Added FTP IPv6 configuration, via the <IPv6 state="enabled|disabled"/> tag. Added the ftp.ipv6 property. MOB-714.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13943 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/file-servers.properties

@@ -9,5 +9,6 @@ cifs.ipv6=disabled
 cifs.hostannounce=true
 
 ftp.enabled=true
+ftp.ipv6=enabled
 
 nfs.enabled=false

config/alfresco/file-servers.xml

@@ -100,6 +100,9 @@
       <port>1121</port>
       -->
 
+	  <!-- IPv6 support -->
+	  <IPv6 state="${ftp.ipv6}"/>
+	  
       <!-- FTP authentication -->
       <!-- Available types are 'alfresco' and 'passthru' -->
       <authenticator type="alfresco"/>

source/java/org/alfresco/filesys/ServerConfigurationBean.java

@@ -1415,6 +1415,17 @@ public class ServerConfigurationBean extends AbstractServerConfigurationBean {
             ftpConfig.setFTPDebug(ftpDbg);
         }
         
+        // Check if IPv6 support should be enabled
+        
+        elem = config.getConfigElement("IPv6");
+        if ( elem != null) {
+        	
+			// Enable IPv6 support
+
+        	if ( elem.hasAttribute("state") && elem.getAttribute("state").equalsIgnoreCase("enabled"))
+        		ftpConfig.setIPv6Enabled( true);
+        }
+        
         // Check if a character set has been specified
         
         elem = config.getConfigElement( "charSet");