/*- * Copyright (c) 1991, 1993 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */#ifndef lintstatic char sccsid[] = "@(#)authenc.c	8.1 (Berkeley) 6/4/93";#endif /* not lint */#if	defined(AUTHENTICATION) || defined(ENCRYPTION)#include "telnetd.h"#include <libtelnet/misc.h>	intnet_write(str, len)	unsigned char *str;	int len;{	if (nfrontp + len < netobuf + BUFSIZ) {		bcopy((void *)str, (void *)nfrontp, len);		nfrontp += len;		return(len);	}	return(0);}	voidnet_encrypt(){#ifdef	ENCRYPTION	char *s = (nclearto > nbackp) ? nclearto : nbackp;	if (s < nfrontp && encrypt_output) {		(*encrypt_output)((unsigned char *)s, nfrontp - s);	}	nclearto = nfrontp;#endif /* ENCRYPTION */}	inttelnet_spin(){	ttloop();	return(0);}	char *telnet_getenv(val)	char *val;{	extern char *getenv();	return(getenv(val));}	char *telnet_gets(prompt, result, length, echo)	char *prompt;	char *result;	int length;	int echo;{	return((char *)0);}#endif	/* defined(AUTHENTICATION) || defined(ENCRYPTION) */