
$slease['online'] = 'online';
} else {
$slease['online'] = 'offline';
}
$leases[] = $slease;
}
}
}
if ($_GET['order']) {
usort($leases, "leasecmp");
}
/* only print pool status when we have one */
if (count($pools) > 0) {
?>
=gettext('Pool status')?>
=gettext("Failover Group")?> |
=gettext("My State")?> |
=gettext("Since")?> |
=gettext("Peer State")?> |
=gettext("Since")?> |
foreach ($pools as $data):?>
=$data['name']?> |
=$data['mystate']?> |
=adjust_gmt($data['mydate'])?> |
=$data['peerstate']?> |
=adjust_gmt($data['peerdate'])?> |
endforeach?>
'. gettext("No leases file found. Is the DHCP server active?") .'';
?>
=gettext('Leases')?>
|
=gettext("IPv6 address")?> |
=gettext("IAID")?> |
=gettext("DUID")?> |
=gettext("MAC address")?> |
=gettext("Hostname")?> |
=gettext("Start")?> |
=gettext("End")?> |
=gettext("Online")?> |
=gettext("Lease Type")?> |
$dhcpifconf) {
if(is_array($dhcpifconf['staticmap'])) {
foreach ($dhcpifconf['staticmap'] as $staticent) {
if ($data['ip'] == $staticent['ipaddr']) {
$data['if'] = $dhcpif;
break;
}
}
}
/* exit as soon as we have an interface */
if ($data['if'] != "")
break;
}
} else {
$data['if'] = convert_real_interface_to_friendly_interface_name(guess_interface_from_ip($data['ip']));
}
$mac = trim($ndpdata[$data['ip']]['mac']);
$mac_hi = strtoupper($mac[0] . $mac[1] . $mac[3] . $mac[4] . $mac[6] . $mac[7]);
?>
|
=$data['ip']?> |
=$data['iaid']?> |
=$data['duid']?> |
=$mac?>
if(isset($mac_man[$mac_hi])):?>
(=$mac_man[$mac_hi]?>)
|
=htmlentities($data['hostname'])?> |
if ($data['type'] != "static"):?>
=adjust_gmt($data['start'])?> |
=adjust_gmt($data['end'])?> |
else: ?>
n/a |
n/a |
endif; ?>
=$data['online']?> |
=$data['act']?> |
if ($data['type'] == "dynamic"): ?>
=gettext("add static mapping")?>
endif; ?>
add WOL mapping
if ($data['type'] == "dynamic" && $data['online'] != "online"):?>
delete lease
endif?>
|
endforeach; ?>
=gettext('Delegated Prefixes')?>
=gettext("IPv6 Prefix")?> |
=gettext("IAID")?> |
=gettext("DUID")?> |
=gettext("Start")?> |
=gettext("End")?> |
=gettext("State")?> |
$dhcpifconf) {
if(is_array($dhcpifconf['staticmap'])) {
foreach ($dhcpifconf['staticmap'] as $staticent) {
if ($data['ip'] == $staticent['ipaddr']) {
$data['if'] = $dhcpif;
break;
}
}
}
/* exit as soon as we have an interface */
if ($data['if'] != "")
break;
}
} else {
$data['if'] = convert_real_interface_to_friendly_interface_name(guess_interface_from_ip($data['ip']));
}
{
$dip = "";
}
?>
|
=$data['prefix']?>
if ($mappings[$data['iaid'] . $data['duid']]): ?>
=gettext('Routed To')?>: =$mappings[$data['iaid'] . $data['duid']]?>
endif; ?>
|
=$data['iaid']?> |
=$data['duid']?> |
if ($data['type'] != "static"):?>
=adjust_gmt($data['start'])?> |
=adjust_gmt($data['end'])?> |
else: ?>
n/a |
n/a |
endif; ?>
=$data['act']?> |
endforeach; ?>
=gettext("Show active and static leases only")?>
=gettext("Show all configured leases")?>