<?php
/* $Id$ */
/*
    pkg_edit.php
    Copyright (C) 2013-2014 Electric Sheep Fencing, LP
    Copyright (C) 2004-2012 Scott Ullrich <sullrich@gmail.com>
    Copyright (C) 2013-2014 Electric Sheep Fencing, LP
    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.
*/
/*
	pfSense_BUILDER_BINARIES:	/sbin/ifconfig
	pfSense_MODULE:	pkgs
*/

##|+PRIV
##|*IDENT=page-package-edit
##|*NAME=Package: Edit page
##|*DESCR=Allow access to the 'Package: Edit' page.
##|*MATCH=pkg_edit.php*
##|-PRIV

ini_set('max_execution_time', '0');

require("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("pkg-utils.inc");

/* dummy stubs needed by some code that was MFC'd */
function pfSenseHeader($location) { header("Location: " . $location); }

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

function domTT_title($title_msg){
	if (!empty($title_msg)){
		$title_msg=preg_replace("/\s+/"," ",$title_msg);
        $title_msg=preg_replace("/'/","\'",$title_msg);
		return "onmouseout=\"this.style.color = ''; domTT_mouseout(this, event);\" onmouseover=\"domTT_activate(this, event, 'content', '{$title_msg}', 'trail', true, 'delay', 0, 'fade', 'both', 'fadeMax', 93, 'delay',300,'styleClass', 'niceTitle');\"";
	}
}

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

$xml_fullpath = realpath('/usr/local/pkg/' . $xml);

if ($xml == "" || $xml_fullpath === false ||
    substr($xml_fullpath, 0, strlen('/usr/local/pkg/')) != '/usr/local/pkg/') {
            print_info_box_np(gettext("ERROR: No valid package defined."));
            die;
} else {
            $pkg = parse_xml_config_pkg($xml_fullpath, "packagegui");
}

if($pkg['include_file'] <> "") {
	require_once($pkg['include_file']);
}

if (!isset($pkg['adddeleteeditpagefields']))
	$only_edit = true;
else
	$only_edit = false;

$package_name = $pkg['menu'][0]['name'];
$section      = $pkg['menu'][0]['section'];
$config_path  = $pkg['configpath'];
$name         = $pkg['name'];
$title        = $pkg['title'];
$pgtitle      = $title;

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

// Not posting?  Then user is editing a record. There must be a valid id
// when editing a record.
if(!$id && !$_POST)
	$id = "0";

if(!is_numeric($id)) {
	header("Location: /");
	exit;
}

if($pkg['custom_php_global_functions'] <> "")
        eval($pkg['custom_php_global_functions']);

// grab the installedpackages->package_name section.
if($config['installedpackages'] && !is_array($config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config']))
	$config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'] = array();

// If the first entry in the array is an empty <config/> tag, kill it.
if ($config['installedpackages'] && (count($config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config']) > 0) 
	&& ($config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'][0] == ""))
	array_shift($config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config']);

$a_pkg = &$config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'];

if($_GET['savemsg'] <> "")
	$savemsg = htmlspecialchars($_GET['savemsg']);

if($pkg['custom_php_command_before_form'] <> "")
	eval($pkg['custom_php_command_before_form']);

if ($_POST) {
	$firstfield = "";
	$rows = 0;

	$input_errors = array();
	$reqfields = array();
	$reqfieldsn = array();
	foreach ($pkg['fields']['field'] as $field) {
		if (($field['type'] == 'input') && isset($field['required'])) {
			if($field['fieldname'])
				$reqfields[] = $field['fieldname'];
			if($field['fielddescr'])
				$reqfieldsn[] = $field['fielddescr'];
		}
	}
	do_input_validation($_POST, $reqfields, $reqfieldsn, $input_errors);

	if ($pkg['custom_php_validation_command'])
		eval($pkg['custom_php_validation_command']);

	if($_POST['act'] == "del") {
		if($pkg['custom_delete_php_command']) {
		    if($pkg['custom_php_command_before_form'] <> "")
			    eval($pkg['custom_php_command_before_form']);
		    eval($pkg['custom_delete_php_command']);
		}
		write_config($pkg['delete_string']);
		// resync the configuration file code if defined.
		if($pkg['custom_php_resync_config_command'] <> "") {
			if($pkg['custom_php_command_before_form'] <> "")
				eval($pkg['custom_php_command_before_form']);
			eval($pkg['custom_php_resync_config_command']);
		}
	} else {
		if(!$input_errors && $pkg['custom_add_php_command']) {
			if($pkg['donotsave'] <> "" or $pkg['preoutput'] <> "") {
			?>

<?php include("head.inc"); ?>
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<?php
			}
			if($pkg['preoutput']) echo "<pre>";
			eval($pkg['custom_add_php_command']);
			if($pkg['preoutput']) echo "</pre>";
		}
	}

	// donotsave is enabled.  lets simply exit.
	if(empty($pkg['donotsave'])) {

		// store values in xml configration file.
		if (!$input_errors) {
			$pkgarr = array();
			foreach ($pkg['fields']['field'] as $fields) {
				switch($fields['type']){
					case "rowhelper":
						// save rowhelper items.
						#$rowhelpername=($fields['fieldname'] ? $fields['fieldname'] : "row");
						$rowhelpername="row";
						foreach($fields['rowhelper']['rowhelperfield'] as $rowhelperfield)
							foreach($_POST as $key => $value){
								if (preg_match("/^{$rowhelperfield['fieldname']}(\d+)$/",$key,$matches))
									$pkgarr[$rowhelpername][$matches[1]][$rowhelperfield['fieldname']]=$value;
							}
						break;
					default:
						$fieldname  = $fields['fieldname'];
						if ($fieldname == "interface_array") {
							$fieldvalue = $_POST[$fieldname];
						} elseif (is_array($_POST[$fieldname])) {
							$fieldvalue = implode(',', $_POST[$fieldname]);
						} else {
							$fieldvalue = trim($_POST[$fieldname]);
							if ($fields['encoding'] == 'base64')
								$fieldvalue = base64_encode($fieldvalue);
						}
						if($fieldname)
							$pkgarr[$fieldname] = $fieldvalue;
					}
			}

			if (isset($id) && $a_pkg[$id])
				$a_pkg[$id] = $pkgarr;
			else
				$a_pkg[] = $pkgarr;

			write_config($pkg['addedit_string']);
			// late running code
			if($pkg['custom_add_php_command_late'] <> "") {
			    eval($pkg['custom_add_php_command_late']);
			}

			if (isset($pkg['filter_rules_needed']))
				filter_configure();

			// resync the configuration file code if defined.
			if($pkg['custom_php_resync_config_command'] <> "") {
			    eval($pkg['custom_php_resync_config_command']);
			}

			parse_package_templates();

			/* if start_command is defined, restart w/ this */
			if($pkg['start_command'] <> "")
			    exec($pkg['start_command'] . ">/dev/null 2&>1");

			/* if restart_command is defined, restart w/ this */
			if($pkg['restart_command'] <> "")
			    exec($pkg['restart_command'] . ">/dev/null 2&>1");

			if($pkg['aftersaveredirect'] <> "") {
			    pfSenseHeader($pkg['aftersaveredirect']);
			} elseif(!$pkg['adddeleteeditpagefields']) {
			    pfSenseHeader("pkg_edit.php?xml={$xml}&amp;id=0");
			} elseif(!$pkg['preoutput']) {
			    pfSenseHeader("pkg.php?xml=" . $xml);
			}
			exit;
		} else {
			$get_from_post = true;
		}
	} elseif (!$input_errors) {
		exit;
	}
}

if($pkg['title'] <> "") {
	$edit = ($only_edit ? '' : ": " .  gettext("Edit"));
	$title = $pkg['title'] . $edit;
}
else
	$title = gettext("Package Editor");

$pgtitle = $title;

if ($pkg['custom_php_after_head_command']) {
	$closehead = false;
	include("head.inc");
	eval($pkg['custom_php_after_head_command']);
	echo "</head>\n";
}
else
	include("head.inc");

?>

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

<?php include("fbegin.inc"); ?>

<script type="text/javascript" src="/javascript/autosuggest.js"></script>
<script type="text/javascript" src="/javascript/suggestions.js"></script>

<?php if($pkg['fields']['field'] <> "") { ?>
<script type="text/javascript">
//<![CDATA[
	//Everything inside it will load as soon as the DOM is loaded and before the page contents are loaded
	jQuery(document).ready(function() {
		
		//Sortable function
		jQuery('#mainarea table tbody').sortable({
			items: 'tr.sortable',
			cursor: 'move',
			distance: 10,
			opacity: 0.8,
			helper: function(e,ui){  
				ui.children().each(function(){  
					jQuery(this).width(jQuery(this).width());  
				});
			return ui;  
			},
		});
		
		//delete current line jQuery function
		jQuery('#maintable td .delete').live('click', function() {
			//do not remove first line
			if (jQuery("#maintable tr").length > 2){
				jQuery(this).parent().parent().remove();
				return false;
			}
	    });
	    
		//add new line jQuery function
		jQuery('#mainarea table .add').click(function() {
			//get table size and assign as new id
			var c_id=jQuery("#maintable tr").length;
			var new_row=jQuery("table#maintable tr:last").html().replace(/(name|id)="(\w+)(\d+)"/g,"$1='$2"+c_id+"'");
			//apply new id to created line rowhelperid
			jQuery("table#maintable tr:last").after("<tr>"+new_row+"<\/tr>");
			return false;
	    });
		// Call enablechange function
		enablechange();
	});

	function enablechange() {
	<?php
	foreach ($pkg['fields']['field'] as $field) {
		if (isset($field['enablefields']) or isset($field['checkenablefields'])) {
			echo "\tif (jQuery('form[name=\"iform\"] input[name=\"{$field['fieldname']}\"]').prop('checked') == false) {\n";

			if (isset($field['enablefields'])) {
				foreach (explode(',', $field['enablefields']) as $enablefield) {
					echo "\t\tif (jQuery('form[name=\"iform\"] input[name=\"{$enablefield}\"]').length > 0) {\n";
					echo "\t\t\tjQuery('form[name=\"iform\"] input[name=\"{$enablefield}\"]').prop('disabled',true);\n";
					echo "\t\t}\n";
				}
			}

			if (isset($field['checkenablefields'])) {
				foreach (explode(',', $field['checkenablefields']) as $checkenablefield) {
					echo "\t\tif (jQuery('form[name=\"iform\"] input[name=\"{$checkenablefield}\"]').length > 0) {\n";
					echo "\t\t\tjQuery('form[name=\"iform\"] input[name=\"{$checkenablefield}\"]').prop('checked',true);\n";
					echo "\t\t}\n";
				}
			}

			echo "\t}\n\telse {\n";

			if (isset($field['enablefields'])) {
				foreach (explode(',', $field['enablefields']) as $enablefield) {
					echo "\t\tif (jQuery('form[name=\"iform\"] input[name=\"{$enablefield}\"]').length > 0) {\n";
					echo "\t\t\tjQuery('form[name=\"iform\"] input[name=\"{$enablefield}\"]').prop('disabled',false);\n";
					echo "\t\t}\n";
				}
			}

			if (isset($field['checkenablefields'])) {
				foreach(explode(',', $field['checkenablefields']) as $checkenablefield) {
					echo "\t\tif (jQuery('form[name=\"iform\"] input[name=\"{$checkenablefield}\"]').length > 0) {\n";
					echo "\t\t\tjQuery('form[name=\"iform\"] input[name=\"{$checkenablefield}\"]').prop('checked',false);\n";
					echo "\t\t}\n";
				}
			}

			echo "\t}\n";
		}
	}
	?>
}
//]]>
</script>
<?php } ?>
<script type="text/javascript" src="javascript/domTT/domLib.js"></script>
<script type="text/javascript" src="javascript/domTT/domTT.js"></script>
<script type="text/javascript" src="javascript/domTT/behaviour.js"></script>
<script type="text/javascript" src="javascript/domTT/fadomatic.js"></script>
<script type="text/javascript" src="/javascript/row_helper_dynamic.js"></script>

<?php if (!empty($input_errors)) print_input_errors($input_errors); ?>
<form name="iform" action="pkg_edit.php" method="post">
<input type="hidden" name="xml" value="<?= htmlspecialchars($xml) ?>" />
<?php if ($savemsg) print_info_box($savemsg); ?>
<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="package edit">
<?php
if ($pkg['tabs'] <> "") {
	$tab_array = array();
	foreach($pkg['tabs']['tab'] as $tab) {
		if($tab['tab_level'])
			$tab_level = $tab['tab_level'];
		else
			$tab_level = 1;
		if(isset($tab['active'])) {
			$active = true;
		} else {
			$active = false;
		}
		if(isset($tab['no_drop_down']))
			$no_drop_down = true;
		$urltmp = "";
		if($tab['url'] <> "") $urltmp = $tab['url'];
		if($tab['xml'] <> "") $urltmp = "pkg_edit.php?xml=" . $tab['xml'];

 		$addresswithport = getenv("HTTP_HOST");
		$colonpos = strpos($addresswithport, ":");
		if ($colonpos !== False) {
			//my url is actually just the IP address of the pfsense box
			$myurl = substr($addresswithport, 0, $colonpos);
		} else {
			$myurl = $addresswithport;
		}
		// eval url so that above $myurl item can be processed if need be.
		$url = str_replace('$myurl', $myurl, $urltmp);

		$tab_array[$tab_level][] = array(
						$tab['text'],
						$active,
						$url
					);
    	}

	ksort($tab_array);
	foreach($tab_array as $tabid => $tab) {
		echo '<tr><td>';
		display_top_tabs($tab, $no_drop_down, $tabid);
		echo '</td></tr>';
	}
}

?>
<tr><td><div id="mainarea"><table id="t" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0" summary="main area">
<?php
	$cols = 0;
	$savevalue = gettext("Save");
	if($pkg['savetext'] <> "") $savevalue = $pkg['savetext'];
	/* If a package's XML has <advanced_options/> configured, then setup 
	 * the table rows for the fields that have <advancedfield/> set.
	 * These fields will be placed below other fields in a seprate area titled 'Advanced Features'.
	 * These advanced fields are not normally configured and generally left to default to 'default settings'.
	 */

	if ($pkg['advanced_options'] == "enabled") {
		$adv_filed_count = 0;
		$advanced = "<td>&nbsp;</td>";
		$advanced .= "<tr><td colspan=\"2\" class=\"listtopic\">". gettext("Advanced features") . "<br /></td></tr>\n";
		}		
	foreach ($pkg['fields']['field'] as $pkga) {
		if ($pkga['type'] == "sorting") 
			continue;

		if ($pkga['type'] == "listtopic") {
			$input = "<tr id='td_{$pkga['fieldname']}'><td>&nbsp;</td></tr>";
			$input .= "<tr id='tr_{$pkga['fieldname']}'><td colspan=\"2\" class=\"listtopic\">{$pkga['name']}<br /></td></tr>\n";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
				$advanced .= $input;
				$adv_filed_count++;
				}
			else
				echo $input;
			continue;
		}

		if($pkga['combinefields']=="begin"){
			$input="<tr valign='top' id='tr_{$pkga['fieldname']}'>";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count))
				$advanced .= $input;
			else
			  	echo $input;
			}

		$size = "";
		if (isset($pkga['dontdisplayname'])){
			$input="";
			if(!isset($pkga['combinefields']))
				$input .= "<tr valign='top' id='tr_{$pkga['fieldname']}'>";
			if(isset($pkga['usecolspan2']))
				$colspan="colspan='2'";
			else
				$input .= "<td width='22%' class='vncell{$req}'>&nbsp;</td>";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
				$advanced .= $input;
				$adv_filed_count++;
				}
			else
				echo $input;
			}
		else if (!isset($pkga['placeonbottom'])){
			unset($req);
			if (isset($pkga['required']))
				$req = 'req';
			$input= "<tr><td valign='top' width=\"22%\" class=\"vncell{$req}\">";
			$input .= fixup_string($pkga['fielddescr']);
			$input .= "</td>";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
				$advanced .= $input;
				$adv_filed_count++;
				}
			else 
				echo $input;
		}
		if($pkga['combinefields']=="begin"){
			$input="<td class=\"vncell\"><table summary=\"advanced\">";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count))
				$advanced .= $input;
			else
			  	echo $input;
			}

		$class=(isset($pkga['combinefields']) ? '' : 'class="vtable"');
		if (!isset($pkga['placeonbottom'])){
			$input="<td valign='top' {$colspan} {$class}>";
			if(isset($pkga['advancedfield']) && isset($adv_filed_count)){
				$advanced .= $input;
				$adv_filed_count++;
				}
			else
				echo $input;
		}

		// if user is editing a record, load in the data.
		$fieldname = $pkga['fieldname'];
		if ($get_from_post) {
			$value = $_POST[$fieldname];
			if (is_array($value)) $value = implode(',', $value);
		} else {
			if (isset($id) && $a_pkg[$id])
				$value = $a_pkg[$id][$fieldname];
			else
				$value = $pkga['default_value'];
		}
		switch($pkga['type']){
			case "input":
				$size = ($pkga['size'] ? " size='{$pkga['size']}' " : "");
				$input = "<input {$size} id='{$pkga['fieldname']}' name='{$pkga['fieldname']}' class='formfld unknown' value=\"" . htmlspecialchars($value) ."\" />\n";
				$input .= "<br />" . fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input ."</div>\n";
					}
				else
					echo $input;
				break;

			case "password":
				$size = ($pkga['size'] ? " size='{$pkga['size']}' " : "");
				$input = "<input " . $size . " id='" . $pkga['fieldname'] . "' type='password' name='" . $pkga['fieldname'] . "' class='formfld pwd' value=\"" . htmlspecialchars($value) . "\" />\n";
				$input .= "<br />" . fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input ."</div>\n";
					}
				else
					echo $input;
				break;

			case "info":
				$input = fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input ."</div>\n";
					}
				else
					echo $input;
				break;

			case "select":
				$fieldname = $pkga['fieldname'];
				if (isset($pkga['multiple'])) {
					$multiple = 'multiple="multiple"';
					$items = explode(',', $value);
					$fieldname .= "[]";
				} else {
					$multiple = '';
					$items = array($value);
				}
				$size = ($pkga['size'] ? " size='{$pkga['size']}' " : "");
				$onchange = (isset($pkga['onchange']) ? "onchange=\"{$pkga['onchange']}\"" : '');
				$input = "<select id='" . $pkga['fieldname'] . "' $multiple $size $onchange name=\"$fieldname\">\n";
				foreach ($pkga['options']['option'] as $opt) {
					$selected = (in_array($opt['value'], $items) ? 'selected="selected"' : '');
					$input .= "\t<option value=\"{$opt['value']}\" {$selected}>{$opt['name']}</option>\n";
					}
				$input .= "</select>\n<br />\n" . fixup_string($pkga['description']) . "\n";
                if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input;
					$advanced .= "</div>\n";
					}
				else
					echo $input;
				break;

			case "select_source":
				$fieldname = $pkga['fieldname'];
				if (isset($pkga['multiple'])) {
					$multiple = 'multiple="multiple"';
					$items = explode(',', $value);
					$fieldname .= "[]";
				} else {
					$multiple = '';
					$items = array($value);
				}
				$size = (isset($pkga['size']) ? "size=\"{$pkga['size']}\"" : '');
				$onchange = (isset($pkga['onchange']) ? "onchange=\"{$pkga['onchange']}\"" : '');
				$input = "<select id='{$pkga['fieldname']}' {$multiple} {$size} {$onchange} name=\"{$fieldname}\">\n";

				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']) .$input;
					$advanced .= "</div>\n";
				} else {
					echo $input;
				}
				$source_url = $pkga['source'];
				eval("\$pkg_source_txt = &$source_url;");
				$input="";
				#check if show disable option is present on xml
				if(isset($pkga['show_disable_value'])){
					array_push($pkg_source_txt, array(($pkga['source_name']? $pkga['source_name'] : $pkga['name'])=> $pkga['show_disable_value'],
													  ($pkga['source_value']? $pkga['source_value'] : $pkga['value'])=> $pkga['show_disable_value']));
					}
				foreach ($pkg_source_txt as $opt) {
					$source_name =($pkga['source_name']? $opt[$pkga['source_name']] : $opt[$pkga['name']]);
					$source_value =($pkga['source_value'] ? $opt[$pkga['source_value']] : $opt[$pkga['value']]);
					$selected = (in_array($source_value, $items)? 'selected="selected"' : '' );
					$input  .= "\t<option value=\"{$source_value}\" $selected>{$source_name}</option>\n";
					}
				$input .= "</select>\n<br />\n" . fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count))
					$advanced .= $input;
				else
					echo $input;
				break;

			case "vpn_selection" :
				$input = "<select id='{$pkga['fieldname']}' name='{$vpn['name']}'>\n";
				foreach ($config['ipsec']['phase1'] as $vpn) {
					$input .= "\t<option value=\"{$vpn['descr']}\">{$vpn['descr']}</option>\n";
					}
				$input .= "</select>\n";
				$input .= "<br />" . fixup_string($pkga['description']) . "\n";

				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input;
					$advanced .= "</div>\n";
					}
				else
					echo $input;
				break;

			case "checkbox":
				$checkboxchecked =($value == "on" ? " checked=\"checked\"" : "");
				$onchange = (isset($pkga['onchange']) ? "onchange=\"{$pkga['onchange']}\"" : '');
				if (isset($pkga['enablefields']) || isset($pkga['checkenablefields']))
					$onclick = ' onclick="javascript:enablechange();"';
				$input = "<input id='{$pkga['fieldname']}' type='checkbox' name='{$pkga['fieldname']}' {$checkboxchecked} {$onclick} {$onchange} />\n";
				$input .= "<br />" . fixup_string($pkga['description']) . "\n";

				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input;
					$advanced .= "</div>\n";
					}
				else
					echo $input;
				break;

			case "textarea":
				if($pkga['rows'])
					$rows = " rows='{$pkga['rows']}' ";
				if($pkga['cols'])
					$cols = " cols='{$pkga['cols']}' ";
				if (($pkga['encoding'] == 'base64') && !$get_from_post && !empty($value))
					$value = base64_decode($value);
				$wrap =($pkga['wrap'] == "off" ? 'wrap="off" style="white-space:nowrap;"' : '');		  
				$input = "<textarea {$rows} {$cols} name='{$pkga['fieldname']}'{$wrap}>{$value}</textarea>\n";
				$input .= "<br />" . fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count)) {
					$js_array[] = $pkga['fieldname'];
					$advanced .= display_advanced_field($pkga['fieldname']).$input;
					$advanced .= "</div>\n";
					}
				else
					echo $input;
				break;

			case "aliases":
				// Use xml tag <typealiases> to filter type aliases
				$size = ($pkga['size'] ? "size=\"{$pkga['size']}\"" : '');
				$fieldname = $pkga['fieldname'];
				$a_aliases = &$config['aliases']['alias'];
				$addrisfirst = 0;
				$aliasesaddr = "";
				$value = "value='{$value}'";

				if(isset($a_aliases)) {
					if(!empty($pkga['typealiases'])) {
						foreach($a_aliases as $alias)
							if($alias['type'] == $pkga['typealiases']) {
								if($addrisfirst == 1) $aliasesaddr .= ",";
								$aliasesaddr .= "'" . $alias['name'] . "'";
								$addrisfirst = 1;
							}
					} else {
						foreach($a_aliases as $alias) {
							if($addrisfirst == 1) $aliasesaddr .= ",";
							$aliasesaddr .= "'" . $alias['name'] . "'";
							$addrisfirst = 1;
						}
					}
				}

				$input = "<input name='{$fieldname}' type='text' class='formfldalias' id='{$fieldname}' {$size} {$value} />\n<br />";
				$input .= fixup_string($pkga['description']) . "\n";

				$script = "<script type='text/javascript'>\n";
				$script .= "//<![CDATA[\n";
				$script .= "var aliasarray = new Array({$aliasesaddr})\n";
				$script .= "var oTextbox1 = new AutoSuggestControl(document.getElementById('{$fieldname}'), new StateSuggestions(aliasarray))\n";
				$script .= "//]]>\n";
				$script .= "</script>";

				echo $input;
				echo $script;
                                break;

			case "interfaces_selection":
				$ips=array();
				$interface_regex=(isset($pkga['hideinterfaceregex']) ? $pkga['hideinterfaceregex'] : "nointerfacestohide");
				if (is_array($config['interfaces']))
					foreach ($config['interfaces'] as $iface_key=>$iface_value){
						if (isset($iface_value['enable']) && ! preg_match("/$interface_regex/",$iface_key)){
							$iface_description=($iface_value['descr'] !="" ? strtoupper($iface_value['descr']) : strtoupper($iface_key));
							if (isset($pkga['showips']))
								$iface_description .= " address";
							$ips[]=array('ip'=> $iface_key, 'description'=> $iface_description);
							}
					}
				if (is_array($config['virtualip']) && isset($pkga['showvirtualips']))
					foreach ($config['virtualip']['vip'] as $vip){
						if (! preg_match("/$interface_regex/",$vip['interface']))
						$vip_description=($vip['descr'] !="" ? " ({$vip['descr']}) " : " ");
						  switch ($vip['mode']){
							case "ipalias":
							case "carp":
									$ips[]=array(   'ip'=> $vip['subnet'],'description' => "{$vip['subnet']} $vip_description");
								break;
							case "proxyarp":
								if ($vip['type']=="network"){
									$start = ip2long32(gen_subnet($vip['subnet'], $vip['subnet_bits']));
									$end = ip2long32(gen_subnet_max($vip['subnet'], $vip['subnet_bits']));
									$len = $end - $start;
									for ($i = 0; $i <= $len; $i++)
										$ips[]= array('ip'=>long2ip32($start+$i),'description'=> long2ip32($start+$i)." from {$vip['subnet']}/{$vip['subnet_bits']} {$vip_description}");
									}
								else{
									$ips[]= array('ip'=>$vip['subnet'],'description'=> "{$vip['subnet']} $vip_description");
									}
								break;
							}
					}
				sort($ips);
				if (isset($pkga['showlistenall']))
					array_unshift($ips,array('ip'=> 'All', 'description'=> 'Listen on All interfaces/ip addresses '));
				if (! preg_match("/$interface_regex/","loopback")){
					$iface_description=(isset($pkga['showips']) ? "127.0.0.1 (loopback)" : "loopback");
					array_push($ips,array('ip'=> 'lo0', 'description'=> $iface_description));
					}

				#show interfaces array on gui
				$size = ($pkga['size'] ? "size=\"{$pkga['size']}\"" : '');
				$multiple = '';
				$fieldname = $pkga['fieldname'];
				if (isset($pkga['multiple'])) {
					$fieldname .= '[]';
					$multiple = 'multiple="multiple"';
					}
				$input = "<select id='{$pkga['fieldname']}' name=\"{$fieldname}\" {$size} {$multiple}>\n";
				if(is_array($value))
					$values = $value;
				else
					$values  =  explode(',',  $value);
				foreach($ips as $iface){
					$selected = (in_array($iface['ip'], $values) ? 'selected="selected"' : '');
					$input .= "<option value=\"{$iface['ip']}\" {$selected}>{$iface['description']}</option>\n";
					}
				$input .= "</select>\n<br />" . fixup_string($pkga['description']) . "\n";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count))
					$advanced .= $input;
				else
					echo $input;
				break;

			case "radio":
				$input = "<input type='radio' id='{$pkga['fieldname']}' name='{$pkga['fieldname']}' value='{$value}' />";
				if(isset($pkga['advancedfield']) && isset($adv_filed_count))
					$advanced .= $input;
				else
					echo $input;
					break;

			case "button":
				$input = "<input type='submit' id='{$pkga['fieldname']}' name='{$pkga['fieldname']}' class='formbtn' value='{$pkga['fieldname']}' />\n";
				if(isset($pkga['placeonbottom']))
					$pkg_buttons .= $input;
				else
					echo $input ."\n<br />" . fixup_string($pkga['description']) . "\n";
				break;

			case "rowhelper":
				#$rowhelpername=($fields['fieldname'] ? $fields['fieldname'] : "row");
				$rowhelpername="row";
				?>
				<script type="text/javascript">
				//<![CDATA[
				<?php
					$rowcounter = 0;
					$fieldcounter = 0;
					foreach($pkga['rowhelper']['rowhelperfield'] as $rowhelper) {
						echo "rowname[{$fieldcounter}] = \"{$rowhelper['fieldname']}\";\n";
						echo "rowtype[{$fieldcounter}] = \"{$rowhelper['type']}\";\n";
						echo "rowsize[{$fieldcounter}] = \"{$rowhelper['size']}\";\n";
						$fieldcounter++;
					}
				?>
				//]]>
				</script>
				<table id="maintable" summary="main table">
				<tr id='<?="tr_{$pkga['fieldname']}";?>'>
				<?php
					foreach($pkga['rowhelper']['rowhelperfield'] as $rowhelper) {
					  echo "<td ".domTT_title($rowhelper['description'])."><b>" . fixup_string($rowhelper['fielddescr']) . "</b></td>\n";
					}

					$rowcounter = 0;
					$trc = 0;

					//Use assigned $a_pkg or create an empty array to enter loop
					if(isset($a_pkg[$id][$rowhelpername]))
						$saved_rows=$a_pkg[$id][$rowhelpername];
					else
						$saved_rows[]=array();

					foreach($saved_rows as $row) {
						echo "</tr>\n<tr class=\"sortable\" id=\"id_{$rowcounter}\">\n";
						foreach($pkga['rowhelper']['rowhelperfield'] as $rowhelper) {
							unset($value);
							if($rowhelper['value'] <> "") $value = $rowhelper['value'];
							$fieldname = $rowhelper['fieldname'];
							// if user is editing a record, load in the data.
							if (isset($id) && $a_pkg[$id]) {
								$value = $row[$fieldname];
							}
							$options = "";
							$type = $rowhelper['type'];
							$description = $rowhelper['description'];
							$fieldname = $rowhelper['fieldname'];
							if($type == "option")
								$options = &$rowhelper['options']['option'];
							if($rowhelper['size']) 
								$size = $rowhelper['size'];
							else if ($pkga['size'])
								$size = $pkga['size'];
							else
								$size = "8";
							display_row($rowcounter, $value, $fieldname, $type, $rowhelper, $size);

							$text = "";
							$trc++;
							}
						$rowcounter++;
						echo "<td>";
						#echo "<a onclick=\"removeRow(this); return false;\" href=\"#\"><img border=\"0\" src=\"./themes/".$g['theme']."/images/icons/icon_x.gif\" alt=\"remove\" /></a>";
						echo "<a class='delete' href=\"#\"><img border='0' src='./themes/{$g['theme']}/images/icons/icon_x.gif' alt='delete' /></a>";
						echo "</td>\n";
						}
				?>
				</tr>
				<tbody></tbody>
				</table>
	
				<!-- <br /><a onclick="javascript:addRowTo('maintable'); return false;" href="#"><img border="0" src="./themes/<?#= $g['theme']; ?>/images/icons/icon_plus.gif" alt="add" /></a>-->
				<br /><a class="add" href="#"><img border="0" src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" alt="add" /></a>
				<br /><?php if($pkga['description'] != "") echo $pkga['description']; ?>
				<script type="text/javascript">
				//<![CDATA[
				field_counter_js = <?= $fieldcounter ?>;
				rows = <?= $rowcounter ?>;
				totalrows = <?php echo $rowcounter; ?>;
				loaded = <?php echo $rowcounter; ?>;
				//typesel_change();
				//]]>
				</script>
		
				<?php
				break;
		    }
		#check typehint value
	   	if($pkga['typehint'])
	   		echo " " . $pkga['typehint'];
	   	#check combinefields options
     	if (isset($pkga['combinefields'])){
     		$input="</td>";
			if ($pkga['combinefields']=="end")
           		$input.="</table></td></tr>";
      		}
     	else{
			$input= "</td></tr>";
			if($pkga['usecolspan2'])
				$input.= "</tr><br />";
	     	}
   	 	if(isset($pkga['advancedfield']) && isset($adv_filed_count))
			$advanced .= "{$input}\n";
		else
			echo "{$input}\n";
		#increment counter
		$i++;
  		}

  	#print advanced settings if any after reading all fields
	if (isset($advanced) && $adv_filed_count > 0)
		echo $advanced;
  
	?>
  <tr>
	<td>&nbsp;</td>
  </tr>
  <tr>
    <td width="22%" valign="top">&nbsp;</td>
    <td width="78%">
    <div id="buttons">
		<?php
		if($pkg['note'] != ""){
			echo "<p><span class=\"red\"><strong>" . gettext("Note") . ":</strong></span> {$pkg['note']}</p>";
			}
		//if (isset($id) && $a_pkg[$id]) // We'll always have a valid ID in our hands
		echo "<input name='id' type='hidden' value=\"" . htmlspecialchars($id) . "\" />";
		echo "<input name='Submit' type='submit' class='formbtn' value=\"" . htmlspecialchars($savevalue) . "\" />\n{$pkg_buttons}\n";
		if (!$only_edit){
			echo "<input class=\"formbtn\" type=\"button\" value=\"".gettext("Cancel")."\" onclick=\"window.location.href='" . $_SERVER['HTTP_REFERER'] . "'\" />";
			}
		?>
	</div>
    </td>
  </tr>

</table>
</div></td></tr>
</table>
</form>

<?php if ($pkg['custom_php_after_form_command']) eval($pkg['custom_php_after_form_command']); ?>

<?php
	/* JavaScript to handle the advanced fields. */
	if ($pkg['advanced_options'] == "enabled") {
		echo "<script type=\"text/javascript\">\n";
		echo "//<![CDATA[\n";
		foreach($js_array as $advfieldname) {
			echo "function show_" . $advfieldname . "() {\n";
			echo "\tjQuery('#showadv_{$advfieldname}').empty();\n";
			echo "\tjQuery('#show_{$advfieldname}').css('display', 'block');\n";
			echo "}\n\n";
		}
		echo "//]]>\n";
		echo "</script>\n";
	}
?>

<?php include("fend.inc"); ?>
</body>
</html>

<?php
/*
 * ROW Helpers function
 */
function display_row($trc, $value, $fieldname, $type, $rowhelper, $size) {
	global $text, $config;
	echo "<td>\n";
	switch($type){
		case "input":
			echo "<input size='{$size}' name='{$fieldname}{$trc}' id='{$fieldname}{$trc}' class='formfld unknown' value=\"" . htmlspecialchars($value) . "\" />\n";
			break;
		case "checkbox":
			echo "<input size='{$size}' type='checkbox' id='{$fieldname}{$trc}' name='{$fieldname}{$trc}' value='ON' ".($value?"CHECKED":"")." />\n";
			break;
		case "password":
			echo "<input size='{$size}' type='password' id='{$fieldname}{$trc}' name='{$fieldname}{$trc}' class='formfld pwd' value=\"" . htmlspecialchars($value) . "\" />\n";
			break;
		case "textarea":
			echo "<textarea rows='2' cols='12' id='{$fieldname}{$trc}' class='formfld unknown' name='{$fieldname}{$trc}'>{$value}</textarea>\n";
		case "select":
			echo "<select style='height:22px;'  id='{$fieldname}{$trc}' name='{$fieldname}{$trc}' {$title}>\n";
			foreach($rowhelper['options']['option'] as $rowopt) {
				$text .= "<option value='{$rowopt['value']}'>{$rowopt['name']}</option>";
				echo "<option value='{$rowopt['value']}'".($rowopt['value'] == $value?" selected=\"selected\"":"").">{$rowopt['name']}</option>\n";
				}
			echo "</select>\n";
			break;
		case "interfaces_selection":
			$size = ($size ? "size=\"{$size}\"" : '');
			$multiple = '';
			if (isset($rowhelper['multiple'])) {
				$fieldname .= '[]';
				$multiple = "multiple=\"multiple\"";
			}
			echo "<select style='height:22px;' id='{$fieldname}{$trc}' name='{$fieldname}{$trc}' {$size} {$multiple}>\n";
			$ifaces = get_configured_interface_with_descr();
			$additional_ifaces = $rowhelper['add_to_interfaces_selection'];
			if (!empty($additional_ifaces))
				$ifaces = array_merge($ifaces, explode(',', $additional_ifaces));
			if(is_array($value))
				$values = $value;
			else
				$values  =  explode(',',  $value);
			$ifaces["lo0"] = "loopback";
			echo "<option><name></name><value></value></option>/n";
			foreach($ifaces as $ifname => $iface) {
				$text .="<option value=\"{$ifname}\">$iface</option>";
				echo "<option value=\"{$ifname}\" ".(in_array($ifname, $values) ? 'selected="selected"' : '').">{$iface}</option>\n";
				}
			echo "</select>\n";
			break;
		case "select_source":
			echo "<select style='height:22px;' id='{$fieldname}{$trc}' name='{$fieldname}{$trc}'>\n";
			if(isset($rowhelper['show_disable_value']))
				echo "<option value='{$rowhelper['show_disable_value']}'>{$rowhelper['show_disable_value']}</option>\n";
			$source_url = $rowhelper['source'];
			eval("\$pkg_source_txt = &$source_url;");
			foreach($pkg_source_txt as $opt) {
				$source_name = ($rowhelper['source_name'] ? $opt[$rowhelper['source_name']] : $opt[$rowhelper['name']]);
				$source_value = ($rowhelper['source_value'] ? $opt[$rowhelper['source_value']] : $opt[$rowhelper['value']]);
				$text .= "<option value='{$source_value}'>{$source_name}</option>";
				echo "<option value='{$source_value}'".($source_value == $value?" selected=\"selected\"":"").">{$source_name}</option>\n";
				}
			echo "</select>\n";
			break;		
		}
	echo "</td>\n";
}

function fixup_string($string) {
	global $config;
	// fixup #1: $myurl -> http[s]://ip_address:port/
	$https = "";
	$port = $config['system']['webguiport'];
	if($port <> "443" and $port <> "80")
		$urlport = ":" . $port;
	else
		$urlport = "";

	if($config['system']['webgui']['protocol'] == "https") $https = "s";
	$myurl = "http" . $https . "://" . getenv("HTTP_HOST") . $urlport;
	$newstring = str_replace("\$myurl", $myurl, $string);
	$string = $newstring;
	// fixup #2: $wanip
	$curwanip = get_interface_ip();
	$newstring = str_replace("\$wanip", $curwanip, $string);
	$string = $newstring;
	// fixup #3: $lanip
	$lancfg = $config['interfaces']['lan'];
	$lanip = $lancfg['ipaddr'];
	$newstring = str_replace("\$lanip", $lanip, $string);
	$string = $newstring;
	// fixup #4: fix'r'up here.
	return $newstring;
}

/*
 *  Parse templates if they are defined
 */
function parse_package_templates() {
	global $pkg, $config;
	$rows = 0;
	if($pkg['templates']['template'] <> "")
	    foreach($pkg['templates']['template'] as $pkg_template_row) {
			$filename = $pkg_template_row['filename'];
			$template_text = $pkg_template_row['templatecontents'];
			$firstfield = "";
			/* calculate total row helpers count and */
			/* change fields defined as fieldname_fieldvalue to their value */
			foreach ($pkg['fields']['field'] as $fields) {
				switch($fields['type']){
					case "rowhelper":
					// save rowhelper items.
					$row_helper_total_rows = 0;
					$row_helper_data = "";
					foreach($fields['rowhelper']['rowhelperfield'] as $rowhelperfield)
						foreach($_POST as $key => $value){
							if (preg_match("/^{$rowhelperfield['fieldname']}(\d+)$/",$key,$matches)){
								$row_helper_total_rows++;
								$row_helper_data .= $value;
								$sep = "";
								ereg($rowhelperfield['fieldname'] . "_fieldvalue\[(.*)\]", $template_text, $sep);
								foreach ($sep as $se) $separator = $se;
								if($separator <> "") {
							    	$row_helper_data = ereg_replace("  ", $separator, $row_helper_data);
							    	$template_text = ereg_replace("\[{$separator}\]", "", $template_text);
									}
								$template_text = str_replace($rowhelperfield['fieldname'] . "_fieldvalue", $row_helper_data, $template_text);
								}
							}
					break;
				default:
					$fieldname  = $fields['fieldname'];
					$fieldvalue = $_POST[$fieldname];
					$template_text = str_replace($fieldname . "_fieldvalue", $fieldvalue, $template_text);
				}
			}
		/* replace $domain_total_rows with total rows */
		$template_text = str_replace("$domain_total_rows", $row_helper_total_rows, $template_text);

		/* replace cr's */
		$template_text = str_replace("\\n", "\n", $template_text);

		/* write out new template file */
		$fout = fopen($filename,"w");
		fwrite($fout, $template_text);
		fclose($fout);
	    }
}

/* Return html div fields */
function display_advanced_field($fieldname) {
	$div = "<div id='showadv_{$fieldname}'>\n";
	$div .= "<input type='button' onclick='show_{$fieldname}()' value='" . gettext("Advanced") . "' /> - " . gettext("Show advanced option") ."</div>\n";
	$div .= "<div id='show_{$fieldname}' style='display:none'>\n";
	return $div;
}

?>