mirror of
https://github.com/php/php-src.git
synced 2024-12-18 22:41:20 +08:00
91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| 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: |
|
|
| http://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> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
|
|
#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/standard/php_var.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
|
|
unsigned char *orig_data = malloc(Size+1);
|
|
zend_execute_data execute_data;
|
|
zend_function func;
|
|
|
|
memcpy(orig_data, Data, Size);
|
|
orig_data[Size] = '\0';
|
|
|
|
if (fuzzer_request_startup()==FAILURE) {
|
|
return 0;
|
|
}
|
|
|
|
/* Set up a dummy stack frame so that exceptions may be thrown. */
|
|
{
|
|
memset(&execute_data, 0, sizeof(zend_execute_data));
|
|
memset(&func, 0, sizeof(zend_function));
|
|
|
|
func.type = ZEND_INTERNAL_FUNCTION;
|
|
func.common.function_name = ZSTR_EMPTY_ALLOC();
|
|
execute_data.func = &func;
|
|
EG(current_execute_data) = &execute_data;
|
|
}
|
|
|
|
{
|
|
const unsigned char *data = orig_data;
|
|
zval result;
|
|
ZVAL_UNDEF(&result);
|
|
|
|
php_unserialize_data_t var_hash;
|
|
PHP_VAR_UNSERIALIZE_INIT(var_hash);
|
|
php_var_unserialize(&result, (const unsigned char **) &data, data + Size, &var_hash);
|
|
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
|
|
|
|
zval_ptr_dtor(&result);
|
|
|
|
/* Destroy any thrown exception. */
|
|
if (EG(exception)) {
|
|
zend_object_release(EG(exception));
|
|
EG(exception) = NULL;
|
|
}
|
|
}
|
|
|
|
/* Unserialize may create circular structure. Make sure we free them.
|
|
* Two calls are performed to handle objects with destructors. */
|
|
zend_gc_collect_cycles();
|
|
zend_gc_collect_cycles();
|
|
php_request_shutdown(NULL);
|
|
|
|
free(orig_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int LLVMFuzzerInitialize(int *argc, char ***argv) {
|
|
fuzzer_init_php();
|
|
|
|
/* fuzzer_shutdown_php(); */
|
|
return 0;
|
|
}
|