Indentation fix, cleanup.
[AROS.git] / arch / all-pc / boot / grub2-aros / grub-core / commands / password.c
blob6d42c9b02cd2e2ae6cfd81cef54c0bfb2b140f77
1 /*
2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 2009 Free Software Foundation, Inc.
5 * GRUB is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * GRUB is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19 #include <grub/auth.h>
20 #include <grub/crypto.h>
21 #include <grub/list.h>
22 #include <grub/mm.h>
23 #include <grub/misc.h>
24 #include <grub/env.h>
25 #include <grub/normal.h>
26 #include <grub/dl.h>
27 #include <grub/i18n.h>
29 GRUB_MOD_LICENSE ("GPLv3+");
31 static grub_dl_t my_mod;
33 static grub_err_t
34 check_password (const char *user, const char *entered,
35 void *password)
37 if (grub_crypto_memcmp (entered, password, GRUB_AUTH_MAX_PASSLEN) != 0)
38 return GRUB_ACCESS_DENIED;
40 grub_auth_authenticate (user);
42 return GRUB_ERR_NONE;
45 grub_err_t
46 grub_normal_set_password (const char *user, const char *password)
48 grub_err_t err;
49 char *pass;
50 int copylen;
52 pass = grub_zalloc (GRUB_AUTH_MAX_PASSLEN);
53 if (!pass)
54 return grub_errno;
55 copylen = grub_strlen (password);
56 if (copylen >= GRUB_AUTH_MAX_PASSLEN)
57 copylen = GRUB_AUTH_MAX_PASSLEN - 1;
58 grub_memcpy (pass, password, copylen);
60 err = grub_auth_register_authentication (user, check_password, pass);
61 if (err)
63 grub_free (pass);
64 return err;
66 grub_dl_ref (my_mod);
67 return GRUB_ERR_NONE;
70 static grub_err_t
71 grub_cmd_password (grub_command_t cmd __attribute__ ((unused)),
72 int argc, char **args)
74 if (argc != 2)
75 return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected"));
76 return grub_normal_set_password (args[0], args[1]);
79 static grub_command_t cmd;
81 GRUB_MOD_INIT(password)
83 my_mod = mod;
84 cmd = grub_register_command ("password", grub_cmd_password,
85 N_("USER PASSWORD"),
86 N_("Set user password (plaintext). "
87 "Unrecommended and insecure."));
90 GRUB_MOD_FINI(password)
92 grub_unregister_command (cmd);