1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if 0 35#ifndef lint 36static const char sccsid[] = "@(#)authenc.c 8.2 (Berkeley) 5/30/95"; 37#endif 38#endif 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD: src/contrib/telnet/telnetd/authenc.c,v 1.8 2003/05/04 02:54:49 obrien Exp $"); 41 42#if defined(AUTHENTICATION) || defined(ENCRYPTION) 43#include "telnetd.h" 44#include <libtelnet/misc.h> 45 46int 47net_write(unsigned char *str, int len) 48{ 49 if (nfrontp + len < netobuf + BUFSIZ) { 50 output_datalen(str, len); 51 return(len); 52 } 53 return(0); 54} 55 56void 57net_encrypt(void) 58{ 59#ifdef ENCRYPTION 60 char *s = (nclearto > nbackp) ? nclearto : nbackp; 61 if (s < nfrontp && encrypt_output) { 62 (*encrypt_output)((unsigned char *)s, nfrontp - s); 63 } 64 nclearto = nfrontp; 65#endif /* ENCRYPTION */ 66} 67 68int 69telnet_spin(void) 70{ 71 ttloop(); 72 return(0); 73} 74 75char * 76telnet_getenv(char *val) 77{ 78 return(getenv(val)); 79} 80 81char * 82telnet_gets(const char *prompt __unused, char *result __unused, int length __unused, int echo __unused) 83{ 84 return(NULL); 85} 86#endif /* ENCRYPTION */ 87#endif /* AUTHENTICATION */ 88