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 36 static 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 #ifdef AUTHENTICATION 43 #ifdef ENCRYPTION 44 /* Above "#ifdef"s actually "or"'ed together. XXX MarkM 45 */ 46 #include "telnetd.h" 47 #include <libtelnet/misc.h> 48 49 int 50 net_write(unsigned char *str, int len) 51 { 52 if (nfrontp + len < netobuf + BUFSIZ) { 53 output_datalen(str, len); 54 return(len); 55 } 56 return(0); 57 } 58 59 void 60 net_encrypt(void) 61 { 62 #ifdef ENCRYPTION 63 char *s = (nclearto > nbackp) ? nclearto : nbackp; 64 if (s < nfrontp && encrypt_output) { 65 (*encrypt_output)((unsigned char *)s, nfrontp - s); 66 } 67 nclearto = nfrontp; 68 #endif /* ENCRYPTION */ 69 } 70 71 int 72 telnet_spin(void) 73 { 74 ttloop(); 75 return(0); 76 } 77 78 char * 79 telnet_getenv(char *val) 80 { 81 return(getenv(val)); 82 } 83 84 char * 85 telnet_gets(const char *prompt __unused, char *result __unused, int length __unused, int echo __unused) 86 { 87 return(NULL); 88 } 89 #endif /* ENCRYPTION */ 90 #endif /* AUTHENTICATION */ 91