xref: /freebsd/contrib/telnet/libtelnet/misc.c (revision 050570efa79efcc9cf5adeb545f1a679c8dc377b)
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 <sys/cdefs.h>
35 
36 __FBSDID("$FreeBSD$");
37 
38 #ifndef lint
39 #if 0
40 static const char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/4/93";
41 #endif
42 #endif /* not lint */
43 
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 
48 #include "misc.h"
49 #ifdef	AUTHENTICATION
50 #include "auth.h"
51 #endif
52 #ifdef	ENCRYPTION
53 #include "encrypt.h"
54 #endif	/* ENCRYPTION */
55 
56 char *RemoteHostName;
57 char *LocalHostName;
58 char *UserNameRequested = 0;
59 int ConnectedCount = 0;
60 
61 #ifndef AUTHENTICATION
62 #define undef1 __unused
63 #else
64 #define undef1
65 #endif
66 
67 void
68 auth_encrypt_init(char *local, char *remote, const char *name undef1, int server undef1)
69 {
70 	RemoteHostName = remote;
71 	LocalHostName = local;
72 #ifdef	AUTHENTICATION
73 	auth_init(name, server);
74 #endif
75 #ifdef	ENCRYPTION
76 	encrypt_init(name, server);
77 #endif	/* ENCRYPTION */
78 	if (UserNameRequested) {
79 		free(UserNameRequested);
80 		UserNameRequested = 0;
81 	}
82 }
83 
84 #ifdef	ENCRYPTION
85 void
86 auth_encrypt_user(char *name)
87 {
88 	if (UserNameRequested)
89 		free(UserNameRequested);
90 	UserNameRequested = name ? strdup(name) : 0;
91 }
92 
93 /* ARGSUSED */
94 void
95 auth_encrypt_connect(int cnt __unused)
96 {
97 }
98 #endif	/* ENCRYPTION */
99 
100 void
101 printd(const unsigned char *data, int cnt)
102 {
103 	if (cnt > 16)
104 		cnt = 16;
105 	while (cnt-- > 0) {
106 		printf(" %02x", *data);
107 		++data;
108 	}
109 }
110