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// Copyright 2021 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 <net/if.h>
#include <netinet/if_ether.h>
#include <limits>
#include "gtest/gtest.h"
#include "test/util/capability_util.h"
#include "test/util/file_descriptor.h"
#include "test/util/socket_util.h"
namespace gvisor {
namespace testing {
namespace {
using ::testing::Combine;
using ::testing::Values;
class PacketSocketTest : public ::testing::TestWithParam<std::tuple<int, int>> {
protected:
void SetUp() override {
if (!ASSERT_NO_ERRNO_AND_VALUE(HavePacketSocketCapability())) {
const auto [type, protocol] = GetParam();
ASSERT_THAT(socket(AF_PACKET, type, htons(protocol)),
SyscallFailsWithErrno(EPERM));
GTEST_SKIP() << "Missing packet socket capability";
}
}
};
TEST_P(PacketSocketTest, Create) {
const auto [type, protocol] = GetParam();
FileDescriptor fd =
ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_PACKET, type, htons(protocol)));
EXPECT_GE(fd.get(), 0);
}
INSTANTIATE_TEST_SUITE_P(AllPacketSocketTests, PacketSocketTest,
Combine(Values(SOCK_DGRAM, SOCK_RAW),
Values(0, 1, 255, ETH_P_IP, ETH_P_IPV6,
std::numeric_limits<uint16_t>::max())));
} // namespace
} // namespace testing
} // namespace gvisor
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