62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright 2020 Google LLC
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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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| // Fuzz UriQuery.c:
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| //   uriDissectQueryMallocA
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| //   uriComposeQueryA
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| 
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| #include <cstddef>
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| #include <cstdint>
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| #include <string>
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| #include <utility>
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| #include <vector>
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| 
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| using std::string;
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| #include "uriparser/include/uriparser/Uri.h"
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| 
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| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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| 
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|   const string query(reinterpret_cast<const char *>(data), size);
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| 
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|   UriQueryListA *query_list = nullptr;
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|   int item_count = -1;
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| 
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|   const char *query_start = query.c_str();
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|   const char *query_end = query_start + size;
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| 
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|   // Break a query like "a=b&2=3" into key/value pairs.
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|   int result =
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|       uriDissectQueryMallocA(&query_list, &item_count, query_start, query_end);
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| 
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|   if (query_list == nullptr || result != URI_SUCCESS || item_count < 0)
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|     return 0;
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| 
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|   int chars_required = 0;
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|   if (uriComposeQueryCharsRequiredA(query_list, &chars_required) != URI_SUCCESS)
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|     return 0;
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| 
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|   if (!chars_required) {
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|     uriFreeQueryListA(query_list);
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|     return 0;
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|   }
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| 
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|   std::vector<char> buf(chars_required, 0);
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|   int written = -1;
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|   // Reverse the process of uriDissectQueryMallocA.
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|   result = uriComposeQueryA(buf.data(), query_list, chars_required, &written);
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| 
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|   uriFreeQueryListA(query_list);
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|   return 0;
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| }
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