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 /* based on @(#)authenc.c	8.1 (Berkeley) 6/4/93 */
35 
36 #include <autoconf.h>
37 
38 #if	defined(AUTHENTICATION) || defined(ENCRYPTION)
39 #include "telnetd.h"
40 #include <libtelnet/misc.h>
41 
42 int
net_write(str,len)43 net_write(str, len)
44 	unsigned char *str;
45 	int len;
46 {
47 	if (len < 0)
48 		return 0;
49 	return netwrite(str, (size_t) len);
50 }
51 
52 void
net_encrypt()53 net_encrypt()
54 {
55 #ifdef	ENCRYPTION
56 	char *s = (nclearto > nbackp) ? nclearto : nbackp;
57 	if (s < nfrontp && encrypt_output) {
58 		(*encrypt_output)((unsigned char *)s, nfrontp - s);
59 	}
60 	nclearto = nfrontp;
61 #endif /* ENCRYPTION */
62 }
63 
64 	int
telnet_spin()65 telnet_spin()
66 {
67 	ttloop();
68 	return(0);
69 }
70 
71 	char *
telnet_getenv(val)72 telnet_getenv(val)
73 	char *val;
74 {
75 	extern char *getenv();
76 	return(getenv(val));
77 }
78 
79 	char *
telnet_gets(prompt,result,length,echo)80 telnet_gets(prompt, result, length, echo)
81 	char *prompt;
82 	char *result;
83 	int length;
84 	int echo;
85 {
86 	return((char *)0);
87 }
88 #endif	/* defined(AUTHENTICATION) || defined(ENCRYPTION) */
89