/*-
 * 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.
 */

#if 0
#ifndef lint
static const char sccsid[] = "@(#)authenc.c     8.1 (Berkeley) 6/6/93";
#endif
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#ifdef  AUTHENTICATION
#ifdef  ENCRYPTION
#include <sys/types.h>
#include <arpa/telnet.h>
#include <pwd.h>
#include <unistd.h>
#include <libtelnet/encrypt.h>
#include <libtelnet/misc.h>

#include "general.h"
#include "ring.h"
#include "externs.h"
#include "defines.h"
#include "types.h"

int
net_write(unsigned char *str, int len)
{
        if (NETROOM() > len) {
                ring_supply_data(&netoring, str, len);
                if (str[0] == IAC && str[1] == SE)
                        printsub('>', &str[2], len-2);
                return(len);
        }
        return(0);
}

void
net_encrypt(void)
{
#ifdef  ENCRYPTION
        if (encrypt_output)
                ring_encrypt(&netoring, encrypt_output);
        else
                ring_clearto(&netoring);
#endif  /* ENCRYPTION */
}

int
telnet_spin(void)
{
        return(-1);
}

char *
telnet_getenv(char *val)
{
        return((char *)env_getvalue((unsigned char *)val));
}

char *
telnet_gets(const char *prom, char *result, int length, int echo)
{
        extern int globalmode;
        int om = globalmode;
        char *res;

        TerminalNewMode(-1);
        if (echo) {
                printf("%s", prom);
                res = fgets(result, length, stdin);
        } else if ((res = getpass(prom))) {
                strncpy(result, res, length);
                res = result;
        }
        TerminalNewMode(om);
        return(res);
}
#endif  /* ENCRYPTION */
#endif  /* AUTHENTICATION */