![Guy Harris](/assets/img/avatar_default.png)
"{old_}heur_dissector_add()", "{old_}conv_dissector_add()", and "register_dissector()", so that an entry in those tables has associated with it the protocol index of the protocol the dissector handles (or -1, if there is no protocol index for it). This is for future use in a number of places. (Arguably, "proto_register_protocol()" should take a dissector pointer as an argument, but 1) it'd have to handle both regular and heuristic dissectors; 2) making it take either a "dissector_t" or a union of that and a "heur_dissector_t" introduces some painful header-file interdependencies so I'm punting on that for now. As with other Ethereal internal APIs, these APIs are subject to change in the future, at least until Ethereal 1.0 comes out....) svn path=/trunk/; revision=2849
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/* packet-clip.c
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* Routines for clip packet disassembly
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*
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* $Id: packet-clip.c,v 1.14 2001/01/09 06:31:34 guy 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 file created by Thierry Andry <Thierry.Andry@advalvas.be>
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* from nearly-the-same packet-raw.c created by Mike Hall <mlh@io.com>
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* Copyright 1999
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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 "packet-clip.h"
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#include "packet-ip.h"
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static gint ett_clip = -1;
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static dissector_handle_t ip_handle;
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void
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capture_clip( const u_char *pd, packet_counts *ld ) {
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capture_ip(pd, 0, ld);
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}
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static void
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dissect_clip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *fh_tree;
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proto_item *ti;
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pinfo->current_proto = "CLIP";
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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(pinfo->fd, COL_RES_DL_SRC))
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col_set_str(pinfo->fd, COL_RES_DL_SRC, "N/A" );
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if(check_col(pinfo->fd, COL_RES_DL_DST))
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col_set_str(pinfo->fd, COL_RES_DL_DST, "N/A" );
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if(check_col(pinfo->fd, COL_PROTOCOL))
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col_set_str(pinfo->fd, COL_PROTOCOL, "CLIP" );
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if(check_col(pinfo->fd, COL_INFO))
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col_set_str(pinfo->fd, COL_INFO, "Classical IP frame" );
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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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XXX - the ATM on Linux code includes a patch to "tcpdump"
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that compares the first few bytes of the packet with the
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LLC header that Classical IP frames may have and, if there's
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a SNAP LLC header at the beginning of the packet, it gets
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the packet type from that header and uses that, otherwise
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it treats the packet as being raw IP with no link-level
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header. */
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if(tree) {
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ti = proto_tree_add_text(tree, tvb, 0, 0, "Classical IP frame" );
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fh_tree = proto_item_add_subtree(ti, ett_clip);
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proto_tree_add_text(fh_tree, tvb, 0, 0, "No link information available");
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}
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call_dissector(ip_handle, tvb, pinfo, tree);
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}
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void
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proto_register_clip(void)
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{
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static gint *ett[] = {
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&ett_clip,
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};
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_clip(void)
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{
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/*
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* Get a handle for the IP dissector.
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*/
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ip_handle = find_dissector("ip");
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dissector_add("wtap_encap", WTAP_ENCAP_LINUX_ATM_CLIP, dissect_clip,
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-1); /* XXX */
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}
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