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Commit | Line | Data |
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841785ba | 1 | /* Reading passphrases manually. |
04277e02 | 2 | Copyright (C) 1991-2019 Free Software Foundation, Inc. |
d9a17c07 RM |
3 | |
4 | This program is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU General Public License | |
6 | as published by the Free Software Foundation; either version 2 | |
7 | of the License, or (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
5a82c748 | 15 | along with this program; if not, see <https://www.gnu.org/licenses/>. |
d9a17c07 RM |
16 | */ |
17 | ||
63f791d3 GK |
18 | #include <termios.h> |
19 | #include <stdio.h> | |
20 | ||
21 | ssize_t | |
22 | my_getpass (char **lineptr, size_t *n, FILE *stream) | |
23 | { | |
24 | struct termios old, new; | |
25 | int nread; | |
26 | ||
27 | /* Turn echoing off and fail if we can't. */ | |
28 | if (tcgetattr (fileno (stream), &old) != 0) | |
29 | return -1; | |
30 | new = old; | |
31 | new.c_lflag &= ~ECHO; | |
32 | if (tcsetattr (fileno (stream), TCSAFLUSH, &new) != 0) | |
33 | return -1; | |
d9a17c07 | 34 | |
841785ba | 35 | /* Read the passphrase */ |
63f791d3 GK |
36 | nread = getline (lineptr, n, stream); |
37 | ||
38 | /* Restore terminal. */ | |
39 | (void) tcsetattr (fileno (stream), TCSAFLUSH, &old); | |
d9a17c07 | 40 | |
63f791d3 GK |
41 | return nread; |
42 | } |