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Syscall test for connecting to unspecified address

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For an active OPEN call with unspecified foreign socket, TCP MUST
return error: foreign socket unspecified

PiperOrigin-RevId: 352961691
This commit is contained in:
Zeling Feng
2021-01-21 00:44:49 -08:00
committed by gVisor bot
parent 2c58af2264
commit 60b07541db
1 changed files with 23 additions and 0 deletions
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test/syscalls/linux/tcp_socket.cc
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@@ -2008,6 +2008,29 @@ TEST_P(SimpleTcpSocketTest, GetSocketAcceptConnWithShutdown) {
EXPECT_EQ(got, 0);
}
// Tests that connecting to an unspecified address results in ECONNREFUSED.
TEST_P(SimpleTcpSocketTest, ConnectUnspecifiedAddress) {
sockaddr_storage addr;
socklen_t addrlen = sizeof(addr);
memset(&addr, 0, addrlen);
addr.ss_family = GetParam();
auto do_connect = [&addr, addrlen]() {
FileDescriptor s = ASSERT_NO_ERRNO_AND_VALUE(
Socket(addr.ss_family, SOCK_STREAM, IPPROTO_TCP));
ASSERT_THAT(
RetryEINTR(connect)(s.get(), reinterpret_cast<struct sockaddr*>(&addr),
addrlen),
SyscallFailsWithErrno(ECONNREFUSED));
};
do_connect();
// Test the v4 mapped address as well.
if (GetParam() == AF_INET6) {
auto sin6 = reinterpret_cast<struct sockaddr_in6*>(&addr);
sin6->sin6_addr.s6_addr[10] = sin6->sin6_addr.s6_addr[11] = 0xff;
do_connect();
}
}
INSTANTIATE_TEST_SUITE_P(AllInetTests, SimpleTcpSocketTest,
::testing::Values(AF_INET, AF_INET6));