forked from osmocom/wireshark
134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/* packet-rsh.c
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* Routines for rsh packet disassembly
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*
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* Robert Tsai <rtsai@netapp.com>
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* Liberally copied from packet-http.c, by Guy Harris <guy@alum.mit.edu>
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*
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* $Id: packet-rsh.c,v 1.4 2000/09/11 16:16:02 gram 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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* Copyright 1998 Gerald Combs
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*
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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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*
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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 "strutil.h"
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static int proto_rsh = -1;
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static int hf_rsh_response = -1;
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static int hf_rsh_request = -1;
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static gint ett_rsh = -1;
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#define TCP_PORT_RSH 514
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void
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dissect_rsh(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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{
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proto_item *ti;
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proto_tree *rsh_tree;
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const u_char *data, *dataend;
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const u_char *lineend, *eol;
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int linelen;
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OLD_CHECK_DISPLAY_AS_DATA(proto_rsh, pd, offset, fd, tree);
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data = &pd[offset];
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dataend = data + END_OF_FRAME;
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "RSH");
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if (check_col(fd, COL_INFO)) {
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/* Put the first line from the buffer into the summary. */
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lineend = find_line_end(data, dataend, &eol);
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linelen = lineend - data;
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col_add_str(fd, COL_INFO, format_text(data, linelen));
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}
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if (tree) {
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ti = proto_tree_add_item(tree, proto_rsh, NullTVB, offset,
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END_OF_FRAME, FALSE);
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rsh_tree = proto_item_add_subtree(ti, ett_rsh);
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while (data < dataend) {
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/*
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* Find the end of the line.
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*/
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lineend = find_line_end(data, dataend, &eol);
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linelen = lineend - data;
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/*
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* Put this line.
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*/
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proto_tree_add_text(rsh_tree, NullTVB, offset,
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linelen, "%s", format_text(data, linelen));
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offset += linelen;
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data = lineend;
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}
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if (pi.match_port == pi.destport)
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proto_tree_add_boolean_hidden(rsh_tree,
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hf_rsh_request, NullTVB, 0, 0, 1);
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else
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proto_tree_add_boolean_hidden(rsh_tree,
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hf_rsh_response, NullTVB, 0, 0, 1);
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if (data < dataend)
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old_dissect_data(&pd[offset], offset, fd, rsh_tree);
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}
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}
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void
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proto_register_rsh(void)
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{
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static hf_register_info hf[] = {
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{ &hf_rsh_response,
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{ "Response", "rsh.response",
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FT_BOOLEAN, BASE_NONE, NULL, 0x0,
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"TRUE if rsh response" }},
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{ &hf_rsh_request,
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{ "Request", "rsh.request",
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FT_BOOLEAN, BASE_NONE, NULL, 0x0,
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"TRUE if rsh request" }},
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};
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static gint *ett[] = {
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&ett_rsh,
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};
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proto_rsh = proto_register_protocol("Remote Shell", "rsh");
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proto_register_field_array(proto_rsh, hf, array_length(hf));
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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_rsh(void)
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{
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old_dissector_add("tcp.port", TCP_PORT_RSH, dissect_rsh);
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}
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