grub/commands/xnu_uuid.c
Vladimir 'phcoder' Serbinenko 607a3701db 2010-01-07 Vladimir Serbinenko <phcoder@gmail.com>
Merge crypto branch.

	* Makefile.in (pkglib_DATA):  Add crypto.lst.
	(crypto.lst): New target.
	* commands/hashsum.c: New file.
	* commands/password.c (check_password): Use grub_crypto_memcmp.
	* commands/password_pbkdf2.c: New file.
	* commands/xnu_uuid.c: Remove MD5. Use GRUB_MD_MD5.
	* conf/any-emu.rmk (grub_emu_SOURCES): Add lib/crypto.c,
	normal/crypto.c and lib/libgcrypt-grub/cipher/md5.c.
	(grub_emu_CFLAGS): Add -Wno-missing-field-initializers -Wno-error
	-I$(srcdir)/lib/libgcrypt_wrap.
	* conf/common.rmk (normal_mod_SOURCES): Add normal/crypto.c.
	(pkglib_MODULES): Add crypto.mod, hashsum.mod, pbkdf2.mod and
	password_pbkdf2.mod.
	(crypto_mod_SOURCES): New variable.
	(crypto_mod_CFLAGS): Likewise.
	(crypto_mod_LDFLAGS): Likewise.
	(hashsum_mod_SOURCES): New variable.
	(hashsum_mod_CFLAGS): Likewise.
	(hashsum_mod_LDFLAGS): Likewise.
	(pbkdf2_mod_SOURCES): New variable.
	(pbkdf2_mod_CFLAGS): Likewise.
	(pbkdf2_mod_LDFLAGS): Likewise.
	(password_pbkdf2_mod_SOURCES): New variable.
	(password_pbkdf2_mod_CFLAGS): Likewise.
	(password_pbkdf2_mod_LDFLAGS): Likewise.
	(bin_UTILITIES): Add grub-mkpasswd-pbkdf2.
	(grub_mkpasswd_pbkdf2_SOURCES): New variable.
	(grub_mkpasswd_pbkdf2_CFLAGS): Likewise.
	Include conf/gcry.rmk.
	* include/grub/auth.h: Rewritten.
	* include/grub/crypto.h: New file.
	* include/grub/disk.h (grub_disk_dev_id): Add GRUB_DISK_DEVICE_LUKS_ID.
	* include/grub/normal.h (read_crypto_list): New prototype.
	* lib/crypto.c: New file.
	* lib/libgcrypt_wrap/cipher_wrap.h: Likewise.
	* lib/pbkdf2.c: Likewise.
	* normal/auth.c (grub_auth_strcmp): Removed.
	(grub_iswordseparator): Likewise.
	(grub_auth_strword): Likewise.
	(is_authenticated): Use grub_strword.
	(grub_auth_check_authentication): Use grub_strcmp, grub_password_get
	and grub_strword. Pass entered password to authentication callback.
	* normal/crypto.c: New file.
	* normal/main.c: Call read_crypto_list.
	* util/grub-mkpasswd-pbkdf2.c: New file.
	* util/import_gcry.py: Generate crypto.lst. Add hash blocklen.
2010-01-07 01:13:01 +01:00

100 lines
3.1 KiB
C

/* xnu_uuid.c - transform 64-bit serial number
to 128-bit uuid suitable for xnu. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1995,1996,1998,1999,2001,2002,
* 2003, 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/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/fs.h>
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/env.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/crypto.h>
/* This prefix is used by xnu and boot-132 to hash
together with volume serial. */
static grub_uint8_t hash_prefix[16]
= {0xB3, 0xE2, 0x0F, 0x39, 0xF2, 0x92, 0x11, 0xD6,
0x97, 0xA4, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC};
static grub_err_t
grub_cmd_xnu_uuid (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
grub_uint64_t serial;
grub_uint8_t *xnu_uuid;
char uuid_string[sizeof ("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")];
char *ptr;
grub_uint8_t ctx[GRUB_MD_MD5->contextsize];
if (argc < 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "UUID required");
serial = grub_cpu_to_be64 (grub_strtoull (args[0], 0, 16));
GRUB_MD_MD5->init (&ctx);
GRUB_MD_MD5->write (&ctx, hash_prefix, sizeof (hash_prefix));
GRUB_MD_MD5->write (&ctx, &serial, sizeof (serial));
GRUB_MD_MD5->final (&ctx);
xnu_uuid = GRUB_MD_MD5->read (&ctx);
grub_sprintf (uuid_string,
"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
(unsigned int) xnu_uuid[0], (unsigned int) xnu_uuid[1],
(unsigned int) xnu_uuid[2], (unsigned int) xnu_uuid[3],
(unsigned int) xnu_uuid[4], (unsigned int) xnu_uuid[5],
(unsigned int) ((xnu_uuid[6] & 0xf) | 0x30),
(unsigned int) xnu_uuid[7],
(unsigned int) ((xnu_uuid[8] & 0x3f) | 0x80),
(unsigned int) xnu_uuid[9],
(unsigned int) xnu_uuid[10], (unsigned int) xnu_uuid[11],
(unsigned int) xnu_uuid[12], (unsigned int) xnu_uuid[13],
(unsigned int) xnu_uuid[14], (unsigned int) xnu_uuid[15]);
for (ptr = uuid_string; *ptr; ptr++)
*ptr = grub_toupper (*ptr);
if (argc == 1)
grub_printf ("%s", uuid_string);
if (argc > 1)
grub_env_set (args[1], uuid_string);
return GRUB_ERR_NONE;
}
static grub_command_t cmd;
GRUB_MOD_INIT (xnu_uuid)
{
cmd = grub_register_command ("xnu_uuid", grub_cmd_xnu_uuid,
N_("GRUBUUID [VARNAME]"),
N_("Transform 64-bit UUID to format "
"suitable for XNU."));
}
GRUB_MOD_FINI (xnu_uuid)
{
grub_unregister_command (cmd);
}