| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // -*- mode: C++ -*- |
| // |
| // Copyright 2021-2022 Google LLC |
| // |
| // Licensed under the Apache License v2.0 with LLVM Exceptions (the |
| // "License"); you may not use this file except in compliance with the |
| // License. You may obtain a copy of the License at |
| // |
| // https://llvm.org/LICENSE.txt |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Author: Matthias Maennich |
| |
| #include <cstddef> |
| |
| #include <libxml/parser.h> |
| #include <libxml/tree.h> |
| #include <libxml/xmlerror.h> |
| #include "abigail_reader.h" |
| #include "error.h" |
| #include "graph.h" |
| |
| namespace { |
| |
| void DoNothing(void*, const char*, ...) {} |
| |
| } // namespace |
| |
| extern "C" int LLVMFuzzerTestOneInput(const char* data, size_t size) { |
| xmlParserCtxtPtr ctxt = xmlNewParserCtxt(); |
| // Suppress libxml error messages. |
| xmlSetGenericErrorFunc(ctxt, (xmlGenericErrorFunc) DoNothing); |
| xmlDocPtr document = xmlCtxtReadMemory( |
| ctxt, data, size, nullptr, nullptr, |
| XML_PARSE_NOERROR | XML_PARSE_NONET | XML_PARSE_NOWARNING); |
| xmlFreeParserCtxt(ctxt); |
| |
| // Bail out if the document XML is invalid. |
| if (document == nullptr) { |
| return 0; |
| } |
| |
| try { |
| stg::Graph graph; |
| stg::abixml::ProcessDocument(graph, document); |
| } catch (const stg::Exception&) { |
| // Pass as this is us catching invalid XML properly. |
| } |
| |
| xmlFreeDoc(document); |
| |
| return 0; |
| } |
