mirror of https://github.com/google/oss-fuzz.git
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
|
/*
|
||
|
|
# Copyright 2018 Google Inc.
|
||
|
|
#
|
||
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
# you may not use this file except in compliance with the License.
|
||
|
|
# You may obtain a copy of the License at
|
||
|
|
#
|
||
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
#
|
||
|
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
# See the License for the specific language governing permissions and
|
||
|
|
# limitations under the License.
|
||
|
|
#
|
||
|
|
################################################################################
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <assert.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include "api/yajl_parse.h"
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
int arrayLevel;
|
||
|
|
int objectLevel;
|
||
|
|
} context;
|
||
|
|
|
||
|
|
static int yajl_found_null(void* ctx) {
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_boolean(void* ctx, int boolean) {
|
||
|
|
return 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int yajl_found_number(void* ctx, const char* v, unsigned int l) {
|
||
|
|
assert(l > 0);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_string(void* ctx, const unsigned char* s, unsigned int l) {
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_object_key(void* ctx, const unsigned char* v, unsigned int l) {
|
||
|
|
assert(((context*)ctx)->objectLevel > 0);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_start_object(void* ctx) {
|
||
|
|
((context*)ctx)->objectLevel++;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_end_object(void* ctx) {
|
||
|
|
assert(((context*)ctx)->objectLevel > 0);
|
||
|
|
((context*)ctx)->objectLevel--;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_start_array(void* ctx) {
|
||
|
|
((context*)ctx)->arrayLevel++;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int yajl_found_end_array(void* ctx) {
|
||
|
|
assert(((context*)ctx)->arrayLevel > 0);
|
||
|
|
((context*)ctx)->arrayLevel--;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static yajl_callbacks callbacks = {
|
||
|
|
yajl_found_null,
|
||
|
|
yajl_found_boolean,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
yajl_found_number,
|
||
|
|
yajl_found_string,
|
||
|
|
yajl_found_start_object,
|
||
|
|
yajl_found_object_key,
|
||
|
|
yajl_found_end_object,
|
||
|
|
yajl_found_start_array,
|
||
|
|
yajl_found_end_array
|
||
|
|
};
|
||
|
|
|
||
|
|
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
||
|
|
context ctx = {
|
||
|
|
.arrayLevel = 0,
|
||
|
|
.objectLevel = 0,
|
||
|
|
};
|
||
|
|
yajl_parser_config cfg = {
|
||
|
|
.allowComments = 1,
|
||
|
|
.checkUTF8 = 1,
|
||
|
|
};
|
||
|
|
yajl_handle parser = yajl_alloc(&callbacks, &cfg, NULL, (void*)&ctx);
|
||
|
|
|
||
|
|
(void)yajl_parse(parser, data, size);
|
||
|
|
yajl_free(parser);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|