xref: /freebsd/contrib/telnet/libtelnet/misc.c (revision f7c32ed617858bcd22f8d1b03199099d50125721)
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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 
32 __FBSDID("$FreeBSD$");
33 
34 #ifndef lint
35 #if 0
36 static const char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/4/93";
37 #endif
38 #endif /* not lint */
39 
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 
44 #include "misc.h"
45 #ifdef	AUTHENTICATION
46 #include "auth.h"
47 #endif
48 #ifdef	ENCRYPTION
49 #include "encrypt.h"
50 #endif	/* ENCRYPTION */
51 
52 char *RemoteHostName;
53 char *LocalHostName;
54 char *UserNameRequested = 0;
55 int ConnectedCount = 0;
56 
57 #ifndef AUTHENTICATION
58 #define undef1 __unused
59 #else
60 #define undef1
61 #endif
62 
63 void
64 auth_encrypt_init(char *local, char *remote, const char *name undef1, int server undef1)
65 {
66 	RemoteHostName = remote;
67 	LocalHostName = local;
68 #ifdef	AUTHENTICATION
69 	auth_init(name, server);
70 #endif
71 #ifdef	ENCRYPTION
72 	encrypt_init(name, server);
73 #endif	/* ENCRYPTION */
74 	if (UserNameRequested) {
75 		free(UserNameRequested);
76 		UserNameRequested = 0;
77 	}
78 }
79 
80 #ifdef	ENCRYPTION
81 void
82 auth_encrypt_user(char *name)
83 {
84 	if (UserNameRequested)
85 		free(UserNameRequested);
86 	UserNameRequested = name ? strdup(name) : 0;
87 }
88 
89 /* ARGSUSED */
90 void
91 auth_encrypt_connect(int cnt __unused)
92 {
93 }
94 #endif	/* ENCRYPTION */
95 
96 void
97 printd(const unsigned char *data, int cnt)
98 {
99 	if (cnt > 16)
100 		cnt = 16;
101 	while (cnt-- > 0) {
102 		printf(" %02x", *data);
103 		++data;
104 	}
105 }
106