mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
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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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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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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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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#include <test/tools/ossfuzz/SolidityEvmoneInterface.h>
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#include <test/tools/ossfuzz/protoToAbiV2.h>
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#include <src/libfuzzer/libfuzzer_macro.h>
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#include <abicoder.hpp>
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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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static constexpr size_t abiCoderHeapSize = 1024 * 512;
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static evmc::VM evmone = evmc::VM{evmc_create_evmone()};
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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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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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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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// 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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