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/*
* Copyright (C) 2021 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 <filesystem>
#include <android-base/properties.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <kver/kernel_release.h>
#include <vintf/VintfObject.h>
#include <vintf/parse_string.h>
#include "ramdisk_utils.h"
using android::base::GetBoolProperty;
using android::base::GetProperty;
using android::kver::KernelRelease;
using android::vintf::RuntimeInfo;
using android::vintf::Version;
using android::vintf::VintfObject;
using testing::IsSupersetOf;
class GenericBootImageTest : public testing::Test {
public:
void SetUp() override {
auto vintf = VintfObject::GetInstance();
ASSERT_NE(nullptr, vintf);
runtime_info = vintf->getRuntimeInfo(RuntimeInfo::FetchFlag::CPU_VERSION);
ASSERT_NE(nullptr, runtime_info);
}
std::shared_ptr<const RuntimeInfo> runtime_info;
};
TEST_F(GenericBootImageTest, KernelReleaseFormat) {
// On "GKI 2.0" with 5.10+ kernels, VTS runs once with the device kernel,
// so this test is meaningful.
if (runtime_info->kernelVersion().dropMinor() < Version{5, 10}) {
GTEST_SKIP() << "Exempt generic kernel image (GKI) test on kernel "
<< runtime_info->kernelVersion()
<< ". Only required on 5.10+.";
}
const std::string& release = runtime_info->osRelease();
ASSERT_TRUE(
KernelRelease::Parse(release, true /* allow_suffix */).has_value())
<< "Kernel release '" << release
<< "' does not have generic kernel image (GKI) release format. It must "
"match this regex:\n"
<< R"(^(?P<w>\d+)[.](?P<x>\d+)[.](?P<y>\d+)-(?P<z>android\d+)-(?P<k>\d+).*$)"
<< "\nExample: 5.4.42-android12-0-something";
}
TEST_F(GenericBootImageTest, GenericRamdisk) {
// On "GKI 2.0" with 5.10+ kernels, VTS runs once with the device kernel,
// so this test is meaningful.
if (runtime_info->kernelVersion().dropMinor() < Version{5, 10}) {
GTEST_SKIP() << "Exempt generic ramdisk test on kernel "
<< runtime_info->kernelVersion()
<< ". Only required on 5.10+.";
}
using std::filesystem::recursive_directory_iterator;
std::string slot_suffix = GetProperty("ro.boot.slot_suffix", "");
std::string boot_path = "/dev/block/by-name/boot" + slot_suffix;
if (0 != access(boot_path.c_str(), F_OK)) {
int saved_errno = errno;
FAIL() << "Can't access " << boot_path << ": " << strerror(saved_errno);
}
auto extracted_ramdisk = android::ExtractRamdiskToDirectory(boot_path);
ASSERT_RESULT_OK(extracted_ramdisk);
std::set<std::string> actual_files;
std::filesystem::path extracted_ramdisk_path((*extracted_ramdisk)->path);
for (auto& p : recursive_directory_iterator(extracted_ramdisk_path)) {
if (p.is_directory()) continue;
EXPECT_TRUE(p.is_regular_file())
<< "Unexpected non-regular file " << p.path();
auto rel_path = p.path().lexically_relative(extracted_ramdisk_path);
actual_files.insert(rel_path.string());
}
std::set<std::string> generic_ramdisk_allowlist{
"init",
"system/etc/ramdisk/build.prop",
};
if (GetBoolProperty("ro.debuggable", false)) {
EXPECT_THAT(actual_files, IsSupersetOf(generic_ramdisk_allowlist))
<< "Missing files required by non-debuggable generic ramdisk.";
std::set<std::string> debuggable_allowlist{
"adb_debug.prop",
"force_debuggable",
"userdebug_plat_sepolicy.cil",
};
generic_ramdisk_allowlist.insert(debuggable_allowlist.begin(),
debuggable_allowlist.end());
EXPECT_THAT(generic_ramdisk_allowlist, IsSupersetOf(actual_files))
<< "Contains files disallowed by debuggable generic ramdisk";
} else {
EXPECT_EQ(actual_files, generic_ramdisk_allowlist);
}
}