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/* packet-ascend.c
* Routines for decoding Lucent/Ascend packet traces
*
* $Id: packet-ascend.c,v 1.6 1999/10/16 08:54:25 deniel Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
*
* 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
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <glib.h>
#include <string.h>
#include "packet.h"
static int proto_ascend = -1;
static int hf_session_id = -1;
static int hf_chunk = -1;
static int hf_task = -1;
static int hf_user_name = -1;
static const value_string encaps_vals[] = {
{ASCEND_PFX_WDS_X, "PPP Transmit"},
{ASCEND_PFX_WDS_R, "PPP Receive" },
{ASCEND_PFX_WDD, "Ethernet" },
{0, NULL } };
void
dissect_ascend( const u_char *pd, frame_data *fd, proto_tree *tree ) {
proto_tree *fh_tree;
proto_item *ti;
/* load the top pane info. This should be overwritten by
the next protocol in the stack */
if(check_col(fd, COL_RES_DL_SRC))
col_add_str(fd, COL_RES_DL_SRC, "N/A" );
if(check_col(fd, COL_RES_DL_DST))
col_add_str(fd, COL_RES_DL_DST, "N/A" );
if(check_col(fd, COL_PROTOCOL))
col_add_str(fd, COL_PROTOCOL, "N/A" );
if(check_col(fd, COL_INFO))
col_add_str(fd, COL_INFO, "Lucent/Ascend packet trace" );
/* populate a tree in the second pane with the status of the link
layer (ie none) */
if(tree) {
ti = proto_tree_add_text(tree, 0, 0, "Lucent/Ascend packet trace" );
fh_tree = proto_item_add_subtree(ti, ETT_RAW);
/* XXX - should these be added with "proto_tree_add_item_format()"
(see "dissect_packet()" for an example of how to add items
that aren't in the packet data in that fashion) so that we
can filter on them? */
proto_tree_add_text(fh_tree, 0, 0, "Link type: %s",
val_to_str(fd->pseudo_header.ascend.type, encaps_vals, "Unknown (%d)"));
if (fd->pseudo_header.ascend.type == ASCEND_PFX_WDD) {
proto_tree_add_text(fh_tree, 0, 0, "Called number: %s",
fd->pseudo_header.ascend.call_num);
proto_tree_add_item(fh_tree, hf_chunk, 0, 0,
fd->pseudo_header.ascend.chunk);
proto_tree_add_item_hidden(fh_tree, hf_session_id, 0, 0, 0);
} else { /* It's wandsession data */
proto_tree_add_item_format(fh_tree, hf_user_name, 0, 0,
"Username: %s",
fd->pseudo_header.ascend.user);
proto_tree_add_item(fh_tree, hf_session_id, 0, 0,
fd->pseudo_header.ascend.sess);
proto_tree_add_item_hidden(fh_tree, hf_chunk, 0, 0, 0);
}
proto_tree_add_item(fh_tree, hf_task, 0, 0, fd->pseudo_header.ascend.task);
}
switch (fd->pseudo_header.ascend.type) {
case ASCEND_PFX_WDS_X:
case ASCEND_PFX_WDS_R:
dissect_ppp(pd, fd, tree);
break;
case ASCEND_PFX_WDD:
dissect_eth(pd, 0, fd, tree);
break;
default:
break;
}
}
void
proto_register_ascend(void)
{
static hf_register_info hf[] = {
{ &hf_session_id,
{ "Session ID", "ascend.sess", FT_UINT32, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_chunk,
{ "WDD Chunk", "ascend.chunk", FT_UINT32, BASE_HEX, NULL, 0x0,
"" }},
{ &hf_task,
{ "Task", "ascend.task", FT_UINT32, BASE_HEX, NULL, 0x0,
"" }},
{ &hf_user_name,
{ "User name", "ascend.user", FT_STRING, BASE_NONE, NULL, 0x0,
"" }},
};
proto_ascend = proto_register_protocol("Lucent/Ascend debug output", "ascend");
proto_register_field_array(proto_ascend, hf, array_length(hf));
}
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