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Diffstat (limited to 'test/syscalls/linux/socket_unix.cc')
-rw-r--r-- | test/syscalls/linux/socket_unix.cc | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/test/syscalls/linux/socket_unix.cc b/test/syscalls/linux/socket_unix.cc deleted file mode 100644 index 4cf1f76f1..000000000 --- a/test/syscalls/linux/socket_unix.cc +++ /dev/null @@ -1,273 +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 "test/syscalls/linux/socket_unix.h" - -#include <errno.h> -#include <net/if.h> -#include <stdio.h> -#include <sys/ioctl.h> -#include <sys/socket.h> -#include <sys/types.h> -#include <sys/un.h> - -#include <vector> - -#include "gtest/gtest.h" -#include "absl/strings/string_view.h" -#include "test/syscalls/linux/socket_test_util.h" -#include "test/syscalls/linux/unix_domain_socket_test_util.h" -#include "test/util/test_util.h" -#include "test/util/thread_util.h" - -// This file contains tests specific to Unix domain sockets. It does not contain -// tests for UDS control messages. Those belong in socket_unix_cmsg.cc. -// -// This file is a generic socket test file. It must be built with another file -// that provides the test types. - -namespace gvisor { -namespace testing { - -namespace { - -TEST_P(UnixSocketPairTest, InvalidGetSockOpt) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - int opt; - socklen_t optlen = sizeof(opt); - EXPECT_THAT(getsockopt(sockets->first_fd(), SOL_SOCKET, -1, &opt, &optlen), - SyscallFailsWithErrno(ENOPROTOOPT)); -} - -TEST_P(UnixSocketPairTest, BindToBadName) { - auto pair = - ASSERT_NO_ERRNO_AND_VALUE(UnixDomainSocketPair(SOCK_SEQPACKET).Create()); - - constexpr char kBadName[] = "/some/path/that/does/not/exist"; - sockaddr_un sockaddr; - sockaddr.sun_family = AF_LOCAL; - memcpy(sockaddr.sun_path, kBadName, sizeof(kBadName)); - - EXPECT_THAT( - bind(pair->first_fd(), reinterpret_cast<struct sockaddr*>(&sockaddr), - sizeof(sockaddr)), - SyscallFailsWithErrno(ENOENT)); -} - -TEST_P(UnixSocketPairTest, BindToBadFamily) { - auto pair = - ASSERT_NO_ERRNO_AND_VALUE(UnixDomainSocketPair(SOCK_SEQPACKET).Create()); - - constexpr char kBadName[] = "/some/path/that/does/not/exist"; - sockaddr_un sockaddr; - sockaddr.sun_family = AF_INET; - memcpy(sockaddr.sun_path, kBadName, sizeof(kBadName)); - - EXPECT_THAT( - bind(pair->first_fd(), reinterpret_cast<struct sockaddr*>(&sockaddr), - sizeof(sockaddr)), - SyscallFailsWithErrno(EINVAL)); -} - -TEST_P(UnixSocketPairTest, RecvmmsgTimeoutAfterRecv) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - char sent_data[10]; - RandomizeBuffer(sent_data, sizeof(sent_data)); - - char received_data[sizeof(sent_data) * 2]; - std::vector<struct mmsghdr> msgs(2); - std::vector<struct iovec> iovs(msgs.size()); - const int chunk_size = sizeof(received_data) / msgs.size(); - for (size_t i = 0; i < msgs.size(); i++) { - iovs[i].iov_len = chunk_size; - iovs[i].iov_base = &received_data[i * chunk_size]; - msgs[i].msg_hdr.msg_iov = &iovs[i]; - msgs[i].msg_hdr.msg_iovlen = 1; - } - - ASSERT_THAT(WriteFd(sockets->first_fd(), sent_data, sizeof(sent_data)), - SyscallSucceedsWithValue(sizeof(sent_data))); - - struct timespec timeout = {0, 1}; - ASSERT_THAT(RetryEINTR(recvmmsg)(sockets->second_fd(), &msgs[0], msgs.size(), - 0, &timeout), - SyscallSucceedsWithValue(1)); - - EXPECT_EQ(0, memcmp(sent_data, received_data, sizeof(sent_data))); - - EXPECT_EQ(chunk_size, msgs[0].msg_len); -} - -TEST_P(UnixSocketPairTest, TIOCINQSucceeds) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - if (IsRunningOnGvisor()) { - // TODO(gvisor.dev/issue/273): Inherited host UDS don't support TIOCINQ. - // Skip the test. - int size = -1; - int ret = ioctl(sockets->first_fd(), TIOCINQ, &size); - SKIP_IF(ret == -1 && errno == ENOTTY); - } - - int size = -1; - EXPECT_THAT(ioctl(sockets->first_fd(), TIOCINQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, 0); - - const char some_data[] = "dangerzone"; - ASSERT_THAT( - RetryEINTR(send)(sockets->second_fd(), &some_data, sizeof(some_data), 0), - SyscallSucceeds()); - EXPECT_THAT(ioctl(sockets->first_fd(), TIOCINQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, sizeof(some_data)); - - // Linux only reports the first message's size, which is wrong. We test for - // the behavior described in the man page. - SKIP_IF(!IsRunningOnGvisor()); - - ASSERT_THAT( - RetryEINTR(send)(sockets->second_fd(), &some_data, sizeof(some_data), 0), - SyscallSucceeds()); - EXPECT_THAT(ioctl(sockets->first_fd(), TIOCINQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, sizeof(some_data) * 2); -} - -TEST_P(UnixSocketPairTest, TIOCOUTQSucceeds) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - if (IsRunningOnGvisor()) { - // TODO(gvisor.dev/issue/273): Inherited host UDS don't support TIOCOUTQ. - // Skip the test. - int size = -1; - int ret = ioctl(sockets->second_fd(), TIOCOUTQ, &size); - SKIP_IF(ret == -1 && errno == ENOTTY); - } - - int size = -1; - EXPECT_THAT(ioctl(sockets->second_fd(), TIOCOUTQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, 0); - - // Linux reports bogus numbers which are related to its internal allocations. - // We test for the behavior described in the man page. - SKIP_IF(!IsRunningOnGvisor()); - - const char some_data[] = "dangerzone"; - ASSERT_THAT( - RetryEINTR(send)(sockets->second_fd(), &some_data, sizeof(some_data), 0), - SyscallSucceeds()); - EXPECT_THAT(ioctl(sockets->second_fd(), TIOCOUTQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, sizeof(some_data)); - - ASSERT_THAT( - RetryEINTR(send)(sockets->second_fd(), &some_data, sizeof(some_data), 0), - SyscallSucceeds()); - EXPECT_THAT(ioctl(sockets->second_fd(), TIOCOUTQ, &size), SyscallSucceeds()); - EXPECT_EQ(size, sizeof(some_data) * 2); -} - -TEST_P(UnixSocketPairTest, NetdeviceIoctlsSucceed) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - // Prepare the request. - struct ifreq ifr; - snprintf(ifr.ifr_name, IFNAMSIZ, "lo"); - - // Check that the ioctl either succeeds or fails with ENODEV. - int err = ioctl(sockets->first_fd(), SIOCGIFINDEX, &ifr); - if (err < 0) { - ASSERT_EQ(errno, ENODEV); - } -} - -TEST_P(UnixSocketPairTest, Shutdown) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - const std::string data = "abc"; - ASSERT_THAT(WriteFd(sockets->first_fd(), data.c_str(), data.size()), - SyscallSucceedsWithValue(data.size())); - - ASSERT_THAT(shutdown(sockets->first_fd(), SHUT_RDWR), SyscallSucceeds()); - ASSERT_THAT(shutdown(sockets->second_fd(), SHUT_RDWR), SyscallSucceeds()); - - // Shutting down a socket does not clear the buffer. - char buf[3]; - ASSERT_THAT(ReadFd(sockets->second_fd(), buf, data.size()), - SyscallSucceedsWithValue(data.size())); - EXPECT_EQ(data, absl::string_view(buf, data.size())); -} - -TEST_P(UnixSocketPairTest, ShutdownRead) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - ASSERT_THAT(shutdown(sockets->first_fd(), SHUT_RD), SyscallSucceeds()); - - // When the socket is shutdown for read, read behavior varies between - // different socket types. This is covered by the various ReadOneSideClosed - // test cases. - - // ... and the peer cannot write. - const std::string data = "abc"; - EXPECT_THAT(WriteFd(sockets->second_fd(), data.c_str(), data.size()), - SyscallFailsWithErrno(EPIPE)); - - // ... but the socket can still write. - ASSERT_THAT(WriteFd(sockets->first_fd(), data.c_str(), data.size()), - SyscallSucceedsWithValue(data.size())); - - // ... and the peer can still read. - char buf[3]; - EXPECT_THAT(ReadFd(sockets->second_fd(), buf, data.size()), - SyscallSucceedsWithValue(data.size())); - EXPECT_EQ(data, absl::string_view(buf, data.size())); -} - -TEST_P(UnixSocketPairTest, ShutdownWrite) { - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - ASSERT_THAT(shutdown(sockets->first_fd(), SHUT_WR), SyscallSucceeds()); - - // When the socket is shutdown for write, it cannot write. - const std::string data = "abc"; - EXPECT_THAT(WriteFd(sockets->first_fd(), data.c_str(), data.size()), - SyscallFailsWithErrno(EPIPE)); - - // ... and the peer read behavior varies between different socket types. This - // is covered by the various ReadOneSideClosed test cases. - - // ... but the peer can still write. - char buf[3]; - ASSERT_THAT(WriteFd(sockets->second_fd(), data.c_str(), data.size()), - SyscallSucceedsWithValue(data.size())); - - // ... and the socket can still read. - EXPECT_THAT(ReadFd(sockets->first_fd(), buf, data.size()), - SyscallSucceedsWithValue(data.size())); - EXPECT_EQ(data, absl::string_view(buf, data.size())); -} - -TEST_P(UnixSocketPairTest, SocketReopenFromProcfs) { - // TODO(b/122310852): We should be returning ENXIO and NOT EIO. - SKIP_IF(IsRunningOnGvisor()); - auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); - - // Opening a socket pair via /proc/self/fd/X is a ENXIO. - for (const int fd : {sockets->first_fd(), sockets->second_fd()}) { - ASSERT_THAT(Open(absl::StrCat("/proc/self/fd/", fd), O_WRONLY), - PosixErrorIs(ENXIO, ::testing::_)); - } -} - -} // namespace - -} // namespace testing -} // namespace gvisor |