diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/osdep/unix/password.c | |
parent | Initial commit. (diff) | |
download | grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/osdep/unix/password.c')
-rw-r--r-- | grub-core/osdep/unix/password.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/grub-core/osdep/unix/password.c b/grub-core/osdep/unix/password.c new file mode 100644 index 0000000..9996b24 --- /dev/null +++ b/grub-core/osdep/unix/password.c @@ -0,0 +1,75 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006 + * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. + * + * GRUB 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. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/crypto.h> +#include <grub/mm.h> +#include <grub/term.h> + +#include <termios.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +int +grub_password_get (char buf[], unsigned buf_size) +{ + FILE *in; + struct termios s, t; + int tty_changed = 0; + char *ptr; + + grub_refresh (); + + /* Disable echoing. Based on glibc. */ + in = fopen ("/dev/tty", "w+c"); + if (in == NULL) + in = stdin; + + if (tcgetattr (fileno (in), &t) == 0) + { + /* Save the old one. */ + s = t; + /* Tricky, tricky. */ + t.c_lflag &= ~(ECHO|ISIG); + tty_changed = (tcsetattr (fileno (in), TCSAFLUSH, &t) == 0); + } + else + tty_changed = 0; + grub_memset (buf, 0, buf_size); + if (!fgets (buf, buf_size, stdin)) + { + if (in != stdin) + fclose (in); + return 0; + } + ptr = buf + strlen (buf) - 1; + while (buf <= ptr && (*ptr == '\n' || *ptr == '\r')) + *ptr-- = 0; + /* Restore the original setting. */ + if (tty_changed) + (void) tcsetattr (fileno (in), TCSAFLUSH, &s); + + grub_xputs ("\n"); + grub_refresh (); + + if (in != stdin) + fclose (in); + + return 1; +} |