Initial revision

1 files changed, 337 insertions, 0 deletions

diff --git a/usr/local/www/services_dhcp.php b/usr/local/www/services_dhcp.php
new file mode 100755
index 0000000..5b35b6a
--- /dev/null
+++ b/usr/local/www/services_dhcp.php
@@ -0,0 +1,337 @@
+#!/usr/local/bin/php
+<?php 
+/*
+	services_dhcp.php
+	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.
+*/
+
+require("guiconfig.inc");
+
+$if = $_GET['if'];
+if ($_POST['if'])
+	$if = $_POST['if'];
+	
+$iflist = array("lan" => "LAN");
+
+for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
+	$oc = $config['interfaces']['opt' . $i];
+	
+	if (isset($oc['enable']) && $oc['if'] && (!$oc['bridge'])) {
+		$iflist['opt' . $i] = $oc['descr'];
+	}
+}
+
+if (!$if || !isset($iflist[$if]))
+	$if = "lan";
+
+$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'];
+list($pconfig['wins1'],$pconfig['wins2']) = $config['dhcpd'][$if]['winsserver'];
+$pconfig['enable'] = isset($config['dhcpd'][$if]['enable']);
+$pconfig['denyunknown'] = isset($config['dhcpd'][$if]['denyunknown']);
+
+$ifcfg = $config['interfaces'][$if];
+
+if (!is_array($config['dhcpd'][$if]['staticmap'])) {
+	$config['dhcpd'][$if]['staticmap'] = array();
+}
+staticmaps_sort($if);
+$a_maps = &$config['dhcpd'][$if]['staticmap'];
+
+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['wins1'] && !is_ipaddr($_POST['wins1'])) || ($_POST['wins2'] && !is_ipaddr($_POST['wins2']))) {
+			$input_errors[] = "A valid IP address must be specified for the primary/secondary WINS server.";
+		}
+		if ($_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']))) {
+			$input_errors[] = "The maximum lease time must be at least 60 seconds and higher than the default lease time.";
+		}
+		
+		if (!$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]['enable'] = $_POST['enable'] ? true : false;
+		$config['dhcpd'][$if]['denyunknown'] = $_POST['denyunknown'] ? true : false;
+		
+		unset($config['dhcpd'][$if]['winsserver']);
+		if ($_POST['wins1'])
+			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins1'];
+		if ($_POST['wins2'])
+			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins2'];
+			
+		write_config();
+		
+		$retval = 0;
+		if (!file_exists($d_sysrebootreqd_path)) {
+			config_lock();
+			$retval = services_dhcpd_configure();
+			config_unlock();
+		}
+		$savemsg = get_std_save_message($retval);
+		
+		if ($retval == 0) {
+			if (file_exists($d_staticmapsdirty_path))
+				unlink($d_staticmapsdirty_path);
+		}
+	}
+}
+
+if ($_GET['act'] == "del") {
+	if ($a_maps[$_GET['id']]) {
+		unset($a_maps[$_GET['id']]);
+		write_config();
+		touch($d_staticmapsdirty_path);
+		header("Location: services_dhcp.php?if={$if}");
+		exit;
+	}
+}
+?>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+<title><?=gentitle("Services: DHCP server");?></title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<link href="gui.css" rel="stylesheet" type="text/css">
+<script language="JavaScript">
+<!--
+function enable_change(enable_over) {
+	if (document.iform.enable.checked || enable_over) {
+		document.iform.range_from.disabled = 0;
+		document.iform.range_to.disabled = 0;
+		document.iform.wins1.disabled = 0;
+		document.iform.wins2.disabled = 0;
+		document.iform.deftime.disabled = 0;
+		document.iform.maxtime.disabled = 0;
+	} else {
+		document.iform.range_from.disabled = 1;
+		document.iform.range_to.disabled = 1;
+		document.iform.wins1.disabled = 1;
+		document.iform.wins2.disabled = 1;
+		document.iform.deftime.disabled = 1;
+		document.iform.maxtime.disabled = 1;
+	}
+}
+//-->
+</script>
+</head>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<p class="pgtitle">Services: DHCP server</p>
+<form action="services_dhcp.php" method="post" name="iform" id="iform">
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<?php if ($savemsg) print_info_box($savemsg); ?>
+<?php if (file_exists($d_staticmapsdirty_path)): ?><p>
+<?php print_info_box_np("The static mapping configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
+<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
+<?php endif; ?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+  <tr><td>
+  <ul id="tabnav">
+<?php foreach ($iflist as $ifent => $ifname):
+	if ($ifent == $if): ?>
+    <li class="tabact"><?=htmlspecialchars($ifname);?></li>
+<?php else: ?>
+    <li class="tabinact"><a href="services_dhcp.php?if=<?=$ifent;?>"><?=htmlspecialchars($ifname);?></a></li>
+<?php endif; ?>
+<?php endforeach; ?>
+  </ul>
+  </td></tr>
+  <tr> 
+    <td class="tabcont">			
+              <table width="100%" border="0" cellpadding="6" cellspacing="0">
+                      <tr> 
+                        <td width="22%" valign="top" class="vtable">&nbsp;</td>
+                        <td width="78%" class="vtable">
+<input name="enable" type="checkbox" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?> onClick="enable_change(false)">
+                          <strong>Enable DHCP server on 
+                          <?=htmlspecialchars($iflist[$if]);?>
+                          interface</strong></td>
+                      </tr>
+				  <tr>
+	              <td width="22%" valign="top" class="vtable">&nbsp;</td>
+                      <td width="78%" class="vtable">
+<input name="denyunknown" type="checkbox" value="yes" <?php if ($pconfig['denyunknown']) echo "checked"; ?>>
+                      <strong>Deny unknown clients</strong><br>
+                      If this is checked, only the clients defined below will get DHCP leases from this server. </td>
+		      		  </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncellreq">Subnet</td>
+                        <td width="78%" class="vtable"> 
+                          <?=gen_subnet($ifcfg['ipaddr'], $ifcfg['subnet']);?>
+                        </td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncellreq">Subnet 
+                          mask</td>
+                        <td width="78%" class="vtable"> 
+                          <?=gen_subnet_mask($ifcfg['subnet']);?>
+                        </td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncellreq">Available 
+                          range</td>
+                        <td width="78%" class="vtable"> 
+                          <?=long2ip(ip2long($ifcfg['ipaddr']) & gen_subnet_mask_long($ifcfg['subnet']));?>
+                          - 
+                          <?=long2ip(ip2long($ifcfg['ipaddr']) | (~gen_subnet_mask_long($ifcfg['subnet']))); ?>
+                        </td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncellreq">Range</td>
+                        <td width="78%" class="vtable"> 
+                          <input name="range_from" type="text" class="formfld" id="range_from" size="20" value="<?=htmlspecialchars($pconfig['range_from']);?>"> 
+                          &nbsp;to&nbsp; <input name="range_to" type="text" class="formfld" id="range_to" size="20" value="<?=htmlspecialchars($pconfig['range_to']);?>"></td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncell">WINS servers</td>
+                        <td width="78%" class="vtable"> 
+                          <input name="wins1" type="text" class="formfld" id="wins1" size="20" value="<?=htmlspecialchars($pconfig['wins1']);?>"><br>
+                          <input name="wins2" type="text" class="formfld" id="wins2" size="20" value="<?=htmlspecialchars($pconfig['wins2']);?>"></td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncell">Default lease 
+                          time</td>
+                        <td width="78%" class="vtable"> 
+                          <input name="deftime" type="text" class="formfld" id="deftime" size="10" value="<?=htmlspecialchars($pconfig['deftime']);?>">
+                          seconds<br>
+                          This is used for clients that do not ask for a specific 
+                          expiration time.<br>
+                          The default is 7200 seconds.</td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top" class="vncell">Maximum lease 
+                          time</td>
+                        <td width="78%" class="vtable"> 
+                          <input name="maxtime" type="text" class="formfld" id="maxtime" size="10" value="<?=htmlspecialchars($pconfig['maxtime']);?>">
+                          seconds<br>
+                          This is the maximum lease time for clients that ask 
+                          for a specific expiration time.<br>
+                          The default is 86400 seconds.</td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top">&nbsp;</td>
+                        <td width="78%"> 
+                          <input name="if" type="hidden" value="<?=$if;?>"> 
+                          <input name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)"> 
+                        </td>
+                      </tr>
+                      <tr> 
+                        <td width="22%" valign="top">&nbsp;</td>
+                        <td width="78%"> <p><span class="vexpl"><span class="red"><strong>Note:<br>
+                            </strong></span>The DNS servers entered in <a href="system.php">System: 
+                            General setup</a> (or the <a href="services_dnsmasq.php">DNS 
+                            forwarder</a>, if enabled) </span><span class="vexpl">will 
+                            be assigned to clients by the DHCP server.<br>
+                            <br>
+                            The DHCP lease table can be viewed on the <a href="diag_dhcp_leases.php">Diagnostics: 
+                            DHCP leases</a> page.<br>
+                            </span></p></td>
+                      </tr>
+                    </table>
+					&nbsp;<br>
+              <table width="100%" border="0" cellpadding="0" cellspacing="0">
+                <tr>
+                  <td width="35%" class="listhdrr">MAC address </td>
+                  <td width="20%" class="listhdrr">IP address</td>
+                  <td width="35%" class="listhdr">Description</td>
+                  <td width="10%" class="list"></td>
+				</tr>
+			  <?php $i = 0; foreach ($a_maps as $mapent): ?>
+                <tr>
+                  <td class="listlr">
+                    <?=htmlspecialchars($mapent['mac']);?>
+                  </td>
+                  <td class="listr">
+                    <?=htmlspecialchars($mapent['ipaddr']);?>&nbsp;
+                  </td>
+                  <td class="listbg">
+                    <?=htmlspecialchars($mapent['descr']);?>&nbsp;
+                  </td>
+                  <td valign="middle" nowrap class="list"> <a href="services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>"><img src="e.gif" width="17" height="17" border="0"></a>
+                     &nbsp;<a href="services_dhcp.php?if=<?=$if;?>&act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this mapping?')"><img src="x.gif" width="17" height="17" border="0"></a></td>
+				</tr>
+			  <?php $i++; endforeach; ?>
+                <tr> 
+                  <td class="list" colspan="3"></td>
+                  <td class="list"> <a href="services_dhcp_edit.php?if=<?=$if;?>"><img src="plus.gif" width="17" height="17" border="0"></a></td>
+				</tr>
+              </table>
+    </td>
+  </tr>
+</table>
+</form>
+<script language="JavaScript">
+<!--
+enable_change(false);
+//-->
+</script>
+<?php include("fend.inc"); ?>
+</body>
+</html>