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72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2020 Paul Dreik (github@pauldreik.se)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/cppalliance/json
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//
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#include <boost/json/parser.hpp>
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#include <boost/json/parse_options.hpp>
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#include <boost/json/serialize.hpp>
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using namespace boost::json;
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bool
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fuzz_parser(
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parse_options opt,
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string_view sv)
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{
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parser p(storage_ptr{}, opt);
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error_code ec;
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// This must be called once before parsing every new JSON
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p.reset();
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// Write the first part of the buffer
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p.write( sv.data(), sv.size(), ec);
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if(! ec)
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p.finish( ec );
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// Take ownership of the resulting value.
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if(! ec)
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{
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value jv = p.release();
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return serialize(jv).size()==42;
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}
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return false;
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}
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extern "C"
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int
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LLVMFuzzerTestOneInput(
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const uint8_t* data, size_t size)
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{
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if(size<1)
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return 0;
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parse_options opt;
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opt.allow_comments=!!(data[0]&0x1);
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opt.allow_trailing_commas=!!(data[0]&0x2);
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opt.allow_invalid_utf8=!!(data[0]&0x4);
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opt.max_depth= (data[0]>>3);
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data+=1;
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size-=1;
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try
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{
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string_view view{
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reinterpret_cast<const char*>(
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data), size};
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fuzz_parser(opt,view);
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}
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catch(...)
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{
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}
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return 0;
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}
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