117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <sys/un.h>
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#include "gtest/gtest.h"
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#include "gtest/gtest.h"
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#include "test/syscalls/linux/socket_test_util.h"
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#include "test/syscalls/linux/unix_domain_socket_test_util.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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// Test fixture for tests that apply to pairs of unbound abstract unix sockets.
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using UnboundAbstractUnixSocketPairTest = SocketPairTest;
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TEST_P(UnboundAbstractUnixSocketPairTest, AddressAfterNull) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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struct sockaddr_un addr =
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*reinterpret_cast<const struct sockaddr_un*>(sockets->first_addr());
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ASSERT_EQ(addr.sun_path[sizeof(addr.sun_path) - 1], 0);
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SKIP_IF(addr.sun_path[sizeof(addr.sun_path) - 2] != 0 ||
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addr.sun_path[sizeof(addr.sun_path) - 3] != 0);
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addr.sun_path[sizeof(addr.sun_path) - 2] = 'a';
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ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
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sockets->first_addr_size()),
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SyscallSucceeds());
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ASSERT_THAT(bind(sockets->second_fd(),
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reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr)),
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SyscallSucceeds());
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}
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TEST_P(UnboundAbstractUnixSocketPairTest, ShortAddressNotExtended) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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struct sockaddr_un addr =
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*reinterpret_cast<const struct sockaddr_un*>(sockets->first_addr());
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ASSERT_EQ(addr.sun_path[sizeof(addr.sun_path) - 1], 0);
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ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
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sockets->first_addr_size() - 1),
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SyscallSucceeds());
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ASSERT_THAT(bind(sockets->second_fd(), sockets->first_addr(),
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sockets->first_addr_size()),
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SyscallSucceeds());
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}
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TEST_P(UnboundAbstractUnixSocketPairTest, BindNothing) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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struct sockaddr_un addr = {.sun_family = AF_UNIX};
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ASSERT_THAT(bind(sockets->first_fd(),
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reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr)),
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SyscallSucceeds());
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}
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TEST_P(UnboundAbstractUnixSocketPairTest, GetSockNameFullLength) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
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sockets->first_addr_size()),
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SyscallSucceeds());
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sockaddr_storage addr = {};
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socklen_t addr_len = sizeof(addr);
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ASSERT_THAT(getsockname(sockets->first_fd(),
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reinterpret_cast<struct sockaddr*>(&addr), &addr_len),
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SyscallSucceeds());
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EXPECT_EQ(addr_len, sockets->first_addr_size());
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}
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TEST_P(UnboundAbstractUnixSocketPairTest, GetSockNamePartialLength) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
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sockets->first_addr_size() - 1),
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SyscallSucceeds());
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sockaddr_storage addr = {};
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socklen_t addr_len = sizeof(addr);
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ASSERT_THAT(getsockname(sockets->first_fd(),
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reinterpret_cast<struct sockaddr*>(&addr), &addr_len),
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SyscallSucceeds());
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EXPECT_EQ(addr_len, sockets->first_addr_size() - 1);
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}
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INSTANTIATE_TEST_SUITE_P(
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AllUnixDomainSockets, UnboundAbstractUnixSocketPairTest,
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::testing::ValuesIn(ApplyVec<SocketPairKind>(
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AbstractUnboundUnixDomainSocketPair,
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AllBitwiseCombinations(List<int>{SOCK_STREAM, SOCK_SEQPACKET,
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SOCK_DGRAM},
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List<int>{0, SOCK_NONBLOCK}))));
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} // namespace
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} // namespace testing
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} // namespace gvisor
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