from Gerhard Gappmeier:

renamed prefix ua_ -> opcua_
remove unused code

svn path=/trunk/; revision=21784

1 files changed, 99 insertions, 0 deletions

diff --git a/plugins/opcua/opcua_security_layer.c b/plugins/opcua/opcua_security_layer.c
new file mode 100644
index 0000000000..61d97e5c40
--- /dev/null
+++ b/plugins/opcua/opcua_security_layer.c
@@ -0,0 +1,99 @@
+/******************************************************************************
+** $Id$
+**
+** Copyright (C) 2006-2007 ascolab GmbH. All Rights Reserved.
+** Web: http://www.ascolab.com
+** 
+** 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 file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+** 
+** Project: OpcUa Wireshark Plugin
+**
+** Description: OpcUa Security Layer Decoder.
+**
+** Author: Gerhard Gappmeier <gerhard.gappmeier@ascolab.com>
+** Last change by: $Author: gergap $
+**
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gmodule.h>
+#include <epan/packet.h>
+#include "opcua_application_layer.h"
+#include "opcua_simpletypes.h"
+
+/** NodeClass enum table */
+static const value_string g_SecSigTable[] = {
+  { 0, "GetSecurityPolcies" },
+  { 1, "OpenSecureChannel" },
+  { 2, "CloseSecureChannel" },
+  { 3, "Message" },
+  { 0, NULL }
+};
+static int hf_opcua_SecuritySigEnum = -1;
+
+static int hf_opcua_security_sig = -1;
+static int hf_opcua_security_policy = -1;
+static int hf_opcua_security_channel = -1;
+static int hf_opcua_security_token = -1;
+
+static hf_register_info hf[] =
+{
+    { &hf_opcua_security_sig,
+    {  "Security Signature",       "security.sig",     FT_UINT16, BASE_HEX,  VALS(g_SecSigTable), 0x0, "", HFILL }
+    },
+    { &hf_opcua_security_policy,
+    {  "Security Policy",          "security.policy",  FT_STRING, BASE_NONE,  NULL, 0x0,    "",    HFILL }
+    },
+    { &hf_opcua_security_channel,
+    {  "Secure Channel Id",        "security.channel", FT_GUID,   BASE_NONE,  NULL, 0x0,    "",    HFILL }
+    },
+    { &hf_opcua_security_token,
+    {  "Security Token Id",        "security.token",   FT_STRING, BASE_NONE,  NULL, 0x0,    "",    HFILL }
+    }
+};
+
+/** Register security layer types. */
+void registerSecurityLayerTypes(int proto)
+{
+    proto_register_field_array(proto, hf, array_length(hf));
+}
+
+
+/* Security Layer: message parsers
+ * Only works for Security Policy "NoSecurity" at the moment.
+ */
+void parseSecurityLayer(proto_tree *tree, tvbuff_t *tvb, gint *pOffset)
+{
+    guint16 Sig;
+    
+    Sig = tvb_get_letohs(tvb, pOffset[0]);
+    proto_tree_add_item(tree, hf_opcua_security_sig, tvb, *pOffset, 2, TRUE); *pOffset+=2;
+
+    switch (Sig)
+    {
+    case 0: /* GetSecurityPolicies */
+        break;
+    case 1: /* OpenSecureChannel */
+        parseGuid(tree, tvb,   pOffset, hf_opcua_security_channel);
+        parseString(tree, tvb, pOffset, hf_opcua_security_policy);
+        break;
+    case 2: /* CloseSecureChannel */
+        parseGuid(tree, tvb,   pOffset, hf_opcua_security_channel);
+        parseString(tree, tvb, pOffset, hf_opcua_security_token);
+        break;
+    case 3: /* Other Services Messages */
+        parseGuid(tree, tvb,   pOffset, hf_opcua_security_channel);
+        parseString(tree, tvb, pOffset, hf_opcua_security_token);
+        break;
+    }
+}
+