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