add s[y]lk fuzzer

Change-Id: I46272f8a0b35776b9d14f72b1720e951458ab208
diff --git a/Makefile.in b/Makefile.in
index 62adf2b..ccb4242 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -472,7 +472,7 @@ $(foreach ide,\
    eclipsecdt,\
$(eval $(call gb_Top_GbuildToIdeIntegrationNS,$(ide))))

fuzzers: Library_sal Library_salhelper Library_reg Library_store Library_unoidl codemaker Library_cppu Library_i18nlangtag Library_cppuhelper Library_comphelper StaticLibrary_ulingu StaticLibrary_findsofficepath Library_tl Library_basegfx Library_canvastools Library_cppcanvas Library_dbtools Library_deploymentmisc Library_deploymentmisc Library_editeng Library_fwe Library_fwi Library_i18nutil Library_localebe1 Library_sax Library_sofficeapp Library_ucbhelper Library_opencl Rdb_services udkapi offapi Library_clew Library_gie Library_icg Library_reflection Library_invocadapt Library_bootstrap Library_introspection Library_stocservices Library_xmlreader Library_gcc3_uno instsetoo_native more_fonts StaticLibrary_boost_locale StaticLibrary_fuzzerstubs StaticLibrary_fuzzer_core StaticLibrary_fuzzer_calc StaticLibrary_fuzzer_draw StaticLibrary_fuzzer_writer Library_forui Executable_wmffuzzer Executable_jpgfuzzer Executable_giffuzzer Executable_xbmfuzzer Executable_xpmfuzzer Executable_pngfuzzer Executable_bmpfuzzer Executable_svmfuzzer Executable_pcdfuzzer Executable_dxffuzzer Executable_metfuzzer Executable_ppmfuzzer Executable_psdfuzzer Executable_epsfuzzer Executable_pctfuzzer Executable_pcxfuzzer Executable_rasfuzzer Executable_tgafuzzer Executable_tiffuzzer Executable_hwpfuzzer Executable_602fuzzer Executable_lwpfuzzer Executable_olefuzzer Executable_pptfuzzer Executable_rtffuzzer Executable_cgmfuzzer Executable_ww2fuzzer Executable_ww6fuzzer Executable_ww8fuzzer Executable_qpwfuzzer
fuzzers: Library_sal Library_salhelper Library_reg Library_store Library_unoidl codemaker Library_cppu Library_i18nlangtag Library_cppuhelper Library_comphelper StaticLibrary_ulingu StaticLibrary_findsofficepath Library_tl Library_basegfx Library_canvastools Library_cppcanvas Library_dbtools Library_deploymentmisc Library_deploymentmisc Library_editeng Library_fwe Library_fwi Library_i18nutil Library_localebe1 Library_sax Library_sofficeapp Library_ucbhelper Library_opencl Rdb_services udkapi offapi Library_clew Library_gie Library_icg Library_reflection Library_invocadapt Library_bootstrap Library_introspection Library_stocservices Library_xmlreader Library_gcc3_uno instsetoo_native more_fonts StaticLibrary_boost_locale StaticLibrary_fuzzerstubs StaticLibrary_fuzzer_core StaticLibrary_fuzzer_calc StaticLibrary_fuzzer_draw StaticLibrary_fuzzer_writer Library_forui Executable_wmffuzzer Executable_jpgfuzzer Executable_giffuzzer Executable_xbmfuzzer Executable_xpmfuzzer Executable_pngfuzzer Executable_bmpfuzzer Executable_svmfuzzer Executable_pcdfuzzer Executable_dxffuzzer Executable_metfuzzer Executable_ppmfuzzer Executable_psdfuzzer Executable_epsfuzzer Executable_pctfuzzer Executable_pcxfuzzer Executable_rasfuzzer Executable_tgafuzzer Executable_tiffuzzer Executable_hwpfuzzer Executable_602fuzzer Executable_lwpfuzzer Executable_olefuzzer Executable_pptfuzzer Executable_rtffuzzer Executable_cgmfuzzer Executable_ww2fuzzer Executable_ww6fuzzer Executable_ww8fuzzer Executable_qpwfuzzer Executable_slkfuzzer

endif # MAKE_RESTARTS

diff --git a/Repository.mk b/Repository.mk
index 8538880..d133131 100644
--- a/Repository.mk
+++ b/Repository.mk
@@ -126,6 +126,7 @@ $(eval $(call gb_Helper_register_executables_for_install,OOO,brand, \
	$(call gb_Helper_optional,FUZZERS,ww6fuzzer) \
	$(call gb_Helper_optional,FUZZERS,ww8fuzzer) \
	$(call gb_Helper_optional,FUZZERS,qpwfuzzer) \
	$(call gb_Helper_optional,FUZZERS,slkfuzzer) \
	$(if $(filter-out ANDROID IOS MACOSX WNT,$(OS)),oosplash) \
	soffice_bin \
	$(if $(filter DESKTOP,$(BUILD_TYPE)),unopkg_bin) \
diff --git a/sc/source/ui/docshell/docsh.cxx b/sc/source/ui/docshell/docsh.cxx
index 2bc1648..40b2469 100644
--- a/sc/source/ui/docshell/docsh.cxx
+++ b/sc/source/ui/docshell/docsh.cxx
@@ -3240,4 +3240,13 @@ void ScDocShell::SetIsInUcalc()
    mbUcalcTest = true;
}

extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportSLK(SvStream &rStream)
{
    ScDLL::Init();
    ScDocument aDocument;
    aDocument.MakeTable(0);
    ScImportExport aImpEx(&aDocument);
    return aImpEx.ImportStream(rStream, OUString(), SotClipboardFormatId::SYLK);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/Executable_slkfuzzer.mk b/vcl/Executable_slkfuzzer.mk
new file mode 100644
index 0000000..57ce6a2
--- /dev/null
+++ b/vcl/Executable_slkfuzzer.mk
@@ -0,0 +1,49 @@
# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
#
#
# 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 $(SRCDIR)/vcl/commonfuzzer.mk

$(eval $(call gb_Executable_Executable,slkfuzzer))

$(eval $(call gb_Executable_use_api,slkfuzzer,\
    offapi \
    udkapi \
))

$(eval $(call gb_Executable_use_externals,slkfuzzer,\
	$(fuzzer_externals) \
))

$(eval $(call gb_Executable_set_include,slkfuzzer,\
    $$(INCLUDE) \
    -I$(SRCDIR)/vcl/inc \
))

$(eval $(call gb_Executable_use_libraries,slkfuzzer,\
    $(fuzzer_calc_libraries) \
    $(fuzzer_core_libraries) \
))

$(eval $(call gb_Executable_use_static_libraries,slkfuzzer,\
    findsofficepath \
    ulingu \
    fuzzer_calc \
    fuzzerstubs \
))

$(eval $(call gb_Executable_add_exception_objects,slkfuzzer,\
	vcl/workben/slkfuzzer \
))

$(eval $(call gb_Executable_add_libs,slkfuzzer,\
	-lFuzzingEngine \
))

# vim: set noet sw=4 ts=4:
diff --git a/vcl/Module_vcl.mk b/vcl/Module_vcl.mk
index 15e9d77..9362576 100644
--- a/vcl/Module_vcl.mk
+++ b/vcl/Module_vcl.mk
@@ -136,6 +136,7 @@ $(eval $(call gb_Module_add_targets,vcl,\
    Executable_ww6fuzzer \
    Executable_ww8fuzzer \
    Executable_qpwfuzzer \
    Executable_slkfuzzer \
))
endif

diff --git a/vcl/workben/fftester.cxx b/vcl/workben/fftester.cxx
index 2f0f8b0..48e1785 100644
--- a/vcl/workben/fftester.cxx
+++ b/vcl/workben/fftester.cxx
@@ -490,6 +490,20 @@ try_again:
                SvFileStream aFileStream(out, StreamMode::READ);
                ret = (int) (*pfnImport)(aFileStream);
            }
            else if (strcmp(argv[2], "slk") == 0)
            {
                static FFilterCall pfnImport(nullptr);
                if (!pfnImport)
                {
                    osl::Module aLibrary;
                    aLibrary.loadRelative(&thisModule, "libsclo.so", SAL_LOADMODULE_LAZY);
                    pfnImport = reinterpret_cast<FFilterCall>(
                        aLibrary.getFunctionSymbol("TestImportSLK"));
                    aLibrary.release();
                }
                SvFileStream aFileStream(out, StreamMode::READ);
                ret = (int) (*pfnImport)(aFileStream);
            }

#endif
        }
diff --git a/vcl/workben/slkfuzzer.cxx b/vcl/workben/slkfuzzer.cxx
new file mode 100644
index 0000000..16f857d
--- /dev/null
+++ b/vcl/workben/slkfuzzer.cxx
@@ -0,0 +1,28 @@
/* -*- 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 <tools/stream.hxx>
#include "commonfuzzer.hxx"

extern "C" bool TestImportSLK(SvStream &rStream);

extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
{
    TypicalFuzzerInitialize(argc, argv);
    return 0;
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
    (void)TestImportSLK(aStream);
    return 0;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */