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126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*
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Copyright (C) 1995-2025 Free Software Foundation, Inc.
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This file is part of GNU Inetutils.
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GNU Inetutils is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Inetutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see `http://www.gnu.org/licenses/'. */
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/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#if defined AUTHENTICATION || defined ENCRYPTION
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# include <unistd.h>
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# include <sys/types.h>
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# include <arpa/telnet.h>
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# include <libtelnet/encrypt.h>
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# include <libtelnet/misc.h>
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# include "general.h"
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# include "ring.h"
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# include "externs.h"
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# include "defines.h"
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# include "types.h"
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int
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net_write (unsigned char *str, int len)
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{
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if (NETROOM () > len)
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{
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ring_supply_data (&netoring, str, len);
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if (str[0] == IAC && str[1] == SE)
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printsub ('>', &str[2], len - 2);
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return (len);
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}
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return (0);
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}
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void
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net_encrypt (void)
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{
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# ifdef ENCRYPTION
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if (encrypt_output)
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ring_encrypt (&netoring, encrypt_output);
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else
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ring_clearto (&netoring);
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# endif/* ENCRYPTION */
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}
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int
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telnet_spin (void)
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{
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return (-1);
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}
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char *
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telnet_getenv (char *val)
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{
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return ((char *) env_getvalue (val));
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}
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char *
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telnet_gets (char *prompt, char *result, int length, int echo)
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{
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extern int globalmode;
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int om = globalmode;
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char *res;
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TerminalNewMode (-1);
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if (echo)
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{
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printf ("%s", prompt);
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res = fgets (result, length, stdin);
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}
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else
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{
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res = getpass (prompt);
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if (res)
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{
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strncpy (result, res, length);
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memset (res, 0, strlen (res));
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res = result;
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}
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}
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TerminalNewMode (om);
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return (res);
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}
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#endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
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