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// Copyright 2017 The Crashpad Authors. All rights reserved.
//
// 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 "util/file/filesystem.h"
#include <sys/time.h>
#include "base/logging.h"
#include "build/build_config.h"
#include "gtest/gtest.h"
#include "test/errors.h"
#include "test/filesystem.h"
#include "test/scoped_temp_dir.h"
#include "util/misc/time.h"
namespace crashpad {
namespace test {
namespace {
bool CurrentTime(timespec* now) {
#if defined(OS_MACOSX)
timeval now_tv;
int res = gettimeofday(&now_tv, nullptr);
if (res != 0) {
EXPECT_EQ(res, 0) << ErrnoMessage("gettimeofday");
return false;
}
TimevalToTimespec(now_tv, now);
return true;
#elif defined(OS_POSIX)
int res = clock_gettime(CLOCK_REALTIME, now);
if (res != 0) {
EXPECT_EQ(res, 0) << ErrnoMessage("clock_gettime");
return false;
}
return true;
#else
int res = timespec_get(now, TIME_UTC);
if (res != TIME_UTC) {
EXPECT_EQ(res, TIME_UTC);
return false;
}
return true;
#endif
}
TEST(Filesystem, FileModificationTime) {
timespec expected_time_start, expected_time_end;
ASSERT_TRUE(CurrentTime(&expected_time_start));
ScopedTempDir temp_dir;
ASSERT_TRUE(CurrentTime(&expected_time_end));
timespec dir_mtime;
ASSERT_TRUE(FileModificationTime(temp_dir.path(), &dir_mtime));
EXPECT_GE(dir_mtime.tv_sec, expected_time_start.tv_sec - 2);
EXPECT_LE(dir_mtime.tv_sec, expected_time_end.tv_sec + 2);
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CurrentTime(&expected_time_start));
ASSERT_TRUE(CreateFile(file));
ASSERT_TRUE(CurrentTime(&expected_time_end));
timespec file_mtime;
ASSERT_TRUE(FileModificationTime(file, &file_mtime));
EXPECT_GE(file_mtime.tv_sec, expected_time_start.tv_sec - 2);
EXPECT_LE(file_mtime.tv_sec, expected_time_end.tv_sec + 2);
timespec file_mtime_again;
ASSERT_TRUE(FileModificationTime(file, &file_mtime_again));
EXPECT_EQ(file_mtime.tv_sec, file_mtime_again.tv_sec);
EXPECT_EQ(file_mtime.tv_nsec, file_mtime_again.tv_nsec);
timespec mtime;
EXPECT_FALSE(FileModificationTime(base::FilePath(), &mtime));
EXPECT_FALSE(FileModificationTime(
temp_dir.path().Append(FILE_PATH_LITERAL("notafile")), &mtime));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, FileModificationTime_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
const base::FilePath dir_link(
temp_dir.path().Append(FILE_PATH_LITERAL("dir_link")));
timespec expected_time_start, expected_time_end;
ASSERT_TRUE(CurrentTime(&expected_time_start));
ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
ASSERT_TRUE(CurrentTime(&expected_time_end));
timespec mtime, mtime2;
ASSERT_TRUE(FileModificationTime(temp_dir.path(), &mtime));
mtime.tv_sec -= 100;
ASSERT_TRUE(SetFileModificationTime(temp_dir.path(), mtime));
ASSERT_TRUE(FileModificationTime(temp_dir.path(), &mtime2));
EXPECT_GE(mtime2.tv_sec, mtime.tv_sec - 2);
EXPECT_LE(mtime2.tv_sec, mtime.tv_sec + 2);
ASSERT_TRUE(FileModificationTime(dir_link, &mtime));
EXPECT_GE(mtime.tv_sec, expected_time_start.tv_sec - 2);
EXPECT_LE(mtime.tv_sec, expected_time_end.tv_sec + 2);
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CurrentTime(&expected_time_start));
ASSERT_TRUE(CreateSymbolicLink(file, link));
ASSERT_TRUE(CurrentTime(&expected_time_end));
ASSERT_TRUE(FileModificationTime(file, &mtime));
mtime.tv_sec -= 100;
ASSERT_TRUE(SetFileModificationTime(file, mtime));
ASSERT_TRUE(FileModificationTime(file, &mtime2));
EXPECT_GE(mtime2.tv_sec, mtime.tv_sec - 2);
EXPECT_LE(mtime2.tv_sec, mtime.tv_sec + 2);
ASSERT_TRUE(FileModificationTime(link, &mtime));
EXPECT_GE(mtime.tv_sec, expected_time_start.tv_sec - 2);
EXPECT_LE(mtime.tv_sec, expected_time_end.tv_sec + 2);
}
#endif // !OS_FUCHSIA
TEST(Filesystem, CreateDirectory) {
ScopedTempDir temp_dir;
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
EXPECT_FALSE(IsDirectory(dir, false));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
EXPECT_TRUE(IsDirectory(dir, false));
EXPECT_FALSE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
EXPECT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, true));
EXPECT_TRUE(IsRegularFile(file));
}
TEST(Filesystem, MoveFileOrDirectory) {
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
// empty paths
EXPECT_FALSE(MoveFileOrDirectory(base::FilePath(), base::FilePath()));
EXPECT_FALSE(MoveFileOrDirectory(base::FilePath(), file));
EXPECT_FALSE(MoveFileOrDirectory(file, base::FilePath()));
EXPECT_TRUE(IsRegularFile(file));
// files
base::FilePath file2(temp_dir.path().Append(FILE_PATH_LITERAL("file2")));
EXPECT_TRUE(MoveFileOrDirectory(file, file2));
EXPECT_TRUE(IsRegularFile(file2));
EXPECT_FALSE(PathExists(file));
EXPECT_FALSE(MoveFileOrDirectory(file, file2));
EXPECT_TRUE(IsRegularFile(file2));
EXPECT_FALSE(PathExists(file));
ASSERT_TRUE(CreateFile(file));
EXPECT_TRUE(MoveFileOrDirectory(file2, file));
EXPECT_TRUE(IsRegularFile(file));
EXPECT_FALSE(PathExists(file2));
// directories
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
base::FilePath nested(dir.Append(FILE_PATH_LITERAL("nested")));
ASSERT_TRUE(CreateFile(nested));
base::FilePath dir2(temp_dir.path().Append(FILE_PATH_LITERAL("dir2")));
EXPECT_TRUE(MoveFileOrDirectory(dir, dir2));
EXPECT_FALSE(IsDirectory(dir, true));
EXPECT_TRUE(IsDirectory(dir2, false));
EXPECT_TRUE(IsRegularFile(dir2.Append(nested.BaseName())));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
EXPECT_FALSE(MoveFileOrDirectory(dir, dir2));
EXPECT_TRUE(IsDirectory(dir, false));
EXPECT_TRUE(IsDirectory(dir2, false));
EXPECT_TRUE(IsRegularFile(dir2.Append(nested.BaseName())));
// files <-> directories
EXPECT_FALSE(MoveFileOrDirectory(file, dir2));
EXPECT_TRUE(IsDirectory(dir2, false));
EXPECT_TRUE(IsRegularFile(file));
EXPECT_FALSE(MoveFileOrDirectory(dir2, file));
EXPECT_TRUE(IsDirectory(dir2, false));
EXPECT_TRUE(IsRegularFile(file));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, MoveFileOrDirectory_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
// file links
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CreateSymbolicLink(file, link));
base::FilePath link2(temp_dir.path().Append(FILE_PATH_LITERAL("link2")));
EXPECT_TRUE(MoveFileOrDirectory(link, link2));
EXPECT_TRUE(PathExists(link2));
EXPECT_FALSE(PathExists(link));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_TRUE(MoveFileOrDirectory(link, link2));
EXPECT_TRUE(PathExists(link2));
EXPECT_FALSE(PathExists(link));
// file links <-> files
EXPECT_TRUE(MoveFileOrDirectory(file, link2));
EXPECT_TRUE(IsRegularFile(link2));
EXPECT_FALSE(PathExists(file));
ASSERT_TRUE(MoveFileOrDirectory(link2, file));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_TRUE(MoveFileOrDirectory(link, file));
EXPECT_TRUE(PathExists(file));
EXPECT_FALSE(IsRegularFile(file));
EXPECT_FALSE(PathExists(link));
EXPECT_TRUE(LoggingRemoveFile(file));
// dangling file links
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_TRUE(MoveFileOrDirectory(link, link2));
EXPECT_TRUE(PathExists(link2));
EXPECT_FALSE(PathExists(link));
// directory links
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
ASSERT_TRUE(CreateSymbolicLink(dir, link));
EXPECT_TRUE(MoveFileOrDirectory(link, link2));
EXPECT_TRUE(PathExists(link2));
EXPECT_FALSE(PathExists(link));
// dangling directory links
ASSERT_TRUE(LoggingRemoveDirectory(dir));
EXPECT_TRUE(MoveFileOrDirectory(link2, link));
EXPECT_TRUE(PathExists(link));
EXPECT_FALSE(PathExists(link2));
}
#endif // !OS_FUCHSIA
TEST(Filesystem, IsRegularFile) {
EXPECT_FALSE(IsRegularFile(base::FilePath()));
ScopedTempDir temp_dir;
EXPECT_FALSE(IsRegularFile(temp_dir.path()));
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
EXPECT_FALSE(IsRegularFile(file));
ASSERT_TRUE(CreateFile(file));
EXPECT_TRUE(IsRegularFile(file));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, IsRegularFile_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_FALSE(IsRegularFile(link));
ASSERT_TRUE(LoggingRemoveFile(file));
EXPECT_FALSE(IsRegularFile(link));
base::FilePath dir_link(
temp_dir.path().Append((FILE_PATH_LITERAL("dir_link"))));
ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
EXPECT_FALSE(IsRegularFile(dir_link));
}
#endif // !OS_FUCHSIA
TEST(Filesystem, IsDirectory) {
EXPECT_FALSE(IsDirectory(base::FilePath(), false));
EXPECT_FALSE(IsDirectory(base::FilePath(), true));
ScopedTempDir temp_dir;
EXPECT_TRUE(IsDirectory(temp_dir.path(), false));
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
EXPECT_FALSE(IsDirectory(file, false));
EXPECT_FALSE(IsDirectory(file, true));
ASSERT_TRUE(CreateFile(file));
EXPECT_FALSE(IsDirectory(file, false));
EXPECT_FALSE(IsDirectory(file, true));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, IsDirectory_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_FALSE(IsDirectory(link, false));
EXPECT_FALSE(IsDirectory(link, true));
ASSERT_TRUE(LoggingRemoveFile(file));
EXPECT_FALSE(IsDirectory(link, false));
EXPECT_FALSE(IsDirectory(link, true));
base::FilePath dir_link(
temp_dir.path().Append(FILE_PATH_LITERAL("dir_link")));
ASSERT_TRUE(CreateSymbolicLink(temp_dir.path(), dir_link));
EXPECT_FALSE(IsDirectory(dir_link, false));
EXPECT_TRUE(IsDirectory(dir_link, true));
}
#endif // !OS_FUCHSIA
TEST(Filesystem, RemoveFile) {
EXPECT_FALSE(LoggingRemoveFile(base::FilePath()));
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
EXPECT_FALSE(LoggingRemoveFile(file));
ASSERT_TRUE(CreateFile(file));
EXPECT_TRUE(IsRegularFile(file));
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
EXPECT_TRUE(LoggingRemoveFile(file));
EXPECT_FALSE(PathExists(file));
EXPECT_FALSE(LoggingRemoveFile(file));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, RemoveFile_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
base::FilePath file(temp_dir.path().Append(FILE_PATH_LITERAL("file")));
ASSERT_TRUE(CreateFile(file));
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_TRUE(LoggingRemoveFile(link));
EXPECT_FALSE(PathExists(link));
EXPECT_TRUE(PathExists(file));
ASSERT_TRUE(CreateSymbolicLink(dir, link));
EXPECT_TRUE(LoggingRemoveFile(link));
EXPECT_FALSE(PathExists(link));
EXPECT_TRUE(PathExists(dir));
}
#endif // !OS_FUCHSIA
TEST(Filesystem, RemoveDirectory) {
EXPECT_FALSE(LoggingRemoveDirectory(base::FilePath()));
ScopedTempDir temp_dir;
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
EXPECT_FALSE(LoggingRemoveDirectory(file));
ASSERT_TRUE(CreateFile(file));
#if !defined(OS_FUCHSIA)
// The current implementation of Fuchsia's rmdir() simply calls unlink(), and
// unlink() works on all FS objects. This is incorrect as
// http://pubs.opengroup.org/onlinepubs/9699919799/functions/rmdir.html says
// "The directory shall be removed only if it is an empty directory." and "If
// the directory is not an empty directory, rmdir() shall fail and set errno
// to [EEXIST] or [ENOTEMPTY]." Upstream bug: US-400.
EXPECT_FALSE(LoggingRemoveDirectory(file));
EXPECT_FALSE(LoggingRemoveDirectory(dir));
#endif
ASSERT_TRUE(LoggingRemoveFile(file));
EXPECT_TRUE(LoggingRemoveDirectory(dir));
}
#if !defined(OS_FUCHSIA)
TEST(Filesystem, RemoveDirectory_SymbolicLinks) {
if (!CanCreateSymbolicLinks()) {
GTEST_SKIP();
}
ScopedTempDir temp_dir;
base::FilePath dir(temp_dir.path().Append(FILE_PATH_LITERAL("dir")));
ASSERT_TRUE(
LoggingCreateDirectory(dir, FilePermissions::kWorldReadable, false));
base::FilePath file(dir.Append(FILE_PATH_LITERAL("file")));
EXPECT_FALSE(LoggingRemoveDirectory(file));
base::FilePath link(temp_dir.path().Append(FILE_PATH_LITERAL("link")));
ASSERT_TRUE(CreateSymbolicLink(file, link));
EXPECT_FALSE(LoggingRemoveDirectory(link));
EXPECT_TRUE(LoggingRemoveFile(link));
ASSERT_TRUE(CreateSymbolicLink(dir, link));
EXPECT_FALSE(LoggingRemoveDirectory(link));
EXPECT_TRUE(LoggingRemoveFile(link));
}
#endif // !OS_FUCHSIA
} // namespace
} // namespace test
} // namespace crashpad