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/*
* Copyright (C) 2018 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 "TestHelpers.h"
#include "android-base/stringprintf.h"
#include "gtest/gtest.h"
#include "idmap2/FileUtils.h"
#include "private/android_filesystem_config.h"
namespace android::idmap2::utils {
#ifdef __ANDROID__
TEST(FileUtilsTests, UidHasWriteAccessToPath) {
constexpr const char* tmp_path = "/data/local/tmp/test@idmap";
const std::string cache_path(base::StringPrintf("%s/test@idmap", kIdmapCacheDir));
const std::string sneaky_cache_path(base::StringPrintf("/data/../%s/test@idmap", kIdmapCacheDir));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_ROOT, tmp_path));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_ROOT, cache_path));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_ROOT, sneaky_cache_path));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_SYSTEM, tmp_path));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_SYSTEM, cache_path));
ASSERT_TRUE(UidHasWriteAccessToPath(AID_SYSTEM, sneaky_cache_path));
constexpr const uid_t AID_SOME_APP = AID_SYSTEM + 1;
ASSERT_TRUE(UidHasWriteAccessToPath(AID_SOME_APP, tmp_path));
ASSERT_FALSE(UidHasWriteAccessToPath(AID_SOME_APP, cache_path));
ASSERT_FALSE(UidHasWriteAccessToPath(AID_SOME_APP, sneaky_cache_path));
}
#endif
} // namespace android::idmap2::utils
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