/*

 * Copyright (C) 2019-2026 by Arthur SC Chan <arthur.chan@adalogics.com>

 *

 * This file is part of Open5GS.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Affero General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 */

#include <stdio.h>

#include <stdint.h>

#include <string.h>

#include "fuzzing.h"

#include "ogs-sbi.h"

#include "model/access_and_mobility_subscription_data.h"

#include "model/authentication_info.h"

#include "model/authentication_info_request.h"

#include "model/authentication_info_result.h"

#include "model/dnn_configuration.h"

#include "model/event_notification.h"

#include "model/event_subscription.h"

#include "model/events_notification.h"

#include "model/hsmf_update_data.h"

#include "model/mdt_configuration.h"

#include "model/media_component.h"

#include "model/media_component_rm.h"

#include "model/n1_n2_message_transfer_req_data.h"

#include "model/n1_n2_message_transfer_rsp_data.h"

#include "model/pcc_rule.h"

#include "model/pdu_session_create_data.h"

#include "model/pdu_session_created_data.h"

#include "model/policy_association_request.h"

#include "model/sm_context_update_data.h"

#include "model/sm_policy_context_data.h"

#include "model/sm_policy_decision.h"

#include "model/subscr_cond.h"

#include "model/ue_authentication_ctx.h"

#include "model/ue_context.h"

#include "model/ue_context_transfer_req_data.h"

#include "model/ue_context_transfer_rsp_data.h"

#include "model/vsmf_update_data.h"

#define kMinInputLength 2

#define kMaxInputLength 16384

#define TRY_MODEL(name)                                                     \

    do {                                                                    \

        OpenAPI_##name##_t *model =                                         \

            OpenAPI_##name##_parseFromJSON(json);                           \

        if (model) {                                                        \

            OpenAPI_##name##_free(model);                                   \

        }                                                                   \

    } while (0)

extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)

{

    char *text;

    cJSON *json;

    if (Size < kMinInputLength || Size > kMaxInputLength) {

        return 0;

    }

    if (!initialized) {

        initialize();

        ogs_log_install_domain(&__ogs_sbi_domain, "sbi", OGS_LOG_NONE);

    }

    /* cJSON_Parse needs a NUL-terminated string, as the HTTP layer provides. */

    text = ogs_malloc(Size + 1);

    if (text == NULL) {

        return 0;

    }

    memcpy(text, Data, Size);

    text[Size] = '\0';

    json = cJSON_Parse(text);

    ogs_free(text);

    if (json == NULL) {

        return 0;

    }

    TRY_MODEL(authentication_info);

    TRY_MODEL(authentication_info_request);

    TRY_MODEL(authentication_info_result);

    TRY_MODEL(ue_authentication_ctx);

    /* AMF and SMF context transfer */

    TRY_MODEL(ue_context_transfer_req_data);

    TRY_MODEL(ue_context_transfer_rsp_data);

    TRY_MODEL(n1_n2_message_transfer_req_data);

    TRY_MODEL(n1_n2_message_transfer_rsp_data);

    TRY_MODEL(ue_context);

    TRY_MODEL(sm_context_update_data);

    TRY_MODEL(pdu_session_create_data);

    TRY_MODEL(pdu_session_created_data);

    TRY_MODEL(hsmf_update_data);

    TRY_MODEL(vsmf_update_data);

    /* Subscription and event exposure */

    TRY_MODEL(event_subscription);

    TRY_MODEL(events_notification);

    TRY_MODEL(event_notification);

    TRY_MODEL(subscr_cond);

    /* Subscriber data from UDM/UDR */

    TRY_MODEL(access_and_mobility_subscription_data);

    TRY_MODEL(dnn_configuration);

    TRY_MODEL(mdt_configuration);

    /* Policy control */

    TRY_MODEL(sm_policy_context_data);

    TRY_MODEL(sm_policy_decision);

    TRY_MODEL(policy_association_request);

    TRY_MODEL(pcc_rule);

    TRY_MODEL(media_component);

    TRY_MODEL(media_component_rm);

    cJSON_Delete(json);

    return 0;

}