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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* Reading passphrases manually.
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Copyright (C) 1991-2019 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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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#include <termios.h>
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#include <stdio.h>
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ssize_t
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my_getpass (char **lineptr, size_t *n, FILE *stream)
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{
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struct termios old, new;
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int nread;
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/* Turn echoing off and fail if we can't. */
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if (tcgetattr (fileno (stream), &old) != 0)
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return -1;
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new = old;
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new.c_lflag &= ~ECHO;
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if (tcsetattr (fileno (stream), TCSAFLUSH, &new) != 0)
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return -1;
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/* Read the passphrase */
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nread = getline (lineptr, n, stream);
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/* Restore terminal. */
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(void) tcsetattr (fileno (stream), TCSAFLUSH, &old);
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return nread;
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}
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