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