cba736567a
which means I can remove one usage of gb_Library_set_plugin_for, which is blocking linking the sw module into --enable-mergelibs=more Change-Id: I8c199421c66de2dcf339ccc2d5cb9340d3bea914 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164429 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <tools/stream.hxx>
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#include <vcl/FilterConfigItem.hxx>
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#include <com/sun/star/awt/XToolkit.hpp>
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#include <com/sun/star/ucb/XContentProvider.hpp>
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#include <com/sun/star/ucb/XUniversalContentBroker.hpp>
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#include <libxml/parser.h>
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#include "commonfuzzer.hxx"
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extern "C" bool TestPDFExportFODT(SvStream& rStream);
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static void silent_error_func(void*, const char* /*format*/, ...) {}
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extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
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{
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if (__lsan_disable)
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__lsan_disable();
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CommonInitialize(argc, argv);
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// initialise unconfigured UCB:
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css::uno::Reference<css::ucb::XUniversalContentBroker> xUcb(
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comphelper::getProcessServiceFactory()->createInstance(
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"com.sun.star.ucb.UniversalContentBroker"),
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css::uno::UNO_QUERY_THROW);
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css::uno::Sequence<css::uno::Any> aArgs{ css::uno::Any(OUString("NoConfig")) };
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css::uno::Reference<css::ucb::XContentProvider> xFileProvider(
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comphelper::getProcessServiceFactory()->createInstanceWithArguments(
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"com.sun.star.ucb.FileContentProvider", aArgs),
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css::uno::UNO_QUERY_THROW);
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xUcb->registerContentProvider(xFileProvider, "file", true);
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// create and hold a reference to XToolkit here to avoid the lsan warning about its leak
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// due to getting created in the unusual case of no vcl main loop
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static css::uno::Reference<css::awt::XToolkit> xTk(
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comphelper::getProcessServiceFactory()->createInstance("com.sun.star.awt.Toolkit"),
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css::uno::UNO_QUERY_THROW);
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if (__lsan_enable)
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__lsan_enable();
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xmlInitParser();
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xmlSetGenericErrorFunc(nullptr, silent_error_func);
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return 0;
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}
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extern "C" size_t LLVMFuzzerMutate(uint8_t* Data, size_t Size, size_t MaxSize);
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extern "C" {
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__attribute__((weak)) void __msan_unpoison(const volatile void*, size_t) {}
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}
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extern "C" size_t LLVMFuzzerCustomMutator(uint8_t* Data, size_t Size, size_t MaxSize,
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unsigned int /*Seed*/)
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{
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size_t Ret = LLVMFuzzerMutate(Data, Size, MaxSize);
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__msan_unpoison(Data, Ret);
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// an effort to only generate valid xml, in this fuzzer we only really care
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// about the deeper levels of turning valid input into writer layout and
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// pdf export
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xmlParserCtxtPtr ctxt = xmlNewParserCtxt();
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xmlDocPtr Doc = xmlCtxtReadMemory(ctxt, reinterpret_cast<const char*>(Data), Ret, nullptr,
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nullptr, XML_PARSE_NONET);
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if (Doc == nullptr)
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Ret = 0;
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else
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xmlFreeDoc(Doc);
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xmlFreeParserCtxt(ctxt);
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xmlResetLastError();
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return Ret;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
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{
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SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
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bool bFODTLoaded = TestPDFExportFODT(aStream);
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// if the fodt didn't load then reject so that input will not be added to the corpus
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// we're not interested in input that doesn't go on to exercise the pdf export
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return bFODTLoaded ? 0 : -1;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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