// Copyright 2025 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License 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 <stdint.h>

#include <stdlib.h>

#include <string.h>

#include <openssl/bio.h>

#include <openssl/evp.h>

// Declaration of the function from iperf_auth.c (it is not static)

int Base64Decode(const char* b64message, unsigned char** buffer, size_t* length);

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

    // Base64Decode expects a null-terminated string.

    char *str = (char *)malloc(size + 1);

    if (!str) {

        return 0;

    }

    memcpy(str, data, size);

    str[size] = '\0';

    unsigned char *buffer = NULL;

    size_t length = 0;

    // Call the target function

    Base64Decode(str, &buffer, &length);

    if (buffer) {

        free(buffer);

    }

    free(str);

    return 0;

}