| /* |
| * 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 <dirent.h> |
| #include <set> |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| #include "android-base/macros.h" |
| #include "android-base/stringprintf.h" |
| #include "private/android_filesystem_config.h" |
| |
| #include "idmap2/FileUtils.h" |
| |
| #include "TestHelpers.h" |
| |
| using ::testing::NotNull; |
| |
| namespace android::idmap2::utils { |
| |
| TEST(FileUtilsTests, FindFilesFindEverythingNonRecursive) { |
| const auto& root = GetTestDataPath(); |
| auto v = utils::FindFiles(root, false, |
| [](unsigned char type ATTRIBUTE_UNUSED, |
| const std::string& path ATTRIBUTE_UNUSED) -> bool { return true; }); |
| ASSERT_THAT(v, NotNull()); |
| ASSERT_EQ(v->size(), 6U); |
| ASSERT_EQ(std::set<std::string>(v->begin(), v->end()), |
| std::set<std::string>({root + "/.", root + "/..", root + "/overlay", root + "/target", |
| root + "/system-overlay", root + "/system-overlay-invalid"})); |
| } |
| |
| TEST(FileUtilsTests, FindFilesFindApkFilesRecursive) { |
| const auto& root = GetTestDataPath(); |
| auto v = utils::FindFiles(root, true, [](unsigned char type, const std::string& path) -> bool { |
| return type == DT_REG && path.size() > 4 && path.compare(path.size() - 4, 4, ".apk") == 0; |
| }); |
| ASSERT_THAT(v, NotNull()); |
| ASSERT_EQ(v->size(), 6U); |
| ASSERT_EQ(std::set<std::string>(v->begin(), v->end()), |
| std::set<std::string>({root + "/target/target.apk", root + "/overlay/overlay.apk", |
| root + "/overlay/overlay-static-1.apk", |
| root + "/overlay/overlay-static-2.apk", |
| root + "/system-overlay/system-overlay.apk", |
| root + "/system-overlay-invalid/system-overlay-invalid.apk"})); |
| } |
| |
| TEST(FileUtilsTests, ReadFile) { |
| int pipefd[2]; |
| ASSERT_EQ(pipe(pipefd), 0); |
| |
| ASSERT_EQ(write(pipefd[1], "foobar", 6), 6); |
| close(pipefd[1]); |
| |
| auto data = ReadFile(pipefd[0]); |
| ASSERT_THAT(data, NotNull()); |
| ASSERT_EQ(*data, "foobar"); |
| close(pipefd[0]); |
| } |
| |
| #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 |