143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/* packet-ftp.c
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* Routines for ftp packet dissection
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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* $Id: packet-ftp.c,v 1.4 1999/07/07 22:51:43 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@unicom.net>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-pop.c
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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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#include <stdio.h>
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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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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <string.h>
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#include <glib.h>
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#include "packet.h"
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#include "etypes.h"
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extern packet_info pi;
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void
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dissect_ftp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
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{
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proto_tree *ftp_tree, *ti;
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gchar rr[50], rd[1500];
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int i1 = (u_char *)strchr(pd + offset, ' ') - (pd + offset); /* Where is that space */
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int i2;
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memset(rr, '\0', sizeof(rr));
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memset(rd, '\0', sizeof(rd));
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if (i1 > 0) {
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/* Hmmm, check if there was no space in there ... */
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if (i1 > max_data) {
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i1 = max_data; /* Make things below work */
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strncpy(rr, pd + offset, MIN(max_data - 2, sizeof(rr) - 1));
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}
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else {
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strncpy(rr, pd + offset, MIN(i1, sizeof(rr) - 1));
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i2 = ((u_char *)strchr(pd + offset + i1 + 1, '\r') - (pd + offset)) - i1 - 1;
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strncpy(rd, pd + offset + i1 + 1, MIN(i2, sizeof(rd) - 1));
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}
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}
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else {
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i1 = max_data;
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strncpy(rr, pd + offset, MIN(max_data - 2, sizeof(rr) - 1)); /* Lazy, CRLF */
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}
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "FTP");
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if (check_col(fd, COL_INFO)) {
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col_add_fstr(fd, COL_INFO, "%s: %s %s", (pi.match_port == pi.destport)? "Request" : "Response", rr, rd);
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}
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if (tree) {
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ti = proto_tree_add_text(tree, offset, END_OF_FRAME,
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"File Transfer Protocol");
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ftp_tree = proto_item_add_subtree(ti, ETT_FTP);
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if (pi.match_port == pi.destport) { /* Request */
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proto_tree_add_text(ftp_tree, offset, i1, "Request: %s", rr);
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proto_tree_add_text(ftp_tree, offset + i1 + 1, END_OF_FRAME, "Request Arg: %s", rd);
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}
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else {
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proto_tree_add_text(ftp_tree, offset, i1, "Response: %s", rr);
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proto_tree_add_text(ftp_tree, offset + i1 + 1, END_OF_FRAME, "Response Arg: %s", rd);
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}
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}
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}
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void
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dissect_ftpdata(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
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{
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proto_tree *ti;
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "FTP DATA");
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if (check_col(fd, COL_INFO)) {
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col_add_fstr(fd, COL_INFO, "FTP Data ...");
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}
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if (tree) {
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ti = proto_tree_add_text(tree, offset, END_OF_FRAME,
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"File Transfer Protocol Data");
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}
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}
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