| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2009 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/auth.h> |
| #include <grub/list.h> |
| #include <grub/mm.h> |
| #include <grub/misc.h> |
| #include <grub/env.h> |
| #include <grub/normal.h> |
| #include <grub/dl.h> |
| |
| static grub_dl_t my_mod; |
| |
| static grub_err_t |
| check_password (const char *user, |
| void *password) |
| { |
| char entered[1024]; |
| |
| grub_memset (entered, 0, sizeof (entered)); |
| |
| if (!GRUB_GET_PASSWORD (entered, sizeof (entered) - 1)) |
| return GRUB_ACCESS_DENIED; |
| |
| if (grub_auth_strcmp (entered, password) != 0) |
| return GRUB_ACCESS_DENIED; |
| |
| grub_auth_authenticate (user); |
| |
| return GRUB_ERR_NONE; |
| } |
| |
| static grub_err_t |
| grub_cmd_password (grub_command_t cmd __attribute__ ((unused)), |
| int argc, char **args) |
| { |
| grub_err_t err; |
| char *pass; |
| |
| if (argc != 2) |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, "Two arguments expected."); |
| |
| pass = grub_strdup (args[1]); |
| if (!pass) |
| return grub_errno; |
| |
| err = grub_auth_register_authentication (args[0], check_password, pass); |
| if (err) |
| { |
| grub_free (pass); |
| return err; |
| } |
| grub_dl_ref (my_mod); |
| return GRUB_ERR_NONE; |
| } |
| |
| static grub_command_t cmd; |
| |
| GRUB_MOD_INIT(password) |
| { |
| my_mod = mod; |
| cmd = grub_register_command ("password", grub_cmd_password, |
| "password USER PASSWORD", |
| "Set user password (plaintext). " |
| "Unrecommended and insecure."); |
| } |
| |
| GRUB_MOD_FINI(password) |
| { |
| grub_unregister_command (cmd); |
| } |