1 /* $NetBSD: authenc.c,v 1.9 2001/08/20 11:01:48 wiz 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)authenc.c 8.2 (Berkeley) 5/30/95"; 40 #else 41 __RCSID("$NetBSD: authenc.c,v 1.9 2001/08/20 11:01:48 wiz Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #if defined(AUTHENTICATION) || defined(ENCRYPTION) 46 #include "telnetd.h" 47 #include <libtelnet/misc.h> 48 49 int 50 telnet_net_write(str, len) 51 unsigned char *str; 52 int len; 53 { 54 if (nfrontp + len < netobuf + BUFSIZ) { 55 output_datalen((const char *)str, len); 56 return(len); 57 } 58 return(0); 59 } 60 61 void 62 net_encrypt() 63 { 64 #ifdef ENCRYPTION 65 char *s = (nclearto > nbackp) ? nclearto : nbackp; 66 if (s < nfrontp && encrypt_output) { 67 (*encrypt_output)((unsigned char *)s, nfrontp - s); 68 } 69 nclearto = nfrontp; 70 #endif /* ENCRYPTION */ 71 } 72 73 int 74 telnet_spin() 75 { 76 ttloop(); 77 return(0); 78 } 79 80 char * 81 telnet_getenv(val) 82 char *val; 83 { 84 return(getenv(val)); 85 } 86 87 char * 88 telnet_gets(prompt, result, length, echo) 89 char *prompt; 90 char *result; 91 int length; 92 int echo; 93 { 94 return((char *)0); 95 } 96 #endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */ 97