add s[y]lk fuzzer

Change-Id: I46272f8a0b35776b9d14f72b1720e951458ab208

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
 

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) \

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: */

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:

vcl/Module_vcl.mk

@@ -136,6 +136,7 @@ $(eval $(call gb_Module_add_targets,vcl,\
     Executable_ww6fuzzer \
     Executable_ww8fuzzer \
     Executable_qpwfuzzer \
+    Executable_slkfuzzer \
 ))
 endif
 

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
         }

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: */