xref: /freebsd-11-stable/contrib/telnet/libtelnet/misc.c

/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>

__FBSDID("$FreeBSD: stable/11/contrib/telnet/libtelnet/misc.c 351432 2019-08-23 17:40:47Z emaste $");

#ifndef lint
#if 0
static const char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/4/93";
#endif
#endif /* not lint */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "misc.h"
#ifdef	AUTHENTICATION
#include "auth.h"
#endif
#ifdef	ENCRYPTION
#include "encrypt.h"
#endif	/* ENCRYPTION */

char *RemoteHostName;
char *LocalHostName;
char *UserNameRequested = 0;
int ConnectedCount = 0;

#ifndef AUTHENTICATION
#define undef1 __unused
#else
#define undef1
#endif

void
auth_encrypt_init(char *local, char *remote, const char *name undef1, int server undef1)
{
	RemoteHostName = remote;
	LocalHostName = local;
#ifdef	AUTHENTICATION
	auth_init(name, server);
#endif
#ifdef	ENCRYPTION
	encrypt_init(name, server);
#endif	/* ENCRYPTION */
	if (UserNameRequested) {
		free(UserNameRequested);
		UserNameRequested = 0;
	}
}

#ifdef	ENCRYPTION
void
auth_encrypt_user(char *name)
{
	if (UserNameRequested)
		free(UserNameRequested);
	UserNameRequested = name ? strdup(name) : 0;
}

/* ARGSUSED */
void
auth_encrypt_connect(int cnt __unused)
{
}
#endif	/* ENCRYPTION */

void
printd(const unsigned char *data, int cnt)
{
	if (cnt > 16)
		cnt = 16;
	while (cnt-- > 0) {
		printf(" %02x", *data);
		++data;
	}
}