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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 unsigned images.
- """
- import pytest
- @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 TestEfiUnsignedImage(object):
- def test_efi_unsigned_image_auth1(self, u_boot_console, efi_boot_env):
- """
- Test Case 1 - rejected when not digest in db or dbx
- """
- u_boot_console.restart_uboot()
- disk_img = efi_boot_env
- with u_boot_console.log.section('Test Case 1'):
- # Test Case 1
- output = u_boot_console.run_command_list([
- 'host bind 0 %s' % disk_img,
- '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 'Failed to set EFI variable' not in ''.join(output)
- output = u_boot_console.run_command_list([
- 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
- '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 'Hello, world!' not in ''.join(output)
- def test_efi_unsigned_image_auth2(self, u_boot_console, efi_boot_env):
- """
- Test Case 2 - authenticated by digest in db
- """
- u_boot_console.restart_uboot()
- disk_img = efi_boot_env
- with u_boot_console.log.section('Test Case 2'):
- # Test Case 2
- output = u_boot_console.run_command_list([
- 'host bind 0 %s' % disk_img,
- 'fatload host 0:1 4000000 db_hello.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,$filesize PK'])
- assert 'Failed to set EFI variable' not in ''.join(output)
- output = u_boot_console.run_command_list([
- 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
- 'efidebug boot next 1',
- 'bootefi bootmgr'])
- assert 'Hello, world!' in ''.join(output)
- def test_efi_unsigned_image_auth3(self, u_boot_console, efi_boot_env):
- """
- Test Case 3 - rejected by digest in dbx
- """
- u_boot_console.restart_uboot()
- disk_img = efi_boot_env
- with u_boot_console.log.section('Test Case 3a'):
- # Test Case 3a, rejected by dbx
- output = u_boot_console.run_command_list([
- 'host bind 0 %s' % disk_img,
- 'fatload host 0:1 4000000 db_hello.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$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 'Failed to set EFI variable' not in ''.join(output)
- output = u_boot_console.run_command_list([
- 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
- '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 'Hello, world!' not in ''.join(output)
- with u_boot_console.log.section('Test Case 3b'):
- # Test Case 3b, rejected by dbx even if db allows
- output = u_boot_console.run_command_list([
- 'fatload host 0:1 4000000 db_hello.auth',
- 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
- assert 'Failed to set EFI variable' not in ''.join(output)
- output = u_boot_console.run_command_list([
- 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
- '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 'Hello, world!' not in ''.join(output)
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