selftests: tls: run all tests for TLS 1.2 and TLS 1.3

TLS 1.2 and TLS 1.3 differ in the implementation.
Use fixture parameters to run all tests for both
versions, and remove the one-off TLS 1.2 test.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/net/tls.c

@@ -101,6 +101,21 @@ FIXTURE(tls)
 	bool notls;
 };
 
+FIXTURE_VARIANT(tls)
+{
+	unsigned int tls_version;
+};
+
+FIXTURE_VARIANT_ADD(tls, 12)
+{
+	.tls_version = TLS_1_2_VERSION,
+};
+
+FIXTURE_VARIANT_ADD(tls, 13)
+{
+	.tls_version = TLS_1_3_VERSION,
+};
+
 FIXTURE_SETUP(tls)
 {
 	struct tls12_crypto_info_aes_gcm_128 tls12;
@@ -112,7 +127,7 @@ FIXTURE_SETUP(tls)
 	len = sizeof(addr);
 
 	memset(&tls12, 0, sizeof(tls12));
-	tls12.info.version = TLS_1_3_VERSION;
+	tls12.info.version = variant->tls_version;
 	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
 
 	addr.sin_family = AF_INET;
@@ -733,7 +748,7 @@ TEST_F(tls, bidir)
 		struct tls12_crypto_info_aes_gcm_128 tls12;
 
 		memset(&tls12, 0, sizeof(tls12));
-		tls12.info.version = TLS_1_3_VERSION;
+		tls12.info.version = variant->tls_version;
 		tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
 
 		ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
@@ -1258,78 +1273,4 @@ TEST(keysizes) {
 	close(cfd);
 }
 
-TEST(tls12) {
-	int fd, cfd;
-	bool notls;
-
-	struct tls12_crypto_info_aes_gcm_128 tls12;
-	struct sockaddr_in addr;
-	socklen_t len;
-	int sfd, ret;
-
-	notls = false;
-	len = sizeof(addr);
-
-	memset(&tls12, 0, sizeof(tls12));
-	tls12.info.version = TLS_1_2_VERSION;
-	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
-
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = htonl(INADDR_ANY);
-	addr.sin_port = 0;
-
-	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(fd, &addr, sizeof(addr));
-	ASSERT_EQ(ret, 0);
-
-	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
-	if (ret != 0) {
-		notls = true;
-		printf("Failure setting TCP_ULP, testing without tls\n");
-	}
-
-	if (!notls) {
-		ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
-				 sizeof(tls12));
-		ASSERT_EQ(ret, 0);
-	}
-
-	cfd = accept(sfd, &addr, &len);
-	ASSERT_GE(cfd, 0);
-
-	if (!notls) {
-		ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
-				 sizeof("tls"));
-		ASSERT_EQ(ret, 0);
-
-		ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
-				 sizeof(tls12));
-		ASSERT_EQ(ret, 0);
-	}
-
-	close(sfd);
-
-	char const *test_str = "test_read";
-	int send_len = 10;
-	char buf[10];
-
-	send_len = strlen(test_str) + 1;
-	EXPECT_EQ(send(fd, test_str, send_len, 0), send_len);
-	EXPECT_NE(recv(cfd, buf, send_len, 0), -1);
-	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
-
-	close(fd);
-	close(cfd);
-}
-
 TEST_HARNESS_MAIN