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 #include "telnetd.h"
35
36 RCSID("$Id$");
37
38 #ifdef AUTHENTICATION
39
40 int
telnet_net_write(unsigned char * str,int len)41 telnet_net_write(unsigned char *str, int len)
42 {
43 if (nfrontp + len < netobuf + BUFSIZ) {
44 memmove(nfrontp, str, len);
45 nfrontp += len;
46 return(len);
47 }
48 return(0);
49 }
50
51 void
net_encrypt(void)52 net_encrypt(void)
53 {
54 #ifdef ENCRYPTION
55 char *s = (nclearto > nbackp) ? nclearto : nbackp;
56 if (s < nfrontp && encrypt_output) {
57 (*encrypt_output)((unsigned char *)s, nfrontp - s);
58 }
59 nclearto = nfrontp;
60 #endif
61 }
62
63 int
telnet_spin(void)64 telnet_spin(void)
65 {
66 return ttloop();
67 }
68
69 char *
telnet_getenv(const char * val)70 telnet_getenv(const char *val)
71 {
72 return(getenv(val));
73 }
74
75 char *
telnet_gets(char * prompt,char * result,int length,int echo)76 telnet_gets(char *prompt, char *result, int length, int echo)
77 {
78 return NULL;
79 }
80 #endif
81