150 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			150 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Python
		
	
	
	
| # SPDX-License-Identifier:      GPL-2.0+
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| # Copyright (c) 2020, Linaro Limited
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| # Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
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| 
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| import os
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| import os.path
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| import re
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| from subprocess import call, check_call, check_output, CalledProcessError
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| import pytest
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| from capsule_defs import *
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| 
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| #
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| # Fixture for UEFI capsule test
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| #
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| 
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| @pytest.fixture(scope='session')
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| def efi_capsule_data(request, u_boot_config):
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|     """Set up a file system to be used in UEFI capsule and
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|        authentication test.
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| 
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|     Args:
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|         request: Pytest request object.
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|         u_boot_config: U-boot configuration.
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| 
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|     Return:
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|         A path to disk image to be used for testing
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|     """
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|     global CAPSULE_DATA_DIR, CAPSULE_INSTALL_DIR
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| 
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|     mnt_point = u_boot_config.persistent_data_dir + '/test_efi_capsule'
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|     data_dir = mnt_point + CAPSULE_DATA_DIR
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|     install_dir = mnt_point + CAPSULE_INSTALL_DIR
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|     image_path = u_boot_config.persistent_data_dir + '/test_efi_capsule.img'
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| 
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|     try:
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|         # Create a target device
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|         check_call('dd if=/dev/zero of=./spi.bin bs=1MiB count=16', shell=True)
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| 
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|         check_call('rm -rf %s' % mnt_point, shell=True)
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|         check_call('mkdir -p %s' % data_dir, shell=True)
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|         check_call('mkdir -p %s' % install_dir, shell=True)
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| 
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|         capsule_auth_enabled = u_boot_config.buildconfig.get(
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|                     'config_efi_capsule_authenticate')
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|         if capsule_auth_enabled:
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|             # Create private key (SIGNER.key) and certificate (SIGNER.crt)
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|             check_call('cd %s; '
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|                        'openssl req -x509 -sha256 -newkey rsa:2048 '
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|                             '-subj /CN=TEST_SIGNER/ -keyout SIGNER.key '
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|                             '-out SIGNER.crt -nodes -days 365'
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|                        % data_dir, shell=True)
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|             check_call('cd %s; %scert-to-efi-sig-list SIGNER.crt SIGNER.esl'
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|                        % (data_dir, EFITOOLS_PATH), shell=True)
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| 
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|             # Update dtb adding capsule certificate
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|             check_call('cd %s; '
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|                        'cp %s/test/py/tests/test_efi_capsule/signature.dts .'
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|                        % (data_dir, u_boot_config.source_dir), shell=True)
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|             check_call('cd %s; '
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|                        'dtc -@ -I dts -O dtb -o signature.dtbo signature.dts; '
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|                        'fdtoverlay -i %s/arch/sandbox/dts/test.dtb '
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|                             '-o test_sig.dtb signature.dtbo'
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|                        % (data_dir, u_boot_config.build_dir), shell=True)
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| 
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|             # Create *malicious* private key (SIGNER2.key) and certificate
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|             # (SIGNER2.crt)
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|             check_call('cd %s; '
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|                        'openssl req -x509 -sha256 -newkey rsa:2048 '
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|                             '-subj /CN=TEST_SIGNER/ -keyout SIGNER2.key '
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|                             '-out SIGNER2.crt -nodes -days 365'
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|                        % data_dir, shell=True)
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| 
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|         # Create capsule files
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|         # two regions: one for u-boot.bin and the other for u-boot.env
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|         check_call('cd %s; echo -n u-boot:Old > u-boot.bin.old; echo -n u-boot:New > u-boot.bin.new; echo -n u-boot-env:Old > u-boot.env.old; echo -n u-boot-env:New > u-boot.env.new' % data_dir,
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|                    shell=True)
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|         check_call('sed -e \"s?BINFILE1?u-boot.bin.new?\" -e \"s?BINFILE2?u-boot.env.new?\" %s/test/py/tests/test_efi_capsule/uboot_bin_env.its > %s/uboot_bin_env.its' %
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|                    (u_boot_config.source_dir, data_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkimage -f uboot_bin_env.its uboot_bin_env.itb' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkeficapsule --index 1 --guid 09D7CF52-0720-4710-91D1-08469B7FE9C8 u-boot.bin.new Test01' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkeficapsule --index 2 --guid 5A7021F5-FEF2-48B4-AABA-832E777418C0 u-boot.env.new Test02' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkeficapsule --index 1 --guid 058B7D83-50D5-4C47-A195-60D86AD341C4 u-boot.bin.new Test03' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkeficapsule --index 1 --guid 3673B45D-6A7C-46F3-9E60-ADABB03F7937 uboot_bin_env.itb Test04' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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|         check_call('cd %s; %s/tools/mkeficapsule --index 1 --guid  058B7D83-50D5-4C47-A195-60D86AD341C4 uboot_bin_env.itb Test05' %
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|                    (data_dir, u_boot_config.build_dir),
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|                    shell=True)
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| 
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|         if capsule_auth_enabled:
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|             # raw firmware signed with proper key
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|             check_call('cd %s; '
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|                        '%s/tools/mkeficapsule --index 1 --monotonic-count 1 '
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|                             '--private-key SIGNER.key --certificate SIGNER.crt '
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|                             '--guid 09D7CF52-0720-4710-91D1-08469B7FE9C8 '
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|                             'u-boot.bin.new Test11'
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|                        % (data_dir, u_boot_config.build_dir),
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|                        shell=True)
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|             # raw firmware signed with *mal* key
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|             check_call('cd %s; '
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|                        '%s/tools/mkeficapsule --index 1 --monotonic-count 1 '
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|                             '--private-key SIGNER2.key '
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|                             '--certificate SIGNER2.crt '
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|                             '--guid 09D7CF52-0720-4710-91D1-08469B7FE9C8 '
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|                             'u-boot.bin.new Test12'
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|                        % (data_dir, u_boot_config.build_dir),
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|                        shell=True)
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|             # FIT firmware signed with proper key
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|             check_call('cd %s; '
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|                        '%s/tools/mkeficapsule --index 1 --monotonic-count 1 '
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|                             '--private-key SIGNER.key --certificate SIGNER.crt '
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|                             '--guid 3673B45D-6A7C-46F3-9E60-ADABB03F7937 '
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|                             'uboot_bin_env.itb Test13'
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|                        % (data_dir, u_boot_config.build_dir),
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|                        shell=True)
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|             # FIT firmware signed with *mal* key
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|             check_call('cd %s; '
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|                        '%s/tools/mkeficapsule --index 1 --monotonic-count 1 '
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|                             '--private-key SIGNER2.key '
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|                             '--certificate SIGNER2.crt '
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|                             '--guid 3673B45D-6A7C-46F3-9E60-ADABB03F7937 '
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|                             'uboot_bin_env.itb Test14'
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|                        % (data_dir, u_boot_config.build_dir),
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|                        shell=True)
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| 
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|         # Create a disk image with EFI system partition
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|         check_call('virt-make-fs --partition=gpt --size=+1M --type=vfat %s %s' %
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|                    (mnt_point, image_path), shell=True)
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|         check_call('sgdisk %s -A 1:set:0 -t 1:C12A7328-F81F-11D2-BA4B-00A0C93EC93B' %
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|                    image_path, shell=True)
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| 
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|     except CalledProcessError as exception:
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|         pytest.skip('Setup failed: %s' % exception.cmd)
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|         return
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|     else:
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|         yield image_path
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|     finally:
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|         call('rm -rf %s' % mnt_point, shell=True)
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|         call('rm -f %s' % image_path, shell=True)
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|         call('rm -f ./spi.bin', shell=True)
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