forked from osmocom/wireshark
![Hannes Mezger](/assets/img/avatar_default.png)
Change-Id: I795fc3a3cf4ca93483f870d229668d7f747bb799 Reviewed-on: https://code.wireshark.org/review/20147 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
237 lines
12 KiB
C
237 lines
12 KiB
C
/******************************************************************************
|
|
** Copyright (C) 2006-2009 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 Transport Layer Decoder.
|
|
**
|
|
** Author: Gerhard Gappmeier <gerhard.gappmeier@ascolab.com>
|
|
******************************************************************************/
|
|
|
|
#include "config.h"
|
|
|
|
#include <epan/packet.h>
|
|
#include "opcua_security_layer.h"
|
|
#include "opcua_application_layer.h"
|
|
#include "opcua_simpletypes.h"
|
|
#include "opcua_transport_layer.h"
|
|
#include "opcua_servicetable.h"
|
|
|
|
static int hf_opcua_transport_type = -1;
|
|
static int hf_opcua_transport_chunk = -1;
|
|
static int hf_opcua_transport_size = -1;
|
|
static int hf_opcua_transport_ver = -1;
|
|
static int hf_opcua_transport_scid = -1;
|
|
static int hf_opcua_transport_rbs = -1;
|
|
static int hf_opcua_transport_sbs = -1;
|
|
static int hf_opcua_transport_mms = -1;
|
|
static int hf_opcua_transport_mcc = -1;
|
|
static int hf_opcua_transport_endpoint = -1;
|
|
static int hf_opcua_transport_error = -1;
|
|
static int hf_opcua_transport_reason = -1;
|
|
static int hf_opcua_transport_spu = -1;
|
|
static int hf_opcua_transport_scert = -1;
|
|
static int hf_opcua_transport_rcthumb = -1;
|
|
static int hf_opcua_transport_seq = -1;
|
|
static int hf_opcua_transport_rqid = -1;
|
|
|
|
/** subtree types */
|
|
extern gint ett_opcua_nodeid;
|
|
extern gint ett_opcua_extensionobject;
|
|
|
|
/** Register transport layer types. */
|
|
void registerTransportLayerTypes(int proto)
|
|
{
|
|
static hf_register_info hf[] =
|
|
{
|
|
/* id full name abbreviation type display strings bitmask blurb HFILL */
|
|
{&hf_opcua_transport_type, {"Message Type", "opcua.transport.type", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_chunk, {"Chunk Type", "opcua.transport.chunk", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_size, {"Message Size", "opcua.transport.size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_ver, {"Version", "opcua.transport.ver", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_scid, {"SecureChannelId", "opcua.transport.scid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_rbs, {"ReceiveBufferSize", "opcua.transport.rbs", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_sbs, {"SendBufferSize", "opcua.transport.sbs", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_mms, {"MaxMessageSize", "opcua.transport.mms", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_mcc, {"MaxChunkCount", "opcua.transport.mcc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_endpoint, {"EndPointUrl", "opcua.transport.endpoint", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_error, {"Error", "opcua.transport.error", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_reason, {"Reason", "opcua.transport.reason", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_spu, {"SecurityPolicyUri", "opcua.security.spu", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_scert, {"SenderCertificate", "opcua.security.scert", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_rcthumb, {"ReceiverCertificateThumbprint", "opcua.security.rcthumb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_seq, {"SequenceNumber", "opcua.security.seq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{&hf_opcua_transport_rqid, {"RequestId", "opcua.security.rqid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
};
|
|
|
|
proto_register_field_array(proto, hf, array_length(hf));
|
|
}
|
|
|
|
/* Transport Layer: message parsers */
|
|
int parseHello(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset)
|
|
{
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_ver, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_rbs, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_sbs, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_mms, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_mcc, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
parseString(tree, tvb, pinfo, pOffset, hf_opcua_transport_endpoint);
|
|
return -1;
|
|
}
|
|
|
|
int parseAcknowledge(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset)
|
|
{
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_ver, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_rbs, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_sbs, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_mms, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_mcc, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
return -1;
|
|
}
|
|
|
|
int parseError(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset)
|
|
{
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
parseStatusCode(tree, tvb, pinfo, pOffset, hf_opcua_transport_error);
|
|
parseString(tree, tvb, pinfo, pOffset, hf_opcua_transport_reason);
|
|
return -1;
|
|
}
|
|
|
|
int parseMessage(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset)
|
|
{
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_scid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
|
|
/* message data contains the security layer */
|
|
parseSecurityLayer(tree, tvb, pOffset);
|
|
|
|
return -1;
|
|
}
|
|
|
|
int parseAbort(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset)
|
|
{
|
|
parseStatusCode(tree, tvb, pinfo, pOffset, hf_opcua_transport_error);
|
|
parseString(tree, tvb, pinfo, pOffset, hf_opcua_transport_reason);
|
|
|
|
return -1;
|
|
}
|
|
|
|
int parseService(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset)
|
|
{
|
|
proto_item *ti;
|
|
proto_item *ti_inner;
|
|
proto_tree *encobj_tree;
|
|
proto_tree *nodeid_tree;
|
|
int ServiceId = 0;
|
|
|
|
/* AT THE MOMENT NO SECURITY IS IMPLEMENTED IN UA.
|
|
* WE CAN JUST JUMP INTO THE APPLICATION LAYER DATA.
|
|
* THIS WILL CHAHNGE IN THE FUTURE. */
|
|
|
|
/* add encodeable object subtree */
|
|
encobj_tree = proto_tree_add_subtree(tree, tvb, *pOffset, -1, ett_opcua_extensionobject, &ti, "OpcUa Service : Encodeable Object");
|
|
|
|
/* add nodeid subtree */
|
|
nodeid_tree = proto_tree_add_subtree(encobj_tree, tvb, *pOffset, -1, ett_opcua_nodeid, &ti_inner, "TypeId : ExpandedNodeId");
|
|
ServiceId = parseServiceNodeId(nodeid_tree, tvb, pOffset);
|
|
proto_item_set_end(ti_inner, tvb, *pOffset);
|
|
|
|
dispatchService(encobj_tree, tvb, pinfo, pOffset, ServiceId);
|
|
|
|
proto_item_set_end(ti, tvb, *pOffset);
|
|
return ServiceId;
|
|
}
|
|
|
|
int parseOpenSecureChannel(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset)
|
|
{
|
|
proto_item *ti;
|
|
proto_item *ti_inner;
|
|
proto_tree *encobj_tree;
|
|
proto_tree *nodeid_tree;
|
|
int ServiceId = 0;
|
|
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_scid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
parseString(tree, tvb, pinfo, pOffset, hf_opcua_transport_spu);
|
|
parseByteString(tree, tvb, pinfo, pOffset, hf_opcua_transport_scert);
|
|
parseByteString(tree, tvb, pinfo, pOffset, hf_opcua_transport_rcthumb);
|
|
proto_tree_add_item(tree, hf_opcua_transport_seq, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_rqid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
|
|
/* add encodeable object subtree */
|
|
encobj_tree = proto_tree_add_subtree(tree, tvb, *pOffset, -1, ett_opcua_extensionobject, &ti, "Message : Encodeable Object");
|
|
|
|
/* add nodeid subtree */
|
|
nodeid_tree = proto_tree_add_subtree(encobj_tree, tvb, *pOffset, -1, ett_opcua_nodeid, &ti_inner, "TypeId : ExpandedNodeId");
|
|
ServiceId = parseServiceNodeId(nodeid_tree, tvb, pOffset);
|
|
proto_item_set_end(ti_inner, tvb, *pOffset);
|
|
|
|
dispatchService(encobj_tree, tvb, pinfo, pOffset, ServiceId);
|
|
|
|
proto_item_set_end(ti, tvb, *pOffset);
|
|
return ServiceId;
|
|
}
|
|
|
|
int parseCloseSecureChannel(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset)
|
|
{
|
|
proto_item *ti;
|
|
proto_item *ti_inner;
|
|
proto_tree *encobj_tree;
|
|
proto_tree *nodeid_tree;
|
|
int ServiceId = 0;
|
|
|
|
proto_tree_add_item(tree, hf_opcua_transport_type, tvb, *pOffset, 3, ENC_ASCII|ENC_NA); *pOffset+=3;
|
|
proto_tree_add_item(tree, hf_opcua_transport_chunk, tvb, *pOffset, 1, ENC_ASCII|ENC_NA); *pOffset+=1;
|
|
proto_tree_add_item(tree, hf_opcua_transport_size, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
proto_tree_add_item(tree, hf_opcua_transport_scid, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4;
|
|
|
|
parseSecurityLayer(tree, tvb, pOffset);
|
|
|
|
/* add encodeable object subtree */
|
|
encobj_tree = proto_tree_add_subtree(tree, tvb, *pOffset, -1, ett_opcua_extensionobject, &ti, "Message : Encodeable Object");
|
|
|
|
/* add nodeid subtree */
|
|
nodeid_tree = proto_tree_add_subtree(encobj_tree, tvb, *pOffset, -1, ett_opcua_nodeid, &ti_inner, "TypeId : ExpandedNodeId");
|
|
ServiceId = parseServiceNodeId(nodeid_tree, tvb, pOffset);
|
|
proto_item_set_end(ti_inner, tvb, *pOffset);
|
|
|
|
dispatchService(encobj_tree, tvb, pinfo, pOffset, ServiceId);
|
|
|
|
proto_item_set_end(ti, tvb, *pOffset);
|
|
return ServiceId;
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|