authenc.c revision 79981
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#ifndef lint 35#if 0 36static const char sccsid[] = "@(#)authenc.c 8.2 (Berkeley) 5/30/95"; 37#endif 38static const char rcsid[] = 39 "$FreeBSD: head/contrib/telnet/telnetd/authenc.c 79981 2001-07-19 17:48:57Z ru $"; 40#endif /* not lint */ 41 42#if defined(AUTHENTICATION) || defined(ENCRYPTION) 43#include "telnetd.h" 44#include <libtelnet/misc.h> 45 46 int 47net_write(str, len) 48 unsigned char *str; 49 int len; 50{ 51 if (nfrontp + len < netobuf + BUFSIZ) { 52 output_datalen(str, len); 53 return(len); 54 } 55 return(0); 56} 57 58 void 59net_encrypt() 60{ 61#ifdef ENCRYPTION 62 char *s = (nclearto > nbackp) ? nclearto : nbackp; 63 if (s < nfrontp && encrypt_output) { 64 (*encrypt_output)((unsigned char *)s, nfrontp - s); 65 } 66 nclearto = nfrontp; 67#endif /* ENCRYPTION */ 68} 69 70 int 71telnet_spin() 72{ 73 ttloop(); 74 return(0); 75} 76 77 char * 78telnet_getenv(val) 79 char *val; 80{ 81 return(getenv(val)); 82} 83 84 char * 85telnet_gets(prompt, result, length, echo) 86 char *prompt; 87 char *result; 88 int length; 89 int echo; 90{ 91 return((char *)0); 92} 93#endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */ 94