From 5a519f7e667fea73434b3c1433f8c8ba1fe66eae Mon Sep 17 00:00:00 2001
From: Marcello Coutinho <marcellocoutinho@gmail.com>
Date: Wed, 11 Jul 2012 16:42:41 -0300
Subject: squid3 - change Unrestricted IPs and Banned host addresses check to
 allow CIDR networks

---
 config/squid-reverse/squid.inc     | 16 ++++++++++++----
 config/squid-reverse/squid_nac.xml |  4 ++--
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'config/squid-reverse')

diff --git a/config/squid-reverse/squid.inc b/config/squid-reverse/squid.inc
index 51e5892c..e00da80c 100644
--- a/config/squid-reverse/squid.inc
+++ b/config/squid-reverse/squid.inc
@@ -492,10 +492,18 @@ function squid_validate_nac($post, $input_errors) {
 	}
 
 	foreach (array(	'unrestricted_hosts', 'banned_hosts') as $hosts) {
-		foreach (explode("\n", $post[$hosts]) as $host) {
-			$host = trim($host);
-			if (!empty($host) && !is_ipaddr($host))
-				$input_errors[] = "The host '$host' is not a valid IP address";
+		
+		if (preg_match_all("@([0-9.]+)(/[0-9.]+|)@",$_POST[$hosts],$matches)){
+			for ($x=0;$x < count($matches[1]);$x++){
+				if ($matches[2][$x] == ""){
+					if (!is_ipaddr($matches[1][$x]))
+						$input_errors[] = "'{$matches[1][$x]}' is not a valid IP address";
+					}
+				else{
+					if (!is_subnet($matches[0][$x]))
+						$input_errors[] = "The subnet '{$matches[0][$x]}' is not a valid CIDR range";
+					}
+				}
 		}
 	}
 
diff --git a/config/squid-reverse/squid_nac.xml b/config/squid-reverse/squid_nac.xml
index 9371a0ba..bc4a278e 100644
--- a/config/squid-reverse/squid_nac.xml
+++ b/config/squid-reverse/squid_nac.xml
@@ -105,7 +105,7 @@
 		<field>
 			<fielddescr>Unrestricted IPs</fielddescr>
 			<fieldname>unrestricted_hosts</fieldname>
-			<description>Enter each unrestricted IP address on a new line that is not to be filtered out by the other access control directives set in this page.</description>
+			<description>Enter unrestricted IP address / network(in CIDR format) on a new line that is not to be filtered out by the other access control directives set in this page.</description>
 			<type>textarea</type>
 			<cols>50</cols>
 			<rows>5</rows>
@@ -114,7 +114,7 @@
 		<field>
 			<fielddescr>Banned host addresses</fielddescr>
 			<fieldname>banned_hosts</fieldname>
-			<description>Enter each IP address on a new line that is not to be allowed to use the proxy.</description>
+			<description>Enter each IP address / network(in CIDR format) on a new line that is not to be allowed to use the proxy.</description>
 			<type>textarea</type>
 			<cols>50</cols>
 			<rows>5</rows>
-- 
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