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// 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 <stdio.h>
#include <sys/un.h>
#include "gtest/gtest.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"
namespace gvisor {
namespace testing {
namespace {
// Test fixture for tests that apply to pairs of unbound seqpacket unix sockets.
using UnboundUnixSeqpacketSocketPairTest = SocketPairTest;
TEST_P(UnboundUnixSeqpacketSocketPairTest, SendtoWithoutConnect) {
auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
sockets->first_addr_size()),
SyscallSucceeds());
char data = 'a';
ASSERT_THAT(sendto(sockets->second_fd(), &data, sizeof(data), 0,
sockets->first_addr(), sockets->first_addr_size()),
SyscallFailsWithErrno(ENOTCONN));
}
TEST_P(UnboundUnixSeqpacketSocketPairTest, SendtoWithoutConnectIgnoresAddr) {
// FIXME(b/68223466): gVisor tries to find /foo/bar and thus returns ENOENT.
if (IsRunningOnGvisor()) {
return;
}
auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
sockets->first_addr_size()),
SyscallSucceeds());
// Even a bogus address is completely ignored.
constexpr char kPath[] = "/foo/bar";
// Sanity check that kPath doesn't exist.
struct stat s;
ASSERT_THAT(stat(kPath, &s), SyscallFailsWithErrno(ENOENT));
struct sockaddr_un addr = {};
addr.sun_family = AF_UNIX;
memcpy(addr.sun_path, kPath, sizeof(kPath));
char data = 'a';
ASSERT_THAT(
sendto(sockets->second_fd(), &data, sizeof(data), 0,
reinterpret_cast<const struct sockaddr*>(&addr), sizeof(addr)),
SyscallFailsWithErrno(ENOTCONN));
}
INSTANTIATE_TEST_SUITE_P(
AllUnixDomainSockets, UnboundUnixSeqpacketSocketPairTest,
::testing::ValuesIn(IncludeReversals(VecCat<SocketPairKind>(
ApplyVec<SocketPairKind>(
FilesystemUnboundUnixDomainSocketPair,
AllBitwiseCombinations(List<int>{SOCK_SEQPACKET},
List<int>{0, SOCK_NONBLOCK})),
ApplyVec<SocketPairKind>(
AbstractUnboundUnixDomainSocketPair,
AllBitwiseCombinations(List<int>{SOCK_SEQPACKET},
List<int>{0, SOCK_NONBLOCK}))))));
} // namespace
} // namespace testing
} // namespace gvisor
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