diff options
Diffstat (limited to 'usr/local/www/services_dhcp.php')
-rwxr-xr-x | usr/local/www/services_dhcp.php | 337 |
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"> </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[$if]);?> + interface</strong></td> + </tr> + <tr> + <td width="22%" valign="top" class="vtable"> </td> + <td width="78%" class="vtable"> +<input name="denyunknown" type="checkbox" value="yes" <?php if ($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($pconfig['range_from']);?>"> + to <input name="range_to" type="text" class="formfld" id="range_to" size="20" value="<?=htmlspecialchars($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"> </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"> </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> + <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($mapent['ipaddr']);?> + </td> + <td class="listbg"> + <?=htmlspecialchars($mapent['descr']);?> + </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> + <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> |