536 lines
17 KiB
C++
536 lines
17 KiB
C++
// Copyright 2017 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/file/filesystem.h"
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#include <sys/time.h>
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#include "build/build_config.h"
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#include "gtest/gtest.h"
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#include "test/errors.h"
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#include "test/filesystem.h"
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#include "test/scoped_temp_dir.h"
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#include "util/file/file_writer.h"
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#include "util/misc/time.h"
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namespace crashpad {
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namespace test {
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namespace {
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constexpr char kTestFileContent[] = "file_content";
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bool CurrentTime(timespec* now) {
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#if defined(OS_APPLE)
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timeval now_tv;
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int res = gettimeofday(&now_tv, nullptr);
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if (res != 0) {
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EXPECT_EQ(res, 0) << ErrnoMessage("gettimeofday");
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return false;
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}
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TimevalToTimespec(now_tv, now);
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return true;
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#elif defined(OS_POSIX)
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int res = clock_gettime(CLOCK_REALTIME, now);
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if (res != 0) {
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EXPECT_EQ(res, 0) << ErrnoMessage("clock_gettime");
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return false;
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}
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return true;
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#else
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int res = timespec_get(now, TIME_UTC);
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if (res != TIME_UTC) {
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EXPECT_EQ(res, TIME_UTC);
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return false;
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}
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return true;
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#endif
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}
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TEST(Filesystem, FileModificationTime) {
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timespec expected_time_start, expected_time_end;
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ASSERT_TRUE(CurrentTime(&expected_time_start));
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ScopedTempDir temp_dir;
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ASSERT_TRUE(CurrentTime(&expected_time_end));
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timespec dir_mtime;
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ASSERT_TRUE(FileModificationTime(temp_dir.path(), &dir_mtime));
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EXPECT_GE(dir_mtime.tv_sec, expected_time_start.tv_sec - 2);
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EXPECT_LE(dir_mtime.tv_sec, expected_time_end.tv_sec + 2);
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CurrentTime(&expected_time_start));
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ASSERT_TRUE(CreateFile(file));
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ASSERT_TRUE(CurrentTime(&expected_time_end));
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timespec file_mtime;
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ASSERT_TRUE(FileModificationTime(file, &file_mtime));
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EXPECT_GE(file_mtime.tv_sec, expected_time_start.tv_sec - 2);
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EXPECT_LE(file_mtime.tv_sec, expected_time_end.tv_sec + 2);
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timespec file_mtime_again;
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ASSERT_TRUE(FileModificationTime(file, &file_mtime_again));
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EXPECT_EQ(file_mtime.tv_sec, file_mtime_again.tv_sec);
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EXPECT_EQ(file_mtime.tv_nsec, file_mtime_again.tv_nsec);
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timespec mtime;
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EXPECT_FALSE(FileModificationTime(base::FilePath(), &mtime));
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EXPECT_FALSE(FileModificationTime(
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temp_dir.path().Append(FILE_PATH_LITERAL("notafile")), &mtime));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, FileModificationTime_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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const base::FilePath dir_link(
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temp_dir.path().Append(FILE_PATH_LITERAL("dir_link")));
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timespec expected_time_start, expected_time_end;
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ASSERT_TRUE(CurrentTime(&expected_time_start));
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ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
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ASSERT_TRUE(CurrentTime(&expected_time_end));
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timespec mtime, mtime2;
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ASSERT_TRUE(FileModificationTime(temp_dir.path(), &mtime));
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mtime.tv_sec -= 100;
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ASSERT_TRUE(SetFileModificationTime(temp_dir.path(), mtime));
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ASSERT_TRUE(FileModificationTime(temp_dir.path(), &mtime2));
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EXPECT_GE(mtime2.tv_sec, mtime.tv_sec - 2);
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EXPECT_LE(mtime2.tv_sec, mtime.tv_sec + 2);
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ASSERT_TRUE(FileModificationTime(dir_link, &mtime));
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EXPECT_GE(mtime.tv_sec, expected_time_start.tv_sec - 2);
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EXPECT_LE(mtime.tv_sec, expected_time_end.tv_sec + 2);
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CurrentTime(&expected_time_start));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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ASSERT_TRUE(CurrentTime(&expected_time_end));
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ASSERT_TRUE(FileModificationTime(file, &mtime));
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mtime.tv_sec -= 100;
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ASSERT_TRUE(SetFileModificationTime(file, mtime));
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ASSERT_TRUE(FileModificationTime(file, &mtime2));
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EXPECT_GE(mtime2.tv_sec, mtime.tv_sec - 2);
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EXPECT_LE(mtime2.tv_sec, mtime.tv_sec + 2);
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ASSERT_TRUE(FileModificationTime(link, &mtime));
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EXPECT_GE(mtime.tv_sec, expected_time_start.tv_sec - 2);
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EXPECT_LE(mtime.tv_sec, expected_time_end.tv_sec + 2);
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, CreateDirectory) {
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ScopedTempDir temp_dir;
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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EXPECT_FALSE(IsDirectory(dir, false));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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EXPECT_TRUE(IsDirectory(dir, false));
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EXPECT_FALSE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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EXPECT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, true));
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EXPECT_TRUE(IsRegularFile(file));
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}
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TEST(Filesystem, MoveFileOrDirectory) {
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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// empty paths
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EXPECT_FALSE(MoveFileOrDirectory(base::FilePath(), base::FilePath()));
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EXPECT_FALSE(MoveFileOrDirectory(base::FilePath(), file));
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EXPECT_FALSE(MoveFileOrDirectory(file, base::FilePath()));
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EXPECT_TRUE(IsRegularFile(file));
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// files
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base::FilePath file2(temp_dir.path().Append(FILE_PATH_LITERAL("file2")));
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EXPECT_TRUE(MoveFileOrDirectory(file, file2));
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EXPECT_TRUE(IsRegularFile(file2));
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EXPECT_FALSE(PathExists(file));
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EXPECT_FALSE(MoveFileOrDirectory(file, file2));
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EXPECT_TRUE(IsRegularFile(file2));
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EXPECT_FALSE(PathExists(file));
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ASSERT_TRUE(CreateFile(file));
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EXPECT_TRUE(MoveFileOrDirectory(file2, file));
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EXPECT_TRUE(IsRegularFile(file));
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EXPECT_FALSE(PathExists(file2));
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// directories
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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base::FilePath nested(dir.Append(FILE_PATH_LITERAL("nested")));
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ASSERT_TRUE(CreateFile(nested));
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base::FilePath dir2(temp_dir.path().Append(FILE_PATH_LITERAL("dir2")));
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EXPECT_TRUE(MoveFileOrDirectory(dir, dir2));
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EXPECT_FALSE(IsDirectory(dir, true));
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EXPECT_TRUE(IsDirectory(dir2, false));
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EXPECT_TRUE(IsRegularFile(dir2.Append(nested.BaseName())));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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EXPECT_FALSE(MoveFileOrDirectory(dir, dir2));
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EXPECT_TRUE(IsDirectory(dir, false));
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EXPECT_TRUE(IsDirectory(dir2, false));
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EXPECT_TRUE(IsRegularFile(dir2.Append(nested.BaseName())));
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// files <-> directories
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EXPECT_FALSE(MoveFileOrDirectory(file, dir2));
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EXPECT_TRUE(IsDirectory(dir2, false));
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EXPECT_TRUE(IsRegularFile(file));
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EXPECT_FALSE(MoveFileOrDirectory(dir2, file));
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EXPECT_TRUE(IsDirectory(dir2, false));
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EXPECT_TRUE(IsRegularFile(file));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, MoveFileOrDirectory_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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// file links
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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base::FilePath link2(temp_dir.path().Append(FILE_PATH_LITERAL("link2")));
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EXPECT_TRUE(MoveFileOrDirectory(link, link2));
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EXPECT_TRUE(PathExists(link2));
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EXPECT_FALSE(PathExists(link));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_TRUE(MoveFileOrDirectory(link, link2));
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EXPECT_TRUE(PathExists(link2));
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EXPECT_FALSE(PathExists(link));
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// file links <-> files
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EXPECT_TRUE(MoveFileOrDirectory(file, link2));
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EXPECT_TRUE(IsRegularFile(link2));
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EXPECT_FALSE(PathExists(file));
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ASSERT_TRUE(MoveFileOrDirectory(link2, file));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_TRUE(MoveFileOrDirectory(link, file));
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EXPECT_TRUE(PathExists(file));
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EXPECT_FALSE(IsRegularFile(file));
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EXPECT_FALSE(PathExists(link));
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EXPECT_TRUE(LoggingRemoveFile(file));
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// dangling file links
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_TRUE(MoveFileOrDirectory(link, link2));
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EXPECT_TRUE(PathExists(link2));
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EXPECT_FALSE(PathExists(link));
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// directory links
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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ASSERT_TRUE(CreateSymbolicLink(dir, link));
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EXPECT_TRUE(MoveFileOrDirectory(link, link2));
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EXPECT_TRUE(PathExists(link2));
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EXPECT_FALSE(PathExists(link));
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// dangling directory links
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ASSERT_TRUE(LoggingRemoveDirectory(dir));
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EXPECT_TRUE(MoveFileOrDirectory(link2, link));
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EXPECT_TRUE(PathExists(link));
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EXPECT_FALSE(PathExists(link2));
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, IsRegularFile) {
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EXPECT_FALSE(IsRegularFile(base::FilePath()));
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ScopedTempDir temp_dir;
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EXPECT_FALSE(IsRegularFile(temp_dir.path()));
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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EXPECT_FALSE(IsRegularFile(file));
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ASSERT_TRUE(CreateFile(file));
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EXPECT_TRUE(IsRegularFile(file));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, IsRegularFile_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_FALSE(IsRegularFile(link));
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ASSERT_TRUE(LoggingRemoveFile(file));
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EXPECT_FALSE(IsRegularFile(link));
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base::FilePath dir_link(
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temp_dir.path().Append((FILE_PATH_LITERAL("dir_link"))));
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ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
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EXPECT_FALSE(IsRegularFile(dir_link));
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, IsDirectory) {
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EXPECT_FALSE(IsDirectory(base::FilePath(), false));
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EXPECT_FALSE(IsDirectory(base::FilePath(), true));
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ScopedTempDir temp_dir;
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EXPECT_TRUE(IsDirectory(temp_dir.path(), false));
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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EXPECT_FALSE(IsDirectory(file, false));
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EXPECT_FALSE(IsDirectory(file, true));
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ASSERT_TRUE(CreateFile(file));
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EXPECT_FALSE(IsDirectory(file, false));
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EXPECT_FALSE(IsDirectory(file, true));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, IsDirectory_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_FALSE(IsDirectory(link, false));
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EXPECT_FALSE(IsDirectory(link, true));
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ASSERT_TRUE(LoggingRemoveFile(file));
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EXPECT_FALSE(IsDirectory(link, false));
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EXPECT_FALSE(IsDirectory(link, true));
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base::FilePath dir_link(
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temp_dir.path().Append(FILE_PATH_LITERAL("dir_link")));
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ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
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EXPECT_FALSE(IsDirectory(dir_link, false));
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EXPECT_TRUE(IsDirectory(dir_link, true));
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, RemoveFile) {
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EXPECT_FALSE(LoggingRemoveFile(base::FilePath()));
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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EXPECT_FALSE(LoggingRemoveFile(file));
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ASSERT_TRUE(CreateFile(file));
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EXPECT_TRUE(IsRegularFile(file));
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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EXPECT_TRUE(LoggingRemoveFile(file));
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EXPECT_FALSE(PathExists(file));
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EXPECT_FALSE(LoggingRemoveFile(file));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, RemoveFile_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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ASSERT_TRUE(CreateFile(file));
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_TRUE(LoggingRemoveFile(link));
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EXPECT_FALSE(PathExists(link));
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EXPECT_TRUE(PathExists(file));
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ASSERT_TRUE(CreateSymbolicLink(dir, link));
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EXPECT_TRUE(LoggingRemoveFile(link));
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EXPECT_FALSE(PathExists(link));
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EXPECT_TRUE(PathExists(dir));
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, RemoveDirectory) {
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EXPECT_FALSE(LoggingRemoveDirectory(base::FilePath()));
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ScopedTempDir temp_dir;
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
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EXPECT_FALSE(LoggingRemoveDirectory(file));
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ASSERT_TRUE(CreateFile(file));
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#if !defined(OS_FUCHSIA)
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// The current implementation of Fuchsia's rmdir() simply calls unlink(), and
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// unlink() works on all FS objects. This is incorrect as
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// http://pubs.opengroup.org/onlinepubs/9699919799/functions/rmdir.html says
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// "The directory shall be removed only if it is an empty directory." and "If
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// the directory is not an empty directory, rmdir() shall fail and set errno
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// to [EEXIST] or [ENOTEMPTY]." Upstream bug: US-400.
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EXPECT_FALSE(LoggingRemoveDirectory(file));
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EXPECT_FALSE(LoggingRemoveDirectory(dir));
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#endif
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ASSERT_TRUE(LoggingRemoveFile(file));
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EXPECT_TRUE(LoggingRemoveDirectory(dir));
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}
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#if !defined(OS_FUCHSIA)
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TEST(Filesystem, RemoveDirectory_SymbolicLinks) {
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if (!CanCreateSymbolicLinks()) {
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GTEST_SKIP();
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}
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ScopedTempDir temp_dir;
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base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
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ASSERT_TRUE(
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LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
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base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
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EXPECT_FALSE(LoggingRemoveDirectory(file));
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base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
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ASSERT_TRUE(CreateSymbolicLink(file, link));
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EXPECT_FALSE(LoggingRemoveDirectory(link));
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EXPECT_TRUE(LoggingRemoveFile(link));
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ASSERT_TRUE(CreateSymbolicLink(dir, link));
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EXPECT_FALSE(LoggingRemoveDirectory(link));
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EXPECT_TRUE(LoggingRemoveFile(link));
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}
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#endif // !OS_FUCHSIA
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TEST(Filesystem, GetFileSize) {
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ScopedTempDir temp_dir;
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base::FilePath filepath(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
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|
FileWriter writer;
|
|
bool is_created = writer.Open(
|
|
filepath, FileWriteMode::kCreateOrFail, FilePermissions::kOwnerOnly);
|
|
ASSERT_TRUE(is_created);
|
|
writer.Write(kTestFileContent, sizeof(kTestFileContent));
|
|
writer.Close();
|
|
uint64_t filesize = GetFileSize(filepath);
|
|
EXPECT_EQ(filesize, sizeof(kTestFileContent));
|
|
|
|
#if !defined(OS_FUCHSIA)
|
|
// Create a link to a file.
|
|
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
|
|
ASSERT_TRUE(CreateSymbolicLink(filepath, link));
|
|
uint64_t filesize_link = GetFileSize(link);
|
|
EXPECT_EQ(filesize_link, 0u);
|
|
#endif // !OS_FUCHSIA
|
|
}
|
|
|
|
TEST(Filesystem, GetDirectorySize) {
|
|
ScopedTempDir temp_dir;
|
|
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
|
|
ASSERT_TRUE(
|
|
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
|
|
base::FilePath filepath1(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
|
|
FileWriter writer1;
|
|
bool is_created1 = writer1.Open(
|
|
filepath1, FileWriteMode::kCreateOrFail, FilePermissions::kOwnerOnly);
|
|
ASSERT_TRUE(is_created1);
|
|
writer1.Write(kTestFileContent, sizeof(kTestFileContent));
|
|
writer1.Close();
|
|
|
|
base::FilePath filepath2(dir.Append(FILE_PATH_LITERAL("file")));
|
|
FileWriter writer2;
|
|
bool is_created2 = writer2.Open(
|
|
filepath2, FileWriteMode::kCreateOrFail, FilePermissions::kOwnerOnly);
|
|
ASSERT_TRUE(is_created2);
|
|
writer2.Write(kTestFileContent, sizeof(kTestFileContent));
|
|
writer2.Close();
|
|
|
|
#if !defined(OS_FUCHSIA)
|
|
// Create a link to a file.
|
|
base::FilePath link(dir.Append(FILE_PATH_LITERAL("link")));
|
|
ASSERT_TRUE(CreateSymbolicLink(filepath2, link));
|
|
|
|
// Create a link to a dir.
|
|
base::FilePath linkdir(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
|
|
ASSERT_TRUE(CreateSymbolicLink(dir, linkdir));
|
|
#endif // !OS_FUCHSIA
|
|
|
|
uint64_t filesize = GetDirectorySize(temp_dir.path());
|
|
EXPECT_EQ(filesize, 2 * sizeof(kTestFileContent));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace test
|
|
} // namespace crashpad
|