65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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* Fuzzing of boost property tree parsers.
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* by Paul Dreik 20180818
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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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#include <boost/property_tree/xml_parser.hpp>
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#include <sstream>
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int
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readXml(const char* Data, size_t Size)
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{
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namespace pt = boost::property_tree;
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if (Size < 1) {
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// no data to use for flags - skip.
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return 0;
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}
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std::stringstream ss;
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const auto firstbyte = Data[0];
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ss.write(Data + 1, Size - 1);
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pt::ptree tree;
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try {
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// set the parse flags based on the first byte
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int flags = 0;
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if (firstbyte & 0x1) {
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flags |= pt::xml_parser::no_concat_text;
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}
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if (firstbyte & 0x2) {
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flags |= pt::xml_parser::no_comments;
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}
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if (firstbyte & 0x4) {
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flags |= pt::xml_parser::trim_whitespace;
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}
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pt::read_xml(ss, tree, flags);
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return tree.size() ? 1 : 0;
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} catch (...) {
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return 0;
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}
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}
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extern "C" int
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LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size)
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{
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readXml(reinterpret_cast<const char*>(Data), Size);
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return 0;
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}
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