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  * @(#)misc.c   8.1 (Berkeley) 6/4/93
  34  * $FreeBSD: src/crypto/telnet/libtelnet/misc.c,v 1.2.8.2 2002/04/13 10:59:07 markm Exp $
  35  * $DragonFly: src/crypto/telnet/libtelnet/misc.c,v 1.2 2003/06/17 04:24:37 dillon Exp $
  36  */
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41
  42 #include "misc.h"
  43 #ifdef  AUTHENTICATION
  44 #include "auth.h"
  45 #endif
  46 #ifdef  ENCRYPTION
  47 #include "encrypt.h"
  48 #endif  /* ENCRYPTION */
  49
  50 char *RemoteHostName;
  51 char *LocalHostName;
  52 char *UserNameRequested = 0;
  53 int ConnectedCount = 0;
  54
  55 #ifndef AUTHENTICATION
  56 #define undef1 __unused
  57 #else
  58 #define undef1
  59 #endif
  60
  61 void
  62 auth_encrypt_init(char *local, char *remote, const char *name undef1, int server undef1)
  63 {
  64         RemoteHostName = remote;
  65         LocalHostName = local;
  66 #ifdef  AUTHENTICATION
  67         auth_init(name, server);
  68 #endif
  69 #ifdef  ENCRYPTION
  70         encrypt_init(name, server);
  71 #endif  /* ENCRYPTION */
  72         if (UserNameRequested) {
  73                 free(UserNameRequested);
  74                 UserNameRequested = 0;
  75         }
  76 }
  77
  78 #ifdef  ENCRYPTION
  79 void
  80 auth_encrypt_user(char *name)
  81 {
  82         if (UserNameRequested)
  83                 free(UserNameRequested);
  84         UserNameRequested = name ? strdup(name) : 0;
  85 }
  86
  87 void
  88 auth_encrypt_connect(int cnt __unused)
  89 {
  90 }
  91 #endif  /* ENCRYPTION */
  92
  93 void
  94 printd(const unsigned char *data, int cnt)
  95 {
  96         if (cnt > 16)
  97                 cnt = 16;
  98         while (cnt-- > 0) {
  99                 printf(" %02x", *data);
 100                 ++data;
 101         }
 102 }