/* Reading passphrases manually.

   Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This program 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 2

   of the License, or (at your option) any later version.

   This program 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, if not, see <http://www.gnu.org/licenses/>.

*/

#include <termios.h>

#include <stdio.h>

ssize_t

my_getpass (char **lineptr, size_t *n, FILE *stream)

{

  struct termios old, new;

  int nread;

  /* Turn echoing off and fail if we can't.  */

  if (tcgetattr (fileno (stream), &old) != 0)

    return -1;

  new = old;

  new.c_lflag &= ~ECHO;

  if (tcsetattr (fileno (stream), TCSAFLUSH, &new) != 0)

    return -1;

  /* Read the passphrase  */

  nread = getline (lineptr, n, stream);

  /* Restore terminal.  */

  (void) tcsetattr (fileno (stream), TCSAFLUSH, &old;;

  return nread;

}