(legacy) curly braces and spaces in pfsense-utils.inc

src/etc/inc/pfsense-utils.inc

 <?php
 
 /*
- * Copyright (C) 2004-2007 Scott Ullrich <sullrich@gmail.com>
- * 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)
- * RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- */
+    Copyright (C) 2004-2007 Scott Ullrich <sullrich@gmail.com>
+    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)
+    RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+*/
 
 /****f* legacy/is_private_ip
  * NAME
@@ -35,7 +34,8 @@
  * RESULT
  *   returns true if an ip address is in a private range
  ******/
-function is_private_ip($iptocheck) {
+function is_private_ip($iptocheck)
+{
     $isprivate = false;
     $ip_private_list=array(
       "10.0.0.0/8",
@@ -44,15 +44,16 @@ function is_private_ip($iptocheck) {
       "192.168.0.0/16",
     );
     foreach($ip_private_list as $private) {
-		if(ip_in_subnet($iptocheck,$private)==true)
+        if (ip_in_subnet($iptocheck,$private)==true) {
             $isprivate = true;
         }
+    }
     return $isprivate;
 }
 
 /****f* legacy/get_dns_servers
  * NAME
- *   get_dns_servres - get system dns servers
+ *   get_dns_servers - get system dns servers
  * INPUTS
  *   $dns_servers - an array of the dns servers
  * RESULT
@@ -63,9 +64,10 @@ function get_dns_servers() {
     $dns_s = file("/etc/resolv.conf", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
     foreach($dns_s as $dns) {
         $matches = "";
-		if (preg_match("/nameserver (.*)/", $dns, $matches))
+        if (preg_match("/nameserver (.*)/", $dns, $matches)) {
             $dns_servers[] = $matches[1];
         }
+    }
     return array_unique($dns_servers);
 }
 
@@ -134,7 +136,6 @@ function setup_polling()
  *   This function only supports the fxp driver's loadable microcode.
  ******/
 function setup_microcode() {
-
     /* if list */
     $ifs = legacy_interface_listget();
 
@@ -154,13 +155,14 @@ function get_carp_interface_status($carpinterface) {
     $interface = get_real_interface($interface);
     exec("/sbin/ifconfig $interface | /usr/bin/grep -v grep | /usr/bin/grep carp: | /usr/bin/grep 'vhid {$vhid}'", $carp_query);
     foreach($carp_query as $int) {
-		if(stristr($int, "MASTER"))
+        if (stristr($int, "MASTER")) {
             return gettext("MASTER");
-		if(stristr($int, "BACKUP"))
+        } elseif (stristr($int, "BACKUP")) {
             return gettext("BACKUP");
-		if(stristr($int, "INIT"))
+        } elseif(stristr($int, "INIT")) {
             return gettext("INIT");
         }
+    }
     return;
 }
 
@@ -187,7 +189,6 @@ function backup_config_section($section_name) {
 function restore_config_section($section_name, $new_contents)
 {
     global $config;
-
     $tmpxml = '/tmp/tmpxml';
 
     $fout = fopen($tmpxml, 'w');
@@ -353,13 +354,14 @@ function setup_serial_port($sync = true)
     }
 
     foreach($ttys_split as $tty) {
-		if (stristr($tty, "ttyv0"))
+        if (stristr($tty, "ttyv0")) {
             fwrite($fd, "ttyv0  \"/usr/libexec/getty {$console_type}\"  cons25  on  secure\n");
-		else if (stristr($tty, "ttyu0"))
+        } elseif (stristr($tty, "ttyu0")) {
             fwrite($fd, "ttyu0  \"/usr/libexec/getty {$serial_type}\"  cons25  {$on_off}  secure\n");
-		else
+        } else {
             fwrite($fd, $tty . "\n");
         }
+    }
 
     unset($on_off, $console_type, $serial_type);
     fclose($fd);
@@ -377,23 +379,25 @@ function reload_ttys()
 
 
 /* Any PPPoE servers enabled? */
-function is_pppoe_server_enabled() {
+function is_pppoe_server_enabled()
+{
     global $config;
-
     $pppoeenable = false;
-
-	if (!isset($config['pppoes']['pppoe']) || !is_array($config['pppoes']['pppoe']))
+    if (!isset($config['pppoes']['pppoe']) || !is_array($config['pppoes']['pppoe'])) {
         return false;
+    }
 
-	foreach ($config['pppoes']['pppoe'] as $pppoes)
-		if ($pppoes['mode'] == 'server')
+    foreach ($config['pppoes']['pppoe'] as $pppoes) {
+        if ($pppoes['mode'] == 'server') {
             $pppoeenable = true;
+        }
+    }
 
     return $pppoeenable;
 }
 
 function add_hostname_to_watch($hostname) {
-	if(!is_dir("/var/db/dnscache")) {
+    if (!is_dir("/var/db/dnscache")) {
         mkdir("/var/db/dnscache");
     }
     $result = array();
@@ -427,16 +431,16 @@ function add_hostname_to_watch($hostname) {
 
 function is_fqdn($fqdn) {
     $hostname = false;
-	if(preg_match("/[-A-Z0-9\.]+\.[-A-Z0-9\.]+/i", $fqdn)) {
+    if (preg_match("/[-A-Z0-9\.]+\.[-A-Z0-9\.]+/i", $fqdn)) {
         $hostname = true;
     }
-	if(preg_match("/\.\./", $fqdn)) {
+    if (preg_match("/\.\./", $fqdn)) {
         $hostname = false;
     }
-	if(preg_match("/^\./i", $fqdn)) {
+    if (preg_match("/^\./i", $fqdn)) {
         $hostname = false;
     }
-	if(preg_match("/\//i", $fqdn)) {
+    if (preg_match("/\//i", $fqdn)) {
         $hostname = false;
     }
     return($hostname);
@@ -486,8 +490,9 @@ function download_file($url, $destination, $verify_ssl = false, $connect_timeout
 
     $fp = fopen($destination, "wb");
 
-	if (!$fp)
+    if (!$fp) {
         return false;
+    }
 
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
@@ -501,8 +506,9 @@ function download_file($url, $destination, $verify_ssl = false, $connect_timeout
 
     if (!empty($config['system']['proxyurl'])) {
         curl_setopt($ch, CURLOPT_PROXY, $config['system']['proxyurl']);
-		if (!empty($config['system']['proxyport']))
+        if (!empty($config['system']['proxyport'])) {
             curl_setopt($ch, CURLOPT_PROXYPORT, $config['system']['proxyport']);
+        }
         if (!empty($config['system']['proxyuser']) && !empty($config['system']['proxypass'])) {
             @curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_ANY | CURLAUTH_ANYSAFE);
             curl_setopt($ch, CURLOPT_PROXYUSERPWD, "{$config['system']['proxyuser']}:{$config['system']['proxypass']}");
@@ -517,7 +523,7 @@ function download_file($url, $destination, $verify_ssl = false, $connect_timeout
 }
 
 /* Split() is being DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 6.0.0. Relying on this feature is highly discouraged. */
-if(!function_exists("split")) {
+if (!function_exists("split")) {
     function split($separator, $haystack, $limit = null) {
         log_error("deprecated split() call with separator '{$separator}'");
         return preg_split($separator, $haystack, $limit);
@@ -526,33 +532,33 @@ if(!function_exists("split")) {
 
 function update_alias_names_upon_change($section, $field, $new_alias_name, $origname)
 {
-	global $config, $pconfig;
-
+    global $config;
     if (!$origname) {
         return;
     }
 
     $sectionref = &$config;
     foreach($section as $sectionname) {
-		if(is_array($sectionref) && isset($sectionref[$sectionname]))
+        if (is_array($sectionref) && isset($sectionref[$sectionname])) {
             $sectionref = &$sectionref[$sectionname];
-		else
+        } else {
             return;
         }
+    }
 
-	if(is_array($sectionref)) {
+    if (is_array($sectionref)) {
         foreach($sectionref as $itemkey => $item) {
             $fieldfound = true;
             $fieldref = &$sectionref[$itemkey];
             foreach($field as $fieldname) {
-				if(is_array($fieldref) && isset($fieldref[$fieldname]))
+                if (is_array($fieldref) && isset($fieldref[$fieldname])) {
                     $fieldref = &$fieldref[$fieldname];
-				else {
+                } else {
                     $fieldfound = false;
                     break;
                 }
             }
-			if($fieldfound && $fieldref == $origname) {
+            if ($fieldfound && $fieldref == $origname) {
                 $fieldref = $new_alias_name;
             }
         }
@@ -561,7 +567,7 @@ function update_alias_names_upon_change($section, $field, $new_alias_name, $orig
 
 
 function process_alias_unzip($temp_filename) {
-	if(!file_exists("/usr/local/bin/unzip")) {
+    if (!file_exists("/usr/local/bin/unzip")) {
         log_error(gettext("Alias archive is a .zip file which cannot be decompressed because utility is missing!"));
         return false;
     }
@@ -581,8 +587,9 @@ function process_alias_unzip($temp_filename) {
             log_error(sprintf(gettext('The following file could not be read %s from %s'), $f2p, $temp_filename));
             continue;
         }
-		while (($tmpbuf = fread($tmpfd, 65536)) !== FALSE)
+        while (($tmpbuf = fread($tmpfd, 65536)) !== FALSE) {
             fwrite($fd, $tmpbuf);
+        }
         fclose($tmpfd);
         unlink($f2p);
     }
@@ -593,7 +600,7 @@ function process_alias_unzip($temp_filename) {
 }
 
 function process_alias_tgz($temp_filename) {
-	if(!file_exists('/usr/bin/tar')) {
+    if (!file_exists('/usr/bin/tar')) {
         log_error(gettext("Alias archive is a .tar/tgz file which cannot be decompressed because utility is missing!"));
         return false;
     }
@@ -613,8 +620,9 @@ function process_alias_tgz($temp_filename) {
             log_error(sprintf(gettext('The following file could not be read %s from %s'), $f2p, $temp_filename));
             continue;
         }
-		while (($tmpbuf = fread($tmpfd, 65536)) !== FALSE)
+        while (($tmpbuf = fread($tmpfd, 65536)) !== FALSE) {
             fwrite($fd, $tmpbuf);
+        }
         fclose($tmpfd);
         unlink($f2p);
     }
@@ -639,10 +647,7 @@ function process_alias_urltable($name, $url, $freq, $forceupdate=false) {
     }
 
     // If the file doesn't exist or is older than update_freq days, fetch a new copy.
-	if (!file_exists($urltable_filename)
-		|| ((time() - filemtime($urltable_filename)) > ($freq * 86400 - 90))
-		|| $forceupdate) {
-
+    if (!file_exists($urltable_filename) || ((time() - filemtime($urltable_filename)) > ($freq * 86400 - 90)) || $forceupdate) {
         // Try to fetch the URL supplied
         @unlink("{$urltable_filename}.tmp");
         $verify_ssl = isset($config['system']['checkaliasesurlcert']);
@@ -683,64 +688,54 @@ function xml2array($contents, $get_attributes = 1, $priority = 'tag')
     xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
     xml_parse_into_struct($parser, trim($contents), $xml_values);
     xml_parser_free($parser);
-	if (!$xml_values)
+    if (!$xml_values) {
         return; //Hmm...
+    }
     $xml_array = array ();
     $parents = array ();
     $opened_tags = array ();
     $arr = array ();
     $current = & $xml_array;
     $repeated_tag_index = array ();
-	foreach ($xml_values as $data)
-	{
+    foreach ($xml_values as $data) {
         unset ($attributes, $value);
         extract($data);
         $result = array ();
         $attributes_data = array ();
         if (isset ($value))
         {
-			if ($priority == 'tag')
+            if ($priority == 'tag') {
                 $result = $value;
-			else
+            } else {
                 $result['value'] = $value;
             }
-		if (isset ($attributes) and $get_attributes)
-		{
-			foreach ($attributes as $attr => $val)
-			{
-				if ($priority == 'tag')
+        }
+        if (isset ($attributes) and $get_attributes) {
+            foreach ($attributes as $attr => $val) {
+                if ($priority == 'tag') {
                     $attributes_data[$attr] = $val;
-				else
+                } else {
                     $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
                 }
             }
-		if ($type == "open")
-		{
+        }
+        if ($type == "open") {
             $parent[$level -1] = & $current;
-			if (!is_array($current) or (!in_array($tag, array_keys($current))))
-			{
+            if (!is_array($current) || (!in_array($tag, array_keys($current)))) {
                 $current[$tag] = $result;
-				if ($attributes_data)
+                if ($attributes_data) {
                     $current[$tag . '_attr'] = $attributes_data;
+                }
                 $repeated_tag_index[$tag . '_' . $level] = 1;
                 $current = & $current[$tag];
-			}
-			else
-			{
-				if (isset ($current[$tag][0]))
-				{
+            } else {
+                if (isset ($current[$tag][0])) {
                     $current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
                     $repeated_tag_index[$tag . '_' . $level]++;
-				}
-				else
-				{
-					$current[$tag] = array (
-						$current[$tag],
-						$result
-						);
+                } else {
+                    $current[$tag] = array ($current[$tag], $result );
                     $repeated_tag_index[$tag . '_' . $level] = 2;
-					if (isset ($current[$tag . '_attr']))
-					{
+                    if (isset ($current[$tag . '_attr'])) {
                         $current[$tag]['0_attr'] = $current[$tag . '_attr'];
                         unset ($current[$tag . '_attr']);
                     }
@@ -748,52 +743,36 @@ function xml2array($contents, $get_attributes = 1, $priority = 'tag')
                 $last_item_index = $repeated_tag_index[$tag . '_' . $level] - 1;
                 $current = & $current[$tag][$last_item_index];
             }
-		}
-		elseif ($type == "complete")
-		{
-			if (!isset ($current[$tag]))
-			{
+        } elseif ($type == "complete") {
+            if (!isset ($current[$tag])) {
                 $current[$tag] = $result;
                 $repeated_tag_index[$tag . '_' . $level] = 1;
-				if ($priority == 'tag' and $attributes_data)
+                if ($priority == 'tag' and $attributes_data) {
                     $current[$tag . '_attr'] = $attributes_data;
                 }
-			else
-			{
-				if (isset ($current[$tag][0]) and is_array($current[$tag]))
-				{
+            } else {
+                if (isset ($current[$tag][0]) and is_array($current[$tag])) {
                     $current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
-					if ($priority == 'tag' and $get_attributes and $attributes_data)
-					{
+                    if ($priority == 'tag' and $get_attributes and $attributes_data) {
                         $current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
                     }
                     $repeated_tag_index[$tag . '_' . $level]++;
-				}
-				else
-				{
-					$current[$tag] = array (
-						$current[$tag],
-						$result
-						);
+                } else {
+                    $current[$tag] = array ($current[$tag], $result );
                     $repeated_tag_index[$tag . '_' . $level] = 1;
-					if ($priority == 'tag' and $get_attributes)
-					{
-						if (isset ($current[$tag . '_attr']))
-						{
+                    if ($priority == 'tag' and $get_attributes) {
+                        if (isset ($current[$tag . '_attr'])) {
                             $current[$tag]['0_attr'] = $current[$tag . '_attr'];
                             unset ($current[$tag . '_attr']);
                         }
-						if ($attributes_data)
-						{
+                        if ($attributes_data) {
                             $current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
                         }
                     }
                     $repeated_tag_index[$tag . '_' . $level]++; //0 and 1 index is already taken
                 }
             }
-		}
-		elseif ($type == 'close')
-		{
+        } elseif ($type == 'close') {
             $current = & $parent[$level -1];
         }
     }
@@ -806,26 +785,27 @@ function filter_rules_sort() {
     global $config;
 
     /* mark each rule with the sequence number (to retain the order while sorting) */
-	for ($i = 0; isset($config['filter']['rule'][$i]); $i++)
+    for ($i = 0; isset($config['filter']['rule'][$i]); $i++) {
         $config['filter']['rule'][$i]['seq'] = $i;
-
+    }
     usort($config['filter']['rule'], "filter_rules_compare");
-
     /* strip the sequence numbers again */
-	for ($i = 0; isset($config['filter']['rule'][$i]); $i++)
+    for ($i = 0; isset($config['filter']['rule'][$i]); $i++) {
         unset($config['filter']['rule'][$i]['seq']);
+    }
 }
 function filter_rules_compare($a, $b) {
-	if (isset($a['floating']) && isset($b['floating']))
+    if (isset($a['floating']) && isset($b['floating'])) {
         return $a['seq'] - $b['seq'];
-	else if (isset($a['floating']))
+    } elseif (isset($a['floating'])) {
         return -1;
-	else if (isset($b['floating']))
+    } elseif (isset($b['floating'])) {
         return 1;
-	else if ($a['interface'] == $b['interface'])
+    } elseif ($a['interface'] == $b['interface']) {
         return $a['seq'] - $b['seq'];
-	else
+    } else {
         return compare_interface_friendly_names($a['interface'], $b['interface']);
+    }
 }
 
 
@@ -840,8 +820,9 @@ function filter_rules_compare($a, $b) {
 function load_mac_manufacturer_table() {
     /* load MAC-Manufacture data from the file */
     $macs = false;
-	if (file_exists("/usr/local/share/nmap/nmap-mac-prefixes"))
+    if (file_exists("/usr/local/share/nmap/nmap-mac-prefixes")) {
         $macs=file("/usr/local/share/nmap/nmap-mac-prefixes");
+    }
     if ($macs){
         foreach ($macs as $line){
             if (preg_match('/([0-9A-Fa-f]{6}) (.*)$/', $line, $matches)){
@@ -850,8 +831,9 @@ function load_mac_manufacturer_table() {
             }
         }
         return $mac_man;
-	} else
+    } else {
         return -1;
+    }
 
 }
 
@@ -868,12 +850,12 @@ function is_ipaddr_configured($ipaddr, $ignore_if = "", $check_localip = false,
     global $config;
 
     $isipv6 = is_ipaddrv6($ipaddr);
-
     if ($check_subnets) {
         $iflist = get_configured_interface_list();
         foreach ($iflist as $if => $ifname) {
-			if ($ignore_if == $if)
+            if ($ignore_if == $if) {
                 continue;
+            }
 
             if ($isipv6 === true) {
                 $bitmask = get_interface_subnetv6($if);
@@ -883,39 +865,46 @@ function is_ipaddr_configured($ipaddr, $ignore_if = "", $check_localip = false,
                 $subnet = gen_subnet(get_interface_ip($if), $bitmask);
             }
 
-			if (ip_in_subnet($ipaddr, $subnet . '/' . $bitmask))
+            if (ip_in_subnet($ipaddr, $subnet . '/' . $bitmask)) {
                 return true;
             }
+        }
     } else {
-		if ($isipv6 === true)
+        if ($isipv6 === true) {
             $interface_list_ips = get_configured_ipv6_addresses();
-		else
+        } else {
             $interface_list_ips = get_configured_ip_addresses();
-
+        }
         foreach($interface_list_ips as $if => $ilips) {
             /* Also ignore CARP interfaces, it'll be checked below */
-			if ($ignore_if == $if || strstr($ignore_if, "_vip"))
+            if ($ignore_if == $if || strstr($ignore_if, "_vip")) {
                 continue;
-			if (strcasecmp($ipaddr, $ilips) == 0)
+            }
+            if (strcasecmp($ipaddr, $ilips) == 0) {
                 return true;
             }
         }
+    }
 
     $interface_list_vips = get_configured_vips_list(true);
     foreach ($interface_list_vips as $id => $vip) {
-		if ($ignore_if == $vip['if'])
+        if ($ignore_if == $vip['if']) {
             continue;
-		if (strcasecmp($ipaddr, $vip['ipaddr']) == 0)
+        }
+        if (strcasecmp($ipaddr, $vip['ipaddr']) == 0) {
             return true;
         }
+    }
 
     if ($check_localip) {
-		if (is_array($config['pptpd']) && !empty($config['pptpd']['localip']) && (strcasecmp($ipaddr, $config['pptpd']['localip']) == 0))
+        if (is_array($config['pptpd']) && !empty($config['pptpd']['localip']) && (strcasecmp($ipaddr, $config['pptpd']['localip']) == 0)) {
             return true;
+        }
 
-		if (!is_array($config['l2tp']) && !empty($config['l2tp']['localip']) && (strcasecmp($ipaddr, $config['l2tp']['localip']) == 0))
+        if (!is_array($config['l2tp']) && !empty($config['l2tp']['localip']) && (strcasecmp($ipaddr, $config['l2tp']['localip']) == 0)) {
             return true;
         }
+    }
 
     return false;
 }
@@ -932,7 +921,7 @@ function calculate_ipv6_delegation_length($if) {
     if(!isset($config['interfaces'][$if]) || !is_array($config['interfaces'][$if])) {
         return false;
     } elseif (!isset($config['interfaces'][$if]['ipaddrv6'])) {
-		return (0);
+        return 0;
     }
 
     switch($config['interfaces'][$if]['ipaddrv6']) {
@@ -952,5 +941,5 @@ function calculate_ipv6_delegation_length($if) {
             $pdlen = 0;
             break;
     }
-	return($pdlen);
+    return $pdlen;
 }