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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <android-base/file.h>
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
#include <update_verifier/update_verifier.h>
class UpdateVerifierTest : public ::testing::Test {
protected:
void SetUp() override {
#if defined(PRODUCT_SUPPORTS_VERITY) || defined(BOARD_AVB_ENABLE)
verity_supported = true;
#else
verity_supported = false;
#endif
}
bool verity_supported;
};
TEST_F(UpdateVerifierTest, verify_image_no_care_map) {
// Non-existing care_map is allowed.
ASSERT_TRUE(verify_image("/doesntexist"));
}
TEST_F(UpdateVerifierTest, verify_image_smoke) {
// This test relies on dm-verity support.
if (!verity_supported) {
GTEST_LOG_(INFO) << "Test skipped on devices without dm-verity support.";
return;
}
TemporaryFile temp_file;
std::string content = "system\n2,0,1";
ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path));
ASSERT_TRUE(verify_image(temp_file.path));
// Leading and trailing newlines should be accepted.
ASSERT_TRUE(android::base::WriteStringToFile("\n" + content + "\n\n", temp_file.path));
ASSERT_TRUE(verify_image(temp_file.path));
}
TEST_F(UpdateVerifierTest, verify_image_wrong_lines) {
// The care map file can have only 2 / 4 / 6 lines.
TemporaryFile temp_file;
ASSERT_FALSE(verify_image(temp_file.path));
ASSERT_TRUE(android::base::WriteStringToFile("line1", temp_file.path));
ASSERT_FALSE(verify_image(temp_file.path));
ASSERT_TRUE(android::base::WriteStringToFile("line1\nline2\nline3", temp_file.path));
ASSERT_FALSE(verify_image(temp_file.path));
}
TEST_F(UpdateVerifierTest, verify_image_malformed_care_map) {
// This test relies on dm-verity support.
if (!verity_supported) {
GTEST_LOG_(INFO) << "Test skipped on devices without dm-verity support.";
return;
}
TemporaryFile temp_file;
std::string content = "system\n2,1,0";
ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path));
ASSERT_FALSE(verify_image(temp_file.path));
}
TEST_F(UpdateVerifierTest, verify_image_legacy_care_map) {
// This test relies on dm-verity support.
if (!verity_supported) {
GTEST_LOG_(INFO) << "Test skipped on devices without dm-verity support.";
return;
}
TemporaryFile temp_file;
std::string content = "/dev/block/bootdevice/by-name/system\n2,1,0";
ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path));
ASSERT_TRUE(verify_image(temp_file.path));
}
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