1999-04-05 21:54:41 +00:00
|
|
|
/* packet-ftp.c
|
|
|
|
* Routines for ftp packet dissection
|
|
|
|
* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
|
|
|
|
*
|
1999-05-13 01:05:11 +00:00
|
|
|
* $Id: packet-ftp.c,v 1.3 1999/05/13 01:05:11 sharpe Exp $
|
1999-04-05 21:54:41 +00:00
|
|
|
*
|
|
|
|
* Ethereal - Network traffic analyzer
|
|
|
|
* By Gerald Combs <gerald@unicom.net>
|
|
|
|
* Copyright 1998 Gerald Combs
|
|
|
|
*
|
|
|
|
* Copied from packet-pop.c
|
|
|
|
*
|
|
|
|
* 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
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
|
|
# include <sys/types.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
|
|
# include <netinet/in.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <string.h>
|
|
|
|
#include <glib.h>
|
|
|
|
#include "packet.h"
|
|
|
|
#include "etypes.h"
|
|
|
|
|
|
|
|
extern packet_info pi;
|
|
|
|
|
|
|
|
void
|
|
|
|
dissect_ftp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
|
|
|
|
{
|
|
|
|
proto_tree *ftp_tree, *ti;
|
|
|
|
gchar rr[50], rd[1500];
|
|
|
|
int i1 = (u_char *)strchr(pd + offset, ' ') - (pd + offset); /* Where is that space */
|
|
|
|
int i2;
|
|
|
|
|
|
|
|
memset(rr, '\0', sizeof(rr));
|
|
|
|
memset(rd, '\0', sizeof(rd));
|
|
|
|
|
|
|
|
if (i1 > 0) {
|
|
|
|
|
|
|
|
/* Hmmm, check if there was no space in there ... */
|
|
|
|
|
|
|
|
if (i1 > max_data) {
|
|
|
|
|
|
|
|
i1 = max_data; /* Make things below work */
|
|
|
|
strncpy(rr, pd + offset, MIN(max_data - 2, sizeof(rr) - 1));
|
|
|
|
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
|
|
|
|
strncpy(rr, pd + offset, MIN(i1, sizeof(rr) - 1));
|
|
|
|
i2 = ((u_char *)strchr(pd + offset + i1 + 1, '\r') - (pd + offset)) - i1 - 1;
|
|
|
|
strncpy(rd, pd + offset + i1 + 1, MIN(i2, sizeof(rd) - 1));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
|
|
|
|
i1 = max_data;
|
|
|
|
strncpy(rr, pd + offset, MIN(max_data - 2, sizeof(rr) - 1)); /* Lazy, CRLF */
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (check_col(fd, COL_PROTOCOL))
|
|
|
|
col_add_str(fd, COL_PROTOCOL, "FTP");
|
|
|
|
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
|
|
|
|
col_add_fstr(fd, COL_INFO, "%s: %s %s", (pi.match_port == pi.destport)? "Request" : "Response", rr, rd);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (tree) {
|
|
|
|
|
|
|
|
ti = proto_tree_add_item(tree, offset, END_OF_FRAME,
|
|
|
|
"File Transfer Protocol");
|
|
|
|
ftp_tree = proto_tree_new();
|
|
|
|
proto_item_add_subtree(ti, ftp_tree, ETT_FTP);
|
|
|
|
|
|
|
|
if (pi.match_port == pi.destport) { /* Request */
|
|
|
|
|
|
|
|
proto_tree_add_item(ftp_tree, offset, i1, "Request: %s", rr);
|
|
|
|
|
|
|
|
proto_tree_add_item(ftp_tree, offset + i1 + 1, END_OF_FRAME, "Request Arg: %s", rd);
|
|
|
|
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
|
|
|
|
proto_tree_add_item(ftp_tree, offset, i1, "Response: %s", rr);
|
|
|
|
|
|
|
|
proto_tree_add_item(ftp_tree, offset + i1 + 1, END_OF_FRAME, "Response Arg: %s", rd);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
dissect_ftpdata(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
|
|
|
|
{
|
|
|
|
proto_tree *ti;
|
|
|
|
|
|
|
|
if (check_col(fd, COL_PROTOCOL))
|
|
|
|
col_add_str(fd, COL_PROTOCOL, "FTP DATA");
|
|
|
|
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
|
|
|
|
col_add_fstr(fd, COL_INFO, "FTP Data ...");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (tree) {
|
|
|
|
|
|
|
|
ti = proto_tree_add_item(tree, offset, END_OF_FRAME,
|
|
|
|
"File Transfer Protocol Data");
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|