1 files changed, 0 insertions, 214 deletions
diff --git a/test/syscalls/linux/unlink.cc b/test/syscalls/linux/unlink.cc
deleted file mode 100644
index 2040375c9..000000000
--- a/test/syscalls/linux/unlink.cc
+++ /dev/null
@@ -1,214 +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 <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "gtest/gtest.h"
-#include "absl/strings/str_cat.h"
-#include "test/util/capability_util.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(UnlinkTest, IsDir) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-
-  EXPECT_THAT(unlink(dir.path().c_str()), SyscallFailsWithErrno(EISDIR));
-}
-
-TEST(UnlinkTest, DirNotEmpty) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-
-  int fd;
-  std::string path = JoinPath(dir.path(), "ExistingFile");
-  EXPECT_THAT(fd = open(path.c_str(), O_RDWR | O_CREAT, 0666),
-              SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-  EXPECT_THAT(rmdir(dir.path().c_str()), SyscallFailsWithErrno(ENOTEMPTY));
-}
-
-TEST(UnlinkTest, Rmdir) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(rmdir(dir.path().c_str()), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, AtDir) {
-  int dirfd;
-  auto tmpdir = GetAbsoluteTestTmpdir();
-  EXPECT_THAT(dirfd = open(tmpdir.c_str(), O_DIRECTORY, 0), SyscallSucceeds());
-
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDirIn(tmpdir));
-  auto dir_relpath =
-      ASSERT_NO_ERRNO_AND_VALUE(GetRelativePath(tmpdir, dir.path()));
-  EXPECT_THAT(unlinkat(dirfd, dir_relpath.c_str(), AT_REMOVEDIR),
-              SyscallSucceeds());
-  ASSERT_THAT(close(dirfd), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, AtDirDegradedPermissions_NoRandomSave) {
-  // 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 dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-
-  int dirfd;
-  ASSERT_THAT(dirfd = open(dir.path().c_str(), O_DIRECTORY, 0),
-              SyscallSucceeds());
-
-  std::string sub_dir = JoinPath(dir.path(), "NewDir");
-  EXPECT_THAT(mkdir(sub_dir.c_str(), 0755), SyscallSucceeds());
-  EXPECT_THAT(fchmod(dirfd, 0444), SyscallSucceeds());
-  EXPECT_THAT(unlinkat(dirfd, "NewDir", AT_REMOVEDIR),
-              SyscallFailsWithErrno(EACCES));
-  ASSERT_THAT(close(dirfd), SyscallSucceeds());
-}
-
-// Files cannot be unlinked if the parent is not writable and executable.
-TEST(UnlinkTest, ParentDegradedPermissions) {
-  // 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 dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir.path()));
-
-  ASSERT_THAT(chmod(dir.path().c_str(), 0000), SyscallSucceeds());
-
-  struct stat st;
-  ASSERT_THAT(stat(file.path().c_str(), &st), SyscallFailsWithErrno(EACCES));
-  ASSERT_THAT(unlinkat(AT_FDCWD, file.path().c_str(), 0),
-              SyscallFailsWithErrno(EACCES));
-
-  // Non-existent files also return EACCES.
-  const std::string nonexist = JoinPath(dir.path(), "doesnotexist");
-  ASSERT_THAT(stat(nonexist.c_str(), &st), SyscallFailsWithErrno(EACCES));
-  ASSERT_THAT(unlinkat(AT_FDCWD, nonexist.c_str(), 0),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(UnlinkTest, AtBad) {
-  int dirfd;
-  EXPECT_THAT(dirfd = open(GetAbsoluteTestTmpdir().c_str(), O_DIRECTORY, 0),
-              SyscallSucceeds());
-
-  // Try removing a directory as a file.
-  std::string path = JoinPath(GetAbsoluteTestTmpdir(), "NewDir");
-  EXPECT_THAT(mkdir(path.c_str(), 0755), SyscallSucceeds());
-  EXPECT_THAT(unlinkat(dirfd, "NewDir", 0), SyscallFailsWithErrno(EISDIR));
-  EXPECT_THAT(unlinkat(dirfd, "NewDir", AT_REMOVEDIR), SyscallSucceeds());
-
-  // Try removing a file as a directory.
-  int fd;
-  EXPECT_THAT(fd = openat(dirfd, "UnlinkAtFile", O_RDWR | O_CREAT, 0666),
-              SyscallSucceeds());
-  EXPECT_THAT(unlinkat(dirfd, "UnlinkAtFile", AT_REMOVEDIR),
-              SyscallFailsWithErrno(ENOTDIR));
-  EXPECT_THAT(unlinkat(dirfd, "UnlinkAtFile/", 0),
-              SyscallFailsWithErrno(ENOTDIR));
-  ASSERT_THAT(close(fd), SyscallSucceeds());
-  EXPECT_THAT(unlinkat(dirfd, "UnlinkAtFile", 0), SyscallSucceeds());
-
-  // Cleanup.
-  ASSERT_THAT(close(dirfd), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, AbsTmpFile) {
-  int fd;
-  std::string path = JoinPath(GetAbsoluteTestTmpdir(), "ExistingFile");
-  EXPECT_THAT(fd = open(path.c_str(), O_RDWR | O_CREAT, 0666),
-              SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-  EXPECT_THAT(unlink(path.c_str()), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, TooLongName) {
-  EXPECT_THAT(unlink(std::vector<char>(16384, '0').data()),
-              SyscallFailsWithErrno(ENAMETOOLONG));
-}
-
-TEST(UnlinkTest, BadNamePtr) {
-  EXPECT_THAT(unlink(reinterpret_cast<char*>(1)),
-              SyscallFailsWithErrno(EFAULT));
-}
-
-TEST(UnlinkTest, AtFile) {
-  int dirfd;
-  EXPECT_THAT(dirfd = open(GetAbsoluteTestTmpdir().c_str(), O_DIRECTORY, 0666),
-              SyscallSucceeds());
-  int fd;
-  EXPECT_THAT(fd = openat(dirfd, "UnlinkAtFile", O_RDWR | O_CREAT, 0666),
-              SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-  EXPECT_THAT(unlinkat(dirfd, "UnlinkAtFile", 0), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, OpenFile_NoRandomSave) {
-  // We can't save unlinked file unless they are on tmpfs.
-  const DisableSave ds;
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  int fd;
-  EXPECT_THAT(fd = open(file.path().c_str(), O_RDWR, 0666), SyscallSucceeds());
-  EXPECT_THAT(unlink(file.path().c_str()), SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(UnlinkTest, CannotRemoveDots) {
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  const std::string self = JoinPath(file.path(), ".");
-  ASSERT_THAT(unlink(self.c_str()), SyscallFailsWithErrno(ENOTDIR));
-  const std::string parent = JoinPath(file.path(), "..");
-  ASSERT_THAT(unlink(parent.c_str()), SyscallFailsWithErrno(ENOTDIR));
-}
-
-TEST(UnlinkTest, CannotRemoveRoot) {
-  ASSERT_THAT(unlinkat(-1, "/", AT_REMOVEDIR), SyscallFailsWithErrno(EBUSY));
-}
-
-TEST(UnlinkTest, CannotRemoveRootWithAtDir) {
-  const FileDescriptor dirfd = ASSERT_NO_ERRNO_AND_VALUE(
-      Open(GetAbsoluteTestTmpdir(), O_DIRECTORY, 0666));
-  ASSERT_THAT(unlinkat(dirfd.get(), "/", AT_REMOVEDIR),
-              SyscallFailsWithErrno(EBUSY));
-}
-
-TEST(RmdirTest, CannotRemoveDots) {
-  auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const std::string self = JoinPath(dir.path(), ".");
-  ASSERT_THAT(rmdir(self.c_str()), SyscallFailsWithErrno(EINVAL));
-  const std::string parent = JoinPath(dir.path(), "..");
-  ASSERT_THAT(rmdir(parent.c_str()), SyscallFailsWithErrno(ENOTEMPTY));
-}
-
-TEST(RmdirTest, CanRemoveWithTrailingSlashes) {
-  auto dir1 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const std::string slash = absl::StrCat(dir1.path(), "/");
-  ASSERT_THAT(rmdir(slash.c_str()), SyscallSucceeds());
-  auto dir2 = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const std::string slashslash = absl::StrCat(dir2.path(), "//");
-  ASSERT_THAT(rmdir(slashslash.c_str()), SyscallSucceeds());
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor