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-rw-r--r--test/syscalls/linux/mknod.cc234
1 files changed, 0 insertions, 234 deletions
diff --git a/test/syscalls/linux/mknod.cc b/test/syscalls/linux/mknod.cc
deleted file mode 100644
index 1635c6d0c..000000000
--- a/test/syscalls/linux/mknod.cc
+++ /dev/null
@@ -1,234 +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/socket.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/un.h>
-#include <unistd.h>
-
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-#include "test/util/thread_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-TEST(MknodTest, RegularFile) {
- const std::string node0 = NewTempAbsPath();
- EXPECT_THAT(mknod(node0.c_str(), S_IFREG, 0), SyscallSucceeds());
-
- const std::string node1 = NewTempAbsPath();
- EXPECT_THAT(mknod(node1.c_str(), 0, 0), SyscallSucceeds());
-}
-
-TEST(MknodTest, RegularFilePermissions) {
- const std::string node = NewTempAbsPath();
- mode_t newUmask = 0077;
- umask(newUmask);
-
- // Attempt to open file with mode 0777. Not specifying file type should create
- // a regualar file.
- mode_t perms = S_IRWXU | S_IRWXG | S_IRWXO;
- EXPECT_THAT(mknod(node.c_str(), perms, 0), SyscallSucceeds());
-
- // In the absence of a default ACL, the permissions of the created node are
- // (mode & ~umask). -- mknod(2)
- mode_t wantPerms = perms & ~newUmask;
- struct stat st;
- ASSERT_THAT(stat(node.c_str(), &st), SyscallSucceeds());
- ASSERT_EQ(st.st_mode & 0777, wantPerms);
-
- // "Zero file type is equivalent to type S_IFREG." - mknod(2)
- ASSERT_EQ(st.st_mode & S_IFMT, S_IFREG);
-}
-
-TEST(MknodTest, MknodAtFIFO) {
- const TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
- const std::string fifo_relpath = NewTempRelPath();
- const std::string fifo = JoinPath(dir.path(), fifo_relpath);
-
- const FileDescriptor dirfd =
- ASSERT_NO_ERRNO_AND_VALUE(Open(dir.path().c_str(), O_RDONLY));
- ASSERT_THAT(mknodat(dirfd.get(), fifo_relpath.c_str(), S_IFIFO | S_IRUSR, 0),
- SyscallSucceeds());
-
- struct stat st;
- ASSERT_THAT(stat(fifo.c_str(), &st), SyscallSucceeds());
- EXPECT_TRUE(S_ISFIFO(st.st_mode));
-}
-
-TEST(MknodTest, MknodOnExistingPathFails) {
- const TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
- const TempPath slink = ASSERT_NO_ERRNO_AND_VALUE(
- TempPath::CreateSymlinkTo(GetAbsoluteTestTmpdir(), file.path()));
-
- EXPECT_THAT(mknod(file.path().c_str(), S_IFREG, 0),
- SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(file.path().c_str(), S_IFIFO, 0),
- SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(slink.path().c_str(), S_IFREG, 0),
- SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(slink.path().c_str(), S_IFIFO, 0),
- SyscallFailsWithErrno(EEXIST));
-}
-
-TEST(MknodTest, UnimplementedTypesReturnError) {
- // TODO(gvisor.dev/issue/1624): These file types are supported by some
- // filesystems in VFS2, so this test should be deleted along with VFS1.
- SKIP_IF(!IsRunningWithVFS1());
-
- const std::string path = NewTempAbsPath();
- EXPECT_THAT(mknod(path.c_str(), S_IFSOCK, 0),
- SyscallFailsWithErrno(EOPNOTSUPP));
- EXPECT_THAT(mknod(path.c_str(), S_IFCHR, 0), SyscallFailsWithErrno(EPERM));
- EXPECT_THAT(mknod(path.c_str(), S_IFBLK, 0), SyscallFailsWithErrno(EPERM));
-}
-
-TEST(MknodTest, Socket) {
- SKIP_IF(IsRunningOnGvisor() && IsRunningWithVFS1());
-
- ASSERT_THAT(chdir(GetAbsoluteTestTmpdir().c_str()), SyscallSucceeds());
-
- auto filename = NewTempRelPath();
-
- ASSERT_THAT(mknod(filename.c_str(), S_IFSOCK | S_IRUSR | S_IWUSR, 0),
- SyscallSucceeds());
-
- int sk;
- ASSERT_THAT(sk = socket(AF_UNIX, SOCK_SEQPACKET, 0), SyscallSucceeds());
- FileDescriptor fd(sk);
-
- struct sockaddr_un addr = {.sun_family = AF_UNIX};
- absl::SNPrintF(addr.sun_path, sizeof(addr.sun_path), "%s", filename.c_str());
- ASSERT_THAT(connect(sk, (struct sockaddr *)&addr, sizeof(addr)),
- SyscallFailsWithErrno(ECONNREFUSED));
- ASSERT_THAT(unlink(filename.c_str()), SyscallSucceeds());
-}
-
-PosixErrorOr<FileDescriptor> OpenRetryEINTR(std::string const& path, int flags,
- mode_t mode = 0) {
- while (true) {
- auto maybe_fd = Open(path, flags, mode);
- if (maybe_fd.ok() || maybe_fd.error().errno_value() != EINTR) {
- return maybe_fd;
- }
- }
-}
-
-TEST(MknodTest, Fifo) {
- const std::string fifo = NewTempAbsPath();
- ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
- SyscallSucceeds());
-
- struct stat st;
- ASSERT_THAT(stat(fifo.c_str(), &st), SyscallSucceeds());
- EXPECT_TRUE(S_ISFIFO(st.st_mode));
-
- std::string msg = "some std::string";
- std::vector<char> buf(512);
-
- // Read-end of the pipe.
- ScopedThread t([&fifo, &buf, &msg]() {
- FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY));
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
- SyscallSucceedsWithValue(msg.length()));
- EXPECT_EQ(msg, std::string(buf.data()));
- });
-
- // Write-end of the pipe.
- FileDescriptor wfd =
- ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_WRONLY));
- EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
- SyscallSucceedsWithValue(msg.length()));
-}
-
-TEST(MknodTest, FifoOtrunc) {
- const std::string fifo = NewTempAbsPath();
- ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
- SyscallSucceeds());
-
- struct stat st = {};
- ASSERT_THAT(stat(fifo.c_str(), &st), SyscallSucceeds());
- EXPECT_TRUE(S_ISFIFO(st.st_mode));
-
- std::string msg = "some std::string";
- std::vector<char> buf(512);
- // Read-end of the pipe.
- ScopedThread t([&fifo, &buf, &msg]() {
- FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY));
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
- SyscallSucceedsWithValue(msg.length()));
- EXPECT_EQ(msg, std::string(buf.data()));
- });
-
- // Write-end of the pipe.
- FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE(
- OpenRetryEINTR(fifo.c_str(), O_WRONLY | O_TRUNC));
- EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
- SyscallSucceedsWithValue(msg.length()));
-}
-
-TEST(MknodTest, FifoTruncNoOp) {
- const std::string fifo = NewTempAbsPath();
- ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
- SyscallSucceeds());
-
- EXPECT_THAT(truncate(fifo.c_str(), 0), SyscallFailsWithErrno(EINVAL));
-
- struct stat st = {};
- ASSERT_THAT(stat(fifo.c_str(), &st), SyscallSucceeds());
- EXPECT_TRUE(S_ISFIFO(st.st_mode));
-
- std::string msg = "some std::string";
- std::vector<char> buf(512);
- // Read-end of the pipe.
- ScopedThread t([&fifo, &buf, &msg]() {
- FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY));
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
- SyscallSucceedsWithValue(msg.length()));
- EXPECT_EQ(msg, std::string(buf.data()));
- });
-
- FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE(
- OpenRetryEINTR(fifo.c_str(), O_WRONLY | O_TRUNC));
- EXPECT_THAT(ftruncate(wfd.get(), 0), SyscallFailsWithErrno(EINVAL));
- EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
- SyscallSucceedsWithValue(msg.length()));
- EXPECT_THAT(ftruncate(wfd.get(), 0), SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(MknodTest, MknodAtEmptyPath) {
- auto dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
- auto fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open(dir.path(), O_RDONLY | O_DIRECTORY, 0666));
- EXPECT_THAT(mknodat(fd.get(), "", S_IFREG | 0777, 0),
- SyscallFailsWithErrno(ENOENT));
-}
-
-} // namespace
-
-} // namespace testing
-} // namespace gvisor
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