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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/main.h>
#include <tools/extendapplicationenvironment.hxx>
#include <cppuhelper/bootstrap.hxx>
#include <comphelper/configuration.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <rtl/bootstrap.hxx>
#include <rtl/strbuf.hxx>
#include <osl/file.hxx>
#include <osl/process.h>
#include <vcl/graph.hxx>
#include <vcl/print.hxx>
#include <vcl/svapp.hxx>
#include <vcl/wmf.hxx>
#include <unistd.h>
#include <stdlib.h>
#include "headless/svpgdi.hxx"
#include "unx/fontmanager.hxx"
#include "unx/glyphcache.hxx"
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace cppu;
namespace
{
OUString getExecutableDir()
{
OUString uri;
if (osl_getExecutableFile(&uri.pData) != osl_Process_E_None) {
abort();
}
sal_Int32 lastDirSeparatorPos = uri.lastIndexOf('/');
if (lastDirSeparatorPos >= 0) {
uri = uri.copy(0, lastDirSeparatorPos + 1);
}
return uri;
}
OUString getExecutableName()
{
OUString uri;
if (osl_getExecutableFile(&uri.pData) != osl_Process_E_None) {
abort();
}
return uri.copy(uri.lastIndexOf('/') + 1);
}
void setFontConfigConf(const OUString &execdir)
{
osl::File aFontConfig("file:///tmp/wmffuzzerfonts.conf");
if (aFontConfig.open(osl_File_OpenFlag_Create | osl_File_OpenFlag_Write) == osl::File::E_None)
{
OUString sExecDir;
osl::FileBase::getSystemPathFromFileURL(execdir, sExecDir);
OStringBuffer aBuffer("<?xml version=\"1.0\"?>\n<fontconfig><dir>");
aBuffer.append(OUStringToOString(sExecDir, osl_getThreadTextEncoding()))
.append(OUStringToOString(getExecutableName(), osl_getThreadTextEncoding())).append(".fonts");
aBuffer.append("</dir><cachedir>/tmp/cache/fontconfig</cachedir></fontconfig>");
OString aConf = aBuffer.makeStringAndClear();
sal_uInt64 aBytesWritten;
aFontConfig.write(aConf.getStr(), aConf.getLength(), aBytesWritten);
assert(aBytesWritten == aConf.getLength());
}
setenv("FONTCONFIG_FILE", "/tmp/wmffuzzerfonts.conf", 0);
}
}
extern "C" bool GetSpecialCharsForEdit() { return false; }
extern "C"
{
__attribute__((weak)) void __lsan_disable();
__attribute__((weak)) void __lsan_enable();
}
void CommonInitialize(int *argc, char ***argv)
{
setenv("SAL_USE_VCLPLUGIN", "svp", 1);
setenv("JPEGMEM", "768M", 1);
setenv("JSIMD_FORCENONE", "1", 1); // https://github.com/libjpeg-turbo/libjpeg-turbo/issues/253
setenv("SC_MAX_MATRIX_ELEMENTS", "60000000", 1);
setenv("SC_NO_THREADED_CALCULATION", "1", 1);
setenv("SAL_DISABLE_PRINTERLIST", "1", 1);
setenv("SAL_DISABLE_DEFAULTPRINTER", "1", 1);
setenv("SAL_NO_FONT_LOOKUP", "1", 1);
setenv("SAX_DISABLE_THREADS", "1", 1);
//allow bubbling of max input len to fuzzer targets
int nMaxLen = 0;
for (int i = 0; i < *argc; ++i)
{
if (strncmp((*argv)[i], "-max_len=", 9) == 0)
nMaxLen = atoi((*argv)[i] + 9);
}
setenv("FUZZ_MAX_INPUT_LEN", "1", nMaxLen);
osl_setCommandArgs(*argc, *argv);
OUString sExecDir = getExecutableDir();
rtl::Bootstrap::set("BRAND_BASE_DIR", sExecDir);
setFontConfigConf(sExecDir);
tools::extendApplicationEnvironment();
Reference< XComponentContext > xContext =
defaultBootstrap_InitialComponentContext(sExecDir + getExecutableName() + ".unorc");
Reference< XMultiServiceFactory > xServiceManager( xContext->getServiceManager(), UNO_QUERY );
if( !xServiceManager.is() )
Application::Abort( "Failed to bootstrap" );
comphelper::setProcessServiceFactory( xServiceManager );
comphelper::EnableFuzzing();
Application::EnableHeadlessMode(false);
InitVCL();
//we don't have a de-init, so inside this leak disabled region...
//get the font info
psp::PrintFontManager::get();
//get the printer info
Printer::GetPrinterQueues();
//https://github.com/google/oss-fuzz/issues/1449
//https://github.com/google/oss-fuzz/issues/5441
//release the solarmutex so a fork can acquire it which should
//allow these fuzzers to work without AFL_DRIVER_DONT_DEFER set
//removing the confusion of #5441 and the need for AFL_DRIVER_DONT_DEFER
//in .options files
Application::ReleaseSolarMutex();
}
void TypicalFuzzerInitialize(int *argc, char ***argv)
{
if (__lsan_disable)
__lsan_disable();
CommonInitialize(argc, argv);
if (__lsan_enable)
__lsan_enable();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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