xref: /kernel/liteos_m/testsuites/unittest/fuzz/src/time/strftime_fuzz.c

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <time.h>
#include "ohos_types.h"
#include "los_config.h"
#include "Public.h"
#include "PCommon.h"
#include "fuzz_posix.h"

#define CYCLE_TOTAL_TIMES 1024
#define MAX_S_LEN 64
#define MAX_RAMD_TIME_POS 65535
#define MIN_RAMD_TIME_POS 0
extern S_ElementInit g_element[ELEMENT_LEN];
extern int g_iteration;

void StrftimeFuzzTest(void)
{
    time_t timeValue;
    struct tm *ptm = NULL;
    char s[MAX_S_LEN];
    int c;

    printf("Fuzz test in line [%d] strftime start.\n", __LINE__);

    INIT_FuzzEnvironment();
    CreatPrecondForQueue();

    for (int i = 0; i < CYCLE_TOTAL_TIMES; i++) {
        hi_watchdog_feed();
        heartbeatPrint(i);

        (void)time(&timeValue);
        ptm = localtime(&timeValue);
        if (ptm == NULL) {
            printf("Fuzz test in line [%d] strftime ptm == NULL,count:%d.\n", __LINE__, i);
            return;
        }
        c = *(int *)DT_SetGetS32(&g_element[0], MIN_RAMD_TIME_POS);
        if (c < MIN_RAMD_TIME_POS || (c > MAX_RAMD_TIME_POS)) {
            c = MIN_RAMD_TIME_POS;
        }
        ptm->tm_sec += c;
        (void)strftime(s, MAX_S_LEN, "%Y-%m-%d %H:%M:%S.%f", ptm);
    }

    CleanPrecondForQueue();
    DT_Clear(g_element);
    CLOSE_Log();
    CLEAR_FuzzEnvironment();

    printf("Fuzz test in line [%d] strftime ok\n", __LINE__);

    return;
}