diff -r 000000000000 -r 6f7a81934006 lib/vdomain/validate.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/vdomain/validate.cc	Wed Jan 16 22:39:43 2008 +0100
@@ -0,0 +1,50 @@
+// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include <config.h>
+#include "vdomain.h"
+
+static bool validate_field(mystring str, const char* bad_chars)
+{
+  if(!str)
+    return false;
+  if(str.find_first_of(bad_chars) >= 0)
+    return false;
+  return true;
+}
+
+bool vdomain::validate_username(mystring user) const
+{
+  return validate_field(user, "/:\n\r\t ");
+}
+
+bool vdomain::validate_password(mystring pass) const
+{
+  return validate_field(pass, ":\n\r\t ");
+}
+
+response vdomain::validate_forward(mystring forward)
+{
+  int atchar = forward.find_first('@');
+  if(atchar < 0) {
+    if(!exists(forward))
+      RETURN(err, "User '" + forward + "' does not exist");
+  }
+  else if(forward.find_first('@', atchar+1) >= 0)
+    RETURN(err, "Address '" + forward + "' is invalid: "
+	   "  Address contains more than one at (@) symbol");
+  RETURN(ok, "");
+}