/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#include "s2n_test.h"
#include "testlib/s2n_testlib.h"
#include "tls/extensions/s2n_cert_status_response.h"

const uint8_t ocsp_data[] = "OCSP DATA";

int s2n_test_enable_sending_extension(struct s2n_connection *conn, struct s2n_cert_chain_and_key *chain_and_key)
{
    conn->mode = S2N_SERVER;
    conn->status_type = S2N_STATUS_REQUEST_OCSP;
    conn->handshake_params.our_chain_and_key = chain_and_key;
    EXPECT_SUCCESS(s2n_cert_chain_and_key_set_ocsp_data(chain_and_key, ocsp_data, s2n_array_len(ocsp_data)));
    return S2N_SUCCESS;
}

int main(int argc, char **argv)
{
    BEGIN_TEST();
    EXPECT_SUCCESS(s2n_disable_tls13_in_test());

    DEFER_CLEANUP(struct s2n_cert_chain_and_key *chain_and_key = NULL, s2n_cert_chain_and_key_ptr_free);
    EXPECT_SUCCESS(s2n_test_cert_chain_and_key_new(&chain_and_key,
            S2N_DEFAULT_TEST_CERT_CHAIN, S2N_DEFAULT_TEST_PRIVATE_KEY));

    /* should_send */
    {
        struct s2n_config *config = NULL;
        EXPECT_NOT_NULL(config = s2n_config_new());

        struct s2n_connection *conn = NULL;
        EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
        EXPECT_SUCCESS(s2n_connection_set_config(conn, config));

        /* Don't send by default */
        EXPECT_FALSE(s2n_cert_status_response_extension.should_send(conn));

        /* Send if all prerequisites met */
        EXPECT_SUCCESS(s2n_test_enable_sending_extension(conn, chain_and_key));
        EXPECT_TRUE(s2n_cert_status_response_extension.should_send(conn));

        /* Don't send if client */
        EXPECT_SUCCESS(s2n_test_enable_sending_extension(conn, chain_and_key));
        conn->mode = S2N_CLIENT;
        EXPECT_FALSE(s2n_cert_status_response_extension.should_send(conn));

        /* Don't send if no status request configured */
        EXPECT_SUCCESS(s2n_test_enable_sending_extension(conn, chain_and_key));
        conn->status_type = S2N_STATUS_REQUEST_NONE;
        EXPECT_FALSE(s2n_cert_status_response_extension.should_send(conn));

        /* Don't send if no certificate set */
        EXPECT_SUCCESS(s2n_test_enable_sending_extension(conn, chain_and_key));
        conn->handshake_params.our_chain_and_key = NULL;
        EXPECT_FALSE(s2n_cert_status_response_extension.should_send(conn));

        /* Don't send if no ocsp data */
        EXPECT_SUCCESS(s2n_test_enable_sending_extension(conn, chain_and_key));
        EXPECT_SUCCESS(s2n_free(&conn->handshake_params.our_chain_and_key->ocsp_status));
        EXPECT_FALSE(s2n_cert_status_response_extension.should_send(conn));

        EXPECT_SUCCESS(s2n_connection_free(conn));
        EXPECT_SUCCESS(s2n_config_free(config));
    };

    /* Set oscp data */
    EXPECT_SUCCESS(s2n_cert_chain_and_key_set_ocsp_data(chain_and_key, ocsp_data, s2n_array_len(ocsp_data)));

    /* Test send and recv */
    {
        struct s2n_connection *conn = NULL;
        EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_SERVER));

        EXPECT_SUCCESS(s2n_cert_status_response_extension.send(conn, NULL));

        EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
        EXPECT_SUCCESS(s2n_cert_status_response_extension.recv(conn, NULL));
        EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_OCSP);

        EXPECT_SUCCESS(s2n_connection_free(conn));
    };

    END_TEST();
    return 0;
}
