<?php
/* $Id$ */
/*
    wizard.php
    Copyright (C) 2004 Scott Ullrich
    Copyright (C) 2010 Ermal Luçi
    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-pfsensewizardsubsystem
##|*NAME=pfSense wizard subsystem page
##|*DESCR=Allow access to the 'pfSense wizard subsystem' page.
##|*MATCH=wizard.php*
##|-PRIV


require("guiconfig.inc");
require("functions.inc");
require("filter.inc");
require("shaper.inc");
require("rrd.inc");

function gentitle_pkg($pgname) {
	global $config;
	return $config['system']['hostname'] . "." . $config['system']['domain'] . " - " . $pgname;
}

$stepid = htmlspecialchars($_GET['stepid']);
if (isset($_POST['stepid']))
    $stepid = htmlspecialchars($_POST['stepid']);
if (!$stepid)
	$stepid = "0";

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

if(empty($xml)) {
	$xml = "not_defined";
	print_info_box_np("ERROR:  Could not open " . $xml . ".");
	die;
} else {
	if (file_exists("{$g['www_path']}/wizards/{$xml}"))
		$pkg = parse_xml_config_pkg("{$g['www_path']}/wizards/" . $xml, "pfsensewizard");
	else {
		print_info_box_np("ERROR:  Could not open " . $xml . ".");
		die;
	}
}

if (!is_array($pkg)) {
	print_info_box_np("ERROR: Could not parse {$g['www_path']}/wizards/{$xml} file.");
	die;
}

$title          = $pkg['step'][$stepid]['title'];
$description    = $pkg['step'][$stepid]['description'];
$totalsteps     = $pkg['totalsteps'];

if ($pkg['includefile'])
        require_once($pkg['includefile']);

if ($pkg['step'][$stepid]['includefile'])
	require_once($pkg['step'][$stepid]['includefile']);

if($pkg['step'][$stepid]['stepsubmitbeforesave']) {
	eval($pkg['step'][$stepid]['stepsubmitbeforesave']);
}

if ($_POST) {
    foreach ($pkg['step'][$stepid]['fields']['field'] as $field) {
        if(!empty($field['bindstofield']) and $field['type'] <> "submit") {
		$fieldname = $field['name'];
		$fieldname = str_replace(" ", "", $fieldname);
		$fieldname = strtolower($fieldname);
		// update field with posted values.
                if($field['unsetfield'] <> "")
			$unset_fields = "yes";
		else
			$unset_fields = "";
		if($field['arraynum'] <> "")
			$arraynum = $field['arraynum'];
		else
			$arraynum = "";

		update_config_field( $field['bindstofield'], $_POST[$fieldname], $unset_fields, $arraynum, $field['type']);
        }

    }
    // run custom php code embedded in xml config.
    if($pkg['step'][$stepid]['stepsubmitphpaction'] <> "") {
		eval($pkg['step'][$stepid]['stepsubmitphpaction']);
    }
	write_config();
    $stepid++;
    if($stepid > $totalsteps)
	$stepid = $totalsteps;
}

$title          = $pkg['step'][$stepid]['title'];
$description    = $pkg['step'][$stepid]['description'];

function update_config_field($field, $updatetext, $unset, $arraynum, $field_type) {
	global $config;
	$field_split = split("->",$field);
	foreach ($field_split as $f)
		$field_conv .= "['" . $f . "']";
	if($field_conv == "")
		return;
	if(($field_type == "checkbox" and $updatetext <> "on") || $updatetext == "") {
		/*
		    item is a checkbox, it should have the value "on"
		    if it was checked
                */
		$text = "unset(\$config" . $field_conv . ");";
		eval($text);
		return;
	}

	if($field_type == "interfaces_selection") {
		$text = "unset(\$config" . $field_conv . ");";
		eval($text);
		$text = "\$config" . $field_conv . " = \"" . $updatetext . "\";";
		eval($text);
		return;
	}

	if($unset <> "") {
		$text = "unset(\$config" . $field_conv . ");";
		eval($text);
		$text = "\$config" . $field_conv . "[" . $arraynum . "] = \"" . $updatetext . "\";";
		eval($text);
	} else {
		if($arraynum <> "") {
			$text = "\$config" . $field_conv . "[" . $arraynum . "] = \"" . $updatetext . "\";";
		} else {
			$text = "\$config" . $field_conv . " = \"" . $updatetext . "\";";
		}
		eval($text);
	}
}

// handle before form display event.
do {
	$oldstepid = $stepid;
	if($pkg['step'][$stepid]['stepbeforeformdisplay'] <> "")
		eval($pkg['step'][$stepid]['stepbeforeformdisplay']);
} while ($oldstepid != $stepid);

$pgtitle = array($title);
include("head.inc");

?>
<body link="#0000CC" vlink="#0000CC" alink="#0000CC" >

<?php
	if(file_exists("/usr/local/www/themes/{$g['theme']}/wizard.css")) 
		echo "<link rel=\"stylesheet\" href=\"/themes/{$g['theme']}/wizard.css\" media=\"all\" />\n";
	else 
		echo "<link rel=\"stylesheet\" href=\"/themes/{$g['theme']}/all.css\" media=\"all\" />";
?>

<?php if($pkg['step'][$stepid]['fields']['field'] <> "") { ?>
<script type="text/javascript">
<!--

function  FieldValidate(userinput,  regexp,  message)
{
	if(!userinput.match(regexp))
		alert(message);
}

function enablechange() {
<?php
        foreach($pkg['step'][$stepid]['fields']['field'] as $field) {
                if(isset($field['enablefields']) or isset($field['checkenablefields'])) {
                        print "\t" . 'if (document.iform.' . strtolower($field['name']) . '.checked == false) {' . "\n";
                        if(isset($field['enablefields'])) {
                                $enablefields = explode(',', $field['enablefields']);
                                foreach($enablefields as $enablefield) {
                                        $enablefield = strtolower($enablefield);
                                        print "\t\t" . 'document.iform.' . $enablefield . '.disabled = 1;' . "\n";
                                }
                        }
                        if(isset($field['checkenablefields'])) {
                                $checkenablefields = explode(',', $field['checkenablefields']);
                                foreach($checkenablefields as $checkenablefield) {
                                        $checkenablefield = strtolower($checkenablefield);
                                        print "\t\t" . 'document.iform.' . $checkenablefield . '.checked = 0;' . "\n";
                                }
                        }
                        print "\t" . '} else {' . "\n";
                        if(isset($field['enablefields'])) {
                                $enablefields = explode(',', $field['enablefields']);
                                foreach($enablefields as $enablefield) {
                                        $enablefield = strtolower($enablefield);
                                        print "\t\t" . 'document.iform.' . $enablefield . '.disabled = 0;' . "\n";
                                }
                        }
                        if(isset($field['checkenablefields'])) {
                                $checkenablefields = explode(',', $field['checkenablefields']);
                                foreach($checkenablefields as $checkenablefield) {
                                        $checkenablefield = strtolower($checkenablefield);
                                        print "\t\t" . 'document.iform.' . $checkenablefield . '.checked = 1;' . "\n";
                                }
                        }
                        print "\t" . '}' . "\n";
                }
        }
?>
}

function disablechange() {
<?php
        foreach($pkg['step'][$stepid]['fields']['field'] as $field) {
                if(isset($field['disablefields']) or isset($field['checkdisablefields'])) {
                        print "\t" . 'if (document.iform.' . strtolower($field['name']) . '.checked) {' . "\n";
                        if(isset($field['disablefields'])) {
                                $enablefields = explode(',', $field['disablefields']);
                                foreach($enablefields as $enablefield) {
                                        $enablefield = strtolower($enablefield);
                                        print "\t\t" . 'document.iform.' . $enablefield . '.disabled = 1;' . "\n";
                                }
                        }
                        if(isset($field['checkdisablefields'])) {
                                $checkenablefields = explode(',', $field['checkdisablefields']);
                                foreach($checkenablefields as $checkenablefield) {
                                        $checkenablefield = strtolower($checkenablefield);
                                        print "\t\t" . 'document.iform.' . $checkenablefield . '.checked = 0;' . "\n";
                                }
                        }
                        print "\t" . '} else {' . "\n";
                        if(isset($field['disablefields'])) {
                                $enablefields = explode(',', $field['disablefields']);
                                foreach($enablefields as $enablefield) {
                                        $enablefield = strtolower($enablefield);
                                        print "\t\t" . 'document.iform.' . $enablefield . '.disabled = 0;' . "\n";
                                }
                        }
                        if(isset($field['checkdisablefields'])) {
                                $checkenablefields = explode(',', $field['checkdisablefields']);
                                foreach($checkenablefields as $checkenablefield) {
                                        $checkenablefield = strtolower($checkenablefield);
                                        print "\t\t" . 'document.iform.' . $checkenablefield . '.checked = 1;' . "\n";
                                }
                        }
                        print "\t" . '}' . "\n";
                }
        }
?>
}

function showchange() {
<?php
        foreach($pkg['step'][$stepid]['fields']['field'] as $field) {
                if(isset($field['showfields'])) {
                        print "\t" . 'if (document.iform.' . strtolower($field['name']) . '.checked == false) {' . "\n";
                        if(isset($field['showfields'])) {
                                $showfields = explode(',', $field['showfields']);
                                foreach($showfields as $showfield) {
                                        $showfield = strtolower($showfield);
                                        //print "\t\t" . 'document.iform.' . $showfield . ".display =\"none\";\n";
					print "\t\t \$('". $showfield . "').hide();";
                                }
                        }
                        print "\t" . '} else {' . "\n";
                        if(isset($field['showfields'])) {
                                $showfields = explode(',', $field['showfields']);
                                foreach($showfields as $showfield) {
                                        $showfield = strtolower($showfield);
                                        #print "\t\t" . 'document.iform.' . $showfield . ".display =\"\";\n";
					print "\t\t \$('". $showfield . "').show();";
                                }
                        }
                        print "\t" . '}' . "\n";
                }
	}
?>
}
//-->
</script>
<?php } ?>

<form action="wizard.php" method="post" name="iform" id="iform">
<input type="hidden" name="xml" value="<?= $xml ?>">
<input type="hidden" name="stepid" value="<?= $stepid ?>">

<center>

&nbsp;<br>

<?php
	if($title == "Reload in progress") {
		$ip = fixup_string("\$myurl");
	} else {
		$ip = "/";
	}
	echo "<a href='$ip'>";
?>
<img border="0" src="./themes/<?= $g['theme']; ?>/images/logo.gif"></a>
<p>
<div style="width:800px;background-color:#ffffff" id="roundme">
<table bgcolor="#ffffff" width="95%" border="0" cellspacing="0" cellpadding="2">
    <!-- wizard goes here -->
    <tr><td>&nbsp;</td></tr>
    <tr><td colspan='2'>
<?php
	if ($savemsg)
		print_info_box($savemsg);
	if ($_GET['message'] != "")
		print_info_box(htmlspecialchars($_GET['message']));
	if ($_POST['message'] != "")
		print_info_box(htmlspecialchars($_POST['message']));
?></td></tr>
 <tr>
	<td class="tabcont">
	<table width="100%" border="0" cellpadding="6" cellspacing="0">

    <tr><td colspan='2'><center><font size="2"><b><?= fixup_string($description) ?></b></font></center></td></tr><tr><td>&nbsp;</td></tr>
    <?php
	if(!$pkg['step'][$stepid]['disableheader'])
		echo "<tr><td colspan=\"2\" class=\"listtopic\">" . fixup_string($title) . "</td></tr>";
    ?>

    <?php
	$inputaliases = array();
	if($pkg['step'][$stepid]['fields']['field'] <> "") {
		foreach ($pkg['step'][$stepid]['fields']['field'] as $field) {

		    $value = $field['value'];
		    $name  = $field['name'];

		    $name = ereg_replace(" ", "", $name);
		    $name = strtolower($name);

		    if($field['bindstofield'] <> "") {
				$arraynum = "";
				$field_conv = "";
				$field_split = split("->", $field['bindstofield']);
				// arraynum is used in cases where there is an array of the same field
				// name such as dnsserver (2 of them)
				if($field['arraynum'] <> "")
					$arraynum = "[" . $field['arraynum'] . "]";
				foreach ($field_split as $f)
					$field_conv .= "['" . $f . "']";
				$toeval = "if (isset(\$config" . $field_conv . $arraynum . ")) \$value = \$config" . $field_conv . $arraynum . ";";
				eval($toeval);
		    }

		    if(!$field['combinefieldsend'])
			echo "<tr>";

		    switch ($field['type']) {
		    case "input":
			if ($field['displayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo $field['displayname'];
				echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>\n";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">\n";

			echo "<input class='formfld unknown' id='" . $name . "' name='" . $name . "' value='" . $value . "'";
			if($field['size'])
				echo " size='" . $field['size'] . "' ";
			if($field['validate'])
				echo " onChange='FieldValidate(this.value, \"{$field['validate']}\", \"{$field['message']}\");'";
			echo ">\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}
			break;
		    case "text":
			echo "<td colspan=\"2\" align=\"center\" class=\"vncell\">\n";
			if($field['description'] <> "") {
                                echo "<center><br /> " . $field['description'] . "</center>";
                        }
			break;
		    case "inputalias":
			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>\n";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">\n";

			$inputaliases[] = $name;
			echo "<input class='formfldalias' autocomplete='off' class='formfldalias' id='" . $name . "' name='" . $name . "' value='" . $value . "'";
			if($field['size'])
				echo " size='" . $field['size'] . "' ";
			if($field['validate'])
				echo " onChange='FieldValidate(this.value, \"{$field['validate']}\", \"{$field['message']}\");'";
			echo ">\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}
			break;
		    case "interfaces_selection":
			$size = "";
			$multiple = "";
			$name = strtolower($name);
			echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
			echo fixup_string($field['displayname'] ? $field['displayname'] : $field['name']) . ":\n";
			echo "</td>";
			echo "<td class=\"vtable\">\n";
			if($field['size'] <> "") $size = "size=\"{$field['size']}\"";
			if($field['multiple'] <> "" and $field['multiple'] <> "0") {
			  $multiple = "multiple=\"multiple\"";
			  $name .= "[]";
			}
			echo "<select class='formselect' id='{$name}' name='{$name}' {$size} {$multiple}>\n";
			if($field['add_to_interfaces_selection'] <> "") {
				$SELECTED = "";
				if($field['add_to_interfaces_selection'] == $value) $SELECTED = " SELECTED";
				echo "<option value='" . $field['add_to_interfaces_selection'] . "'" . $SELECTED . ">" . $field['add_to_interfaces_selection'] . "</option>\n";
			}
			$interfaces = get_configured_interface_with_descr();
			foreach ($interfaces as $ifname => $iface) {
			  $SELECTED = "";
			  if ($value == $ifname) $SELECTED = " SELECTED";
			  $to_echo = "<option value='" . $ifname . "'" . $SELECTED . ">" . $iface . "</option>\n";
			  $to_echo .= "<!-- {$value} -->";
			  $canecho = 0;
			  if($field['interface_filter'] <> "") {
				if(stristr($ifname, $field['interface_filter']) == true)
					$canecho = 1;
			  } else {
				$canecho = 1;
			  }
			  if($canecho == 1)
				echo $to_echo;
			}
				echo "</select>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "password":
			if ($field['displayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo $field['displayname'];
				echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>\n";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">";
			echo "<input class='formfld pwd' id='" . $name . "' name='" . $name . "' value='" . $value . "' type='password' ";
			if($field['size'])
				echo " size='" . $field['size'] . "' ";
			echo ">\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "certca_selection":
                        $size = "";
                        $multiple = "";
                        $name = strtolower($name);
                        echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                        echo fixup_string($field['displayname'] ? $field['displayname'] : $field['name']) . ":\n";
                        echo "</td>";
                        echo "<td class=\"vtable\">\n";
                        if($field['size'] <> "") $size = "size=\"{$field['size']}\"";
                        echo "<select id='{$name}' name='{$name}' {$size}>\n";
                        if($field['add_to_certca_selection'] <> "") {
                                $SELECTED = "";
                                if($field['add_to_certca_selection'] == $value) $SELECTED = " SELECTED";
                                echo "<option value='" . $field['add_to_certca_selection'] . "'" . $SELECTED . ">" . $field['add_to_certca_selection'] . "</option>\n";
                        }
			foreach($config['system']['ca'] as $ca) {
				$name = htmlspecialchars($ca['name']);
                          $SELECTED = "";
                          if ($value == $name) $SELECTED = " SELECTED";
                          $to_echo = "<option value='" . $ca['refid'] . "'" . $SELECTED . ">" . $name . "</option>\n";
                          $to_echo .= "<!-- {$value} -->";
                          $canecho = 0;
                          if($field['certca_filter'] <> "") {
                                if(stristr($name, $field['certca_filter']) == true)
                                        $canecho = 1;
                          } else {
                                $canecho = 1;
                          }
                          if($canecho == 1)
                                echo $to_echo;
                        }
                                echo "</select>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "cert_selection":
                        $size = "";
                        $multiple = "";
                        $name = strtolower($name);
                        echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                        echo fixup_string($field['displayname'] ? $field['displayname'] : $field['name']) . ":\n";
                        echo "</td>";
                        echo "<td class=\"vtable\">\n";
                        if($field['size'] <> "") $size = "size=\"{$field['size']}\"";
                        echo "<select id='{$name}' name='{$name}' {$size}>\n";
                        if($field['add_to_cert_selection'] <> "") {
                                $SELECTED = "";
                                if($field['add_to_cert_selection'] == $value) $SELECTED = " SELECTED";
                                echo "<option value='" . $field['add_to_cert_selection'] . "'" . $SELECTED . ">" . $field['add_to_cert_selection'] . "</option>\n";
                        }
                        foreach($config['system']['cert'] as $ca) {
				if (stristr($ca['name'], "webconf"))
					continue;
                                $name = htmlspecialchars($ca['name']);
                          $SELECTED = "";
                          if ($value == $name) $SELECTED = " SELECTED";
                          $to_echo = "<option value='" . $ca['refid'] . "'" . $SELECTED . ">" . $name . "</option>\n";
                          $to_echo .= "<!-- {$value} -->";
                          $canecho = 0;
                          if($field['cert_filter'] <> "") {
                                if(stristr($name, $field['cert_filter']) == true)
                                        $canecho = 1;
                          } else {
                                $canecho = 1;
                          }
                          if($canecho == 1)
                                echo $to_echo;
                        }
                                echo "</select>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "select":
			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>\n";
			}
			if($field['size']) $size = " size='" . $field['size'] . "' ";
			if($field['multiple'] == "yes") $multiple = "MULTIPLE ";
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">\n";
			$onchange = "";
			foreach ($field['options']['option'] as $opt) {
				if($opt['enablefields'] <> "") {
					$onchange = "onchange=\"enableitems(this.selectedIndex);\" ";
				}
			}
			echo "<select class='formselect' " . $onchange . $multiple . $size . "id='" . $name . "' name='" . $name . "'>\n";
			foreach ($field['options']['option'] as $opt) {
				$selected = "";
				if($value == $opt['value'])
					$selected = " SELECTED";
				echo "\t<option name='" . $opt['name'] . "' value='" . $opt['value'] . "'" . $selected . ">";
				if ($opt['displayname'])
					echo $opt['displayname'];
				else
					echo $opt['name'];
				echo "</option>\n";
			}
			echo "</select>\n";
                        echo "<!-- {$value} -->\n";

			if($field['description'] <> "") {
				echo $field['description'];
		    	}

			break;
		    case "textarea":
			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">";
			echo "<textarea class='formpre' id='" . $name . "' name='" . $name . "'";
			if ($field['rows'])
				echo " rows='" . $field['rows'] . "' ";
			if ($field['cols'])
				echo " cols='" . $field['cols'] . "' ";
			echo ">" . $value . "</textarea>\n";
				

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "submit":
			echo "<td>&nbsp;<br></td></tr>";
			echo "<tr><td colspan='2'><center>";
			echo "<input type='submit' name='" . $name . "' value='" . $field['name'] . "'>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "listtopic":
			echo "<td>&nbsp;</td></tr>";
			echo "<tr><td colspan=\"2\" class=\"listtopic\">" . $field['name'] . "<br ></td>\n";

			break;
		    case "subnet_select":
			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">";
			echo "<select class='formselect' name='{$name}'>\n";
			for($x=1; $x<33; $x++) {
				$CHECKED = "";
				if($value == $x) $CHECKED = " SELECTED";
				if($x <> 31)
					echo "<option value='{$x}' {$CHECKED}>{$x}</option>\n";
			}
			echo "</select>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "timezone_select":
			exec('/usr/bin/tar -tzf /usr/share/zoneinfo.tgz', $timezonelist);
			$timezonelist = array_filter($timezonelist, 'is_timezone');
			sort($timezonelist);

			/* kill carriage returns */
			for($x=0; $x<count($timezonelist); $x++)
				$timezonelist[$x] = str_replace("\n", "", $timezonelist[$x]);

			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo fixup_string($field['name']);
				echo ":</td>";
			}
			if(!$field['dontcombinecells'])
				echo "<td class=\"vtable\">";
			echo "<select class='formselect' name='{$name}'>\n";
			foreach ($timezonelist as $tz) {
				$SELECTED = "";
				if ($value == $tz) $SELECTED = " SELECTED";
				echo "<option value='" . htmlspecialchars($tz) . "' {$SELECTED}>";
				echo htmlspecialchars($tz);
				echo "</option>\n";
			}
			echo "</select>\n";

			if($field['description'] <> "") {
				echo "<br /> " . $field['description'];
		    	}

			break;
		    case "checkbox":
			if ($field['displayname']) {
                                echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
                                echo $field['displayname'];
                                echo ":</td>\n";
			} else if(!$field['dontdisplayname']) {
				echo "<td width=\"22%\" align=\"right\" class=\"vncellreq\">\n";
				echo $field['name'];
				echo ":</td>";
			}
			$checked = "";
			if($value <> "")
				$checked = " CHECKED";
			echo "<td class=\"vtable\"><input value=\"on\" type='checkbox' id='" . $name . "' name='" . $name . "' " . $checked;
			if(isset($field['enablefields']) or isset($field['checkenablefields']))
				echo " onClick=\"enablechange()\"";
			else if(isset($field['disablefields']) or isset($field['checkdisablefields']))
				echo " onClick=\"disablechange()\"";
			echo ">\n";

			if($field['description'] <> "") {
				echo $field['description'];
		    	}

			break;
		    }

		    if($field['typehint'] <> "") {
			echo $field['typehint'];
		    }
		    if($field['warning'] <> "") {
			echo "<br ><b><font color=\"red\">" . $field['warning'] . "</font></b>";
		    }

		    if(!$field['combinefieldsbegin']) {
		    	if (!$field['dontcombinecells'])
		    		echo "</td>";

			 echo "</tr>\n";
		    }

		}
	}
    ?>
	</table>
	</td></tr>
</table>
<br>&nbsp;
</div>
</form>
<script type="text/javascript">
<!--
	if (typeof ext_change != 'undefined') {
		ext_change();
	}
	if (typeof proto_change != 'undefined') {
		ext_change();
	}
	if (typeof proto_change != 'undefined') {
		proto_change();
	}

<?php
	$isfirst = 0;
	$aliases = "";
	$addrisfirst = 0;
	$aliasesaddr = "";
	if($config['aliases']['alias'] <> "" and is_array($config['aliases']['alias']))
		foreach($config['aliases']['alias'] as $alias_name) {
				if($isfirst == 1)
					$aliases .= ",";
				$aliases .= "'" . $alias_name['name'] . "'";
				$isfirst = 1;
		}
?>

	var customarray=new Array(<?php echo $aliases; ?>);

	window.onload = function () {

		<?php
			$counter=0;
			foreach($inputaliases as $alias) {
				echo "var oTextbox$counter = new AutoSuggestControl(document.getElementById(\"$alias\"), new StateSuggestions(customarray));\n";
				$counter++;
			}
		?>

	}

//-->
</script>
<script type="text/javascript">
NiftyCheck();
var bgcolor = document.getElementsByTagName("body")[0].style.backgroundColor;
Rounded("div#roundme","all",bgcolor,"#FFFFFF","smooth");
enablechange();
disablechange();
showchange();
</script>

<?php

$fieldnames_array = Array();
if($pkg['step'][$stepid]['disableallfieldsbydefault'] <> "") {
	// create a fieldname loop that can be used with javascript
	// hide and enable features.
	echo "\n<script type=\"text/javascript\">\n";
	echo "function disableall() {\n";
	foreach ($pkg['step'][$stepid]['fields']['field'] as $field) {
		if($field['type'] <> "submit" and $field['type'] <> "listtopic") {
			if(!$field['donotdisable'] <> "") {
				array_push($fieldnames_array, $field['name']);
				$fieldname = ereg_replace(" ", "", $field['name']);
				$fieldname = strtolower($fieldname);
				echo "\tdocument.forms[0]." . $fieldname . ".disabled = 1;\n";
			}
		}
	}
	echo "}\ndisableall();\n";
	echo "function enableitems(selectedindex) {\n";
	echo "disableall();\n";
	$idcounter = 0;
	if($pkg['step'][$stepid]['fields']['field'] <> "") {
		echo "\tswitch(selectedindex) {\n";
		foreach ($pkg['step'][$stepid]['fields']['field'] as $field) {
			if($field['options']['option'] <> "") {
				foreach ($field['options']['option'] as $opt) {
					if($opt['enablefields'] <> "") {
						echo "\t\tcase " . $idcounter . ":\n";
						$enablefields_split = split(",", $opt['enablefields']);
						foreach ($enablefields_split as $efs) {
							$fieldname = ereg_replace(" ", "", $efs);
							$fieldname = strtolower($fieldname);
							if($fieldname <> "") {
								$onchange = "\t\t\tdocument.forms[0]." . $fieldname . ".disabled = 0; \n";
								echo $onchange;
							}
						}
						echo "\t\t\tbreak;\n";
					}
					$idcounter = $idcounter + 1;
				}
			}
		}
		echo "\t}\n";
	}
	echo "}\n";
	echo "</script>\n\n";
}


if($pkg['step'][$stepid]['stepafterformdisplay'] <> "") {
	// handle after form display event.
	eval($pkg['step'][$stepid]['stepafterformdisplay']);
}

if($pkg['step'][$stepid]['javascriptafterformdisplay'] <> "") {
	// handle after form display event.
        echo "\n<script type=\"text/javascript\">\n";
	echo $pkg['step'][$stepid]['javascriptafterformdisplay'] . "\n";
	echo "</script>\n\n";
}

/*
 *  HELPER FUNCTIONS
 */

function fixup_string($string) {
	global $config, $myurl;
	$newstring = $string;
	// fixup #1: $myurl -> http[s]://ip_address:port/
	switch($config['system']['webgui']['protocol']) {
		case "http":
			$proto = "http";
			break;
		case "https":
			$proto = "https";
			break;
		default:
			$proto = "http";
			break;
	}
	$port = $config['system']['webgui']['port'];
	if($port != "") {
		if(($port == "443" and $proto != "https") or ($port == "80" and $proto != "http")) {
			$urlport = ":" . $port;
		} elseif ($port != "80" and $port != "443") {
			$urlport = ":" . $port;
		} else {
			$urlport = "";
		}
	}
	$myurl = $proto . "://" . $_SERVER['HTTP_HOST'] . $urlport . "/";

	if (strstr($newstring, "\$myurl"))
		$newstring = str_replace("\$myurl", $myurl, $newstring);
	// fixup #2: $wanip
	if (strstr($newstring, "\$wanip")) {
		$curwanip = get_interface_ip();
		$newstring = str_replace("\$wanip", $curwanip, $newstring);
	}
	// fixup #3: $lanip
	if (strstr($newstring, "\$lanip")) {
		$lanip = get_interface_ip("lan");
		$newstring = str_replace("\$lanip", $lanip, $newstring);
	}
	// fixup #4: fix'r'up here.
	return $newstring;
}

function is_timezone($elt) {
	return !preg_match("/\/$/", $elt);
}

?>

</body>
</html>