1 # SPDX-License-Identifier: GPL-2.0+
2 # Copyright (c) 2019, Linaro Limited
3 # Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
5 # U-Boot UEFI: Signed Image Authentication Test
8 This test verifies image authentication for signed images.
15 @pytest.mark.boardspec('sandbox')
16 @pytest.mark.buildconfigspec('efi_secure_boot')
17 @pytest.mark.buildconfigspec('cmd_efidebug')
18 @pytest.mark.buildconfigspec('cmd_fat')
19 @pytest.mark.buildconfigspec('cmd_nvedit_efi')
21 class TestEfiSignedImage(object):
22 def test_efi_signed_image_auth1(self, u_boot_console, efi_boot_env):
24 Test Case 1 - authenticated by db
26 u_boot_console.restart_uboot()
27 disk_img = efi_boot_env
28 with u_boot_console.log.section('Test Case 1a'):
29 # Test Case 1a, run signed image if no db/dbx
30 output = u_boot_console.run_command_list([
31 'host bind 0 %s' % disk_img,
32 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""; echo',
33 'efidebug boot next 1',
35 assert(re.search('Hello, world!', ''.join(output)))
37 with u_boot_console.log.section('Test Case 1b'):
38 # Test Case 1b, run unsigned image if no db/dbx
39 output = u_boot_console.run_command_list([
40 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
41 'efidebug boot next 2',
43 assert(re.search('Hello, world!', ''.join(output)))
45 with u_boot_console.log.section('Test Case 1c'):
46 # Test Case 1c, not authenticated by db
47 output = u_boot_console.run_command_list([
48 'fatload host 0:1 4000000 db.auth',
49 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db',
50 'fatload host 0:1 4000000 KEK.auth',
51 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
52 'fatload host 0:1 4000000 PK.auth',
53 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
54 assert(not re.search('Failed to set EFI variable', ''.join(output)))
55 output = u_boot_console.run_command_list([
56 'efidebug boot next 2',
58 assert(re.search('\'HELLO2\' failed', ''.join(output)))
59 output = u_boot_console.run_command_list([
60 'efidebug boot next 2',
61 'efidebug test bootmgr'])
62 assert(re.search('efi_start_image[(][)] returned: 26',
64 assert(not re.search('Hello, world!', ''.join(output)))
66 with u_boot_console.log.section('Test Case 1d'):
67 # Test Case 1d, authenticated by db
68 output = u_boot_console.run_command_list([
69 'efidebug boot next 1',
71 assert(re.search('Hello, world!', ''.join(output)))
73 def test_efi_signed_image_auth2(self, u_boot_console, efi_boot_env):
75 Test Case 2 - rejected by dbx
77 u_boot_console.restart_uboot()
78 disk_img = efi_boot_env
79 with u_boot_console.log.section('Test Case 2a'):
80 # Test Case 2a, rejected by dbx
81 output = u_boot_console.run_command_list([
82 'host bind 0 %s' % disk_img,
83 'fatload host 0:1 4000000 db.auth',
84 'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx; echo',
85 'fatload host 0:1 4000000 KEK.auth',
86 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK',
87 'fatload host 0:1 4000000 PK.auth',
88 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK'])
89 assert(not re.search('Failed to set EFI variable', ''.join(output)))
90 output = u_boot_console.run_command_list([
91 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
92 'efidebug boot next 1',
94 assert(re.search('\'HELLO\' failed', ''.join(output)))
95 output = u_boot_console.run_command_list([
96 'efidebug boot next 1',
97 'efidebug test bootmgr'])
98 assert(re.search('efi_start_image[(][)] returned: 26',
100 assert(not re.search('Hello, world!', ''.join(output)))
102 with u_boot_console.log.section('Test Case 2b'):
103 # Test Case 2b, rejected by dbx even if db allows
104 output = u_boot_console.run_command_list([
105 'fatload host 0:1 4000000 db.auth',
106 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db'])
107 assert(not re.search('Failed to set EFI variable', ''.join(output)))
108 output = u_boot_console.run_command_list([
109 'efidebug boot next 1',
111 assert(re.search('\'HELLO\' failed', ''.join(output)))
112 output = u_boot_console.run_command_list([
113 'efidebug boot next 1',
114 'efidebug test bootmgr'])
115 assert(re.search('efi_start_image[(][)] returned: 26',
117 assert(not re.search('Hello, world!', ''.join(output)))