fuzzer-parser.c

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/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Johannes Schlüter <johanes@php.net>                         |
   |          Stanislav Malyshev <stas@php.net>                           |
   +----------------------------------------------------------------------+
 */
 
#include <main/php.h>
#include <main/php_main.h>
#include <main/SAPI.h>
#include <ext/standard/info.h>
#include <ext/standard/php_var.h>
#include <main/php_variables.h>
 
#include "fuzzer.h"
#include "fuzzer-sapi.h"
 
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
    if (Size > 6 * 1024) {
        /* Large inputs have a large impact on fuzzer performance and may cause stack overflows,
         * but are unlikely to be necessary to reach new codepaths. */
        return 0;
    }
 
    fuzzer_do_request_from_buffer(
        "fuzzer.php", (const char *) Data, Size, /* execute */ 0, /* before_shutdown */ NULL);
 
    return 0;
}
 
int LLVMFuzzerInitialize(int *argc, char ***argv) {
    /* Compilation will often trigger fatal errors.
     * Use tracked allocation mode to avoid leaks in that case. */
    putenv("USE_TRACKED_ALLOC=1");
 
    fuzzer_init_php(NULL);
 
    /* fuzzer_shutdown_php(); */
    return 0;
}