/*

   +----------------------------------------------------------------------+

   | Copyright © The PHP Group and Contributors.                          |

   +----------------------------------------------------------------------+

   | This source file is subject to the Modified BSD License that is      |

   | bundled with this package in the file LICENSE, and is available      |

   | through the World Wide Web at <https://www.php.net/license/>.        |

   |                                                                      |

   | SPDX-License-Identifier: BSD-3-Clause                                |

   +----------------------------------------------------------------------+

   | Authors: Johannes Schlüter <johanes@php.net>                         |

   |          Stanislav Malyshev <stas@php.net>                           |

   +----------------------------------------------------------------------+

 */

#include "fuzzer.h"

#include "Zend/zend.h"

#include <main/php_config.h>

#include "main/php_main.h"

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include "fuzzer-sapi.h"

#include "ext/json/php_json.h"

#include "ext/json/php_json_parser.h"

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

  if (fuzzer_request_startup() == FAILURE){

    return 0;

  }

  char *data = malloc(Size + 1);

  memcpy(data, Data, Size);

  data[Size] = '\0';

  int options[12] = {

    0,

    PHP_JSON_OBJECT_AS_ARRAY,

    PHP_JSON_OBJECT_AS_ARRAY | PHP_JSON_BIGINT_AS_STRING,

    PHP_JSON_OBJECT_AS_ARRAY | PHP_JSON_BIGINT_AS_STRING | PHP_JSON_INVALID_UTF8_IGNORE,

    PHP_JSON_OBJECT_AS_ARRAY | PHP_JSON_BIGINT_AS_STRING | PHP_JSON_INVALID_UTF8_SUBSTITUTE,

    PHP_JSON_OBJECT_AS_ARRAY | PHP_JSON_INVALID_UTF8_IGNORE,

    PHP_JSON_OBJECT_AS_ARRAY | PHP_JSON_INVALID_UTF8_SUBSTITUTE,

    PHP_JSON_BIGINT_AS_STRING,

    PHP_JSON_BIGINT_AS_STRING | PHP_JSON_INVALID_UTF8_IGNORE,

    PHP_JSON_BIGINT_AS_STRING | PHP_JSON_INVALID_UTF8_SUBSTITUTE,

    PHP_JSON_INVALID_UTF8_IGNORE,

    PHP_JSON_INVALID_UTF8_SUBSTITUTE

  };

  for (int index = 0; index < 12; ++index) {

    zval result;

    php_json_parser parser;

    php_json_parser_init(&parser, &result, data, Size, options[index], 10);

    if (php_json_yyparse(&parser) == SUCCESS) {

      zval_ptr_dtor(&result);

    }

  }

  php_request_shutdown(NULL);

  free(data);

  return 0;

}

int LLVMFuzzerInitialize(int *argc, char ***argv) {

  fuzzer_init_php(NULL);

  /* fuzzer_shutdown_php(); */

  return 0;

}