1 files changed, 63 insertions, 0 deletions
diff --git a/plugins/epan/opcua/opcua_security_layer.c b/plugins/epan/opcua/opcua_security_layer.c
new file mode 100644
index 0000000000..2acd8f85ff
--- /dev/null
+++ b/plugins/epan/opcua/opcua_security_layer.c
@@ -0,0 +1,63 @@
+/******************************************************************************
+** 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>
+******************************************************************************/
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include "opcua_security_layer.h"
+
+static int hf_opcua_security_tokenid = -1;
+static int hf_opcua_security_seq = -1;
+static int hf_opcua_security_rqid = -1;
+
+/** Register security layer types. */
+void registerSecurityLayerTypes(int proto)
+{
+    static hf_register_info hf[] =
+    {
+        /* id                           full name                   abbreviation              type       display   strings bitmask blurb HFILL */
+        {&hf_opcua_security_tokenid,   {"Security Token Id",        "opcua.security.tokenid", FT_UINT32, BASE_DEC, NULL,   0x0,    NULL, HFILL}},
+        {&hf_opcua_security_seq,       {"Security Sequence Number", "opcua.security.seq",     FT_UINT32, BASE_DEC, NULL,   0x0,    NULL, HFILL}},
+        {&hf_opcua_security_rqid,      {"Security RequestId",       "opcua.security.rqid",    FT_UINT32, BASE_DEC, NULL,   0x0,    NULL, HFILL}}
+    };
+    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)
+{
+    proto_tree_add_item(tree, hf_opcua_security_tokenid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
+    proto_tree_add_item(tree, hf_opcua_security_seq, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
+    proto_tree_add_item(tree, hf_opcua_security_rqid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */