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/*
Copyright (C) 1995-2025 Free Software Foundation, Inc.
This file is part of GNU Inetutils.
GNU Inetutils is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Inetutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see `http://www.gnu.org/licenses/'. */
/*
* 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 <config.h>
#if defined AUTHENTICATION || defined ENCRYPTION
# include <unistd.h>
# include <sys/types.h>
# include <arpa/telnet.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 (val));
}
char *
telnet_gets (char *prompt, char *result, int length, int echo)
{
extern int globalmode;
int om = globalmode;
char *res;
TerminalNewMode (-1);
if (echo)
{
printf ("%s", prompt);
res = fgets (result, length, stdin);
}
else
{
res = getpass (prompt);
if (res)
{
strncpy (result, res, length);
memset (res, 0, strlen (res));
res = result;
}
}
TerminalNewMode (om);
return (res);
}
#endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
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