decode_telnet.c

/*
 * decode_telnet.c
 *
 * Telnet.
 *
 * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
 *
 * $Id: decode_telnet.c,v 1.5 2001/03/15 08:33:03 dugsong Exp $
 */

#include "config.h"

#include <sys/types.h>

#include <stdio.h>
#include <string.h>

#include "options.h"
#include "decode.h"

int
decode_telnet(u_char *in_buf, int len, u_char *out_buf, int olen)
{
	char *buf = (char *)in_buf;
	char *obuf = (char *)out_buf;

	if ((len = strip_telopts(in_buf, len)) == 0)
		return (0);

	if (!is_ascii_string(buf, len))
		return (0);
	if (strip_lines(buf, Opt_lines) < 2)
		return (0);
	strlcpy(obuf, buf, olen);
	return (strlen(obuf));
}