1 files changed, 73 insertions, 0 deletions
diff --git a/sapi/fuzzer/fuzzer-json.c b/sapi/fuzzer/fuzzer-json.c
new file mode 100644
index 0000000000..0c619a22b9
--- /dev/null
+++ b/sapi/fuzzer/fuzzer-json.c
@@ -0,0 +1,73 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 7                                                        |
+   +----------------------------------------------------------------------+
+   | 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>                         |
+   |          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"
+
+#ifdef HAVE_JSON
+#include "ext/json/php_json_parser.h"
+#endif
+
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+#ifdef HAVE_JSON
+	char *data = malloc(Size+1);
+	memcpy(data, Data, Size);
+	data[Size] = '\0';
+
+	if (php_request_startup()==FAILURE) {
+		php_module_shutdown();
+		return 0;
+	}
+
+	for (int option = 0; option <=1; ++option) {
+		zval result;
+		php_json_parser parser;
+		php_json_parser_init(&parser, &result, data, Size, option, 10);
+		php_json_yyparse(&parser);
+
+		ZVAL_UNDEF(&result);
+	}
+
+	php_request_shutdown(NULL);
+
+	free(data);
+#else
+	fprintf(stderr, "\n\nERROR:\nPHP built without JSON, recompile with --enable-json to use this fuzzer\n");
+	exit(1);
+#endif
+	return 0;
+}
+
+int LLVMFuzzerInitialize(int *argc, char ***argv) {
+	fuzzer_init_php();
+
+	/* fuzzer_shutdown_php(); */
+	return 0;
+}