Code style cleanups

1 files changed, 299 insertions, 312 deletions

diff --git a/config/lightsquid/sqstat.php b/config/lightsquid/sqstat.php
index 7b12b970..18fa2d25 100644
--- a/config/lightsquid/sqstat.php
+++ b/config/lightsquid/sqstat.php
@@ -1,410 +1,397 @@
 <?php
-/* $Id$ */
 /*
-    sqstat.php
-    Squid Proxy Server realtime stat
-
-    (c) Alex Samorukov, samm@os2.kiev.ua
-    modification by 2011 Serg Dvoriancev, dv_serg@mail.ru
-
-    part of pfSense (www.pfSense.com)
-
-    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.
+	sqstat.php
+	part of pfSense (https://www.pfSense.org/)
+	Copyright (C) 2006 Alex Samorukov <samm@os2.kiev.ua>
+	Copyright (C) 2011 Sergey Dvoriancev <dv_serg@mail.ru>
+	Copyright (C) 2015 ESF, LLC
+	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.
 */
-
-/*
-*** sqstat - Squid Proxy Server realtime stat ***
-(c) Alex Samorukov, samm@os2.kiev.ua
-*/
-
+/* Squid Proxy Server realtime stats */
 require_once('guiconfig.inc');
 require_once('sqstat.class.php');
 
-# init
+// init
 $squidclass = new squidstat();
 
-# ------------------------------------------------------------------------------
-# Requests
-# ------------------------------------------------------------------------------
-
-# AJAX responce
-if ($_REQUEST['getactivity'])
-{
-    header("Content-type: text/javascript");
-    echo sqstat_AJAX_response( $_REQUEST );
-    exit;
+/*
+ * Requests
+ */
+
+/* AJAX response */
+if ($_REQUEST['getactivity']) {
+	header("Content-type: text/javascript");
+	echo sqstat_AJAX_response( $_REQUEST );
+	exit;
 }
 
-# ------------------------------------------------------------------------------
-# HTML Page
-# ------------------------------------------------------------------------------
+/*
+ * HTML Page
+ */
 
-$pgtitle = "Proxy Squid: Realtime stat (sqstat)";
+$pgtitle = "Squid Proxy Server: Realtime Stats (SQStat)";
 
 require_once("head.inc");
-$csrf_token= csrf_get_tokens();
+$csrf_token = csrf_get_tokens();
 ?>
 
-<link   href="sqstat.css" rel="stylesheet" type="text/css"/>
+<link href="sqstat.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="/javascript/scriptaculous/prototype.js"></script>
 <script type="text/javascript" src="zhabascript.js"></script>
 
-<!-- Ajax Script -->
+<!-- AJAX script -->
 <script type="text/javascript">
-
+//<![CDATA[
 var intervalID = 0;
 
 function el(id) {
-    return document.getElementById(id);
+	return document.getElementById(id);
 }
 
 function getactivity(action) {
-    var url  = "<?php echo ($_SERVER["PHP_SELF"]); ?>";
-    var pars = "getactivity=yes" + "<? echo '&__csrf_magic='.$csrf_token ?>";
-
-    var myAjax = new Ajax.Request( url,
-            {
-                 method:    'post',
-                 parameters: pars,
-                 onComplete: activitycallback
-            });
+	var url = "<?php echo ($_SERVER["PHP_SELF"]); ?>";
+	var pars = "getactivity=yes" + "<? echo '&__csrf_magic='.$csrf_token ?>";
+
+	var myAjax = new Ajax.Request(url, {
+		method: 'post',
+		parameters: pars,
+		onComplete: activitycallback
+	});
 }
 
 function activitycallback(transport) {
-
-    if (200 == transport.status) {
-        result = transport.responseText;
-    }
+	if (200 == transport.status) {
+		result = transport.responseText;
+	}
 }
 
 function update_start() {
-    var cmax = parseInt(el('refresh').value);
+	var cmax = parseInt(el('refresh').value);
 
-    update_stop();
+	update_stop();
 
-    if (cmax > 0) {
-        intervalID = window.setInterval('getactivity();', cmax * 1000);
-    }
+	if (cmax > 0) {
+		intervalID = window.setInterval('getactivity();', cmax * 1000);
+	}
 }
 
 function update_stop() {
-     window.clearInterval(intervalID);
-   	intervalID = 0;
+	window.clearInterval(intervalID);
+	intervalID = 0;
 }
 
 // pre-call
 window.setTimeout('update_start()', 150);
 
+//]]>
 </script>
 
-<!-- HTML -->
-
-<!-- begin -->
+<!-- HTML start -->
 <body link="#0000CC" vlink="#0000CC" alink="#0000CC">
 <?php include("fbegin.inc"); ?>
 
 <?php
-    # prepare page data
-    $data = '';
-    sqstat_loadconfig();
-    if (sqstat_loadconfig() == 0) {
-        $data = $squidclass->query_exec();
-    }
-
-    if ($squidclass->errno == 0) {
-        $data = sqstat_resultHTML($data);
-    }
-    else {
-       # error    	
-	$data = sqstat_errorHTML();    
-    }
+	// Prepare page data
+	$data = '';
+	sqstat_loadconfig();
+	if (sqstat_loadconfig() == 0) {
+		$data = $squidclass->query_exec();
+	}
+
+	if ($squidclass->errno == 0) {
+		$data = sqstat_resultHTML($data);
+	} else {
+		// error
+		$data = sqstat_errorHTML();
+	}
 ?>
 
-<!-- form -->
-<div id="sqstat_header" class="header" >
-    <?php echo ( sqstat_headerHTML() ); ?>
+<!-- Form -->
+<div id="sqstat_header" class="header">
+	<?php echo ( sqstat_headerHTML() ); ?>
 </div>
 
-<!-- result table -->
+<!-- Result table -->
 <div id="sqstat_result" class="result">
-    <?php echo ($data); ?>
+	<?php echo ($data); ?>
 </div>
 
-<!-- end -->
+<!-- HTML end -->
 <?php include("fend.inc"); ?>
 </body>
 </html>
 
+
 <?php
 
-# ------------------------------------------------------------------------------
-# Functions
-# ------------------------------------------------------------------------------
+/*
+ * Functions
+ */
 
-function sqstat_AJAX_response( $request )
-{
-    global $squidclass, $data;
-    $res = '';
+function sqstat_AJAX_response( $request ) {
+	global $squidclass, $data;
+	$res = '';
 
-    if (sqstat_loadconfig() != 0) {
-        return sqstat_AJAX_error(sqstat_errorHTML());
-    }
+	if (sqstat_loadconfig() != 0) {
+		return sqstat_AJAX_error(sqstat_errorHTML());
+	}
 
-    # Actions
-    $data = $squidclass->query_exec();
+	// Actions
+	$data = $squidclass->query_exec();
 
-    $ver  = sqstat_serverInfoHTML();
-    $res .= "el('sqstat_serverver').innerHTML = '$ver';";
+	$ver  = sqstat_serverInfoHTML();
+	$res .= "el('sqstat_serverver').innerHTML = '$ver';";
 
-    $time = date("h:i:s d/m/Y");
-    $res .= "el('sqstat_updtime').innerHTML = '$time';";
+	$time = date("h:i:s d/m/Y");
+	$res .= "el('sqstat_updtime').innerHTML = '$time';";
 
-    $data = sqstat_resultHTML( $data );
-    if ($squidclass->errno == 0) {
-        $data = sqstat_AJAX_prep($data);
-        $res .= "el('sqstat_result').innerHTML = '$data';";
-    }
-    else {
-        # error
-        $res .= sqstat_AJAX_error(sqstat_errorHTML());
-    }
+	$data = sqstat_resultHTML( $data );
+	if ($squidclass->errno == 0) {
+		$data = sqstat_AJAX_prep($data);
+		$res .= "el('sqstat_result').innerHTML = '$data';";
+	} else {
+		// error
+		$res .= sqstat_AJAX_error(sqstat_errorHTML());
+	}
 
-    return $res;
+	return $res;
 }
 
-function sqstat_AJAX_prep($text)
-{
-    $text = str_replace("'", "\'", $text);
-    $text = str_replace("\n", "\\r\\n", $text);
-    return $text;
+function sqstat_AJAX_prep($text) {
+	$text = str_replace("'", "\'", $text);
+	$text = str_replace("\n", "\\r\\n", $text);
+	return $text;
 }
 
-function sqstat_AJAX_error($err)
-{
-    $err = sqstat_AJAX_prep($err);
-    $t .= "el('sqstat_result').innerHTML = '$err';";
-    return $t;
+function sqstat_AJAX_error($err) {
+	$err = sqstat_AJAX_prep($err);
+	$t .= "el('sqstat_result').innerHTML = '$err';";
+	return $t;
 }
 
-# ------------------------------------------------------------------------------
-# Reports
-# ------------------------------------------------------------------------------
+/*
+ *Reports
+ */
 
-function sqstat_headerHTML()
-{
-    global $squidclass;
+function sqstat_headerHTML() {
+	global $squidclass;
 
-    $date = date("h:i:s d/m/Y");
-    $squidinfo = sqstat_serverInfoHTML();
+	$date = date("h:i:s d/m/Y");
+	$squidinfo = sqstat_serverInfoHTML();
 
-	if (empty($squidclass->autorefresh)) $squidclass->autorefresh = 0;
+	if (empty($squidclass->autorefresh)) {
+		$squidclass->autorefresh = 0;
+	}
 
-	return
-<<<EOD
+	return <<< EOD
  	<form method="get" action="{$_SERVER["PHP_SELF"]}">
-		<input id="counter" name="counter" type="hidden" value=0/>
+		<input id="counter" name="counter" type="hidden" value=0 />
 		Squid RealTime stat {$squidclass->sqstat_version} for the {$servers} proxy server <a id='sqstat_serverver'>{$squidinfo}</a>.<br/>
 		Auto refresh:
 		<input id="refresh" name="refresh" type="text" size="4" value="{$squidclass->autorefresh}"/> sec.
-		<input type="button" value="Update" onclick="update_start();"/>
-		<input type="button" value="Stop"   onclick="update_stop();"/> Created at: <tt id='sqstat_updtime'>{$date}</tt><br/>
+		<input type="button" value="Update" onclick="update_start();" />
+		<input type="button" value="Stop" onclick="update_stop();" /> Created at: <tt id='sqstat_updtime'>{$date}</tt><br/>
 	</form>
 EOD;
 }
 
-function sqstat_serverInfoHTML()
-{
-    global $squidclass;
-    return $squidclass->server_version . " ({$squidclass->squidhost}:{$squidclass->squidport})";
+function sqstat_serverInfoHTML() {
+	global $squidclass;
+	return $squidclass->server_version . " ({$squidclass->squidhost}:{$squidclass->squidport})";
 }
 
-function sqstat_resultHTML($data)
-{
-    global $squidclass;
-
-    $group_by_name = $squidclass->group_by_name;
-    $use_js        = true;
-
-    $t = array();
-
-    # table header
-    $t[] = "<table class='result' align='center' width='100%' border='0'>";
-    $t[] = "<tr>";
-    $t[] = "<th>{$group_by_name}</th><th>URI</th>";
-    if ($squidclass->use_sessions)
-        $t[] = "<th>Curr. Speed</th><th>Avg. Speed</th>";
-    $t[] = "<th>Size</th><th>Time</th>";
-    $t[] = "</tr>";
-
-    # table body
-    if (is_array($data['users'])) {
-        $tbl = array();
-
-        $con_color = 0;
-        foreach($data['users'] as $key => $v) {
-            # skeep total info
-            if ($key == 'total') continue;
-            # group row
-            $tbl[] = "<tr>";
-            $tbl[] = "<td style='border-right:0;' colspan='2'><b>" . (is_int($key) ? long2ip($key) : $key) . "</b></td>";
-            $tbl[] = "<td style='border-left:0;'  colspan='5'>&nbsp;</td>";
-            $tbl[] = "</tr>";
-
-            # connections row
-            foreach ($v['con'] as $con) {
-                if ($use_js)
-                    $js = "onMouseout='hideddrivetip()' onMouseover='ddrivetip(\"" . $squidclass->implode_with_keys($con,"<br/>") . "\")'";
-                else $js='';
-
-                # begin new row
-                $class = (++$con_color % 2 == 0) ? " class='odd'" : "";
-                $tbl[] = "<tr ($class)>";
-
-                # URL
-                $uri   = "<a target='_blank' href='" . htmlspecialchars($con["uri"]) ."'>{$con['uritext']}</a>";
-                $tbl[] = "<td id='white'></td>";
-                $tbl[] = "<td nowrap {$js} width='80%'>{$uri}</td>";
-
-                # speed
-                if ($squidclass->use_sessions) {
-                    $cur_s = round($con['cur_speed'], 2) > 0 ? sprintf("%01.2f KB/s", $con['cur_speed']) : '';
-                    $avg_s = round($con['avg_speed'], 2) > 0 ? sprintf("%01.2f KB/s", $con['avg_speed']) : '';
-                    $tbl[] = "<td nowrap align='right'>{$cur_s}</td>";
-                    $tbl[] = "<td nowrap align='right'>{$avg_s}</td>";
-                }
-
-                # file size
-                $filesize = $squidclass->filesize_format($con["bytes"]);
-                $duration = $squidclass->duration($con["seconds"], "short");
-                $tbl[] = "<td nowrap align='right'>{$filesize}</td>";
-                $tbl[] = "<td nowrap align='right'>{$duration}</td>";
-
-                # end row
-                $tbl[] = "</tr>";
-            }
-
-            # total user speed
-            if ($squidclass->use_sessions) {
-                $user_curr = sprintf("%01.2f KB/s", $v['user_curr']);
-                $user_avg  = sprintf("%01.2f KB/s", $v['user_avg']);
-                $tbl[] ="<tr>";
-                $tbl[] ="<td colspan='2'></td>";
-                $tbl[] ="<td align='right' id='highlight'>{$user_curr}</td>";
-                $tbl[] ="<td align='right' id='highlight'>{$user_avg}</td>";
-                $tbl[] ="<td colspan='2'></td>";
-            }
-        }
-
-
-        # status row
-        $stat = array();
-        $ausers = sprintf("%d", $data['ausers']);
-        $acon   = sprintf("%d", $data['acon']);
-        $stat[] = "<tr class='total'><td><b>Total:</b></td>";
-        if ($squidclass->use_sessions) {
-            $total_curr = sprintf("%01.2f", $data['total_curr']);
-            $total_avg  = sprintf("%01.2f", $data['total_avg']);
-            $stat[] = "<td align='right' colspan='5'><b>{$ausers}</b> users and <b>{$acon}</b> connections @ <b>{$total_curr}/{$total_avg}</b> KB/s (CURR/AVG)</td>";
-        }
-        else {
-            $stat[] = "<td align='right' colspan='5'><b>{$ausers}</b> users and <b>{$acon}</b> connections</td>";
-        }
-        $t[] = "</tr>";
-    }
-
-    if ($ausers == 0) {
-        $t[] = "<tr><td colspan=6><b>No active connections</b></td></tr>";
-    }
-    else {
-        $stat = implode("\n", $stat);
-        $tbl  = implode("\n", $tbl);
-        $t[]  = $stat . $tbl . $stat;
-    }
-
-    $t[] = "</table>";
-    $t[] = "<p class='copyleft'>Report based on SQStat &copy; <a href='mailto:samm@os2.kiev.ua?subject=SqStat '" . SQSTAT_VERSION . "'>Alex Samorukov</a>, 2006</p>";
-
-    return implode("\n", $t);
+function sqstat_resultHTML($data) {
+	global $squidclass;
+
+	$group_by_name = $squidclass->group_by_name;
+	$use_js = true;
+
+	$t = array();
+
+	// table header
+	$t[] = "<table class='result' align='center' width='100%' border='0'>";
+	$t[] = "<tr>";
+	$t[] = "<th>{$group_by_name}</th><th>URI</th>";
+	if ($squidclass->use_sessions) {
+		$t[] = "<th>Curr. Speed</th><th>Avg. Speed</th>";
+	}
+	$t[] = "<th>Size</th><th>Time</th>";
+	$t[] = "</tr>";
+
+	// table body
+	if (is_array($data['users'])) {
+		$tbl = array();
+
+		$con_color = 0;
+		foreach($data['users'] as $key => $v) {
+			// skip total info
+			if ($key == 'total') {
+				continue;
+			}
+			// group row
+			$tbl[] = "<tr>";
+			$tbl[] = "<td style='border-right:0;' colspan='2'><b>" . (is_int($key) ? long2ip($key) : $key) . "</b></td>";
+			$tbl[] = "<td style='border-left:0;'  colspan='5'>&nbsp;</td>";
+			$tbl[] = "</tr>";
+
+			// connections row
+			foreach ($v['con'] as $con) {
+				if ($use_js) {
+					$js = "onMouseout='hideddrivetip()' onMouseover='ddrivetip(\"" . $squidclass->implode_with_keys($con,"<br/>") . "\")'";
+				} else {
+					$js='';
+				}
+
+				// begin new row
+				$class = (++$con_color % 2 == 0) ? " class='odd'" : "";
+				$tbl[] = "<tr ($class)>";
+
+				// URL
+				$uri   = "<a target='_blank' href='" . htmlspecialchars($con["uri"]) ."'>{$con['uritext']}</a>";
+				$tbl[] = "<td id='white'></td>";
+				$tbl[] = "<td nowrap {$js} width='80%'>{$uri}</td>";
+
+				// speed
+				if ($squidclass->use_sessions) {
+					$cur_s = round($con['cur_speed'], 2) > 0 ? sprintf("%01.2f KB/s", $con['cur_speed']) : '';
+					$avg_s = round($con['avg_speed'], 2) > 0 ? sprintf("%01.2f KB/s", $con['avg_speed']) : '';
+					$tbl[] = "<td nowrap align='right'>{$cur_s}</td>";
+					$tbl[] = "<td nowrap align='right'>{$avg_s}</td>";
+				}
+
+				// file size
+				$filesize = $squidclass->filesize_format($con["bytes"]);
+				$duration = $squidclass->duration($con["seconds"], "short");
+				$tbl[] = "<td nowrap align='right'>{$filesize}</td>";
+				$tbl[] = "<td nowrap align='right'>{$duration}</td>";
+
+				// end row
+				$tbl[] = "</tr>";
+			}
+
+			// total user speed
+			if ($squidclass->use_sessions) {
+				$user_curr = sprintf("%01.2f KB/s", $v['user_curr']);
+				$user_avg  = sprintf("%01.2f KB/s", $v['user_avg']);
+				$tbl[] ="<tr>";
+				$tbl[] ="<td colspan='2'></td>";
+				$tbl[] ="<td align='right' id='highlight'>{$user_curr}</td>";
+				$tbl[] ="<td align='right' id='highlight'>{$user_avg}</td>";
+				$tbl[] ="<td colspan='2'></td>";
+			}
+		}
+
+
+		// status row
+		$stat = array();
+		$ausers = sprintf("%d", $data['ausers']);
+		$acon   = sprintf("%d", $data['acon']);
+		$stat[] = "<tr class='total'><td><b>Total:</b></td>";
+		if ($squidclass->use_sessions) {
+			$total_curr = sprintf("%01.2f", $data['total_curr']);
+			$total_avg  = sprintf("%01.2f", $data['total_avg']);
+			$stat[] = "<td align='right' colspan='5'><b>{$ausers}</b> users and <b>{$acon}</b> connections @ <b>{$total_curr}/{$total_avg}</b> KB/s (CURR/AVG)</td>";
+		} else {
+			$stat[] = "<td align='right' colspan='5'><b>{$ausers}</b> users and <b>{$acon}</b> connections</td>";
+		}
+		$t[] = "</tr>";
+	} // ENDIF (is_array($data['users']))
+
+	if ($ausers == 0) {
+		$t[] = "<tr><td colspan=6><b>No active connections</b></td></tr>";
+	} else {
+		$stat = implode("\n", $stat);
+		$tbl  = implode("\n", $tbl);
+		$t[]  = $stat . $tbl . $stat;
+	}
+
+	$t[] = "</table>";
+	$t[] = "<p class='copyleft'>Report based on SQStat &copy; <a href='mailto:samm@os2.kiev.ua?subject=SqStat '" . SQSTAT_VERSION . "'>Alex Samorukov</a>, 2006</p>";
+
+	return implode("\n", $t);
 }
 
-function sqstat_errorHTML()
-{
-    global $squidclass;
-    $t = array();
+function sqstat_errorHTML() {
+	global $squidclass;
+	$t = array();
 
-    # table header
-    $t[] = "<table class='result' align='center' width='100%' border='0'>";
-    $t[] = "<tr><th align='left'>SqStat error</th></tr>";
-    $t[] = "<tr><td>";
-    $t[] = '<p style="color:red">Error (' . $squidclass->errno . '): ' . $squidclass->errstr . '</p>';
-    $t[] = "</td></tr>";
-    $t[] = "</table>";
+	// table header
+	$t[] = "<table class='result' align='center' width='100%' border='0'>";
+	$t[] = "<tr><th align='left'>SqStat error</th></tr>";
+	$t[] = "<tr><td>";
+	$t[] = '<p style="color:red">Error (' . $squidclass->errno . '): ' . $squidclass->errstr . '</p>';
+	$t[] = "</td></tr>";
+	$t[] = "</table>";
 
-    return implode ("\n", $t);
+	return implode ("\n", $t);
 }
 
-function sqstat_loadconfig()
-{
-    global $squidclass, $config;
-
-    $squidclass->errno = 0;
-    $squidclass->errstr = '';
-
-    $squidclass->sqstat_version = SQSTAT_VERSION;
-
-    # === load config from pfSense ===
-    $iface = '127.0.0.1';
-    $iport = 3128;
-    $squid_settings = $config['installedpackages']['squid']['config'][0];
-    if (!empty($squid_settings)) {
-        # squid interface IP & port
-        $realif = array();
-        $iface = ($squid_settings['active_interface'] ? $squid_settings['active_interface'] : 'lan');
-        $iface = explode(",", $iface);
-        foreach ($iface as $i => $if) {
-            $realif[] = sqstat_get_real_interface_address($if);
-            $iface    = $realif[$i][0] ? $realif[$i][0] : '127.0.0.1';
-        }
-        $iport = $squid_settings['proxy_port'] ? $squid_settings['proxy_port'] : 3128;
-    }
-    $squidclass->squidhost = $iface;
-    $squidclass->squidport = $iport;
-
-    $squidclass->group_by        = "host";
-    $squidclass->resolveip       = true;
-    $squidclass->hosts_file      = '';    # hosts file not used
-    $squidclass->autorefresh     = 3;     # refresh 3 sec by default
-    $squidclass->cachemgr_passwd = '';
-
-    # load hosts file, if defined
-    if (!empty($squidclass->hosts_file)) {
-        $squidclass->load_hosts();
-    }
-
-    return $squidclass->errno;
+function sqstat_loadconfig() {
+	global $squidclass, $config;
+
+	$squidclass->errno = 0;
+	$squidclass->errstr = '';
+
+	$squidclass->sqstat_version = SQSTAT_VERSION;
+
+	/* Load config from pfSense */
+	$iface = '127.0.0.1';
+	$iport = 3128;
+	if (is_array($config['installedpackages']['squid']['config'][0])) {
+		$squid_settings = $config['installedpackages']['squid']['config'][0];
+	} else {
+		$squid_settings = array();
+	}
+
+	// Squid interface IP & port
+	$realif = array();
+	$iface = ($squid_settings['active_interface'] ? $squid_settings['active_interface'] : 'lan');
+	$iface = explode(",", $iface);
+	foreach ($iface as $i => $if) {
+		$realif[] = sqstat_get_real_interface_address($if);
+		$iface = $realif[$i][0] ? $realif[$i][0] : '127.0.0.1';
+	}
+	$iport = $squid_settings['proxy_port'] ? $squid_settings['proxy_port'] : 3128;
+
+	$squidclass->squidhost = $iface;
+	$squidclass->squidport = $iport;
+
+	$squidclass->group_by = "host";
+	$squidclass->resolveip = true;
+	$squidclass->hosts_file = ''; // hosts file not used
+	$squidclass->autorefresh = 3; // refresh 3 secs by default
+	$squidclass->cachemgr_passwd = '';
+
+	// Load hosts file if defined
+	if (!empty($squidclass->hosts_file)) {
+		$squidclass->load_hosts();
+	}
+
+	return $squidclass->errno;
 }
 
-function sqstat_get_real_interface_address($iface)
-{
+function sqstat_get_real_interface_address($iface) {
 	global $config;
 
 	$iface = convert_friendly_interface_to_real_interface_name($iface);