}
/*
- * Test that a server attempting to read early data can handle a connection
- * from a client where the early data is not acceptable.
+ * Helper function to test that a server attempting to read early data can
+ * handle a connection from a client where the early data should be skipped.
*/
-static int test_early_data_skip(int idx)
+static int early_data_skip_helper(int hrr, int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
&serverssl, &sess, idx)))
goto end;
- /*
- * Deliberately corrupt the creation time. We take 20 seconds off the time.
- * It could be any value as long as it is not within tolerance. This should
- * mean the ticket is rejected.
- */
- if (!TEST_true(SSL_SESSION_set_time(sess, time(NULL) - 20)))
- goto end;
+ if (hrr) {
+ /* Force an HRR to occur */
+ if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256")))
+ goto end;
+ } else {
+ /*
+ * Deliberately corrupt the creation time. We take 20 seconds off the
+ * time. It could be any value as long as it is not within tolerance.
+ * This should mean the ticket is rejected.
+ */
+ if (!TEST_true(SSL_SESSION_set_time(sess, time(NULL) - 20)))
+ goto end;
+ }
/* Write some early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
SSL_EARLY_DATA_REJECTED))
goto end;
+ if (hrr) {
+ /*
+ * Finish off the handshake. We perform the same writes and reads as
+ * further down but we expect them to fail due to the incomplete
+ * handshake.
+ */
+ if (!TEST_false(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written))
+ || !TEST_false(SSL_read_ex(serverssl, buf, sizeof(buf),
+ &readbytes)))
+ goto end;
+ }
+
/* Should be able to send normal data despite rejection of early data */
if (!TEST_true(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written))
|| !TEST_size_t_eq(written, strlen(MSG2))
return testresult;
}
+/*
+ * Test that a server attempting to read early data can handle a connection
+ * from a client where the early data is not acceptable.
+ */
+static int test_early_data_skip(int idx)
+{
+ return early_data_skip_helper(0, idx);
+}
+
+/*
+ * Test that a server attempting to read early data can handle a connection
+ * from a client where an HRR occurs.
+ */
+static int test_early_data_skip_hrr(int idx)
+{
+ return early_data_skip_helper(1, idx);
+}
+
/*
* Test that a server attempting to read early data can handle a connection
* from a client that doesn't send any.
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, clntsess))
+ /*
+ * We use SSL_ERROR_WANT_READ below so that we can pause the
+ * connection after the initial ClientHello has been sent to
+ * enable us to make some session changes.
+ */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_READ)))
goto end;
clntsess->cipher_id = clntsess->cipher->id;
/*
- * Server has selected a SHA-384 ciphersuite, but client thinks the session
- * is for SHA-256, so it should bail out.
+ * Continue the previously started connection. Server has selected a SHA-384
+ * ciphersuite, but client thinks the session is for SHA-256, so it should
+ * bail out.
*/
if (!TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_SSL))
return testresult;
}
+
+static SSL_SESSION *psk = NULL;
+static const char *pskid = "Identity";
+static const char *srvid;
+
+static int use_session_cb_cnt = 0;
+static int find_session_cb_cnt = 0;
+
+static int use_session_cb(SSL *ssl, const EVP_MD *md, const unsigned char **id,
+ size_t *idlen, SSL_SESSION **sess)
+{
+ switch (++use_session_cb_cnt) {
+ case 1:
+ /* The first call should always have a NULL md */
+ if (md != NULL)
+ return 0;
+ break;
+
+ case 2:
+ /* The second call should always have an md */
+ if (md == NULL)
+ return 0;
+ break;
+
+ default:
+ /* We should only be called a maximum of twice */
+ return 0;
+ }
+
+ if (psk != NULL)
+ SSL_SESSION_up_ref(psk);
+
+ *sess = psk;
+ *id = (const unsigned char *)pskid;
+ *idlen = strlen(pskid);
+
+ return 1;
+}
+
+static int find_session_cb(SSL *ssl, const unsigned char *identity,
+ size_t identity_len, SSL_SESSION **sess)
+{
+ find_session_cb_cnt++;
+
+ /* We should only ever be called a maximum of twice per connection */
+ if (find_session_cb_cnt > 2)
+ return 0;
+
+ if (psk == NULL)
+ return 0;
+
+ /* Identity should match that set by the client */
+ if (strlen(srvid) != identity_len
+ || strncmp(srvid, (const char *)identity, identity_len) != 0) {
+ /* No PSK found, continue but without a PSK */
+ *sess = NULL;
+ return 1;
+ }
+
+ SSL_SESSION_up_ref(psk);
+ *sess = psk;
+
+ return 1;
+}
+
+#define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
+
+static int test_tls13_psk(void)
+{
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *serverssl = NULL, *clientssl = NULL;
+ const SSL_CIPHER *cipher = NULL;
+ const unsigned char key[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+ 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
+ };
+ int testresult = 0;
+
+ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
+ TLS_client_method(), &sctx,
+ &cctx, cert, privkey)))
+ goto end;
+
+ SSL_CTX_set_psk_use_session_callback(cctx, use_session_cb);
+ SSL_CTX_set_psk_find_session_callback(sctx, find_session_cb);
+ srvid = pskid;
+
+ /* Check we can create a connection if callback decides not to send a PSK */
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE))
+ || !TEST_false(SSL_session_reused(clientssl))
+ || !TEST_false(SSL_session_reused(serverssl))
+ || !TEST_true(use_session_cb_cnt == 1)
+ || !TEST_true(find_session_cb_cnt == 0))
+ goto end;
+
+ shutdown_ssl_connection(serverssl, clientssl);
+ serverssl = clientssl = NULL;
+ use_session_cb_cnt = 0;
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL)))
+ goto end;
+
+ /* Create the PSK */
+ cipher = SSL_CIPHER_find(clientssl, TLS13_AES_256_GCM_SHA384_BYTES);
+ psk = SSL_SESSION_new();
+ if (!TEST_ptr(psk)
+ || !TEST_ptr(cipher)
+ || !TEST_true(SSL_SESSION_set1_master_key(psk, key, sizeof(key)))
+ || !TEST_true(SSL_SESSION_set_cipher(psk, cipher))
+ || !TEST_true(SSL_SESSION_set_protocol_version(psk,
+ TLS1_3_VERSION)))
+ goto end;
+
+ /* Check we can create a connection and the PSK is used */
+ if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
+ || !TEST_true(SSL_session_reused(clientssl))
+ || !TEST_true(SSL_session_reused(serverssl))
+ || !TEST_true(use_session_cb_cnt == 1)
+ || !TEST_true(find_session_cb_cnt == 1))
+ goto end;
+
+ shutdown_ssl_connection(serverssl, clientssl);
+ serverssl = clientssl = NULL;
+ use_session_cb_cnt = find_session_cb_cnt = 0;
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL)))
+ goto end;
+
+ /* Force an HRR */
+ if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256")))
+ goto end;
+
+ /*
+ * Check we can create a connection, the PSK is used and the callbacks are
+ * called twice.
+ */
+ if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
+ || !TEST_true(SSL_session_reused(clientssl))
+ || !TEST_true(SSL_session_reused(serverssl))
+ || !TEST_true(use_session_cb_cnt == 2)
+ || !TEST_true(find_session_cb_cnt == 2))
+ goto end;
+
+ shutdown_ssl_connection(serverssl, clientssl);
+ serverssl = clientssl = NULL;
+ use_session_cb_cnt = find_session_cb_cnt = 0;
+
+ /*
+ * Check that if the server rejects the PSK we can still connect, but with
+ * a full handshake
+ */
+ srvid = "Dummy Identity";
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE))
+ || !TEST_false(SSL_session_reused(clientssl))
+ || !TEST_false(SSL_session_reused(serverssl))
+ || !TEST_true(use_session_cb_cnt == 1)
+ || !TEST_true(find_session_cb_cnt == 1))
+ goto end;
+
+ shutdown_ssl_connection(serverssl, clientssl);
+ serverssl = clientssl = NULL;
+ testresult = 1;
+
+ end:
+ SSL_SESSION_free(psk);
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ SSL_CTX_free(sctx);
+ SSL_CTX_free(cctx);
+ return testresult;
+}
+
#endif /* OPENSSL_NO_TLS1_3 */
static int clntaddoldcb = 0;
return testresult;
}
+/*
+ * Test that SSL_export_keying_material() produces expected results. There are
+ * no test vectors so all we do is test that both sides of the communication
+ * produce the same results for different protocol versions.
+ */
+static int test_export_key_mat(int tst)
+{
+ int testresult = 0;
+ SSL_CTX *cctx = NULL, *sctx = NULL, *sctx2 = NULL;
+ SSL *clientssl = NULL, *serverssl = NULL;
+ const char label[] = "test label";
+ const unsigned char context[] = "context";
+ const unsigned char *emptycontext = NULL;
+ unsigned char ckeymat1[80], ckeymat2[80], ckeymat3[80];
+ unsigned char skeymat1[80], skeymat2[80], skeymat3[80];
+ const int protocols[] = {
+ TLS1_VERSION,
+ TLS1_1_VERSION,
+ TLS1_2_VERSION,
+ TLS1_3_VERSION
+ };
+
+#ifdef OPENSSL_NO_TLS1
+ if (tst == 0)
+ return 1;
+#endif
+#ifdef OPENSSL_NO_TLS1_1
+ if (tst == 1)
+ return 1;
+#endif
+#ifdef OPENSSL_NO_TLS1_2
+ if (tst == 2)
+ return 1;
+#endif
+#ifdef OPENSSL_NO_TLS1_3
+ if (tst == 3)
+ return 1;
+#endif
+ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
+ TLS_client_method(), &sctx,
+ &cctx, cert, privkey)))
+ goto end;
+
+ OPENSSL_assert(tst >= 0 && (size_t)tst < OSSL_NELEM(protocols));
+ SSL_CTX_set_max_proto_version(cctx, protocols[tst]);
+ SSL_CTX_set_min_proto_version(cctx, protocols[tst]);
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL,
+ NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE)))
+ goto end;
+
+ if (!TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat1,
+ sizeof(ckeymat1), label,
+ sizeof(label) - 1, context,
+ sizeof(context) - 1, 1), 1)
+ || !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat2,
+ sizeof(ckeymat2), label,
+ sizeof(label) - 1,
+ emptycontext,
+ 0, 1), 1)
+ || !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat3,
+ sizeof(ckeymat3), label,
+ sizeof(label) - 1,
+ NULL, 0, 0), 1)
+ || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat1,
+ sizeof(skeymat1), label,
+ sizeof(label) - 1,
+ context,
+ sizeof(context) -1, 1),
+ 1)
+ || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat2,
+ sizeof(skeymat2), label,
+ sizeof(label) - 1,
+ emptycontext,
+ 0, 1), 1)
+ || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat3,
+ sizeof(skeymat3), label,
+ sizeof(label) - 1,
+ NULL, 0, 0), 1)
+ /*
+ * Check that both sides created the same key material with the
+ * same context.
+ */
+ || !TEST_mem_eq(ckeymat1, sizeof(ckeymat1), skeymat1,
+ sizeof(skeymat1))
+ /*
+ * Check that both sides created the same key material with an
+ * empty context.
+ */
+ || !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), skeymat2,
+ sizeof(skeymat2))
+ /*
+ * Check that both sides created the same key material without a
+ * context.
+ */
+ || !TEST_mem_eq(ckeymat3, sizeof(ckeymat3), skeymat3,
+ sizeof(skeymat3))
+ /* Different contexts should produce different results */
+ || !TEST_mem_ne(ckeymat1, sizeof(ckeymat1), ckeymat2,
+ sizeof(ckeymat2)))
+ goto end;
+
+ /*
+ * Check that an empty context and no context produce different results in
+ * protocols less than TLSv1.3. In TLSv1.3 they should be the same.
+ */
+ if ((tst != 3 && !TEST_mem_ne(ckeymat2, sizeof(ckeymat2), ckeymat3,
+ sizeof(ckeymat3)))
+ || (tst ==3 && !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), ckeymat3,
+ sizeof(ckeymat3))))
+ goto end;
+
+ testresult = 1;
+
+ end:
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ SSL_CTX_free(sctx2);
+ SSL_CTX_free(sctx);
+ SSL_CTX_free(cctx);
+
+ return testresult;
+}
+
+static int test_ssl_clear(int idx)
+{
+ SSL_CTX *cctx = NULL, *sctx = NULL;
+ SSL *clientssl = NULL, *serverssl = NULL;
+ int testresult = 0;
+
+#ifdef OPENSSL_NO_TLS1_2
+ if (idx == 1)
+ return 1;
+#endif
+
+ /* Create an initial connection */
+ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
+ TLS_client_method(), &sctx,
+ &cctx, cert, privkey))
+ || (idx == 1
+ && !TEST_true(SSL_CTX_set_max_proto_version(cctx,
+ TLS1_2_VERSION)))
+ || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
+ &clientssl, NULL, NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE)))
+ goto end;
+
+ SSL_shutdown(clientssl);
+ SSL_shutdown(serverssl);
+ SSL_free(serverssl);
+ serverssl = NULL;
+
+ /* Clear clientssl - we're going to reuse the object */
+ if (!TEST_true(SSL_clear(clientssl)))
+ goto end;
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE))
+ || !TEST_true(SSL_session_reused(clientssl)))
+ goto end;
+
+ SSL_shutdown(clientssl);
+ SSL_shutdown(serverssl);
+
+ testresult = 1;
+
+ end:
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ SSL_CTX_free(sctx);
+ SSL_CTX_free(cctx);
+
+ return testresult;
+}
+
int test_main(int argc, char *argv[])
{
int testresult = 1;
#ifndef OPENSSL_NO_TLS1_3
ADD_ALL_TESTS(test_early_data_read_write, 2);
ADD_ALL_TESTS(test_early_data_skip, 2);
+ ADD_ALL_TESTS(test_early_data_skip_hrr, 2);
ADD_ALL_TESTS(test_early_data_not_sent, 2);
ADD_ALL_TESTS(test_early_data_not_expected, 2);
# ifndef OPENSSL_NO_TLS1_2
#endif
#ifndef OPENSSL_NO_TLS1_3
ADD_TEST(test_ciphersuite_change);
+ ADD_TEST(test_tls13_psk);
ADD_ALL_TESTS(test_custom_exts, 5);
#else
ADD_ALL_TESTS(test_custom_exts, 3);
#endif
ADD_ALL_TESTS(test_serverinfo, 8);
+ ADD_ALL_TESTS(test_export_key_mat, 4);
+ ADD_ALL_TESTS(test_ssl_clear, 2);
testresult = run_tests(argv[0]);