207 lines
8.3 KiB
Python
207 lines
8.3 KiB
Python
#
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# Copyright (C) 2019 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import re
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import os
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import os.path
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import shutil
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import zipfile
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import apex_utils
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import common
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import test_utils
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class ApexUtilsTest(test_utils.ReleaseToolsTestCase):
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# echo "foo" | sha256sum
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SALT = 'b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c'
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def setUp(self):
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self.testdata_dir = test_utils.get_testdata_dir()
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# The default payload signing key.
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self.payload_key = os.path.join(self.testdata_dir, 'testkey.key')
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self.apex_with_apk = os.path.join(self.testdata_dir, 'has_apk.apex')
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common.OPTIONS.search_path = test_utils.get_search_path()
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@staticmethod
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def _GetTestPayload():
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payload_file = common.MakeTempFile(prefix='apex-', suffix='.img')
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with open(payload_file, 'wb') as payload_fp:
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payload_fp.write(os.urandom(8192))
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return payload_file
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ParseApexPayloadInfo(self):
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payload_file = self._GetTestPayload()
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apex_utils.SignApexPayload(
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'avbtool', payload_file, self.payload_key, 'testkey', 'SHA256_RSA2048',
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self.SALT, 'sha256', no_hashtree=True)
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payload_info = apex_utils.ParseApexPayloadInfo('avbtool', payload_file)
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self.assertEqual('SHA256_RSA2048', payload_info['Algorithm'])
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self.assertEqual(self.SALT, payload_info['Salt'])
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self.assertEqual('testkey', payload_info['apex.key'])
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self.assertEqual('sha256', payload_info['Hash Algorithm'])
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self.assertEqual('0 bytes', payload_info['Tree Size'])
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_SignApexPayload(self):
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payload_file = self._GetTestPayload()
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apex_utils.SignApexPayload(
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'avbtool', payload_file, self.payload_key, 'testkey', 'SHA256_RSA2048',
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self.SALT, 'sha256', no_hashtree=True)
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apex_utils.VerifyApexPayload(
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'avbtool', payload_file, self.payload_key, True)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_SignApexPayload_withHashtree(self):
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payload_file = self._GetTestPayload()
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apex_utils.SignApexPayload(
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'avbtool', payload_file, self.payload_key, 'testkey', 'SHA256_RSA2048',
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self.SALT, 'sha256', no_hashtree=False)
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apex_utils.VerifyApexPayload('avbtool', payload_file, self.payload_key)
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payload_info = apex_utils.ParseApexPayloadInfo('avbtool', payload_file)
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self.assertEqual('4096 bytes', payload_info['Tree Size'])
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_SignApexPayload_noHashtree(self):
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payload_file = self._GetTestPayload()
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apex_utils.SignApexPayload(
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'avbtool', payload_file, self.payload_key, 'testkey', 'SHA256_RSA2048',
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self.SALT, 'sha256', no_hashtree=True)
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apex_utils.VerifyApexPayload('avbtool', payload_file, self.payload_key,
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no_hashtree=True)
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payload_info = apex_utils.ParseApexPayloadInfo('avbtool', payload_file)
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self.assertEqual('0 bytes', payload_info['Tree Size'])
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_SignApexPayload_withSignerHelper(self):
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payload_file = self._GetTestPayload()
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signing_helper = os.path.join(self.testdata_dir, 'signing_helper.sh')
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os.chmod(signing_helper, 0o700)
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payload_signer_args = '--signing_helper_with_files {}'.format(
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signing_helper)
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apex_utils.SignApexPayload(
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'avbtool',
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payload_file,
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self.payload_key,
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'testkey', 'SHA256_RSA2048', self.SALT, 'sha256',
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True,
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payload_signer_args)
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apex_utils.VerifyApexPayload(
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'avbtool', payload_file, self.payload_key, True)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_SignApexPayload_invalidKey(self):
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self.assertRaises(
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apex_utils.ApexSigningError,
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apex_utils.SignApexPayload,
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'avbtool',
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self._GetTestPayload(),
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os.path.join(self.testdata_dir, 'testkey.x509.pem'),
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'testkey',
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'SHA256_RSA2048',
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self.SALT,
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'sha256',
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no_hashtree=True)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_VerifyApexPayload_wrongKey(self):
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payload_file = self._GetTestPayload()
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apex_utils.SignApexPayload(
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'avbtool', payload_file, self.payload_key, 'testkey', 'SHA256_RSA2048',
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self.SALT, 'sha256', True)
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apex_utils.VerifyApexPayload(
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'avbtool', payload_file, self.payload_key, True)
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self.assertRaises(
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apex_utils.ApexSigningError,
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apex_utils.VerifyApexPayload,
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'avbtool',
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payload_file,
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os.path.join(self.testdata_dir, 'testkey_with_passwd.key'),
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no_hashtree=True)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ApexApkSigner_noApkPresent(self):
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apex_path = os.path.join(self.testdata_dir, 'foo.apex')
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signer = apex_utils.ApexApkSigner(apex_path, None, None)
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processed_apex = signer.ProcessApexFile({}, self.payload_key)
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self.assertEqual(apex_path, processed_apex)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ApexApkSigner_apkKeyNotPresent(self):
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apex_path = common.MakeTempFile(suffix='.apex')
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shutil.copy(self.apex_with_apk, apex_path)
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signer = apex_utils.ApexApkSigner(apex_path, None, None)
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self.assertRaises(apex_utils.ApexSigningError, signer.ProcessApexFile,
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{}, self.payload_key)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ApexApkSigner_signApk(self):
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apex_path = common.MakeTempFile(suffix='.apex')
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shutil.copy(self.apex_with_apk, apex_path)
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signer = apex_utils.ApexApkSigner(apex_path, None, None)
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apk_keys = {'wifi-service-resources.apk': os.path.join(
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self.testdata_dir, 'testkey')}
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self.payload_key = os.path.join(self.testdata_dir, 'testkey_RSA4096.key')
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apex_file = signer.ProcessApexFile(apk_keys, self.payload_key)
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package_name_extract_cmd = ['aapt2', 'dump', 'badging', apex_file]
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output = common.RunAndCheckOutput(package_name_extract_cmd)
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for line in output.splitlines():
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# Sample output from aapt: "package: name='com.google.android.wifi'
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# versionCode='1' versionName='' platformBuildVersionName='R'
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# compileSdkVersion='29' compileSdkVersionCodename='R'"
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match = re.search(r"^package:.* name='([\w|\.]+)'", line, re.IGNORECASE)
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if match:
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package_name = match.group(1)
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self.assertEquals('com.google.android.wifi', package_name)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ApexApkSigner_noAssetDir(self):
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no_asset = common.MakeTempFile(suffix='.apex')
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with zipfile.ZipFile(no_asset, 'w', allowZip64=True) as output_zip:
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with zipfile.ZipFile(self.apex_with_apk, 'r', allowZip64=True) as input_zip:
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name_list = input_zip.namelist()
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for name in name_list:
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if not name.startswith('assets'):
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output_zip.writestr(name, input_zip.read(name))
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signer = apex_utils.ApexApkSigner(no_asset, None, None)
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apk_keys = {'wifi-service-resources.apk': os.path.join(
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self.testdata_dir, 'testkey')}
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self.payload_key = os.path.join(self.testdata_dir, 'testkey_RSA4096.key')
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signer.ProcessApexFile(apk_keys, self.payload_key)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_ApexApkSigner_invokesCustomSignTool(self):
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apex_path = common.MakeTempFile(suffix='.apex')
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shutil.copy(self.apex_with_apk, apex_path)
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apk_keys = {'wifi-service-resources.apk': os.path.join(
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self.testdata_dir, 'testkey')}
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self.payload_key = os.path.join(self.testdata_dir, 'testkey_RSA4096.key')
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# pass `false` as a sign_tool to see the invocation error
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with self.assertRaises(common.ExternalError) as cm:
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signer = apex_utils.ApexApkSigner(
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apex_path, None, None, sign_tool='false')
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signer.ProcessApexFile(apk_keys, self.payload_key)
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the_exception = cm.exception
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self.assertIn('Failed to run command \'[\'false\'', str(the_exception))
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