/*

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

   | 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: Stanislav Malyshev <stas@php.net>                           |

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

 */

#include "fuzzer.h"

#include "Zend/zend.h"

#include <main/php_config.h>

#include "main/php_main.h"

#include "ext/standard/php_var.h"

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include "fuzzer-sapi.h"

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

#ifdef HAVE_EXIF

  php_stream *stream;

  zval stream_zv;

  if (Size > 256 * 1024) {

    /* Large inputs have a large impact on fuzzer performance,

     * but are unlikely to be necessary to reach new codepaths. */

    return 0;

  }

  if (fuzzer_request_startup() == FAILURE) {

    return 0;

  }

  stream = php_stream_memory_create(TEMP_STREAM_DEFAULT);

  php_stream_write(stream, (const char *) Data, Size);

  php_stream_to_zval(stream, &stream_zv);

  fuzzer_call_php_func_zval("exif_read_data", 1, &stream_zv);

  zval_ptr_dtor(&stream_zv);

  /* cleanup */

  php_request_shutdown(NULL);

  return 0;

#else

  fprintf(stderr, "\n\nERROR:\nPHP built without EXIF, recompile with --enable-exif to use this fuzzer\n");

  exit(1);

#endif

}

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

  fuzzer_init_php(NULL);

  /* fuzzer_shutdown_php(); */

  return 0;

}