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/* packet-tuxedo.c
* Routines for BEA Tuxedo ATMI protocol
*
* metatech <metatech@flashmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/conversation.h>
void proto_register_tuxedo(void);
void proto_reg_handoff_tuxedo(void);
static int proto_tuxedo = -1;
static int hf_tuxedo_magic = -1;
static int hf_tuxedo_opcode = -1;
static gint ett_tuxedo = -1;
static dissector_handle_t tuxedo_handle;
#define TUXEDO_MAGIC 0x91039858
#define TUXEDO_SMAGIC 0x73903842
#define TUXEDO_ATMI_CALL 1
#define TUXEDO_ATMI_REPLY 2
#define TUXEDO_ATMI_FAILURE 3
#define TUXEDO_ATMI_CONNECT 4
#define TUXEDO_ATMI_DATA 5
#define TUXEDO_ATMI_DISCON 6
#define TUXEDO_ATMI_PREPARE 7
#define TUXEDO_ATMI_READY 8
#define TUXEDO_ATMI_COMMIT 9
#define TUXEDO_ATMI_DONE 10
#define TUXEDO_ATMI_COMPLETE 11
#define TUXEDO_ATMI_ROLLBACK 12
#define TUXEDO_ATMI_HEURISTIC 13
#define TUXEDO_ATMI_PRE_NW_ACALL1 14
#define TUXEDO_ATMI_PRE_NW_ACALL1_RPLY 15
#define TUXEDO_ATMI_PRE_NW_ACALL2 16
#define TUXEDO_ATMI_PRE_NW_ACALL2_RPLY 17
#define TUXEDO_ATMI_PRE_NW_ACALL3 18
#define TUXEDO_ATMI_PRE_NW_ACALL3_RPLY 19
#define TUXEDO_ATMI_PRE_NW_LLE 20
#define TUXEDO_ATMI_PRE_NW_LLE_RPLY 21
#define TUXEDO_ATMI_SEC_EXCHG_RQST 22
#define TUXEDO_ATMI_SEC_EXCHG_RPLY 23
#define TUXEDO_ATMI_SEC_NW_ACALL3 24
#define TUXEDO_ATMI_SEC_NW_ACALL3_RPLY 25
static const value_string tuxedo_opcode_vals[] = {
{ TUXEDO_ATMI_CALL, "CALL" },
{ TUXEDO_ATMI_REPLY, "REPLY" },
{ TUXEDO_ATMI_FAILURE, "FAILURE" },
{ TUXEDO_ATMI_CONNECT, "CONNECT" },
{ TUXEDO_ATMI_DATA, "DATA" },
{ TUXEDO_ATMI_DISCON, "DISCON" },
{ TUXEDO_ATMI_PREPARE, "PREPARE" },
{ TUXEDO_ATMI_READY, "READY" },
{ TUXEDO_ATMI_COMMIT, "COMMIT" },
{ TUXEDO_ATMI_DONE, "DONE" },
{ TUXEDO_ATMI_COMPLETE, "COMPLETE" },
{ TUXEDO_ATMI_ROLLBACK, "ROLLBACK" },
{ TUXEDO_ATMI_HEURISTIC, "HEURISTIC" },
{ TUXEDO_ATMI_PRE_NW_ACALL1, "ACALL1" },
{ TUXEDO_ATMI_PRE_NW_ACALL1_RPLY, "ACALL1_REPLY" },
{ TUXEDO_ATMI_PRE_NW_ACALL2, "ACALL2" },
{ TUXEDO_ATMI_PRE_NW_ACALL2_RPLY, "ACALL2_REPLY" },
{ TUXEDO_ATMI_PRE_NW_ACALL3, "ACALL3" },
{ TUXEDO_ATMI_PRE_NW_ACALL3_RPLY, "ACALL3_REPLY" },
{ TUXEDO_ATMI_PRE_NW_LLE, "LLE" },
{ TUXEDO_ATMI_PRE_NW_LLE_RPLY, "LLE_REPLY" },
{ TUXEDO_ATMI_SEC_EXCHG_RQST, "SEC_EXCHANGE" },
{ TUXEDO_ATMI_SEC_EXCHG_RPLY, "SEC_EXCHANGE_REPLY" },
{ TUXEDO_ATMI_SEC_NW_ACALL3, "SEC_ACALL3" },
{ TUXEDO_ATMI_SEC_NW_ACALL3_RPLY, "SEC_ACALL3_REPLY" },
{ 0, NULL }
};
static int
dissect_tuxedo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *tuxedoroot_tree = NULL;
proto_item *ti;
guint32 magic;
guint32 opcode;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "TUXEDO");
if (tvb_reported_length(tvb) >= 8)
{
magic = tvb_get_ntohl(tvb, 0);
if (magic == TUXEDO_MAGIC || magic == TUXEDO_SMAGIC)
{
opcode = tvb_get_ntohl(tvb, 4);
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(opcode, tuxedo_opcode_vals, "Unknown (0x%02x)"));
if (tree)
{
ti = proto_tree_add_item(tree, proto_tuxedo, tvb, 0, -1, ENC_NA);
tuxedoroot_tree = proto_item_add_subtree(ti, ett_tuxedo);
proto_tree_add_item(tuxedoroot_tree, hf_tuxedo_magic, tvb, 0, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tuxedoroot_tree, hf_tuxedo_opcode, tvb, 4, 4, ENC_BIG_ENDIAN);
}
}
else
{
/* This packet is a continuation */
col_set_str(pinfo->cinfo, COL_INFO, "Continuation");
if (tree)
{
proto_tree_add_item(tree, proto_tuxedo, tvb, 0, -1, ENC_NA);
}
}
}
return tvb_captured_length(tvb);
}
static gboolean
dissect_tuxedo_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
if (tvb_captured_length(tvb) >= 8)
{
guint32 magic;
magic = tvb_get_ntohl(tvb, 0);
if (magic == TUXEDO_MAGIC || magic == TUXEDO_SMAGIC)
{
/* Register this dissector for this conversation */
conversation_t *conversation = NULL;
conversation = find_or_create_conversation(pinfo);
conversation_set_dissector(conversation, tuxedo_handle);
dissect_tuxedo(tvb, pinfo, tree, data);
return TRUE;
}
}
return FALSE;
}
void
proto_register_tuxedo(void)
{
static hf_register_info hf[] = {
{ &hf_tuxedo_magic,
{ "Magic", "tuxedo.magic", FT_UINT32, BASE_HEX, NULL, 0x0, "TUXEDO magic", HFILL }},
{ &hf_tuxedo_opcode,
{ "Opcode", "tuxedo.opcode", FT_UINT32, BASE_HEX, VALS(tuxedo_opcode_vals), 0x0, "TUXEDO opcode", HFILL }}
};
static gint *ett[] = {
&ett_tuxedo,
};
proto_tuxedo = proto_register_protocol("BEA Tuxedo", "TUXEDO", "tuxedo");
proto_register_field_array(proto_tuxedo, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
tuxedo_handle = register_dissector("tuxedo", dissect_tuxedo, proto_tuxedo);
}
void
proto_reg_handoff_tuxedo(void)
{
dissector_add_for_decode_as_with_preference("tcp.port", tuxedo_handle);
heur_dissector_add("tcp", dissect_tuxedo_heur, "Tuxedo over TCP", "tuxedo_tcp", proto_tuxedo, HEURISTIC_ENABLE);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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