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			83 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of solidity.
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| 
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| 	solidity is free software: you can redistribute it and/or modify
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| 	it under the terms of the GNU General Public License as published by
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| 	the Free Software Foundation, either version 3 of the License, or
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| 	(at your option) any later version.
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| 
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| 	solidity is distributed in the hope that it will be useful,
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| 	but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| 	GNU General Public License for more details.
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| 
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| 	You should have received a copy of the GNU General Public License
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| 	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| // SPDX-License-Identifier: GPL-3.0
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| 
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| #include <test/tools/ossfuzz/SolidityEvmoneInterface.h>
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| 
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| #include <test/tools/ossfuzz/protoToAbiV2.h>
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| 
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| #include <src/libfuzzer/libfuzzer_macro.h>
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| #include <abicoder.hpp>
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| 
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| using namespace solidity::frontend;
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| using namespace solidity::test::fuzzer;
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| using namespace solidity::test::abiv2fuzzer;
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| using namespace solidity::test;
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| using namespace solidity::util;
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| using namespace solidity;
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| using namespace std;
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| 
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| static constexpr size_t abiCoderHeapSize = 1024 * 512;
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| static evmc::VM evmone = evmc::VM{evmc_create_evmone()};
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| 
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| DEFINE_PROTO_FUZZER(Contract const& _contract)
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| {
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| 	ProtoConverter converter;
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| 	string contractSource = converter.contractToString(_contract);
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| 
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| 	if (const char* dump_path = getenv("PROTO_FUZZER_DUMP_PATH"))
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| 	{
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| 		// With libFuzzer binary run this to generate the solidity source file x.sol from a proto input:
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| 		// PROTO_FUZZER_DUMP_PATH=x.sol ./a.out proto-input
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| 		ofstream of(dump_path);
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| 		of << contractSource;
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| 	}
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| 
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| 	string typeString = converter.isabelleTypeString();
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| 	string valueString = converter.isabelleValueString();
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| 	abicoder::ABICoder coder(abiCoderHeapSize);
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| 	if (!typeString.empty() && converter.coderFunction())
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| 	{
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| 		auto [encodeStatus, encodedData] = coder.encode(typeString, valueString);
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| 		solAssert(encodeStatus, "Isabelle abicoder fuzzer: Encoding failed");
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| 
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| 		// We target the default EVM which is the latest
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| 		langutil::EVMVersion version;
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| 		EVMHost hostContext(version, evmone);
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| 		string contractName = "C";
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| 		StringMap source({{"test.sol", contractSource}});
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| 		CompilerInput cInput(version, source, contractName, OptimiserSettings::minimal(), {});
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| 		EvmoneUtility evmoneUtil(
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| 			hostContext,
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| 			cInput,
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| 			contractName,
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| 			{},
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| 			{}
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| 		);
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| 		auto result = evmoneUtil.compileDeployAndExecute(encodedData);
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| 		if (result.has_value())
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| 		{
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| 			solAssert(result->status_code != EVMC_REVERT, "Proto ABIv2 fuzzer: EVM One reverted.");
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| 			if (result->status_code == EVMC_SUCCESS)
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| 				solAssert(
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| 					EvmoneUtility::zeroWord(result->output_data, result->output_size),
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| 					"Proto ABIv2 fuzzer: ABIv2 coding failure found."
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| 				);
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| 		}
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| 	}
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| }
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