1 files changed, 0 insertions, 300 deletions
diff --git a/test/syscalls/linux/chmod.cc b/test/syscalls/linux/chmod.cc
deleted file mode 100644
index 4a5ea84d4..000000000
--- a/test/syscalls/linux/chmod.cc
+++ /dev/null
@@ -1,300 +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 <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <string>
-
-#include "gtest/gtest.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(ChmodTest, ChmodFileSucceeds) {
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-
-  ASSERT_THAT(chmod(file.path().c_str(), 0466), SyscallSucceeds());
-  EXPECT_THAT(open(file.path().c_str(), O_RDWR), SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, ChmodDirSucceeds) {
-  // 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());
-  const std::string fileInDir = NewTempAbsPathInDir(dir.path());
-
-  ASSERT_THAT(chmod(dir.path().c_str(), 0466), SyscallSucceeds());
-  EXPECT_THAT(open(fileInDir.c_str(), O_RDONLY), SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodFileSucceeds) {
-  // Drop capabilities that allow us to file directory permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileMode(0666));
-  int fd;
-  ASSERT_THAT(fd = open(file.path().c_str(), O_RDWR), SyscallSucceeds());
-
-  {
-    const DisableSave ds;  // File permissions are reduced.
-    ASSERT_THAT(fchmod(fd, 0444), SyscallSucceeds());
-    EXPECT_THAT(close(fd), SyscallSucceeds());
-  }
-
-  EXPECT_THAT(open(file.path().c_str(), O_RDWR), SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodDirSucceeds) {
-  // 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 fd;
-  ASSERT_THAT(fd = open(dir.path().c_str(), O_RDONLY | O_DIRECTORY),
-              SyscallSucceeds());
-
-  {
-    const DisableSave ds;  // File permissions are reduced.
-    ASSERT_THAT(fchmod(fd, 0), SyscallSucceeds());
-    EXPECT_THAT(close(fd), SyscallSucceeds());
-  }
-
-  EXPECT_THAT(open(dir.path().c_str(), O_RDONLY),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodBadF) {
-  ASSERT_THAT(fchmod(-1, 0444), SyscallFailsWithErrno(EBADF));
-}
-
-TEST(ChmodTest, FchmodatBadF) {
-  ASSERT_THAT(fchmodat(-1, "foo", 0444, 0), SyscallFailsWithErrno(EBADF));
-}
-
-TEST(ChmodTest, FchmodFileWithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_PATH));
-
-  ASSERT_THAT(fchmod(fd.get(), 0444), SyscallFailsWithErrno(EBADF));
-}
-
-TEST(ChmodTest, FchmodDirWithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  const auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const auto fd =
-      ASSERT_NO_ERRNO_AND_VALUE(Open(dir.path(), O_DIRECTORY | O_PATH));
-
-  ASSERT_THAT(fchmod(fd.get(), 0444), SyscallFailsWithErrno(EBADF));
-}
-
-TEST(ChmodTest, FchmodatWithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-
-  auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-
-  const auto parent_fd = ASSERT_NO_ERRNO_AND_VALUE(
-      Open(GetAbsoluteTestTmpdir().c_str(), O_PATH | O_DIRECTORY));
-
-  ASSERT_THAT(
-      fchmodat(parent_fd.get(), std::string(Basename(temp_file.path())).c_str(),
-               0444, 0),
-      SyscallSucceeds());
-
-  EXPECT_THAT(open(temp_file.path().c_str(), O_RDWR),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodatNotDir) {
-  ASSERT_THAT(fchmodat(-1, "", 0444, 0), SyscallFailsWithErrno(ENOENT));
-}
-
-TEST(ChmodTest, FchmodatFileAbsolutePath) {
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-
-  ASSERT_THAT(fchmodat(-1, file.path().c_str(), 0444, 0), SyscallSucceeds());
-  EXPECT_THAT(open(file.path().c_str(), O_RDWR), SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodatDirAbsolutePath) {
-  // 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 fd;
-  ASSERT_THAT(fd = open(dir.path().c_str(), O_RDONLY | O_DIRECTORY),
-              SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-
-  ASSERT_THAT(fchmodat(-1, dir.path().c_str(), 0, 0), SyscallSucceeds());
-  EXPECT_THAT(open(dir.path().c_str(), O_RDONLY),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodatFile) {
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-
-  auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-
-  int parent_fd;
-  ASSERT_THAT(
-      parent_fd = open(GetAbsoluteTestTmpdir().c_str(), O_RDONLY | O_DIRECTORY),
-      SyscallSucceeds());
-
-  ASSERT_THAT(
-      fchmodat(parent_fd, std::string(Basename(temp_file.path())).c_str(), 0444,
-               0),
-      SyscallSucceeds());
-  EXPECT_THAT(close(parent_fd), SyscallSucceeds());
-
-  EXPECT_THAT(open(temp_file.path().c_str(), O_RDWR),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodatDir) {
-  // 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 parent_fd;
-  ASSERT_THAT(
-      parent_fd = open(GetAbsoluteTestTmpdir().c_str(), O_RDONLY | O_DIRECTORY),
-      SyscallSucceeds());
-
-  int fd;
-  ASSERT_THAT(fd = open(dir.path().c_str(), O_RDONLY | O_DIRECTORY),
-              SyscallSucceeds());
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-
-  ASSERT_THAT(
-      fchmodat(parent_fd, std::string(Basename(dir.path())).c_str(), 0, 0),
-      SyscallSucceeds());
-  EXPECT_THAT(close(parent_fd), SyscallSucceeds());
-
-  EXPECT_THAT(open(dir.path().c_str(), O_RDONLY | O_DIRECTORY),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, ChmodDowngradeWritability) {
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileMode(0666));
-
-  int fd;
-  ASSERT_THAT(fd = open(file.path().c_str(), O_RDWR), SyscallSucceeds());
-
-  const DisableSave ds;  // Permissions are dropped.
-  ASSERT_THAT(chmod(file.path().c_str(), 0444), SyscallSucceeds());
-  EXPECT_THAT(write(fd, "hello", 5), SyscallSucceedsWithValue(5));
-
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(ChmodTest, ChmodFileToNoPermissionsSucceeds) {
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileMode(0666));
-
-  ASSERT_THAT(chmod(file.path().c_str(), 0), SyscallSucceeds());
-
-  EXPECT_THAT(open(file.path().c_str(), O_RDONLY),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(ChmodTest, FchmodDowngradeWritability) {
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-
-  int fd;
-  ASSERT_THAT(fd = open(file.path().c_str(), O_RDWR | O_CREAT, 0666),
-              SyscallSucceeds());
-
-  const DisableSave ds;  // Permissions are dropped.
-  ASSERT_THAT(fchmod(fd, 0444), SyscallSucceeds());
-  EXPECT_THAT(write(fd, "hello", 5), SyscallSucceedsWithValue(5));
-
-  EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(ChmodTest, FchmodFileToNoPermissionsSucceeds) {
-  // Drop capabilities that allow us to override file permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false));
-
-  auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileMode(0666));
-
-  int fd;
-  ASSERT_THAT(fd = open(file.path().c_str(), O_RDWR), SyscallSucceeds());
-
-  {
-    const DisableSave ds;  // Permissions are dropped.
-    ASSERT_THAT(fchmod(fd, 0), SyscallSucceeds());
-    EXPECT_THAT(close(fd), SyscallSucceeds());
-  }
-
-  EXPECT_THAT(open(file.path().c_str(), O_RDONLY),
-              SyscallFailsWithErrno(EACCES));
-}
-
-// Verify that we can get a RW FD after chmod, even if a RO fd is left open.
-TEST(ChmodTest, ChmodWritableWithOpenFD) {
-  // FIXME(b/72455313): broken on hostfs.
-  if (IsRunningOnGvisor()) {
-    return;
-  }
-
-  TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileMode(0444));
-
-  FileDescriptor fd1 = ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDONLY));
-
-  ASSERT_THAT(fchmod(fd1.get(), 0644), SyscallSucceeds());
-
-  // This FD is writable, even though fd1 has a read-only reference to the file.
-  FileDescriptor fd2 = ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
-
-  // fd1 is not writable, but fd2 is.
-  char c = 'a';
-  EXPECT_THAT(WriteFd(fd1.get(), &c, 1), SyscallFailsWithErrno(EBADF));
-  EXPECT_THAT(WriteFd(fd2.get(), &c, 1), SyscallSucceedsWithValue(1));
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor