1 files changed, 0 insertions, 394 deletions
diff --git a/test/syscalls/linux/rename.cc b/test/syscalls/linux/rename.cc
deleted file mode 100644
index 833c0dc4f..000000000
--- a/test/syscalls/linux/rename.cc
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// 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 <fcntl.h>
-#include <stdio.h>
-
-#include <string>
-
-#include "gtest/gtest.h"
-#include "absl/strings/string_view.h"
-#include "test/util/capability_util.h"
-#include "test/util/cleanup.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/fs_util.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-TEST(RenameTest, RootToAnything) {
-  ASSERT_THAT(rename("/", "/bin"), SyscallFailsWithErrno(EBUSY));
-}
-
-TEST(RenameTest, AnythingToRoot) {
-  ASSERT_THAT(rename("/bin", "/"), SyscallFailsWithErrno(EBUSY));
-}
-
-TEST(RenameTest, SourceIsAncestorOfTarget) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto subdir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir.path()));
-  ASSERT_THAT(rename(dir.path().c_str(), subdir.path().c_str()),
-              SyscallFailsWithErrno(EINVAL));
-
-  // Try an even deeper directory.
-  auto deep_subdir =
-      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(subdir.path()));
-  ASSERT_THAT(rename(dir.path().c_str(), deep_subdir.path().c_str()),
-              SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(RenameTest, TargetIsAncestorOfSource) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto subdir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir.path()));
-  ASSERT_THAT(rename(subdir.path().c_str(), dir.path().c_str()),
-              SyscallFailsWithErrno(ENOTEMPTY));
-
-  // Try an even deeper directory.
-  auto deep_subdir =
-      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(subdir.path()));
-  ASSERT_THAT(rename(deep_subdir.path().c_str(), dir.path().c_str()),
-              SyscallFailsWithErrno(ENOTEMPTY));
-}
-
-TEST(RenameTest, FileToSelf) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  EXPECT_THAT(rename(f.path().c_str(), f.path().c_str()), SyscallSucceeds());
-}
-
-TEST(RenameTest, DirectoryToSelf) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(rename(f.path().c_str(), f.path().c_str()), SyscallSucceeds());
-}
-
-TEST(RenameTest, FileToSameDirectory) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  std::string const newpath = NewTempAbsPath();
-  ASSERT_THAT(rename(f.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = f.release();
-  f.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, DirectoryToSameDirectory) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  std::string const newpath = NewTempAbsPath();
-  ASSERT_THAT(rename(dir.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = dir.release();
-  dir.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, FileToParentDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir2.path()));
-  std::string const newpath = NewTempAbsPathInDir(dir1.path());
-  ASSERT_THAT(rename(f.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = f.release();
-  f.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, DirectoryToParentDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  auto dir3 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir2.path()));
-  EXPECT_THAT(IsDirectory(dir3.path()), IsPosixErrorOkAndHolds(true));
-  std::string const newpath = NewTempAbsPathInDir(dir1.path());
-  ASSERT_THAT(rename(dir3.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = dir3.release();
-  dir3.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-  EXPECT_THAT(IsDirectory(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, FileToChildDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  std::string const newpath = NewTempAbsPathInDir(dir2.path());
-  ASSERT_THAT(rename(f.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = f.release();
-  f.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, DirectoryToChildDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  auto dir3 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  std::string const newpath = NewTempAbsPathInDir(dir2.path());
-  ASSERT_THAT(rename(dir3.path().c_str(), newpath.c_str()), SyscallSucceeds());
-  std::string const oldpath = dir3.release();
-  dir3.reset(newpath);
-  EXPECT_THAT(Exists(oldpath), IsPosixErrorOkAndHolds(false));
-  EXPECT_THAT(Exists(newpath), IsPosixErrorOkAndHolds(true));
-  EXPECT_THAT(IsDirectory(newpath), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, DirectoryToOwnChildDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(dir1.path()));
-  std::string const newpath = NewTempAbsPathInDir(dir2.path());
-  ASSERT_THAT(rename(dir1.path().c_str(), newpath.c_str()),
-              SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(RenameTest, FileOverwritesFile) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      dir.path(), "first", TempPath::kDefaultFileMode));
-  auto f2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      dir.path(), "second", TempPath::kDefaultFileMode));
-  ASSERT_THAT(rename(f1.path().c_str(), f2.path().c_str()), SyscallSucceeds());
-  EXPECT_THAT(Exists(f1.path()), IsPosixErrorOkAndHolds(false));
-
-  f1.release();
-  std::string f2_contents;
-  ASSERT_NO_ERRNO(GetContents(f2.path(), &f2_contents));
-  EXPECT_EQ("first", f2_contents);
-}
-
-TEST(RenameTest, DirectoryOverwritesDirectoryLinkCount) {
-  auto parent1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(Links(parent1.path()), IsPosixErrorOkAndHolds(2));
-
-  auto parent2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(Links(parent2.path()), IsPosixErrorOkAndHolds(2));
-
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(parent1.path()));
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(parent2.path()));
-
-  EXPECT_THAT(Links(parent1.path()), IsPosixErrorOkAndHolds(3));
-  EXPECT_THAT(Links(parent2.path()), IsPosixErrorOkAndHolds(3));
-
-  ASSERT_THAT(rename(dir1.path().c_str(), dir2.path().c_str()),
-              SyscallSucceeds());
-
-  EXPECT_THAT(Links(parent1.path()), IsPosixErrorOkAndHolds(2));
-  EXPECT_THAT(Links(parent2.path()), IsPosixErrorOkAndHolds(3));
-}
-
-TEST(RenameTest, FileDoesNotExist) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const std::string source = JoinPath(dir.path(), "source");
-  const std::string dest = JoinPath(dir.path(), "dest");
-  ASSERT_THAT(rename(source.c_str(), dest.c_str()),
-              SyscallFailsWithErrno(ENOENT));
-}
-
-TEST(RenameTest, FileDoesNotOverwriteDirectory) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  ASSERT_THAT(rename(f.path().c_str(), dir.path().c_str()),
-              SyscallFailsWithErrno(EISDIR));
-}
-
-TEST(RenameTest, DirectoryDoesNotOverwriteFile) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  ASSERT_THAT(rename(dir.path().c_str(), f.path().c_str()),
-              SyscallFailsWithErrno(ENOTDIR));
-}
-
-TEST(RenameTest, DirectoryOverwritesEmptyDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(rename(dir1.path().c_str(), dir2.path().c_str()),
-              SyscallSucceeds());
-  EXPECT_THAT(Exists(dir1.path()), IsPosixErrorOkAndHolds(false));
-  dir1.release();
-  EXPECT_THAT(Exists(JoinPath(dir2.path(), Basename(f.path()))),
-              IsPosixErrorOkAndHolds(true));
-  f.release();
-}
-
-TEST(RenameTest, FailsWithDots) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto dir1_dot = absl::StrCat(dir1.path(), "/.");
-  auto dir2_dot = absl::StrCat(dir2.path(), "/.");
-  auto dir1_dot_dot = absl::StrCat(dir1.path(), "/..");
-  auto dir2_dot_dot = absl::StrCat(dir2.path(), "/..");
-
-  // Try with dot paths in the first argument
-  EXPECT_THAT(rename(dir1_dot.c_str(), dir2.path().c_str()),
-              SyscallFailsWithErrno(EBUSY));
-  EXPECT_THAT(rename(dir1_dot_dot.c_str(), dir2.path().c_str()),
-              SyscallFailsWithErrno(EBUSY));
-
-  // Try with dot paths in the second argument
-  EXPECT_THAT(rename(dir1.path().c_str(), dir2_dot.c_str()),
-              SyscallFailsWithErrno(EBUSY));
-  EXPECT_THAT(rename(dir1.path().c_str(), dir2_dot_dot.c_str()),
-              SyscallFailsWithErrno(EBUSY));
-}
-
-TEST(RenameTest, DirectoryDoesNotOverwriteNonemptyDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir2.path()));
-  ASSERT_THAT(rename(dir1.path().c_str(), dir2.path().c_str()),
-              SyscallFailsWithErrno(ENOTEMPTY));
-}
-
-TEST(RenameTest, FailsWhenOldParentNotWritable) {
-  // Drop capabilities that allow us to override file and directory permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  // dir1 is not writable.
-  ASSERT_THAT(chmod(dir1.path().c_str(), 0555), SyscallSucceeds());
-
-  std::string const newpath = NewTempAbsPathInDir(dir2.path());
-  EXPECT_THAT(rename(f1.path().c_str(), newpath.c_str()),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(RenameTest, FailsWhenNewParentNotWritable) {
-  // Drop capabilities that allow us to override file and directory permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  // dir2 is not writable.
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateDirWith(GetAbsoluteTestTmpdir(), 0555));
-
-  std::string const newpath = NewTempAbsPathInDir(dir2.path());
-  EXPECT_THAT(rename(f1.path().c_str(), newpath.c_str()),
-              SyscallFailsWithErrno(EACCES));
-}
-
-// Equivalent to FailsWhenNewParentNotWritable, but with a destination file
-// to overwrite.
-TEST(RenameTest, OverwriteFailsWhenNewParentNotWritable) {
-  // Drop capabilities that allow us to override file and directory permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-
-  // dir2 is not writable.
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir2.path()));
-  ASSERT_THAT(chmod(dir2.path().c_str(), 0555), SyscallSucceeds());
-
-  EXPECT_THAT(rename(f1.path().c_str(), f2.path().c_str()),
-              SyscallFailsWithErrno(EACCES));
-}
-
-// If the parent directory of source is not accessible, rename returns EACCES
-// because the user cannot determine if source exists.
-TEST(RenameTest, FileDoesNotExistWhenNewParentNotExecutable) {
-  // Drop capabilities that allow us to override file and directory permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  // No execute permission.
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateDirWith(GetAbsoluteTestTmpdir(), 0400));
-
-  const std::string source = JoinPath(dir.path(), "source");
-  const std::string dest = JoinPath(dir.path(), "dest");
-  ASSERT_THAT(rename(source.c_str(), dest.c_str()),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(RenameTest, DirectoryWithOpenFdOverwritesEmptyDirectory) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir1.path()));
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-
-  // Get an fd on dir1
-  int fd;
-  ASSERT_THAT(fd = open(dir1.path().c_str(), O_DIRECTORY), SyscallSucceeds());
-  auto close_f = Cleanup([fd] {
-    // Close the fd on f.
-    EXPECT_THAT(close(fd), SyscallSucceeds());
-  });
-
-  EXPECT_THAT(rename(dir1.path().c_str(), dir2.path().c_str()),
-              SyscallSucceeds());
-
-  const std::string new_f_path = JoinPath(dir2.path(), Basename(f.path()));
-
-  auto remove_f = Cleanup([&] {
-    // Delete f in its new location.
-    ASSERT_NO_ERRNO(Delete(new_f_path));
-    f.release();
-  });
-
-  EXPECT_THAT(Exists(dir1.path()), IsPosixErrorOkAndHolds(false));
-  dir1.release();
-  EXPECT_THAT(Exists(new_f_path), IsPosixErrorOkAndHolds(true));
-}
-
-TEST(RenameTest, FileWithOpenFd) {
-  TempPath root_dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  TempPath dir1 =
-      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(root_dir.path()));
-  TempPath dir2 =
-      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(root_dir.path()));
-  TempPath dir3 =
-      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(root_dir.path()));
-
-  // Create file in dir1.
-  constexpr char kContents[] = "foo";
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      dir1.path(), kContents, TempPath::kDefaultFileMode));
-
-  // Get fd on file.
-  const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDWR));
-
-  // Move f to dir2.
-  const std::string path2 = NewTempAbsPathInDir(dir2.path());
-  ASSERT_THAT(rename(f.path().c_str(), path2.c_str()), SyscallSucceeds());
-
-  // Read f's kContents.
-  char buf[sizeof(kContents)];
-  EXPECT_THAT(PreadFd(fd.get(), &buf, sizeof(kContents), 0),
-              SyscallSucceedsWithValue(sizeof(kContents) - 1));
-  EXPECT_EQ(absl::string_view(buf, sizeof(buf) - 1), kContents);
-
-  // Move f to dir3.
-  const std::string path3 = NewTempAbsPathInDir(dir3.path());
-  ASSERT_THAT(rename(path2.c_str(), path3.c_str()), SyscallSucceeds());
-
-  // Read f's kContents.
-  EXPECT_THAT(PreadFd(fd.get(), &buf, sizeof(kContents), 0),
-              SyscallSucceedsWithValue(sizeof(kContents) - 1));
-  EXPECT_EQ(absl::string_view(buf, sizeof(buf) - 1), kContents);
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor