![Bill Meier](/assets/img/avatar_default.png)
Change-Id: I6e70c933ae61a97377235d67b2f6a1b3d67dc155 Reviewed-on: https://code.wireshark.org/review/4484 Reviewed-by: Bill Meier <wmeier@newsguy.com>
160 lines
4.2 KiB
C
160 lines
4.2 KiB
C
/* packet-hpext.c
|
|
* Routines for HP extended IEEE 802.2 LLC layer
|
|
* Jochen Friedrich <jochen@scram.de>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* 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 program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#define NEW_PROTO_TREE_API
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib.h>
|
|
#include <epan/packet.h>
|
|
#include <epan/xdlc.h>
|
|
#include <epan/etypes.h>
|
|
#include <epan/llcsaps.h>
|
|
#include "packet-hpext.h"
|
|
|
|
void proto_register_hpext(void);
|
|
void proto_reg_handoff_hpext(void);
|
|
|
|
static dissector_handle_t hpext_handle;
|
|
|
|
static dissector_table_t subdissector_table;
|
|
|
|
static const value_string xsap_vals[] = {
|
|
{ HPEXT_DXSAP, "RBOOT Destination Service Access Point" },
|
|
{ HPEXT_SXSAP, "RBOOT Source Service Access Point" },
|
|
{ HPEXT_HPSW, "HP Switch Protocol" },
|
|
{ HPEXT_SNMP, "SNMP" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
|
|
static header_field_info *hfi_hpext = NULL;
|
|
|
|
#define HPEXT_HFI_INIT HFI_INIT(proto_hpext)
|
|
|
|
static header_field_info hfi_hpext_dxsap HPEXT_HFI_INIT =
|
|
{ "DXSAP", "hpext.dxsap", FT_UINT16, BASE_HEX,
|
|
VALS(xsap_vals), 0x0, NULL, HFILL };
|
|
|
|
static header_field_info hfi_hpext_sxsap HPEXT_HFI_INIT =
|
|
{ "SXSAP", "hpext.sxsap", FT_UINT16, BASE_HEX,
|
|
VALS(xsap_vals), 0x0, NULL, HFILL };
|
|
|
|
static header_field_info hfi_hpext_reserved HPEXT_HFI_INIT =
|
|
{ "Reserved", "hpext.reserved", FT_UINT24, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
static gint ett_hpext = -1;
|
|
|
|
static dissector_handle_t data_handle;
|
|
|
|
static void
|
|
dissect_hpext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *hpext_tree = NULL;
|
|
proto_item *ti = NULL;
|
|
guint16 dxsap, sxsap;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "HPEXT");
|
|
|
|
dxsap = tvb_get_ntohs(tvb, 3);
|
|
sxsap = tvb_get_ntohs(tvb, 5);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, hfi_hpext, tvb, 0, 7, ENC_NA);
|
|
hpext_tree = proto_item_add_subtree(ti, ett_hpext);
|
|
proto_tree_add_item(hpext_tree, &hfi_hpext_reserved, tvb, 0, 3, ENC_NA);
|
|
proto_tree_add_uint(hpext_tree, &hfi_hpext_dxsap, tvb, 3,
|
|
2, dxsap);
|
|
proto_tree_add_uint(hpext_tree, &hfi_hpext_sxsap, tvb, 5,
|
|
2, sxsap);
|
|
}
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
"; HPEXT; DXSAP %s, SXSAP %s",
|
|
val_to_str(dxsap, xsap_vals, "%04x"),
|
|
val_to_str(sxsap, xsap_vals, "%04x"));
|
|
|
|
if (tvb_length_remaining(tvb, 7) > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, 7);
|
|
if (!dissector_try_uint(subdissector_table,
|
|
dxsap, next_tvb, pinfo, tree)) {
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
proto_register_hpext(void)
|
|
{
|
|
#ifndef HAVE_HFI_SECTION_INIT
|
|
static header_field_info *hfi[] = {
|
|
&hfi_hpext_reserved,
|
|
&hfi_hpext_dxsap,
|
|
&hfi_hpext_sxsap,
|
|
};
|
|
#endif
|
|
|
|
static gint *ett[] = {
|
|
&ett_hpext
|
|
};
|
|
|
|
int proto_hpext;
|
|
|
|
proto_hpext = proto_register_protocol(
|
|
"HP Extended Local-Link Control", "HPEXT", "hpext");
|
|
hfi_hpext = proto_registrar_get_nth(proto_hpext);
|
|
|
|
proto_register_fields(proto_hpext, hfi, array_length(hfi));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* subdissector code */
|
|
subdissector_table = register_dissector_table("hpext.dxsap",
|
|
"HPEXT XSAP", FT_UINT16, BASE_HEX);
|
|
|
|
hpext_handle = register_dissector("hpext", dissect_hpext, proto_hpext);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_hpext(void)
|
|
{
|
|
data_handle = find_dissector("data");
|
|
|
|
dissector_add_uint("llc.dsap", SAP_HPEXT, hpext_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|