expose fodt to oss-fuzz

Change-Id: Ifdc71fc4a1defbd5c07b93c844a8ccaa055969aa
Reviewed-on: https://gerrit.libreoffice.org/42451
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

5 files changed, 85 insertions, 1 deletions

diff --git a/Makefile.in b/Makefile.in
index 04aa28a8cd6c..1de5c22ef17d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -475,7 +475,7 @@ $(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 Library_binaryurp Library_io Library_invocation Library_namingservice Library_proxyfac Library_uuresolver Module_ure 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
+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 Library_binaryurp Library_io Library_invocation Library_namingservice Library_proxyfac Library_uuresolver Module_ure 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 Executable_fodtfuzzer
 
 endif # MAKE_RESTARTS
 
diff --git a/Repository.mk b/Repository.mk
index 623e956bd282..145e533c6621 100644
--- a/Repository.mk
+++ b/Repository.mk
@@ -130,6 +130,7 @@ $(eval $(call gb_Helper_register_executables_for_install,OOO,brand, \
 	$(call gb_Helper_optional,FUZZERS,ww8fuzzer) \
 	$(call gb_Helper_optional,FUZZERS,qpwfuzzer) \
 	$(call gb_Helper_optional,FUZZERS,slkfuzzer) \
+	$(call gb_Helper_optional,FUZZERS,fodtfuzzer) \
 	$(if $(filter-out ANDROID IOS MACOSX WNT,$(OS)),oosplash) \
 	soffice_bin \
 	$(if $(filter DESKTOP,$(BUILD_TYPE)),unopkg_bin) \
diff --git a/vcl/Executable_fodtfuzzer.mk b/vcl/Executable_fodtfuzzer.mk
new file mode 100644
index 000000000000..3a78987f9dc2
--- /dev/null
+++ b/vcl/Executable_fodtfuzzer.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 $(call gb_Executable_Executable,fodtfuzzer))
+
+$(eval $(call gb_Executable_use_api,fodtfuzzer,\
+    offapi \
+    udkapi \
+))
+
+$(eval $(call gb_Executable_use_externals,fodtfuzzer,\
+    $(fuzzer_externals) \
+))
+
+$(eval $(call gb_Executable_set_include,fodtfuzzer,\
+    $$(INCLUDE) \
+    -I$(SRCDIR)/vcl/inc \
+))
+
+$(eval $(call gb_Executable_use_libraries,fodtfuzzer,\
+    $(fuzzer_writer_libraries) \
+    $(fuzzer_core_libraries) \
+))
+
+$(eval $(call gb_Executable_use_static_libraries,fodtfuzzer,\
+    findsofficepath \
+    ulingu \
+    fuzzer_writer \
+    fuzzerstubs \
+))
+
+$(eval $(call gb_Executable_add_exception_objects,fodtfuzzer,\
+    vcl/workben/fodtfuzzer \
+))
+
+$(eval $(call gb_Executable_add_libs,fodtfuzzer,\
+    -lFuzzingEngine \
+))
+
+# vim: set noet sw=4 ts=4:
diff --git a/vcl/Module_vcl.mk b/vcl/Module_vcl.mk
index 086328dbf466..0906aab42b33 100644
--- a/vcl/Module_vcl.mk
+++ b/vcl/Module_vcl.mk
@@ -137,6 +137,7 @@ $(eval $(call gb_Module_add_targets,vcl,\
     Executable_ww8fuzzer \
     Executable_qpwfuzzer \
     Executable_slkfuzzer \
+    Executable_fodtfuzzer \
 ))
 endif
 
diff --git a/vcl/workben/fodtfuzzer.cxx b/vcl/workben/fodtfuzzer.cxx
new file mode 100644
index 000000000000..b881c6af2157
--- /dev/null
+++ b/vcl/workben/fodtfuzzer.cxx
@@ -0,0 +1,33 @@
+/* -*- 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 <vcl/FilterConfigItem.hxx>
+#include "commonfuzzer.hxx"
+
+extern "C" bool TestImportFODT(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)TestImportFODT(aStream);
+    //fontconfigs alloc mechanism is too complicated for lsan/valgrind so
+    //force the fontconfig options to be released now, they are demand loaded
+    //so will be recreated if necessary
+    SvpSalGraphics::getPlatformGlyphCache().ClearFontOptions();
+    return 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */