selftests/tls: add a litmus test for the socket reuse through shutdown (cd114d2e) · Commits · 戴 / test

Make sure that shutdown never works, and at the same time document how I tested to came to the conclusion that currently reuse is not possible. Signed-off-by:

Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

tools/testing/selftests/net/tls.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -984,6 +984,30 @@ TEST_F(tls, shutdown_unsent)
		shutdown(self->cfd, SHUT_RDWR);
		}

		TEST_F(tls, shutdown_reuse)
		{
		struct sockaddr_in addr;
		int ret;

		shutdown(self->fd, SHUT_RDWR);
		shutdown(self->cfd, SHUT_RDWR);
		close(self->cfd);

		addr.sin_family = AF_INET;
		addr.sin_addr.s_addr = htonl(INADDR_ANY);
		addr.sin_port = 0;

		ret = bind(self->fd, &addr, sizeof(addr));
		EXPECT_EQ(ret, 0);
		ret = listen(self->fd, 10);
		EXPECT_EQ(ret, -1);
		EXPECT_EQ(errno, EINVAL);

		ret = connect(self->fd, &addr, sizeof(addr));
		EXPECT_EQ(ret, -1);
		EXPECT_EQ(errno, EISCONN);
		}

		TEST(non_established) {
		struct tls12_crypto_info_aes_gcm_256 tls12;
		struct sockaddr_in addr;

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