Make sure users has rights to directory on export.

CASA/gui/ExportSecrets.cs

@@ -93,6 +93,20 @@ namespace Novell.CASA.GUI
 				
 				if (sFileName != null)
 				{
+				
+#if LINUX				
+					// make sure user has 'Write' rights to this directory									
+					string sDir = sFileName.Substring(0, sFileName.LastIndexOf("/"));
+					int rcode = Mono.Unix.Native.Syscall.access(sDir, 
+														Mono.Unix.Native.AccessModes.R_OK |
+														Mono.Unix.Native.AccessModes.W_OK );
+					if (rcode != 0)
+					{
+						CommonGUI.DisplayMessage(Gtk.MessageType.Error,	"You do not have rights to export your files here.\r\n"+sDir);												
+						return;
+					}								
+#endif								
+				
 					//Store off this location for next export
 					
 					int iLastSlash = sFileName.LastIndexOf("/");