forked from osmocom/wireshark
77fa06b899
dftest.c: Remove #if-0-ed includes packet-ieee80211.c, packet-wtls.c, packet-afp.c, packet-wsp.c, packet-wtp.c, ethereal_gen.py: Remove redundant include varargs (already in snprintf.h, and required only for snprintf.h) Remove unused include of snprintf.h from files not using "snprintf()". svn path=/trunk/; revision=5889
169 lines
4.7 KiB
C
169 lines
4.7 KiB
C
/* packet-dscrsp.c
|
|
* Routines for Dynamic Service Change Response dissection
|
|
* Copyright 2002, Anand V. Narwani <anarwani@cisco.com>
|
|
*
|
|
* Ethereal - Network traffic analyzer
|
|
* By Gerald Combs <gerald@ethereal.com>
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include "plugins/plugin_api.h"
|
|
#include "plugins/plugin_api_defs.h"
|
|
#include "moduleinfo.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
# include <netinet/in.h>
|
|
#endif
|
|
|
|
#include <gmodule.h>
|
|
|
|
#include <epan/packet.h>
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_docsis_dscrsp = -1;
|
|
static int hf_docsis_dscrsp = -1;
|
|
static int hf_docsis_dscrsp_tranid = -1;
|
|
static int hf_docsis_dscrsp_response = -1;
|
|
static dissector_handle_t docsis_tlv_handle;
|
|
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_docsis_dscrsp = -1;
|
|
|
|
extern value_string docsis_conf_code[];
|
|
|
|
/* Code to actually dissect the packets */
|
|
static void
|
|
dissect_dscrsp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
|
|
{
|
|
|
|
proto_item *it;
|
|
proto_tree *dscrsp_tree;
|
|
guint16 transid;
|
|
guint16 tlv_data_len;
|
|
guint8 response;
|
|
tvbuff_t *next_tvb;
|
|
|
|
|
|
transid = tvb_get_ntohs (tvb, 0);
|
|
response = tvb_get_guint8 (tvb, 2);
|
|
tlv_data_len = tvb_length_remaining (tvb, 3);
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_clear (pinfo->cinfo, COL_INFO);
|
|
col_add_fstr (pinfo->cinfo, COL_INFO,
|
|
"Dynamic Service Change Response ID = %u (%s)", transid,
|
|
val_to_str (response, docsis_conf_code, "%s"));
|
|
}
|
|
|
|
if (tree)
|
|
{
|
|
it =
|
|
proto_tree_add_protocol_format (tree, proto_docsis_dscrsp, tvb, 0,
|
|
tvb_length_remaining (tvb, 0),
|
|
"DSC Response");
|
|
dscrsp_tree = proto_item_add_subtree (it, ett_docsis_dscrsp);
|
|
proto_tree_add_item (dscrsp_tree, hf_docsis_dscrsp_tranid, tvb, 0, 2,
|
|
FALSE);
|
|
proto_tree_add_item (dscrsp_tree, hf_docsis_dscrsp_response, tvb, 2, 1,
|
|
FALSE);
|
|
|
|
/* Call Dissector for Appendix C TLV's */
|
|
next_tvb = tvb_new_subset (tvb, 3, tlv_data_len, tlv_data_len);
|
|
call_dissector (docsis_tlv_handle, next_tvb, pinfo, dscrsp_tree);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Register the protocol with Ethereal */
|
|
|
|
/* this format is require because a script is used to build the C function
|
|
that calls all the protocol registration.
|
|
*/
|
|
|
|
|
|
void
|
|
proto_register_docsis_dscrsp (void)
|
|
{
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{&hf_docsis_dscrsp,
|
|
{"Dynamic Service Change Request", "docsis.dscrsp",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Dynamic Service Add Request", HFILL}
|
|
},
|
|
{&hf_docsis_dscrsp_tranid,
|
|
{"Transaction Id", "docsis.dscrsp.tranid",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Service Identifier", HFILL}
|
|
},
|
|
{&hf_docsis_dscrsp_response,
|
|
{"Confirmation Code", "docsis.dscrsp.confcode",
|
|
FT_UINT8, BASE_DEC, VALS (docsis_conf_code), 0x0,
|
|
"Confirmation Code", HFILL}
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_docsis_dscrsp,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_docsis_dscrsp =
|
|
proto_register_protocol ("DOCSIS Dynamic Service Change Response",
|
|
"DOCSIS DSC-RSP", "docsis_dscrsp");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array (proto_docsis_dscrsp, hf, array_length (hf));
|
|
proto_register_subtree_array (ett, array_length (ett));
|
|
|
|
register_dissector ("docsis_dscrsp", dissect_dscrsp, proto_docsis_dscrsp);
|
|
}
|
|
|
|
|
|
/* If this dissector uses sub-dissector registration add a registration routine.
|
|
This format is required because a script is used to find these routines and
|
|
create the code that calls these routines.
|
|
*/
|
|
void
|
|
proto_reg_handoff_docsis_dscrsp (void)
|
|
{
|
|
dissector_handle_t docsis_dscrsp_handle;
|
|
|
|
docsis_dscrsp_handle = find_dissector ("docsis_dscrsp");
|
|
docsis_tlv_handle = find_dissector ("docsis_tlv");
|
|
dissector_add ("docsis_mgmt", 0x13, docsis_dscrsp_handle);
|
|
|
|
}
|