[Development] Implement VeNCrypt type support on client side. Currently only
TLSNone and TLSVnc VeNCrypt subtypes are implemented.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4046 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/CSecurityTLS.cxx b/common/rfb/CSecurityTLS.cxx
new file mode 100644
index 0000000..6bd2fa7
--- /dev/null
+++ b/common/rfb/CSecurityTLS.cxx
@@ -0,0 +1,66 @@
+/* 
+ * Copyright (C) 2004 Red Hat Inc.
+ * Copyright (C) 2005 Martin Koegler
+ * Copyright (C) 2010 TigerVNC Team
+ *    
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_GNUTLS
+
+#include <rfb/CSecurityTLS.h>
+
+
+using namespace rfb;
+
+CSecurityTLS::CSecurityTLS() :  anon_cred(0)
+{
+}
+
+CSecurityTLS::~CSecurityTLS()
+{
+  shutdown();
+  if (anon_cred)
+    gnutls_anon_free_client_credentials (anon_cred);
+}
+
+
+void CSecurityTLS::freeResources()
+{
+  if (anon_cred)
+    gnutls_anon_free_client_credentials(anon_cred);
+  anon_cred=0;
+ }
+
+void CSecurityTLS::setParam(gnutls_session session)
+{
+  int kx_priority[] = { GNUTLS_KX_ANON_DH, 0 };
+  gnutls_kx_set_priority(session, kx_priority);
+
+  gnutls_anon_allocate_client_credentials(&anon_cred);
+  gnutls_credentials_set(session, GNUTLS_CRD_ANON, anon_cred);
+}
+
+void CSecurityTLS::checkSession(gnutls_session session)
+{
+
+}
+
+#endif /* HAVE_GNUTLS */