1/*	$NetBSD: authenc.c,v 1.11 2003/08/07 09:46:51 agc Exp $	*/
2
3/*-
4 * Copyright (c) 1991, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34#if 0
35static char sccsid[] = "@(#)authenc.c	8.2 (Berkeley) 5/30/95";
36#else
37__RCSID("$NetBSD: authenc.c,v 1.11 2003/08/07 09:46:51 agc Exp $");
38#endif
39#endif /* not lint */
40
41#if	defined(AUTHENTICATION) || defined(ENCRYPTION)
42#include "telnetd.h"
43#include <libtelnet/misc.h>
44
45int
46telnet_net_write(unsigned char *str, int len)
47{
48	if (nfrontp + len < netobuf + BUFSIZ) {
49		output_datalen((const char *)str, len);
50		return(len);
51	}
52	return(0);
53}
54
55void
56net_encrypt(void)
57{
58#ifdef	ENCRYPTION
59	char *s = (nclearto > nbackp) ? nclearto : nbackp;
60	if (s < nfrontp && encrypt_output) {
61		(*encrypt_output)((unsigned char *)s, nfrontp - s);
62	}
63	nclearto = nfrontp;
64#endif	/* ENCRYPTION */
65}
66
67int
68telnet_spin(void)
69{
70	ttloop();
71	return(0);
72}
73
74char *
75telnet_getenv(char *val)
76{
77	return(getenv(val));
78}
79
80char *
81telnet_gets(char *prompt, char *result, int length, int echo)
82{
83	return((char *)0);
84}
85#endif	/* defined(AUTHENTICATION) || defined(ENCRYPTION) */
86