forked from osmocom/wireshark
88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
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/* packet-ascend.c
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* Routines for decoding Lucent/Ascend packet traces
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*
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* $Id: packet-ascend.c,v 1.1 1999/09/11 05:32:33 gerald Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <glib.h>
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#include "packet.h"
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#include "wiretap/ascend.h"
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void
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dissect_ascend( const u_char *pd, frame_data *fd, proto_tree *tree ) {
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proto_tree *fh_tree;
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proto_item *ti;
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ascend_pkthdr header;
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static const value_string encaps_vals[] = {
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{ASCEND_PFX_ETHER, "Ethernet" },
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{ASCEND_PFX_PPP_X, "PPP Transmit"},
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{ASCEND_PFX_PPP_R, "PPP Receive" },
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{0, NULL } };
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memcpy(&header, pd, ASCEND_PKTHDR_OFFSET);
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/* load the top pane info. This should be overwritten by
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the next protocol in the stack */
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if(check_col(fd, COL_RES_DL_SRC))
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col_add_str(fd, COL_RES_DL_SRC, "N/A" );
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if(check_col(fd, COL_RES_DL_DST))
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col_add_str(fd, COL_RES_DL_DST, "N/A" );
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if(check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "N/A" );
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if(check_col(fd, COL_INFO))
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col_add_str(fd, COL_INFO, "Lucent/Ascend packet trace" );
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/* populate a tree in the second pane with the status of the link
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layer (ie none) */
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if(tree) {
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ti = proto_tree_add_text(tree, 0, 0, "Lucent/Ascend packet trace" );
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fh_tree = proto_item_add_subtree(ti, ETT_RAW);
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proto_tree_add_text(fh_tree, 0, 0, "Link type: %s", val_to_str(header.type,
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encaps_vals, "Unknown (%d)"));
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proto_tree_add_text(fh_tree, 0, 0, "Username: %s", header.user);
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proto_tree_add_text(fh_tree, 0, 0, "Session: %d", header.sess);
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proto_tree_add_text(fh_tree, 0, 0, "Task: %08X", header.task);
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}
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/* The header is metadata, so we copy the packet data to the front */
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/* XXX Maybe we should leave it in, and mark it as metadata, so that
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it can be filtered upon? */
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memmove(pd, pd + ASCEND_PKTHDR_OFFSET, fd->cap_len);
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switch (header.type) {
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case ASCEND_PFX_ETHER:
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dissect_eth(pd, 0, fd, tree);
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break;
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case ASCEND_PFX_PPP_X:
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case ASCEND_PFX_PPP_R:
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dissect_ppp(pd, fd, tree);
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break;
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}
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}
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