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- # SPDX-License-Identifier: GPL-2.0+
- # Copyright (c) 2019, Linaro Limited
- # Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
- #
- # U-Boot UEFI: Signed Image Authentication Test
- """
- This test verifies image authentication for signed images.
- """
- import pytest
- from defs import *
- @pytest.mark.boardspec('sandbox')
- @pytest.mark.buildconfigspec('efi_secure_boot')
- @pytest.mark.buildconfigspec('cmd_efidebug')
- @pytest.mark.buildconfigspec('cmd_fat')
- @pytest.mark.buildconfigspec('cmd_nvedit_efi')
- @pytest.mark.slow
- class TestEfiSignedImage(object):
- def test_efi_signed_image_auth1(self, u_boot_console, efi_boot_env):
- """
- Test Case 1 - authenticated by db
- """
- u_boot_console.restart_uboot()
- disk_img = efi_boot_env
- with u_boot_console.log.section('Test Case 1a'):
- # Test Case 1a, run signed image if no db/dbx
- output = u_boot_console.run_command_list([
- 'host bind 0 %s' % disk_img,
- 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
- 'efidebug boot next 1',
- 'bootefi bootmgr'])
- assert('Hello, world!' in ''.join(output))
- with u_boot_console.log.section('Test Case 1b'):
- # Test Case 1b, run unsigned image if no db/dbx
- output = u_boot_console.run_command_list([
- 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
- 'efidebug boot next 2',
- 'bootefi bootmgr'])
- assert('Hello, world!' in ''.join(output))
- with u_boot_console.log.section('Test Case 1c'):
- # Test Case 1c, not authenticated by db
- output = u_boot_console.run_command_list([
- 'fatload host 0:1 4000000 db.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
- 'fatload host 0:1 4000000 KEK.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
- 'fatload host 0:1 4000000 PK.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
- assert(not 'Failed to set EFI variable' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot next 2',
- 'bootefi bootmgr'])
- assert('\'HELLO2\' failed' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot next 2',
- 'efidebug test bootmgr'])
- assert('efi_start_image() returned: 26' in ''.join(output))
- assert(not 'Hello, world!' in ''.join(output))
- with u_boot_console.log.section('Test Case 1d'):
- # Test Case 1d, authenticated by db
- output = u_boot_console.run_command_list([
- 'efidebug boot next 1',
- 'bootefi bootmgr'])
- assert('Hello, world!' in ''.join(output))
- def test_efi_signed_image_auth2(self, u_boot_console, efi_boot_env):
- """
- Test Case 2 - rejected by dbx
- """
- u_boot_console.restart_uboot()
- disk_img = efi_boot_env
- with u_boot_console.log.section('Test Case 2a'):
- # Test Case 2a, rejected by dbx
- output = u_boot_console.run_command_list([
- 'host bind 0 %s' % disk_img,
- 'fatload host 0:1 4000000 db.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx',
- 'fatload host 0:1 4000000 KEK.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
- 'fatload host 0:1 4000000 PK.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
- assert(not 'Failed to set EFI variable' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
- 'efidebug boot next 1',
- 'bootefi bootmgr'])
- assert('\'HELLO\' failed' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot next 1',
- 'efidebug test bootmgr'])
- assert('efi_start_image() returned: 26' in ''.join(output))
- assert(not 'Hello, world!' in ''.join(output))
- with u_boot_console.log.section('Test Case 2b'):
- # Test Case 2b, rejected by dbx even if db allows
- output = u_boot_console.run_command_list([
- 'fatload host 0:1 4000000 db.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
- assert(not 'Failed to set EFI variable' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot next 1',
- 'bootefi bootmgr'])
- assert('\'HELLO\' failed' in ''.join(output))
- output = u_boot_console.run_command_list([
- 'efidebug boot next 1',
- 'efidebug test bootmgr'])
- assert('efi_start_image() returned: 26' in ''.join(output))
- assert(not 'Hello, world!' in ''.join(output))
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