1 /* $NetBSD: authenc.c,v 1.12 2005/02/06 05:58:20 perry 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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)authenc.c 8.2 (Berkeley) 5/30/95";
36 #else
37 __RCSID("$NetBSD: authenc.c,v 1.12 2005/02/06 05:58:20 perry Exp $");
38 #endif
39 #endif /* not lint */
40
41 #if defined(AUTHENTICATION) || defined(ENCRYPTION)
42 #include "telnetd.h"
43 #include <libtelnet/misc.h>
44
45 int
telnet_net_write(unsigned char * str,int len)46 telnet_net_write(unsigned char *str, int len)
47 {
48 if (nfrontp + len < netobuf + BUFSIZ) {
49 output_datalen((const char *)str, len);
50 return(len);
51 }
52 return(0);
53 }
54
55 void
net_encrypt(void)56 net_encrypt(void)
57 {
58 #ifdef ENCRYPTION
59 char *s = (nclearto > nbackp) ? nclearto : nbackp;
60 if (s < nfrontp && encrypt_output) {
61 (*encrypt_output)((unsigned char *)s, nfrontp - s);
62 }
63 nclearto = nfrontp;
64 #endif /* ENCRYPTION */
65 }
66
67 int
telnet_spin(void)68 telnet_spin(void)
69 {
70 ttloop();
71 return(0);
72 }
73
74 char *
telnet_getenv(char * val)75 telnet_getenv(char *val)
76 {
77 return(getenv(val));
78 }
79
80 char *
telnet_gets(char * prompt,char * result,int length,int echo)81 telnet_gets(char *prompt, char *result, int length, int echo)
82 {
83 return((char *)0);
84 }
85 #endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
86