#!/usr/local/bin/php
.
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.
*/
require("guiconfig.inc");
$if = $_GET['if'];
if ($_POST['if'])
$if = $_POST['if'];
if (!$if) {
header("Location: services_dhcp.php");
exit;
}
if (!is_array($config['dhcpd'][$if]['staticmap'])) {
$config['dhcpd'][$if]['staticmap'] = array();
}
staticmaps_sort($if);
$a_maps = &$config['dhcpd'][$if]['staticmap'];
$ifcfg = &$config['interfaces'][$if];
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (isset($id) && $a_maps[$id]) {
$pconfig['mac'] = $a_maps[$id]['mac'];
$pconfig['ipaddr'] = $a_maps[$id]['ipaddr'];
$pconfig['descr'] = $a_maps[$id]['descr'];
}
if ($_POST) {
unset($input_errors);
$pconfig = $_POST;
/* input validation */
$reqdfields = explode(" ", "mac");
$reqdfieldsn = explode(",", "MAC address");
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
if (($_POST['ipaddr'] && !is_ipaddr($_POST['ipaddr']))) {
$input_errors[] = "A valid IP address must be specified.";
}
if (($_POST['mac'] && !is_macaddr($_POST['mac']))) {
$input_errors[] = "A valid MAC address must be specified.";
}
/* check for overlaps */
foreach ($a_maps as $mapent) {
if (isset($id) && ($a_maps[$id]) && ($a_maps[$id] === $mapent))
continue;
if (($mapent['mac'] == $_POST['mac']) || ($_POST['ipaddr'] && (ip2long($mapent['ipaddr']) == ip2long($_POST['ipaddr'])))) {
$input_errors[] = "This IP or MAC address already exists.";
break;
}
}
/* make sure it's not within the dynamic subnet */
if ($_POST['ipaddr']) {
$dynsubnet_start = ip2long($config['dhcpd'][$if]['range']['from']);
$dynsubnet_end = ip2long($config['dhcpd'][$if]['range']['to']);
$lansubnet_start = (ip2long($ifcfg['ipaddr']) & gen_subnet_mask_long($ifcfg['subnet']));
$lansubnet_end = (ip2long($ifcfg['ipaddr']) | (~gen_subnet_mask_long($ifcfg['subnet'])));
if ((ip2long($_POST['ipaddr']) >= $dynsubnet_start) &&
(ip2long($_POST['ipaddr']) <= $dynsubnet_end)) {
$input_errors[] = "Static IP addresses may not lie within the dynamic client range.";
}
if ((ip2long($_POST['ipaddr']) < $lansubnet_start) ||
(ip2long($_POST['ipaddr']) > $lansubnet_end)) {
$input_errors[] = "The IP address must lie in the {$ifcfg['descr']} subnet.";
}
}
if (!$input_errors) {
$mapent = array();
$mapent['mac'] = $_POST['mac'];
$mapent['ipaddr'] = $_POST['ipaddr'];
$mapent['descr'] = $_POST['descr'];
if (isset($id) && $a_maps[$id])
$a_maps[$id] = $mapent;
else
$a_maps[] = $mapent;
touch($d_staticmapsdirty_path);
write_config();
header("Location: services_dhcp.php?if={$if}");
exit;
}
}
?>
<?=gentitle("Services: DHCP: Edit static mapping");?>