From 0e18c7dc33ae8accef6af364534705679886bde6 Mon Sep 17 00:00:00 2001
From: Phil Davis <phil.davis@world.inf.org>
Date: Thu, 15 Mar 2012 10:43:00 +0545
Subject: Include foreach loop in "if (is_array($config['aliases']['alias']))"
 test, otherwise warnings are reported when the array is empty.

---
 config/pf-blocker/pfblocker.inc | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/config/pf-blocker/pfblocker.inc b/config/pf-blocker/pfblocker.inc
index 57d73b57..3358e07f 100755
--- a/config/pf-blocker/pfblocker.inc
+++ b/config/pf-blocker/pfblocker.inc
@@ -368,28 +368,29 @@ function sync_package_pfblocker() {
 			}
 		}
 		#update pfsense alias table
-		if (is_array($config['aliases']['alias']))
+		if (is_array($config['aliases']['alias'])){
 			$aliases=$config['aliases']['alias'];
-		foreach($aliases as $cbalias){
-			if (preg_match("/pfBlocker/",$cbalias['name'])){
-				#mark pfctl aliastable for cleaning
-				if (!in_array($cbalias['name'], $aliases_list)) 
+			foreach($aliases as $cbalias){
+				if (preg_match("/pfBlocker/",$cbalias['name'])){
+					#mark pfctl aliastable for cleaning
+					if (!in_array($cbalias['name'], $aliases_list)) 
 						$aliases_list[]=$cbalias['name']; #mark aliastable for cleaning
-				#remove previous aliastable file if alias is not defined any more
-				if (!in_array($cbalias['name'], $new_aliases_list))
-					unlink_if_exists("/var/db/aliastables/".$cbalias['name'].".txt");
-			}
-			else{
-				$new_aliases[]=	$cbalias;
-				if (file_exists($pfb_alias_dir.'/'.$alias.'.txt') && $message ==""){
-				preg_match("/(\d+)/",exec("/usr/bin/wc -l ".$pfb_alias_dir.'/'.$alias.'.txt'),$matches);
+					#remove previous aliastable file if alias is not defined any more
+					if (!in_array($cbalias['name'], $new_aliases_list))
+						unlink_if_exists("/var/db/aliastables/".$cbalias['name'].".txt");
+				}
+				else{
+					$new_aliases[]=	$cbalias;
+					if (file_exists($pfb_alias_dir.'/'.$alias.'.txt') && $message ==""){
+						preg_match("/(\d+)/",exec("/usr/bin/wc -l ".$pfb_alias_dir.'/'.$alias.'.txt'),$matches);
+					}
+					if (($matches[1] * 2.1)>= $table_limit )
+						#alias table too large
+	    					$message= $alias .' alias table is too large. Reduce networks in list or increase "Firewall Maximum Table Entries" value to at least '. (int)($matches[1] * 2.1) .' in "system - advanced - Firewall/NAT".';
 				}
-				if (($matches[1] * 2.1)>= $table_limit )
-					#alias table too large
-    				$message= $alias .' alias table is too large. Reduce networks in list or increase "Firewall Maximum Table Entries" value to at least '. (int)($matches[1] * 2.1) .' in "system - advanced - Firewall/NAT".';
 			}
 		}
-		#apply new alias table to xml
+#apply new alias table to xml
 		if ($message == "")
 			$config['aliases']['alias']=$new_aliases;
 		#exit;	
-- 
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