<commit_before><?php
/* $Id$ */
/*
	services_dhcp.php
	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2004 <NAME> <<EMAIL>>.
	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.
*/

##|+PRIV
##|*IDENT=page-services-dhcpserver
##|*NAME=Services: DHCP server page
##|*DESCR=Allow access to the 'Services: DHCP server' page.
##|*MATCH=services_dhcp.php*
##|-PRIV


require("guiconfig.inc");

$if = $_GET['if'];
if ($_POST['if'])
	$if = $_POST['if'];

/* if OLSRD is enabled, allow WAN to house DHCP. */
if($config['installedpackages']['olsrd']) {
	foreach($config['installedpackages']['olsrd']['config'] as $olsrd) {
			if($olsrd['enable']) {
				$is_olsr_enabled = true;
				break;
			}
	}
}

$ifdescrs = get_configured_interface_with_descr();

foreach ($ifdescrs as $ifname => $ifdesc) {
	$oc = $config['interfaces'][$ifname];

	if (!is_ipaddr($oc['ipaddr']) && $is_olsr_enabled)
		$singleif_nostaticip = true;
	else if ($oc['if']) 
		$iflist[$ifname] = $ifdesc;
}

/* set the starting interface */
if($config['interfaces']['lan']) {
	if (!$if || !isset($iflist[$if]))
		$if = "lan";
} else {
	$if = "wan";
}

$pconfig['range_from'] = $config['dhcpd'][$if]['range']['from'];
$pconfig['range_to'] = $config['dhcpd'][$if]['range']['to'];
$pconfig['deftime'] = $config['dhcpd'][$if]['defaultleasetime'];
$pconfig['maxtime'] = $config['dhcpd'][$if]['maxleasetime'];
$pconfig['gateway'] = $config['dhcpd'][$if]['gateway'];
$pconfig['domain'] = $config['dhcpd'][$if]['domain'];
$pconfig['domainsearchlist'] = $config['dhcpd'][$if]['domainsearchlist'];
list($pconfig['wins1'],$pconfig['wins2']) = $config['dhcpd'][$if]['winsserver'];
list($pconfig['dns1'],$pconfig['dns2']) = $config['dhcpd'][$if]['dnsserver'];
$pconfig['enable'] = isset($config['dhcpd'][$if]['enable']);
$pconfig['denyunknown'] = isset($config['dhcpd'][$if]['denyunknown']);
$pconfig['staticarp'] = isset($config['dhcpd'][$if]['staticarp']);
$pconfig['ddnsdomain'] = $config['dhcpd'][$if]['ddnsdomain'];
$pconfig['ddnsupdate'] = isset($config['dhcpd'][$if]['ddnsupdate']);
list($pconfig['ntp1'],$pconfig['ntp2']) = $config['dhcpd'][$if]['ntpserver'];
$pconfig['tftp'] = $config['dhcpd'][$if]['tftp'];
$pconfig['ldap'] = $config['dhcpd'][$if]['ldap'];
$pconfig['netboot'] = isset($config['dhcpd'][$if]['netboot']);
$pconfig['nextserver'] = $config['dhcpd'][$if]['next-server'];
$pconfig['filename'] = $config['dhcpd'][$if]['filename'];
$pconfig['rootpath'] = $config['dhcpd'][$if]['rootpath'];
$pconfig['failover_peerip'] = $config['dhcpd'][$if]['failover_peerip'];
$pconfig['netmask'] = $config['dhcpd'][$if]['netmask'];

$ifcfg = $config['interfaces'][$if];


/*   set the enabled flag which will tell us if DHCP relay is enabled
 *   on any interface.   We will use this to disable DHCP server since
 *   the two are not compatible with each other.
 */

$dhcrelay_enabled = false;
$dhcrelaycfg = $config['dhcrelay'];

if(is_array($dhcrelaycfg)) {
	foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {
		if (isset($dhcrelayifconf['enable']) &&
			(($dhcrelayif == "lan") ||
			(isset($config['interfaces'][$dhcrelayif]['enable']) &&
			$config['interfaces'][$dhcrelayif]['if'] && (!link_int_to_bridge_interface($dhcrelayif)))))
			$dhcrelay_enabled = true;
	}
}

if (!is_array($config['dhcpd'][$if]['staticmap'])) {
	$config['dhcpd'][$if]['staticmap'] = array();
}
staticmaps_sort($if);
$a_maps = &$config['dhcpd'][$if]['staticmap'];

function is_inrange($test, $start, $end) {
	if ( (ip2long($test) < ip2long($end)) && (ip2long($test) > ip2long($start)) )
		return true;
	else
		return false;
}

if ($_POST) {

	unset($input_errors);

	$pconfig = $_POST;

	/* input validation */
	if ($_POST['enable']) {
		$reqdfields = explode(" ", "range_from range_to");
		$reqdfieldsn = explode(",", "Range begin,Range end");

		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
		
		if (($_POST['range_from'] && !is_ipaddr($_POST['range_from']))) {
			$input_errors[] = "A valid range must be specified.";
		}
		if (($_POST['range_to'] && !is_ipaddr($_POST['range_to']))) {
			$input_errors[] = "A valid range must be specified.";
		}
		if (($_POST['gateway'] && !is_ipaddr($_POST['gateway']))) {
			$input_errors[] = "A valid IP address must be specified for the gateway.";
		}
		if (($_POST['wins1'] && !is_ipaddr($_POST['wins1'])) || ($_POST['wins2'] && !is_ipaddr($_POST['wins2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary WINS servers.";
		}
		if (($_POST['dns1'] && !is_ipaddr($_POST['dns1'])) || ($_POST['dns2'] && !is_ipaddr($_POST['dns2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary DNS servers.";
		}
		if ($_POST['deftime'] && (!is_numeric($_POST['deftime']) || ($_POST['deftime'] < 60))) {
			$input_errors[] = "The default lease time must be at least 60 seconds.";
		}
		if ($_POST['maxtime'] && (!is_numeric($_POST['maxtime']) || ($_POST['maxtime'] < 60) || ($_POST['maxtime'] <= $_POST['deftime']))) {
			$input_errors[] = "The maximum lease time must be at least 60 seconds and higher than the default lease time.";
		}
		if (($_POST['ddnsdomain'] && !is_domain($_POST['ddnsdomain']))) {
			$input_errors[] = "A valid domain name must be specified for the dynamic DNS registration.";
		}
		if (($_POST['ntp1'] && !is_ipaddr($_POST['ntp1'])) || ($_POST['ntp2'] && !is_ipaddr($_POST['ntp2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary NTP servers.";
		}
		if (($_POST['domain'] && !is_domain($_POST['domain']))) {
			$input_errors[] = "A valid domain name must be specified for the DNS domain.";
    }
		if (($_POST['tftp'] && !is_ipaddr($_POST['tftp']))) {
			$input_errors[] = "A valid IP address must be specified for the tftp server.";
		}
		if (($_POST['nextserver'] && !is_ipaddr($_POST['nextserver']))) {
			$input_errors[] = "A valid IP address must be specified for the network boot server.";
		}

		if (!$input_errors) {
			/* make sure the range lies within the current subnet */
			$subnet_start = (ip2long($ifcfg['ipaddr']) & gen_subnet_mask_long($ifcfg['subnet']));
			$subnet_end = (ip2long($ifcfg['ipaddr']) | (~gen_subnet_mask_long($ifcfg['subnet'])));

			if ((ip2long($_POST['range_from']) < $subnet_start) || (ip2long($_POST['range_from']) > $subnet_end) ||
			    (ip2long($_POST['range_to']) < $subnet_start) || (ip2long($_POST['range_to']) > $subnet_end)) {
				$input_errors[] = "The specified range lies outside of the current subnet.";
			}

			if (ip2long($_POST['range_from']) > ip2long($_POST['range_to']))
				$input_errors[] = "The range is invalid (first element higher than second element).";

			/* make sure that the DHCP Relay isn't enabled on this interface */
			if (isset($config['dhcrelay'][$if]['enable']))
				$input_errors[] = "You must disable the DHCP relay on the {$iflist[$if]} interface before enabling the DHCP server.";
		}
	}

	if (!$input_errors) {
		$config['dhcpd'][$if]['range']['from'] = $_POST['range_from'];
		$config['dhcpd'][$if]['range']['to'] = $_POST['range_to'];
		$config['dhcpd'][$if]['defaultleasetime'] = $_POST['deftime'];
		$config['dhcpd'][$if]['maxleasetime'] = $_POST['maxtime'];
		$config['dhcpd'][$if]['netmask'] = $_POST['netmask'];
		$previous = $config['dhcpd'][$if]['failover_peerip'];
		if($previous <> $_POST['failover_peerip']) {
			mwexec("rm -rf /var/dhcpd/var/db/*");
		}<commit_msg>Add some check if we are working with arrays and fix the check for not allowing dhcpd to be configured on nonstatic ip interfaces.<commit_after><?php
/* $Id$ */
/*
	services_dhcp.php
	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2004 <NAME> <<EMAIL>>.
	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.
*/

##|+PRIV
##|*IDENT=page-services-dhcpserver
##|*NAME=Services: DHCP server page
##|*DESCR=Allow access to the 'Services: DHCP server' page.
##|*MATCH=services_dhcp.php*
##|-PRIV


require("guiconfig.inc");

$if = $_GET['if'];
if ($_POST['if'])
	$if = $_POST['if'];

/* if OLSRD is enabled, allow WAN to house DHCP. */
if($config['installedpackages']['olsrd']) {
	foreach($config['installedpackages']['olsrd']['config'] as $olsrd) {
			if($olsrd['enable']) {
				$is_olsr_enabled = true;
				break;
			}
	}
}

$ifdescrs = get_configured_interface_with_descr();

foreach ($ifdescrs as $ifname => $ifdesc) {
	$oc = $config['interfaces'][$ifname];

	if (!is_ipaddr($oc['ipaddr']) && !$is_olsr_enabled)
		$singleif_nostaticip = true;
	else if ($oc['if']) 
		$iflist[$ifname] = $ifdesc;
}

/* set the starting interface */
if($config['interfaces']['lan']) {
	if (!$if || !isset($iflist[$if]))
		$if = "lan";
} else
	$if = "wan";

if (is_array($config['dhcpd'][$if])){
	if (is_array($config['dhcpd'][$if]['range'])) {
		$pconfig['range_from'] = $config['dhcpd'][$if]['range']['from'];
		$pconfig['range_to'] = $config['dhcpd'][$if]['range']['to'];
	}
	$pconfig['deftime'] = $config['dhcpd'][$if]['defaultleasetime'];
	$pconfig['maxtime'] = $config['dhcpd'][$if]['maxleasetime'];
	$pconfig['gateway'] = $config['dhcpd'][$if]['gateway'];
	$pconfig['domain'] = $config['dhcpd'][$if]['domain'];
	$pconfig['domainsearchlist'] = $config['dhcpd'][$if]['domainsearchlist'];
	list($pconfig['wins1'],$pconfig['wins2']) = $config['dhcpd'][$if]['winsserver'];
	list($pconfig['dns1'],$pconfig['dns2']) = $config['dhcpd'][$if]['dnsserver'];
	$pconfig['enable'] = isset($config['dhcpd'][$if]['enable']);
	$pconfig['denyunknown'] = isset($config['dhcpd'][$if]['denyunknown']);
	$pconfig['staticarp'] = isset($config['dhcpd'][$if]['staticarp']);
	$pconfig['ddnsdomain'] = $config['dhcpd'][$if]['ddnsdomain'];
	$pconfig['ddnsupdate'] = isset($config['dhcpd'][$if]['ddnsupdate']);
	list($pconfig['ntp1'],$pconfig['ntp2']) = $config['dhcpd'][$if]['ntpserver'];
	$pconfig['tftp'] = $config['dhcpd'][$if]['tftp'];
	$pconfig['ldap'] = $config['dhcpd'][$if]['ldap'];
	$pconfig['netboot'] = isset($config['dhcpd'][$if]['netboot']);
	$pconfig['nextserver'] = $config['dhcpd'][$if]['next-server'];
	$pconfig['filename'] = $config['dhcpd'][$if]['filename'];
	$pconfig['rootpath'] = $config['dhcpd'][$if]['rootpath'];
	$pconfig['failover_peerip'] = $config['dhcpd'][$if]['failover_peerip'];
	$pconfig['netmask'] = $config['dhcpd'][$if]['netmask'];
	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];


/*   set the enabled flag which will tell us if DHCP relay is enabled
 *   on any interface.   We will use this to disable DHCP server since
 *   the two are not compatible with each other.
 */

$dhcrelay_enabled = false;
$dhcrelaycfg = $config['dhcrelay'];

if(is_array($dhcrelaycfg)) {
	foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {
		if (isset($dhcrelayifconf['enable']) &&
			(($dhcrelayif == "lan") ||
			(isset($config['interfaces'][$dhcrelayif]['enable']) &&
			$config['interfaces'][$dhcrelayif]['if'] && (!link_int_to_bridge_interface($dhcrelayif)))))
			$dhcrelay_enabled = true;
	}
}

function is_inrange($test, $start, $end) {
	if ( (ip2long($test) < ip2long($end)) && (ip2long($test) > ip2long($start)) )
		return true;
	else
		return false;
}

if ($_POST) {

	unset($input_errors);

	$pconfig = $_POST;

	/* input validation */
	if ($_POST['enable']) {
		$reqdfields = explode(" ", "range_from range_to");
		$reqdfieldsn = explode(",", "Range begin,Range end");

		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
		
		if (($_POST['range_from'] && !is_ipaddr($_POST['range_from']))) {
			$input_errors[] = "A valid range must be specified.";
		}
		if (($_POST['range_to'] && !is_ipaddr($_POST['range_to']))) {
			$input_errors[] = "A valid range must be specified.";
		}
		if (($_POST['gateway'] && !is_ipaddr($_POST['gateway']))) {
			$input_errors[] = "A valid IP address must be specified for the gateway.";
		}
		if (($_POST['wins1'] && !is_ipaddr($_POST['wins1'])) || ($_POST['wins2'] && !is_ipaddr($_POST['wins2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary WINS servers.";
		}
		if (($_POST['dns1'] && !is_ipaddr($_POST['dns1'])) || ($_POST['dns2'] && !is_ipaddr($_POST['dns2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary DNS servers.";
		}
		if ($_POST['deftime'] && (!is_numeric($_POST['deftime']) || ($_POST['deftime'] < 60))) {
			$input_errors[] = "The default lease time must be at least 60 seconds.";
		}
		if ($_POST['maxtime'] && (!is_numeric($_POST['maxtime']) || ($_POST['maxtime'] < 60) || ($_POST['maxtime'] <= $_POST['deftime']))) {
			$input_errors[] = "The maximum lease time must be at least 60 seconds and higher than the default lease time.";
		}
		if (($_POST['ddnsdomain'] && !is_domain($_POST['ddnsdomain']))) {
			$input_errors[] = "A valid domain name must be specified for the dynamic DNS registration.";
		}
		if (($_POST['ntp1'] && !is_ipaddr($_POST['ntp1'])) || ($_POST['ntp2'] && !is_ipaddr($_POST['ntp2']))) {
			$input_errors[] = "A valid IP address must be specified for the primary/secondary NTP servers.";
		}
		if (($_POST['domain'] && !is_domain($_POST['domain']))) {
			$input_errors[] = "A valid domain name must be specified for the DNS domain.";
    }
		if (($_POST['tftp'] && !is_ipaddr($_POST['tftp']))) {
			$input_errors[] = "A valid IP address must be specified for the tftp server.";
		}
		if (($_POST['nextserver'] && !is_ipaddr($_POST['nextserver']))) {
			$input_errors[] = "A valid IP address must be specified for the network boot server.";
		}

		if (!$input_errors) {
			/* make sure the range lies within the current subnet */
			$subnet_start = (ip2long($ifcfg['ipaddr']) & gen_subnet_mask_long($ifcfg['subnet']));
			$subnet_end = (ip2long($ifcfg['ipaddr']) | (~gen_subnet_mask_long($ifcfg['subnet'])));

			if ((ip2long($_POST['range_from']) < $subnet_start) || (ip2long($_POST['range_from']) > $subnet_end) ||
			    (ip2long($_POST['range_to']) < $subnet_start) || (ip2long($_POST['range_to']) > $subnet_end)) {
				$input_errors[] = "The specified range lies outside of the current subnet.";
			}

			if (ip2long($_POST['range_from']) > ip2long($_POST['range_to']))
				$input_errors[] = "The range is invalid (first element higher than second element).";

			/* make sure that the DHCP Relay isn't enabled on this interface */
			if (isset($config['dhcrelay'][$if]['enable']))
				$input_errors[] = "You must disable the DHCP relay on the {$iflist[$if]} interface before enabling the DHCP server.";
		}
	}

	if (!$input_errors) {
		if (!is_array($config['dhcpd'][$if]))
			$config['dhcpd'][$if] = array();
		if (!is_array($config['dhcpd'][$if]['range']))
			$config['dhcpd'][$if]['range'] = array();

		$config['dhcpd'][$if]['range']['from'] = $_POST['range_from'];
		$config['dhcpd'][$if]['range']['to'] = $_POST['range_to'];
		$config['dhcpd'][$if]['defaultleasetime'] = $_POST['deftime'];
		$config['dhcpd'][$if]['maxleasetime'] = $_POST['maxtime'];
		$config['dhcpd'][$if]['netmask'] = $_POST['netmask'];
		$previous = $config['dhcpd'][$if]['failover_peerip'];
		if($previous <> $_POST['failover_peerip']) {
			mwexec("rm -rf /var/dhcpd/var/db/*");
		}
{'fraction_non_alphanumeric': 0.20854914906938357, 'fraction_numerical': 0.005919517331663726, 'mean_word_length': 5.860601327606404, 'pattern_counts': {'":': 0, '<': 25, '<?xml version=': 0, '>': 23, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4099977', 'n_tokens_mistral': 6476, 'n_tokens_neox': 6034, 'n_words': 1425}