diff options
Diffstat (limited to 'grub-core/osdep/unix/random.c')
-rw-r--r-- | grub-core/osdep/unix/random.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/grub-core/osdep/unix/random.c b/grub-core/osdep/unix/random.c new file mode 100644 index 0000000..fa0101b --- /dev/null +++ b/grub-core/osdep/unix/random.c @@ -0,0 +1,48 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1992-1999,2001,2003,2004,2005,2009,2010,2011,2012,2013 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 <config.h> + +#include <grub/types.h> +#include <grub/crypto.h> +#include <grub/auth.h> +#include <grub/emu/misc.h> +#include <grub/util/misc.h> +#include <grub/i18n.h> + +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int +grub_get_random (void *out, grub_size_t len) +{ + FILE *f; + size_t rd; + + f = grub_util_fopen ("/dev/urandom", "rb"); + if (!f) + return 1; + rd = fread (out, 1, len, f); + fclose (f); + + if (rd != len) + return 1; + return 0; +} |