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/* packet-dcerpc-tapi.c
* Routines for DCERPC TAPI packet disassembly
* Copyright 2002, Ronnie Sahlberg
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* The IDL file for this interface can be extracted by grepping for idl
* in capitals.
*/
#include "config.h"
#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcerpc-nt.h"
#include "packet-dcerpc-tapi.h"
#include "packet-windows-common.h"
void proto_register_dcerpc_tapi(void);
void proto_reg_handoff_dcerpc_tapi(void);
static int proto_dcerpc_tapi;
static int hf_tapi_opnum;
static int hf_tapi_rc;
static int hf_tapi_hnd;
static int hf_tapi_unknown_long;
static int hf_tapi_unknown_string;
static int hf_tapi_unknown_bytes;
static int ett_dcerpc_tapi;
/*
IDL [ uuid(2f5f6520-ca46-1067-b319-00dd010662da),
IDL version(1.0),
IDL implicit_handle(handle_t rpc_binding)
IDL ] interface tapi
IDL {
*/
static e_guid_t uuid_dcerpc_tapi = {
0x2f5f6520, 0xca46, 0x1067,
{ 0xb3, 0x19, 0x00, 0xdd, 0x01, 0x06, 0x62, 0xda }
};
static uint16_t ver_dcerpc_tapi = 1;
/*
IDL long ClientAttach(
IDL [out] [context_handle] void *element_1,
IDL [in] long element_2,
IDL [out] long element_3,
IDL [in] [string] [ref] wchar_t *element_4,
IDL [in] [string] [ref] wchar_t *element_5
IDL );
*/
static int
dissect_tapi_client_attach_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
dcerpc_info *di, uint8_t *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep,
hf_tapi_unknown_long, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, di, drep,
NDR_POINTER_REF, "unknown string",
hf_tapi_unknown_string, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, di, drep,
NDR_POINTER_REF, "unknown string",
hf_tapi_unknown_string, 0);
return offset;
}
static int
dissect_tapi_client_attach_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
dcerpc_info *di, uint8_t *drep)
{
offset = dissect_ndr_ctx_hnd(tvb, offset, pinfo, tree, di, drep,
hf_tapi_hnd, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep,
hf_tapi_unknown_long, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep,
hf_tapi_rc, NULL);
return offset;
}
/*
IDL long ClientRequest(
IDL [in] [context_handle] void *element_6,
IDL [in,out] [size_is(element_8)] [length_is(???)] char element_7[*],
IDL [in] long element_8
IDL );
*/
static int
dissect_tapi_TYPE_1(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
dcerpc_info *di, uint8_t *drep)
{
if(di->conformant_run){
/* this call is to make wireshark eat the array header for the conformant run */
offset =dissect_ndr_ucvarray(tvb, offset, pinfo, tree, di, drep, NULL);
return offset;
}
proto_tree_add_item(tree, hf_tapi_unknown_bytes, tvb, offset,
di->array_actual_count, ENC_NA);
offset += di->array_actual_count;
return offset;
}
static int
dissect_tapi_client_request_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
dcerpc_info *di, uint8_t *drep)
{
offset = dissect_ndr_ctx_hnd(tvb, offset, pinfo, tree, di, drep,
hf_tapi_hnd, NULL);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, di, drep,
dissect_tapi_TYPE_1, NDR_POINTER_REF,
"unknown array", -1);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep,
hf_tapi_unknown_long, NULL);
return offset;
}
static int
dissect_tapi_client_request_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
dcerpc_info *di, uint8_t *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep,
hf_tapi_rc, NULL);
return offset;
}
/*
IDL void ClientDetach(
IDL void
IDL );
*/
static int
dissect_tapi_client_detach_rqst(tvbuff_t *tvb _U_, int offset,
packet_info *pinfo _U_, proto_tree *tree _U_,
dcerpc_info *di _U_, uint8_t *drep _U_)
{
return offset;
}
static int
dissect_tapi_client_detach_reply(tvbuff_t *tvb _U_, int offset,
packet_info *pinfo _U_, proto_tree *tree _U_,
dcerpc_info *di _U_, uint8_t *drep _U_)
{
return offset;
}
/*
IDL }
*/
static const dcerpc_sub_dissector dcerpc_tapi_dissectors[] = {
{ TAPI_CLIENT_ATTACH, "ClientAttach",
dissect_tapi_client_attach_rqst,
dissect_tapi_client_attach_reply },
{ TAPI_CLIENT_REQUEST, "ClientRequest",
dissect_tapi_client_request_rqst,
dissect_tapi_client_request_reply },
{ TAPI_CLIENT_DETACH, "ClientDetach",
dissect_tapi_client_detach_rqst,
dissect_tapi_client_detach_reply },
{0, NULL, NULL, NULL }
};
void
proto_register_dcerpc_tapi(void)
{
static hf_register_info hf[] = {
{ &hf_tapi_opnum, {
"Operation", "tapi.opnum", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_tapi_rc, {
"Return code", "tapi.rc", FT_UINT32, BASE_HEX | BASE_EXT_STRING,
&NT_errors_ext, 0x0, "TAPI return code", HFILL }},
{ &hf_tapi_hnd, {
"Context Handle", "tapi.hnd", FT_BYTES, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_tapi_unknown_long, {
"Unknown long", "tapi.unknown.long", FT_UINT32, BASE_HEX,
NULL, 0x0, "Unknown long. If you know what this is, contact wireshark developers.", HFILL }},
{ &hf_tapi_unknown_string, {
"Unknown string", "tapi.unknown.string", FT_STRING, BASE_NONE,
NULL, 0x0, "Unknown string. If you know what this is, contact wireshark developers.", HFILL }},
{ &hf_tapi_unknown_bytes, {
"Unknown bytes", "tapi.unknown.bytes", FT_BYTES, BASE_NONE,
NULL, 0x0, "Unknown bytes. If you know what this is, contact wireshark developers.", HFILL }}
};
static int *ett[] = {
&ett_dcerpc_tapi
};
proto_dcerpc_tapi = proto_register_protocol("Microsoft Telephony API Service", "TAPI", "tapi");
proto_register_field_array(proto_dcerpc_tapi, hf,
array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_dcerpc_tapi(void)
{
/* Register protocol as dcerpc */
dcerpc_init_uuid(proto_dcerpc_tapi, ett_dcerpc_tapi,
&uuid_dcerpc_tapi, ver_dcerpc_tapi,
dcerpc_tapi_dissectors, hf_tapi_opnum);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* ex: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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