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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: Stanislav Malyshev <stas@php.net> |
+----------------------------------------------------------------------+
*/
#include "zend.h"
#include "fuzzer.h"
#include "fuzzer-sapi.h"
#include "ext/mbstring/mbstring.h"
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
const uint8_t *Comma1 = memchr(Data, ',', Size);
if (!Comma1) {
return 0;
}
size_t ToEncodingNameLen = Comma1 - Data;
char *ToEncodingName = estrndup((char *) Data, ToEncodingNameLen);
Data = Comma1 + 1;
Size -= ToEncodingNameLen + 1;
const uint8_t *Comma2 = memchr(Data, ',', Size);
if (!Comma2) {
efree(ToEncodingName);
return 0;
}
size_t FromEncodingNameLen = Comma2 - Data;
char *FromEncodingName = estrndup((char *) Data, FromEncodingNameLen);
Data = Comma2 + 1;
Size -= FromEncodingNameLen + 1;
const mbfl_encoding *ToEncoding = mbfl_name2encoding(ToEncodingName);
const mbfl_encoding *FromEncoding = mbfl_name2encoding(FromEncodingName);
if (!ToEncoding || !FromEncoding || fuzzer_request_startup() == FAILURE) {
efree(ToEncodingName);
efree(FromEncodingName);
return 0;
}
zend_string *Result = php_mb_convert_encoding_ex((char *) Data, Size, ToEncoding, FromEncoding);
zend_string_release(Result);
efree(ToEncodingName);
efree(FromEncodingName);
fuzzer_request_shutdown();
return 0;
}
int LLVMFuzzerInitialize(int *argc, char ***argv) {
fuzzer_init_php(NULL);
return 0;
}
|
