From f3d95607036b8a502c65aa7b3e8145227274dbbc Mon Sep 17 00:00:00 2001 From: Eyal Soha Date: Wed, 5 Feb 2020 17:56:00 -0800 Subject: recv() on a closed TCP socket returns ENOTCONN From RFC 793 s3.9 p58 Event Processing: If RECEIVE Call arrives in CLOSED state and the user has access to such a connection, the return should be "error: connection does not exist" Fixes #1598 PiperOrigin-RevId: 293494287 --- test/syscalls/linux/tcp_socket.cc | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'test') diff --git a/test/syscalls/linux/tcp_socket.cc b/test/syscalls/linux/tcp_socket.cc index 525ccbd88..8a8b68e75 100644 --- a/test/syscalls/linux/tcp_socket.cc +++ b/test/syscalls/linux/tcp_socket.cc @@ -1339,6 +1339,15 @@ TEST_P(SimpleTcpSocketTest, SetTCPDeferAcceptGreaterThanZero) { EXPECT_EQ(get, kTCPDeferAccept); } +TEST_P(SimpleTcpSocketTest, RecvOnClosedSocket) { + auto s = + ASSERT_NO_ERRNO_AND_VALUE(Socket(GetParam(), SOCK_STREAM, IPPROTO_TCP)); + char buf[1]; + EXPECT_THAT(recv(s.get(), buf, 0, 0), SyscallFailsWithErrno(ENOTCONN)); + EXPECT_THAT(recv(s.get(), buf, sizeof(buf), 0), + SyscallFailsWithErrno(ENOTCONN)); +} + INSTANTIATE_TEST_SUITE_P(AllInetTests, SimpleTcpSocketTest, ::testing::Values(AF_INET, AF_INET6)); -- cgit v1.2.3