more normalized path fix (103ba1db) · Commits · e / os / android_frameworks_base

services/incremental/IncrementalService.cpp

+41 −27

Original line number	Diff line number	Diff line
		@@ -617,15 +617,7 @@ int IncrementalService::bind(StorageId storage, std::string_view source, std::st
		if (storageInfo == ifs->storages.end()) {
		return -EINVAL;
		}
		std::string normSource;
		if (path::isAbsolute(source)) {
		normSource = path::normalize(source);
		} else {
		normSource = path::normalize(path::join(storageInfo->second.name, source));
		}
		if (!path::startsWith(normSource, storageInfo->second.name)) {
		return -EINVAL;
		}
		std::string normSource = normalizePathToStorage(ifs, storage, source);
		l.unlock();
		std::unique_lock l2(mLock, std::defer_lock);
		return addBindMount(*ifs, storage, storageInfo->second.name, std::move(normSource),
		@@ -674,12 +666,11 @@ int IncrementalService::unbind(StorageId storage, std::string_view target) {
		return 0;
		}

		int IncrementalService::makeFile(StorageId storage, std::string_view path, int mode, FileId id,
		incfs::NewFileParams params) {
		if (auto ifs = getIfs(storage)) {
		std::string IncrementalService::normalizePathToStorage(const IncrementalService::IfsMountPtr ifs,
		StorageId storage, std::string_view path) {
		const auto storageInfo = ifs->storages.find(storage);
		if (storageInfo == ifs->storages.end()) {
		return -EINVAL;
		return {};
		}
		std::string normPath;
		if (path::isAbsolute(path)) {
		@@ -688,6 +679,16 @@ int IncrementalService::makeFile(StorageId storage, std::string_view path, int m
		normPath = path::normalize(path::join(storageInfo->second.name, path));
		}
		if (!path::startsWith(normPath, storageInfo->second.name)) {
		return {};
		}
		return normPath;
		}

		int IncrementalService::makeFile(StorageId storage, std::string_view path, int mode, FileId id,
		incfs::NewFileParams params) {
		if (auto ifs = getIfs(storage)) {
		std::string normPath = normalizePathToStorage(ifs, storage, path);
		if (normPath.empty()) {
		return -EINVAL;
		}
		auto err = mIncFs->makeFile(ifs->control, normPath, mode, id, params);
		@@ -706,7 +707,11 @@ int IncrementalService::makeFile(StorageId storage, std::string_view path, int m

		int IncrementalService::makeDir(StorageId storageId, std::string_view path, int mode) {
		if (auto ifs = getIfs(storageId)) {
		return mIncFs->makeDir(ifs->control, path, mode);
		std::string normPath = normalizePathToStorage(ifs, storageId, path);
		if (normPath.empty()) {
		return -EINVAL;
		}
		return mIncFs->makeDir(ifs->control, normPath, mode);
		}
		return -EINVAL;
		}
		@@ -716,31 +721,40 @@ int IncrementalService::makeDirs(StorageId storageId, std::string_view path, int
		if (!ifs) {
		return -EINVAL;
		}

		auto err = mIncFs->makeDir(ifs->control, path, mode);
		std::string normPath = normalizePathToStorage(ifs, storageId, path);
		if (normPath.empty()) {
		return -EINVAL;
		}
		auto err = mIncFs->makeDir(ifs->control, normPath, mode);
		if (err == -EEXIST) {
		return 0;
		} else if (err != -ENOENT) {
		return err;
		}
		if (auto err = makeDirs(storageId, path::dirname(path), mode)) {
		if (auto err = makeDirs(storageId, path::dirname(normPath), mode)) {
		return err;
		}
		return mIncFs->makeDir(ifs->control, path, mode);
		return mIncFs->makeDir(ifs->control, normPath, mode);
		}

		int IncrementalService::link(StorageId sourceStorageId, std::string_view oldPath,
		StorageId destStorageId, std::string_view newPath) {
		if (auto ifsSrc = getIfs(sourceStorageId), ifsDest = getIfs(destStorageId);
		ifsSrc && ifsSrc == ifsDest) {
		return mIncFs->link(ifsSrc->control, oldPath, newPath);
		std::string normOldPath = normalizePathToStorage(ifsSrc, sourceStorageId, oldPath);
		std::string normNewPath = normalizePathToStorage(ifsDest, destStorageId, newPath);
		if (normOldPath.empty() \|\| normNewPath.empty()) {
		return -EINVAL;
		}
		return mIncFs->link(ifsSrc->control, normOldPath, normNewPath);
		}
		return -EINVAL;
		}

		int IncrementalService::unlink(StorageId storage, std::string_view path) {
		if (auto ifs = getIfs(storage)) {
		return mIncFs->unlink(ifs->control, path);
		std::string normOldPath = normalizePathToStorage(ifs, storage, path);
		return mIncFs->unlink(ifs->control, normOldPath);
		}
		return -EINVAL;
		}

services/incremental/IncrementalService.h

+4 −3

Original line number	Diff line number	Diff line
		@@ -18,8 +18,8 @@

		#include <android-base/strings.h>
		#include <android-base/unique_fd.h>
		#include <android/os/incremental/IIncrementalManager.h>
		#include <android/content/pm/DataLoaderParamsParcel.h>
		#include <android/os/incremental/IIncrementalManager.h>
		#include <binder/IServiceManager.h>
		#include <utils/String16.h>
		#include <utils/StrongPointer.h>
		@@ -92,8 +92,7 @@ public:

		std::optional<std::future<void>> onSystemReady();

		StorageId createStorage(std::string_view mountPoint,
		DataLoaderParamsParcel&& dataLoaderParams,
		StorageId createStorage(std::string_view mountPoint, DataLoaderParamsParcel&& dataLoaderParams,
		CreateOptions options = CreateOptions::Default);
		StorageId createLinkedStorage(std::string_view mountPoint, StorageId linkedStorage,
		CreateOptions options = CreateOptions::Default);
		@@ -207,6 +206,8 @@ private:
		void deleteStorage(IncFsMount& ifs);
		void deleteStorageLocked(IncFsMount& ifs, std::unique_lock<std::mutex>&& ifsLock);
		MountMap::iterator getStorageSlotLocked();
		std::string normalizePathToStorage(const IfsMountPtr incfs, StorageId storage,
		std::string_view path);

		// Member variables
		std::unique_ptr<VoldServiceWrapper> mVold;

services/incremental/test/IncrementalServiceTest.cpp

+28 −27

Original line number	Diff line number	Diff line
		@@ -406,29 +406,16 @@ TEST_F(IncrementalServiceTest, testMakeDirectory) {
		int storageId =
		mIncrementalService->createStorage(tempDir.path, std::move(mDataLoaderParcel),
		IncrementalService::CreateOptions::CreateNew);
		std::string_view dir_path("test");
		EXPECT_CALL(*mIncFs, makeDir(_, dir_path, _));
		auto res = mIncrementalService->makeDir(storageId, dir_path, 0555);
		ASSERT_EQ(res, 0);
		}
		std::string dir_path("test");

		TEST_F(IncrementalServiceTest, testMakeDirectoryNested) {
		mVold->mountIncFsSuccess();
		mIncFs->makeFileSuccess();
		mVold->bindMountSuccess();
		mIncrementalManager->prepareDataLoaderSuccess();
		mIncrementalManager->startDataLoaderSuccess();
		TemporaryDir tempDir;
		int storageId =
		mIncrementalService->createStorage(tempDir.path, std::move(mDataLoaderParcel),
		IncrementalService::CreateOptions::CreateNew);
		auto first = "first"sv;
		auto second = "second"sv;
		std::string dir_path = std::string(first) + "/" + std::string(second);
		EXPECT_CALL(*mIncFs, makeDir(_, first, _)).Times(0);
		EXPECT_CALL(*mIncFs, makeDir(_, second, _)).Times(0);
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(dir_path), _)).Times(1);
		std::string tempPath(tempDir.path);
		std::replace(tempPath.begin(), tempPath.end(), '/', '_');
		std::string mount_dir = std::string(mRootDir.path) + "/" + tempPath.substr(1);
		std::string normalized_dir_path = mount_dir + "/mount/st_1_0/" + dir_path;

		// Expecting incfs to call makeDir on a path like:
		// /data/local/tmp/TemporaryDir-06yixG/data_local_tmp_TemporaryDir-xwdFhT/mount/st_1_0/test
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_dir_path), _));
		auto res = mIncrementalService->makeDir(storageId, dir_path, 0555);
		ASSERT_EQ(res, 0);
		}
		@@ -446,15 +433,29 @@ TEST_F(IncrementalServiceTest, testMakeDirectories) {
		auto first = "first"sv;
		auto second = "second"sv;
		auto third = "third"sv;

		std::string tempPath(tempDir.path);
		std::replace(tempPath.begin(), tempPath.end(), '/', '_');
		std::string mount_dir = std::string(mRootDir.path) + "/" + tempPath.substr(1);

		InSequence seq;
		auto parent_path = std::string(first) + "/" + std::string(second);
		auto dir_path = parent_path + "/" + std::string(third);
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(dir_path), _)).WillOnce(Return(-ENOENT));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(parent_path), _)).WillOnce(Return(-ENOENT));
		EXPECT_CALL(*mIncFs, makeDir(_, first, _)).WillOnce(Return(0));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(parent_path), _)).WillOnce(Return(0));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(dir_path), _)).WillOnce(Return(0));
		auto res = mIncrementalService->makeDirs(storageId, dir_path, 0555);

		std::string normalized_first_path = mount_dir + "/mount/st_1_0/" + std::string(first);
		std::string normalized_parent_path = mount_dir + "/mount/st_1_0/" + parent_path;
		std::string normalized_dir_path = mount_dir + "/mount/st_1_0/" + dir_path;

		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_dir_path), _))
		.WillOnce(Return(-ENOENT));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_parent_path), _))
		.WillOnce(Return(-ENOENT));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_first_path), _))
		.WillOnce(Return(0));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_parent_path), _))
		.WillOnce(Return(0));
		EXPECT_CALL(*mIncFs, makeDir(_, std::string_view(normalized_dir_path), _)).WillOnce(Return(0));
		auto res = mIncrementalService->makeDirs(storageId, normalized_dir_path, 0555);
		ASSERT_EQ(res, 0);
		}
		} // namespace android::os::incremental