1 files changed, 0 insertions, 443 deletions
diff --git a/test/syscalls/linux/socket_ip_unbound.cc b/test/syscalls/linux/socket_ip_unbound.cc
deleted file mode 100644
index ca597e267..000000000
--- a/test/syscalls/linux/socket_ip_unbound.cc
+++ /dev/null
@@ -1,443 +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;
-  int cmsg_level;
-};
-
-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;
-      opt.cmsg_level = SOL_IP;
-      break;
-    case AF_INET6:
-      opt.level = IPPROTO_IPV6;
-      opt.option = IPV6_TCLASS;
-      opt.cmsg_level = SOL_IPV6;
-      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);
-}
-
-TEST_P(IPUnboundSocketTest, NullTOS) {
-  auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket());
-  TOSOption t = GetTOSOption(GetParam().domain);
-  int set_sz = sizeof(int);
-  if (GetParam().domain == AF_INET) {
-    EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, nullptr, set_sz),
-                SyscallFailsWithErrno(EFAULT));
-  } else {  // AF_INET6
-    // The AF_INET6 behavior is not yet compatible. gVisor will try to read
-    // optval from user memory at syscall handler, it needs substantial
-    // refactoring to implement this behavior just for IPv6.
-    if (IsRunningOnGvisor()) {
-      EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, nullptr, set_sz),
-                  SyscallFailsWithErrno(EFAULT));
-    } else {
-      // Linux's IPv6 stack treats nullptr optval as input of 0, so the call
-      // succeeds. (net/ipv6/ipv6_sockglue.c, do_ipv6_setsockopt())
-      //
-      // Linux's implementation would need fixing as passing a nullptr as optval
-      // and non-zero optlen may not be valid.
-      EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, nullptr, set_sz),
-                  SyscallSucceedsWithValue(0));
-    }
-  }
-  socklen_t get_sz = sizeof(int);
-  EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, nullptr, &get_sz),
-              SyscallFailsWithErrno(EFAULT));
-  int get = -1;
-  EXPECT_THAT(getsockopt(socket->get(), t.level, t.option, &get, nullptr),
-              SyscallFailsWithErrno(EFAULT));
-}
-
-TEST_P(IPUnboundSocketTest, InsufficientBufferTOS) {
-  SKIP_IF(GetParam().protocol == IPPROTO_TCP);
-
-  auto socket = ASSERT_NO_ERRNO_AND_VALUE(NewSocket());
-  TOSOption t = GetTOSOption(GetParam().domain);
-
-  in_addr addr4;
-  in6_addr addr6;
-  ASSERT_THAT(inet_pton(AF_INET, "127.0.0.1", &addr4), ::testing::Eq(1));
-  ASSERT_THAT(inet_pton(AF_INET6, "fe80::", &addr6), ::testing::Eq(1));
-
-  cmsghdr cmsg = {};
-  cmsg.cmsg_len = sizeof(cmsg);
-  cmsg.cmsg_level = t.cmsg_level;
-  cmsg.cmsg_type = t.option;
-
-  msghdr msg = {};
-  msg.msg_control = &cmsg;
-  msg.msg_controllen = sizeof(cmsg);
-  if (GetParam().domain == AF_INET) {
-    msg.msg_name = &addr4;
-    msg.msg_namelen = sizeof(addr4);
-  } else {
-    msg.msg_name = &addr6;
-    msg.msg_namelen = sizeof(addr6);
-  }
-
-  EXPECT_THAT(sendmsg(socket->get(), &msg, 0), SyscallFailsWithErrno(EINVAL));
-}
-
-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