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Diffstat (limited to 'test/syscalls/linux/open_create.cc')
-rw-r--r--test/syscalls/linux/open_create.cc155
1 files changed, 0 insertions, 155 deletions
diff --git a/test/syscalls/linux/open_create.cc b/test/syscalls/linux/open_create.cc
deleted file mode 100644
index 51eacf3f2..000000000
--- a/test/syscalls/linux/open_create.cc
+++ /dev/null
@@ -1,155 +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 <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#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/temp_umask.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-TEST(CreateTest, TmpFile) {
- int fd;
- EXPECT_THAT(fd = open(JoinPath(GetAbsoluteTestTmpdir(), "a").c_str(),
- O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(CreateTest, ExistingFile) {
- int fd;
- EXPECT_THAT(
- fd = open(JoinPath(GetAbsoluteTestTmpdir(), "ExistingFile").c_str(),
- O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- EXPECT_THAT(close(fd), SyscallSucceeds());
-
- EXPECT_THAT(
- fd = open(JoinPath(GetAbsoluteTestTmpdir(), "ExistingFile").c_str(),
- O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(CreateTest, CreateAtFile) {
- int dirfd;
- EXPECT_THAT(dirfd = open(GetAbsoluteTestTmpdir().c_str(), O_DIRECTORY, 0666),
- SyscallSucceeds());
- EXPECT_THAT(openat(dirfd, "CreateAtFile", O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- EXPECT_THAT(close(dirfd), SyscallSucceeds());
-}
-
-TEST(CreateTest, HonorsUmask_NoRandomSave) {
- const DisableSave ds; // file cannot be re-opened as writable.
- TempUmask mask(0222);
- int fd;
- ASSERT_THAT(
- fd = open(JoinPath(GetAbsoluteTestTmpdir(), "UmaskedFile").c_str(),
- O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- struct stat statbuf;
- ASSERT_THAT(fstat(fd, &statbuf), SyscallSucceeds());
- EXPECT_EQ(0444, statbuf.st_mode & 0777);
- EXPECT_THAT(close(fd), SyscallSucceeds());
-}
-
-TEST(CreateTest, CreateExclusively) {
- std::string filename = NewTempAbsPath();
-
- int fd;
- ASSERT_THAT(fd = open(filename.c_str(), O_CREAT | O_RDWR, 0644),
- SyscallSucceeds());
- EXPECT_THAT(close(fd), SyscallSucceeds());
-
- EXPECT_THAT(open(filename.c_str(), O_CREAT | O_EXCL | O_RDWR, 0644),
- SyscallFailsWithErrno(EEXIST));
-}
-
-TEST(CreateTeast, CreatWithOTrunc) {
- std::string dirpath = JoinPath(GetAbsoluteTestTmpdir(), "truncd");
- ASSERT_THAT(mkdir(dirpath.c_str(), 0777), SyscallSucceeds());
- ASSERT_THAT(open(dirpath.c_str(), O_CREAT | O_TRUNC, 0666),
- SyscallFailsWithErrno(EISDIR));
-}
-
-TEST(CreateTeast, CreatDirWithOTruncAndReadOnly) {
- std::string dirpath = JoinPath(GetAbsoluteTestTmpdir(), "truncd");
- ASSERT_THAT(mkdir(dirpath.c_str(), 0777), SyscallSucceeds());
- ASSERT_THAT(open(dirpath.c_str(), O_CREAT | O_TRUNC | O_RDONLY, 0666),
- SyscallFailsWithErrno(EISDIR));
-}
-
-TEST(CreateTeast, CreatFileWithOTruncAndReadOnly) {
- std::string dirpath = JoinPath(GetAbsoluteTestTmpdir(), "truncfile");
- int dirfd;
- ASSERT_THAT(dirfd = open(dirpath.c_str(), O_RDWR | O_CREAT, 0666),
- SyscallSucceeds());
- ASSERT_THAT(open(dirpath.c_str(), O_CREAT | O_TRUNC | O_RDONLY, 0666),
- SyscallSucceeds());
- ASSERT_THAT(close(dirfd), SyscallSucceeds());
-}
-
-TEST(CreateTest, CreateFailsOnUnpermittedDir) {
- // Make sure we don't have CAP_DAC_OVERRIDE, since that allows the user to
- // always override directory permissions.
- ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
- ASSERT_THAT(open("/foo", O_CREAT | O_RDWR, 0644),
- SyscallFailsWithErrno(EACCES));
-}
-
-TEST(CreateTest, CreateFailsOnDirWithoutWritePerms) {
- // Make sure we don't have CAP_DAC_OVERRIDE, since that allows the user to
- // always override directory permissions.
- ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
- auto parent = ASSERT_NO_ERRNO_AND_VALUE(
- TempPath::CreateDirWith(GetAbsoluteTestTmpdir(), 0555));
- auto file = JoinPath(parent.path(), "foo");
- ASSERT_THAT(open(file.c_str(), O_CREAT | O_RDWR, 0644),
- SyscallFailsWithErrno(EACCES));
-}
-
-// A file originally created RW, but opened RO can later be opened RW.
-// Regression test for b/65385065.
-TEST(CreateTest, OpenCreateROThenRW) {
- TempPath file(NewTempAbsPath());
-
- // Create a RW file, but only open it RO.
- FileDescriptor fd1 = ASSERT_NO_ERRNO_AND_VALUE(
- Open(file.path(), O_CREAT | O_EXCL | O_RDONLY, 0644));
-
- // Now get a RW FD.
- 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