lib/libtelnet/misc.c

   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 #ifdef __FBSDID
  37 __FBSDID("$FreeBSD: src/crypto/telnet/libtelnet/misc.c,v 1.2.8.2 2002/04/13 10:59:07 markm Exp $");
  38 #endif
  39
  40 #ifndef __unused
  41 #define __unused        __attribute__((__unused__))
  42 #endif
  43
  44 #ifndef lint
  45 #if 0
  46 static const char sccsid[] = "@(#)misc.c        8.1 (Berkeley) 6/4/93";
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53
  54 #include "misc.h"
  55 #ifdef  AUTHENTICATION
  56 #include "auth.h"
  57 #endif
  58 #ifdef  ENCRYPTION
  59 #include "encrypt.h"
  60 #endif  /* ENCRYPTION */
  61
  62 char *RemoteHostName;
  63 char *LocalHostName;
  64 char *UserNameRequested = 0;
  65 int ConnectedCount = 0;
  66
  67 #ifndef AUTHENTICATION
  68 #define undef1 __unused
  69 #else
  70 #define undef1
  71 #endif
  72
  73 void
  74 auth_encrypt_init(char *local, char *remote, const char *name undef1, int server undef1)
  75 {
  76         RemoteHostName = remote;
  77         LocalHostName = local;
  78 #ifdef  AUTHENTICATION
  79         auth_init(name, server);
  80 #endif
  81 #ifdef  ENCRYPTION
  82         encrypt_init(name, server);
  83 #endif  /* ENCRYPTION */
  84         if (UserNameRequested) {
  85                 free(UserNameRequested);
  86                 UserNameRequested = 0;
  87         }
  88 }
  89
  90 #ifdef  ENCRYPTION
  91 void
  92 auth_encrypt_user(char *name)
  93 {
  94         if (UserNameRequested)
  95                 free(UserNameRequested);
  96         UserNameRequested = name ? strdup(name) : 0;
  97 }
  98
  99 void
 100 auth_encrypt_connect(int cnt __unused)
 101 {
 102 }
 103 #endif  /* ENCRYPTION */
 104
 105 void
 106 printd(const unsigned char *data, int cnt)
 107 {
 108         if (cnt > 16)
 109                 cnt = 16;
 110         while (cnt-- > 0) {
 111                 printf(" %02x", *data);
 112                 ++data;
 113         }
 114 }