mirror of
https://github.com/u-boot/u-boot.git
synced 2025-04-17 10:24:49 +00:00
7bf75f3e36
The problem with using "virt-make-fs" to make a filesystem image is that it is extremely slow. Switch to using the fs_helper functions we have instead from the filesystem tests as these can add files to images and are significantly faster and still do not require root access. Signed-off-by: Tom Rini <trini@konsulko.com>
252 lines
14 KiB
Python
252 lines
14 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
|
|
# Copyright (c) 2019, Linaro Limited
|
|
# Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
|
|
|
|
"""Fixture for UEFI secure boot test."""
|
|
|
|
from subprocess import call, check_call, CalledProcessError
|
|
from tests import fs_helper
|
|
import pytest
|
|
from defs import *
|
|
|
|
@pytest.fixture(scope='function')
|
|
def efi_boot_env(request, ubman):
|
|
"""Set up a file system to be used in UEFI secure boot test.
|
|
|
|
Args:
|
|
request: Pytest request object.
|
|
ubman: U-Boot configuration.
|
|
|
|
Return:
|
|
A path to disk image to be used for testing
|
|
"""
|
|
|
|
try:
|
|
image_path, mnt_point = fs_helper.setup_image(ubman, 0, 0xc,
|
|
basename='test_efi_secboot')
|
|
|
|
# suffix
|
|
# *.key: RSA private key in PEM
|
|
# *.crt: X509 certificate (self-signed) in PEM
|
|
# *.esl: signature list
|
|
# *.hash: message digest of image as signature list
|
|
# *.auth: signed signature list in signature database format
|
|
# *.efi: UEFI image
|
|
# *.efi.signed: signed UEFI image
|
|
|
|
# Create signature database
|
|
# PK
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_PK/ -keyout PK.key -out PK.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s PK.crt PK.esl; %ssign-efi-sig-list -t "2020-04-01" -c PK.crt -k PK.key PK PK.esl PK.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# PK_null for deletion
|
|
check_call('cd %s; touch PK_null.esl; %ssign-efi-sig-list -t "2020-04-02" -c PK.crt -k PK.key PK PK_null.esl PK_null.auth'
|
|
% (mnt_point, EFITOOLS_PATH), shell=True)
|
|
# KEK
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_KEK/ -keyout KEK.key -out KEK.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s KEK.crt KEK.esl; %ssign-efi-sig-list -t "2020-04-03" -c PK.crt -k PK.key KEK KEK.esl KEK.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# db
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_db/ -keyout db.key -out db.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s db.crt db.esl; %ssign-efi-sig-list -t "2020-04-04" -c KEK.crt -k KEK.key db db.esl db.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# db1
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_db1/ -keyout db1.key -out db1.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s db1.crt db1.esl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key db db1.esl db1.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# db2 (APPEND_WRITE)
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_db2/ -keyout db2.key -out db2.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s db2.crt db2.esl; %ssign-efi-sig-list -a -c KEK.crt -k KEK.key db db2.esl db2.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# dbx (TEST_dbx certificate)
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_dbx/ -keyout dbx.key -out dbx.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s dbx.crt dbx.esl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx dbx.esl dbx.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# dbx_hash (digest of TEST_db certificate)
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -s 256 db.crt dbx_hash.crl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx dbx_hash.crl dbx_hash.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -s 384 db.crt dbx_hash384.crl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx dbx_hash384.crl dbx_hash384.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -s 512 db.crt dbx_hash512.crl; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx dbx_hash512.crl dbx_hash512.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# dbx_hash1 (digest of TEST_db1 certificate)
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -s 256 db1.crt dbx_hash1.crl; %ssign-efi-sig-list -t "2020-04-06" -c KEK.crt -k KEK.key dbx dbx_hash1.crl dbx_hash1.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# dbx_hash2 (digest of TEST_db2 certificate, with APPEND_WRITE)
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -s 256 db2.crt dbx_hash2.crl; %ssign-efi-sig-list -a -c KEK.crt -k KEK.key dbx dbx_hash2.crl dbx_hash2.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# dbx_db (with TEST_db certificate)
|
|
check_call('cd %s; %ssign-efi-sig-list -t "2020-04-05" -c KEK.crt -k KEK.key dbx db.esl dbx_db.auth'
|
|
% (mnt_point, EFITOOLS_PATH),
|
|
shell=True)
|
|
|
|
# Copy image
|
|
check_call('cp %s/lib/efi_loader/helloworld.efi %s' %
|
|
(ubman.config.build_dir, mnt_point), shell=True)
|
|
|
|
# Sign image
|
|
check_call('cd %s; sbsign --key db.key --cert db.crt helloworld.efi'
|
|
% mnt_point, shell=True)
|
|
# Sign already-signed image with another key
|
|
check_call('cd %s; sbsign --key db1.key --cert db1.crt --output helloworld.efi.signed_2sigs helloworld.efi.signed'
|
|
% mnt_point, shell=True)
|
|
# Create a corrupted signed image
|
|
check_call('cd %s; sh %s/test/py/tests/test_efi_secboot/forge_image.sh helloworld.efi.signed helloworld_forged.efi.signed'
|
|
% (mnt_point, ubman.config.source_dir), shell=True)
|
|
# Digest image
|
|
check_call('cd %s; %shash-to-efi-sig-list helloworld.efi db_hello.hash; %ssign-efi-sig-list -t "2020-04-07" -c KEK.crt -k KEK.key db db_hello.hash db_hello.auth'
|
|
% (mnt_point, EFITOOLS_PATH, EFITOOLS_PATH),
|
|
shell=True)
|
|
check_call('cd %s; %shash-to-efi-sig-list helloworld.efi.signed db_hello_signed.hash; %ssign-efi-sig-list -t "2020-04-03" -c KEK.crt -k KEK.key db db_hello_signed.hash db_hello_signed.auth'
|
|
% (mnt_point, EFITOOLS_PATH, EFITOOLS_PATH),
|
|
shell=True)
|
|
check_call('cd %s; %ssign-efi-sig-list -t "2020-04-07" -c KEK.crt -k KEK.key dbx db_hello_signed.hash dbx_hello_signed.auth'
|
|
% (mnt_point, EFITOOLS_PATH),
|
|
shell=True)
|
|
|
|
fsfile = fs_helper.mk_fs(ubman.config, 'vfat', 0x1000000,
|
|
'test_efi_secboot', mnt_point)
|
|
check_call(f'dd if={fsfile} of={image_path} bs=1M seek=1', shell=True)
|
|
|
|
except CalledProcessError as exception:
|
|
pytest.skip('Setup failed: %s' % exception.cmd)
|
|
return
|
|
else:
|
|
yield image_path
|
|
finally:
|
|
call('rm -rf %s' % mnt_point, shell=True)
|
|
call('rm -f %s %s' % (image_path, fsfile), shell=True)
|
|
|
|
#
|
|
# Fixture for UEFI secure boot test of intermediate certificates
|
|
#
|
|
|
|
|
|
@pytest.fixture(scope='function')
|
|
def efi_boot_env_intca(request, ubman):
|
|
"""Set up file system for secure boot test.
|
|
|
|
Set up a file system to be used in UEFI secure boot test
|
|
of intermediate certificates.
|
|
|
|
Args:
|
|
request: Pytest request object.
|
|
ubman: U-Boot configuration.
|
|
|
|
Return:
|
|
A path to disk image to be used for testing
|
|
"""
|
|
|
|
try:
|
|
image_path, mnt_point = fs_helper.setup_image(ubman, 0, 0xc,
|
|
basename='test_efi_secboot_intca')
|
|
|
|
# Create signature database
|
|
# PK
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_PK/ -keyout PK.key -out PK.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s PK.crt PK.esl; %ssign-efi-sig-list -c PK.crt -k PK.key PK PK.esl PK.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# KEK
|
|
check_call('cd %s; openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=TEST_KEK/ -keyout KEK.key -out KEK.crt -nodes -days 365'
|
|
% mnt_point, shell=True)
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s KEK.crt KEK.esl; %ssign-efi-sig-list -c PK.crt -k PK.key KEK KEK.esl KEK.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
|
|
# We will have three-tier hierarchy of certificates:
|
|
# TestRoot: Root CA (self-signed)
|
|
# TestSub: Intermediate CA (signed by Root CA)
|
|
# TestCert: User certificate (signed by Intermediate CA, and used
|
|
# for signing an image)
|
|
#
|
|
# NOTE:
|
|
# I consulted the following EDK2 document for certificate options:
|
|
# BaseTools/Source/Python/Pkcs7Sign/Readme.md
|
|
# Please not use them as they are in product system. They are
|
|
# for test purpose only.
|
|
|
|
# TestRoot
|
|
check_call('cp %s/test/py/tests/test_efi_secboot/openssl.cnf %s'
|
|
% (ubman.config.source_dir, mnt_point), shell=True)
|
|
check_call('cd %s; export OPENSSL_CONF=./openssl.cnf; openssl genrsa -out TestRoot.key 2048; openssl req -extensions v3_ca -new -x509 -days 365 -key TestRoot.key -out TestRoot.crt -subj "/CN=TEST_root/"; touch index.txt; touch index.txt.attr'
|
|
% mnt_point, shell=True)
|
|
# TestSub
|
|
check_call('cd %s; touch serial.new; export OPENSSL_CONF=./openssl.cnf; openssl genrsa -out TestSub.key 2048; openssl req -new -key TestSub.key -out TestSub.csr -subj "/CN=TEST_sub/"; openssl ca -in TestSub.csr -out TestSub.crt -extensions v3_int_ca -days 365 -batch -rand_serial -cert TestRoot.crt -keyfile TestRoot.key'
|
|
% mnt_point, shell=True)
|
|
# TestCert
|
|
check_call('cd %s; touch serial.new; export OPENSSL_CONF=./openssl.cnf; openssl genrsa -out TestCert.key 2048; openssl req -new -key TestCert.key -out TestCert.csr -subj "/CN=TEST_cert/"; openssl ca -in TestCert.csr -out TestCert.crt -extensions usr_cert -days 365 -batch -rand_serial -cert TestSub.crt -keyfile TestSub.key'
|
|
% mnt_point, shell=True)
|
|
# db
|
|
# for TestCert
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s TestCert.crt TestCert.esl; %ssign-efi-sig-list -c KEK.crt -k KEK.key db TestCert.esl db_a.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# for TestSub
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s TestSub.crt TestSub.esl; %ssign-efi-sig-list -t "2020-07-16" -c KEK.crt -k KEK.key db TestSub.esl db_b.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# for TestRoot
|
|
check_call('cd %s; %scert-to-efi-sig-list -g %s TestRoot.crt TestRoot.esl; %ssign-efi-sig-list -t "2020-07-17" -c KEK.crt -k KEK.key db TestRoot.esl db_c.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
## dbx (hash of certificate with revocation time)
|
|
# for TestCert
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -t "2020-07-20" -s 256 TestCert.crt TestCert.crl; %ssign-efi-sig-list -c KEK.crt -k KEK.key dbx TestCert.crl dbx_a.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# for TestSub
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -t "2020-07-21" -s 256 TestSub.crt TestSub.crl; %ssign-efi-sig-list -t "2020-07-18" -c KEK.crt -k KEK.key dbx TestSub.crl dbx_b.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
# for TestRoot
|
|
check_call('cd %s; %scert-to-efi-hash-list -g %s -t "2020-07-22" -s 256 TestRoot.crt TestRoot.crl; %ssign-efi-sig-list -t "2020-07-19" -c KEK.crt -k KEK.key dbx TestRoot.crl dbx_c.auth'
|
|
% (mnt_point, EFITOOLS_PATH, GUID, EFITOOLS_PATH),
|
|
shell=True)
|
|
|
|
# Sign image
|
|
# additional intermediate certificates may be included
|
|
# in SignedData
|
|
|
|
check_call('cp %s/lib/efi_loader/helloworld.efi %s' %
|
|
(ubman.config.build_dir, mnt_point), shell=True)
|
|
# signed by TestCert
|
|
check_call('cd %s; %ssbsign --key TestCert.key --cert TestCert.crt --out helloworld.efi.signed_a helloworld.efi'
|
|
% (mnt_point, SBSIGN_PATH), shell=True)
|
|
# signed by TestCert with TestSub in signature
|
|
check_call('cd %s; %ssbsign --key TestCert.key --cert TestCert.crt --addcert TestSub.crt --out helloworld.efi.signed_ab helloworld.efi'
|
|
% (mnt_point, SBSIGN_PATH), shell=True)
|
|
# signed by TestCert with TestSub and TestRoot in signature
|
|
check_call('cd %s; cat TestSub.crt TestRoot.crt > TestSubRoot.crt; %ssbsign --key TestCert.key --cert TestCert.crt --addcert TestSubRoot.crt --out helloworld.efi.signed_abc helloworld.efi'
|
|
% (mnt_point, SBSIGN_PATH), shell=True)
|
|
|
|
fsfile = fs_helper.mk_fs(ubman.config, 'vfat', 0x1000000,
|
|
'test_efi_secboot_intca', mnt_point)
|
|
check_call(f'dd if={fsfile} of={image_path} bs=1M seek=1', shell=True)
|
|
|
|
except CalledProcessError as e:
|
|
pytest.skip('Setup failed: %s' % e.cmd)
|
|
return
|
|
else:
|
|
yield image_path
|
|
finally:
|
|
call('rm -rf %s' % mnt_point, shell=True)
|
|
call('rm -f %s %s' % (image_path, fsfile), shell=True)
|