selftests/tls: add a test for ULP but no keys

#define TLS_PAYLOAD_MAX_LEN 16384

#define SOL_TLS 282

#ifndef ENOTSUPP

#define ENOTSUPP 524

#endif

FIXTURE(tls_basic)

{

	int fd, cfd;

	bool notls;

};

FIXTURE_SETUP(tls_basic)

{

	struct sockaddr_in addr;

	socklen_t len;

	int sfd, ret;

	self->notls = false;

	len = sizeof(addr);

	addr.sin_family = AF_INET;

	addr.sin_addr.s_addr = htonl(INADDR_ANY);

	addr.sin_port = 0;

	self->fd = socket(AF_INET, SOCK_STREAM, 0);

	sfd = socket(AF_INET, SOCK_STREAM, 0);

	ret = bind(sfd, &addr, sizeof(addr));

	ASSERT_EQ(ret, 0);

	ret = listen(sfd, 10);

	ASSERT_EQ(ret, 0);

	ret = getsockname(sfd, &addr, &len);

	ASSERT_EQ(ret, 0);

	ret = connect(self->fd, &addr, sizeof(addr));

	ASSERT_EQ(ret, 0);

	self->cfd = accept(sfd, &addr, &len);

	ASSERT_GE(self->cfd, 0);

	close(sfd);

	ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));

	if (ret != 0) {

		ASSERT_EQ(errno, ENOTSUPP);

		self->notls = true;

		printf("Failure setting TCP_ULP, testing without tls\n");

		return;

	}

	ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));

	ASSERT_EQ(ret, 0);

}

FIXTURE_TEARDOWN(tls_basic)

{

	close(self->fd);

	close(self->cfd);

}

/* Send some data through with ULP but no keys */

TEST_F(tls_basic, base_base)

{

	char const *test_str = "test_read";

	int send_len = 10;

	char buf[10];

	ASSERT_EQ(strlen(test_str) + 1, send_len);

	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);

	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);

	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);

};

FIXTURE(tls)

{

	int fd, cfd;