Provide a couple of test cases for variable authentication.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- .../py/tests/test_efi_secboot/test_authvar.py | 282 ++++++++++++++++++ 1 file changed, 282 insertions(+) create mode 100644 test/py/tests/test_efi_secboot/test_authvar.py
diff --git a/test/py/tests/test_efi_secboot/test_authvar.py b/test/py/tests/test_efi_secboot/test_authvar.py new file mode 100644 index 000000000000..55dcaa95f1ea --- /dev/null +++ b/test/py/tests/test_efi_secboot/test_authvar.py @@ -0,0 +1,282 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2019, Linaro Limited +# Author: AKASHI Takahiro takahiro.akashi@linaro.org +# +# U-Boot UEFI: Variable Authentication Test + +""" +This test verifies variable authentication +""" + +import pytest +import re +from defs import * + +@pytest.mark.boardspec('sandbox') +@pytest.mark.buildconfigspec('efi_secure_boot') +@pytest.mark.buildconfigspec('cmd_fat') +@pytest.mark.buildconfigspec('cmd_nvedit_efi') +@pytest.mark.slow +class TestEfiAuthVar(object): + def test_efi_var_auth1(self, u_boot_console, efi_boot_env): + """ + Test Case 1 - Install signature database + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 1a'): + # Test Case 1a, Initial secure state + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'printenv -e SecureBoot']) + assert('00000000: 00' in ''.join(output)) + + output = u_boot_console.run_command( + 'printenv -e SetupMode') + assert('00000000: 01' in output) + + with u_boot_console.log.section('Test Case 1b'): + # Test Case 1b, PK without AUTHENTICATED_WRITE_ACCESS + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -i 4000000,$filesize PK']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 1c'): + # Test Case 1c, install PK + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'printenv -e -n PK']) + assert(re.search('PK:', ''.join(output))) + + output = u_boot_console.run_command( + 'printenv -e SecureBoot') + assert('00000000: 01' in output) + output = u_boot_console.run_command( + 'printenv -e SetupMode') + assert('00000000: 00' in output) + + with u_boot_console.log.section('Test Case 1d'): + # Test Case 1d, db/dbx without KEK + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 1e'): + # Test Case 1e, install KEK + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -i 4000000,$filesize KEK']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'printenv -e -n KEK']) + assert(re.search('KEK:', ''.join(output))) + + output = u_boot_console.run_command( + 'printenv -e SecureBoot') + assert('00000000: 01' in output) + + with u_boot_console.log.section('Test Case 1f'): + # Test Case 1f, install db + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + output = u_boot_console.run_command( + 'printenv -e SecureBoot') + assert('00000000: 01' in output) + + with u_boot_console.log.section('Test Case 1g'): + # Test Case 1g, install dbx + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + output = u_boot_console.run_command( + 'printenv -e SecureBoot') + assert('00000000: 01' in output) + + def test_efi_var_auth2(self, u_boot_console, efi_boot_env): + """ + Test Case 2 - Update database by overwriting + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 2a'): + # Test Case 2a, update without AUTHENTICATED_WRITE_ACCESS + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db1.auth', + 'setenv -e -nv -bs -rt -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 2b'): + # Test Case 2b, update without correct signature + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.esl', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 2c'): + # Test Case 2c, update with correct signature + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db1.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + def test_efi_var_auth3(self, u_boot_console, efi_boot_env): + """ + Test Case 3 - Append database + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 3a'): + # Test Case 3a, update without AUTHENTICATED_WRITE_ACCESS + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db1.auth', + 'setenv -e -nv -bs -rt -a -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 3b'): + # Test Case 3b, update without correct signature + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db.esl', + 'setenv -e -nv -bs -rt -at -a -i 4000000,$filesize db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + + with u_boot_console.log.section('Test Case 3c'): + # Test Case 3c, update with correct signature + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db1.auth', + 'setenv -e -nv -bs -rt -at -a -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + def test_efi_var_auth4(self, u_boot_console, efi_boot_env): + """ + Test Case 4 - Delete database without authentication + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 4a'): + # Test Case 4a, update without AUTHENTICATED_WRITE_ACCESS + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'setenv -e -nv -bs -rt db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + with u_boot_console.log.section('Test Case 4b'): + # Test Case 4b, update without correct signature/data + output = u_boot_console.run_command_list([ + 'setenv -e -nv -bs -rt -at db', + 'printenv -e -n -guid d719b2cb-3d3a-4596-a3bc-dad00e67656f db']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('db:', ''.join(output))) + + def test_efi_var_auth5(self, u_boot_console, efi_boot_env): + """ + Test Case 5 - Uninstall(delete) PK + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 5a'): + # Test Case 5a, Uninstall PK without correct signature + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'printenv -e -n PK']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('PK:', ''.join(output))) + + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 PK_null.esl', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'printenv -e -n PK']) + assert(re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('PK:', ''.join(output))) + + with u_boot_console.log.section('Test Case 5b'): + # Test Case 5b, Uninstall PK with correct signature + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 PK_null.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK', + 'printenv -e -n PK']) + assert(not re.search('Failed to set EFI variable', ''.join(output))) + assert(re.search('"PK" not defined', ''.join(output))) + + output = u_boot_console.run_command( + 'printenv -e SecureBoot') + assert('00000000: 00' in output) + output = u_boot_console.run_command( + 'printenv -e SetupMode') + assert('00000000: 01' in output)