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Diffstat (limited to 'test/syscalls/linux/socket_ip_unbound.cc')
-rw-r--r-- | test/syscalls/linux/socket_ip_unbound.cc | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/test/syscalls/linux/socket_ip_unbound.cc b/test/syscalls/linux/socket_ip_unbound.cc deleted file mode 100644 index b02872308..000000000 --- a/test/syscalls/linux/socket_ip_unbound.cc +++ /dev/null @@ -1,378 +0,0 @@ -// Copyright 2019 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 <arpa/inet.h> -#include <netinet/in.h> -#include <sys/socket.h> -#include <sys/types.h> -#include <sys/un.h> - -#include <cstdio> -#include <cstring> - -#include "gmock/gmock.h" -#include "gtest/gtest.h" -#include "test/syscalls/linux/ip_socket_test_util.h" -#include "test/syscalls/linux/socket_test_util.h" -#include "test/util/test_util.h" - -namespace gvisor { -namespace testing { - -// Test fixture for tests that apply to pairs of IP sockets. -using IPUnboundSocketTest = SimpleSocketTest; - -TEST_P(IPUnboundSocketTest, TtlDefault) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), IPPROTO_IP, IP_TTL, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get, 64); - EXPECT_EQ(get_sz, sizeof(get)); -} - -TEST_P(IPUnboundSocketTest, SetTtl) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int get1 = -1; - socklen_t get1_sz = sizeof(get1); - EXPECT_THAT(getsockopt(socket->get(), IPPROTO_IP, IP_TTL, &get1, &get1_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get1_sz, sizeof(get1)); - - int set = 100; - if (set == get1) { - set += 1; - } - socklen_t set_sz = sizeof(set); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set, set_sz), - SyscallSucceedsWithValue(0)); - - int get2 = -1; - socklen_t get2_sz = sizeof(get2); - EXPECT_THAT(getsockopt(socket->get(), IPPROTO_IP, IP_TTL, &get2, &get2_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get2_sz, sizeof(get2)); - EXPECT_EQ(get2, set); -} - -TEST_P(IPUnboundSocketTest, ResetTtlToDefault) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int get1 = -1; - socklen_t get1_sz = sizeof(get1); - EXPECT_THAT(getsockopt(socket->get(), IPPROTO_IP, IP_TTL, &get1, &get1_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get1_sz, sizeof(get1)); - - int set1 = 100; - if (set1 == get1) { - set1 += 1; - } - socklen_t set1_sz = sizeof(set1); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set1, set1_sz), - SyscallSucceedsWithValue(0)); - - int set2 = -1; - socklen_t set2_sz = sizeof(set2); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set2, set2_sz), - SyscallSucceedsWithValue(0)); - - int get2 = -1; - socklen_t get2_sz = sizeof(get2); - EXPECT_THAT(getsockopt(socket->get(), IPPROTO_IP, IP_TTL, &get2, &get2_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get2_sz, sizeof(get2)); - EXPECT_EQ(get2, get1); -} - -TEST_P(IPUnboundSocketTest, ZeroTtl) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int set = 0; - socklen_t set_sz = sizeof(set); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); -} - -TEST_P(IPUnboundSocketTest, InvalidLargeTtl) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int set = 256; - socklen_t set_sz = sizeof(set); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); -} - -TEST_P(IPUnboundSocketTest, InvalidNegativeTtl) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int set = -2; - socklen_t set_sz = sizeof(set); - EXPECT_THAT(setsockopt(socket->get(), IPPROTO_IP, IP_TTL, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); -} - -struct TOSOption { - int level; - int option; -}; - -constexpr int INET_ECN_MASK = 3; - -static TOSOption GetTOSOption(int domain) { - TOSOption opt; - switch (domain) { - case AF_INET: - opt.level = IPPROTO_IP; - opt.option = IP_TOS; - break; - case AF_INET6: - opt.level = IPPROTO_IPV6; - opt.option = IPV6_TCLASS; - break; - } - return opt; -} - -TEST_P(IPUnboundSocketTest, TOSDefault) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - TOSOption t = GetTOSOption(GetParam().domain); - int get = -1; - socklen_t get_sz = sizeof(get); - constexpr int kDefaultTOS = 0; - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, kDefaultTOS); -} - -TEST_P(IPUnboundSocketTest, SetTOS) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0xC0; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, set); -} - -TEST_P(IPUnboundSocketTest, ZeroTOS) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, set); -} - -TEST_P(IPUnboundSocketTest, InvalidLargeTOS) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - // Test with exceeding the byte space. - int set = 256; - constexpr int kDefaultTOS = 0; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - if (GetParam().domain == AF_INET) { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - } else { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); - } - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, kDefaultTOS); -} - -TEST_P(IPUnboundSocketTest, CheckSkipECN) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0xFF; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - int expect = static_cast<uint8_t>(set); - if (GetParam().protocol == IPPROTO_TCP) { - expect &= ~INET_ECN_MASK; - } - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, expect); -} - -TEST_P(IPUnboundSocketTest, ZeroTOSOptionSize) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0xC0; - socklen_t set_sz = 0; - TOSOption t = GetTOSOption(GetParam().domain); - if (GetParam().domain == AF_INET) { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - } else { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); - } - int get = -1; - socklen_t get_sz = 0; - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, 0); - EXPECT_EQ(get, -1); -} - -TEST_P(IPUnboundSocketTest, SmallTOSOptionSize) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0xC0; - constexpr int kDefaultTOS = 0; - TOSOption t = GetTOSOption(GetParam().domain); - for (socklen_t i = 1; i < sizeof(int); i++) { - int expect_tos; - socklen_t expect_sz; - if (GetParam().domain == AF_INET) { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, i), - SyscallSucceedsWithValue(0)); - expect_tos = set; - expect_sz = sizeof(uint8_t); - } else { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, i), - SyscallFailsWithErrno(EINVAL)); - expect_tos = kDefaultTOS; - expect_sz = i; - } - uint get = -1; - socklen_t get_sz = i; - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, expect_sz); - // Account for partial copies by getsockopt, retrieve the lower - // bits specified by get_sz, while comparing against expect_tos. - EXPECT_EQ(get & ~(~0 << (get_sz * 8)), expect_tos); - } -} - -TEST_P(IPUnboundSocketTest, LargeTOSOptionSize) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = 0xC0; - TOSOption t = GetTOSOption(GetParam().domain); - for (socklen_t i = sizeof(int); i < 10; i++) { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, i), - SyscallSucceedsWithValue(0)); - int get = -1; - socklen_t get_sz = i; - // We expect the system call handler to only copy atmost sizeof(int) bytes - // as asserted by the check below. Hence, we do not expect the copy to - // overflow in getsockopt. - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(int)); - EXPECT_EQ(get, set); - } -} - -TEST_P(IPUnboundSocketTest, NegativeTOS) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - - int set = -1; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - int expect; - if (GetParam().domain == AF_INET) { - expect = static_cast<uint8_t>(set); - if (GetParam().protocol == IPPROTO_TCP) { - expect &= ~INET_ECN_MASK; - } - } else { - // On IPv6 TCLASS, setting -1 has the effect of resetting the - // TrafficClass. - expect = 0; - } - int get = -1; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, expect); -} - -TEST_P(IPUnboundSocketTest, InvalidNegativeTOS) { - auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - int set = -2; - socklen_t set_sz = sizeof(set); - TOSOption t = GetTOSOption(GetParam().domain); - int expect; - if (GetParam().domain == AF_INET) { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallSucceedsWithValue(0)); - expect = static_cast<uint8_t>(set); - if (GetParam().protocol == IPPROTO_TCP) { - expect &= ~INET_ECN_MASK; - } - } else { - EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, &set, set_sz), - SyscallFailsWithErrno(EINVAL)); - expect = 0; - } - int get = 0; - socklen_t get_sz = sizeof(get); - EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, &get_sz), - SyscallSucceedsWithValue(0)); - EXPECT_EQ(get_sz, sizeof(get)); - EXPECT_EQ(get, expect); -} - -INSTANTIATE_TEST_SUITE_P( - IPUnboundSockets, IPUnboundSocketTest, - ::testing::ValuesIn(VecCat<SocketKind>(VecCat<SocketKind>( - ApplyVec<SocketKind>(IPv4UDPUnboundSocket, - AllBitwiseCombinations(List<int>{SOCK_DGRAM}, - List<int>{0, - SOCK_NONBLOCK})), - ApplyVec<SocketKind>(IPv6UDPUnboundSocket, - AllBitwiseCombinations(List<int>{SOCK_DGRAM}, - List<int>{0, - SOCK_NONBLOCK})), - ApplyVec<SocketKind>(IPv4TCPUnboundSocket, - AllBitwiseCombinations(List<int>{SOCK_STREAM}, - List<int>{0, - SOCK_NONBLOCK})), - ApplyVec<SocketKind>(IPv6TCPUnboundSocket, - AllBitwiseCombinations(List<int>{SOCK_STREAM}, - List<int>{ - 0, SOCK_NONBLOCK})))))); - -} // namespace testing -} // namespace gvisor |