1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* -*- 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/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <unotools/configmgr.hxx>
#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"
{
__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 );
utl::ConfigManager::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: */
|
