add rtf fuzzer

Change-Id: I36a6294c158232bef8fceeaf5159527f467f5786

2 files changed, 37 insertions, 4 deletions

diff --git a/vcl/workben/fftester.cxx b/vcl/workben/fftester.cxx
index 1dc51e2bdafd..3b7a1619d45e 100644
--- a/vcl/workben/fftester.cxx
+++ b/vcl/workben/fftester.cxx
@@ -67,7 +67,6 @@ extern "C" { static void SAL_CALL thisModule() {} }
 #endif
 
 typedef bool (*WFilterCall)(const OUString &rUrl, const OUString &rFlt);
-typedef bool (*HFilterCall)(const OUString &rUrl);
 typedef bool (*FFilterCall)(SvStream &rStream);
 
 /* This constant specifies the number of inputs to process before restarting.
@@ -349,16 +348,17 @@ try_again:
             }
             else if (strcmp(argv[2], "rtf") == 0)
             {
-                static HFilterCall pfnImport(nullptr);
+                static FFilterCall pfnImport(nullptr);
                 if (!pfnImport)
                 {
                     osl::Module aLibrary;
                     aLibrary.loadRelative(&thisModule, "libmswordlo.so", SAL_LOADMODULE_LAZY);
-                    pfnImport = reinterpret_cast<HFilterCall>(
+                    pfnImport = reinterpret_cast<FFilterCall>(
                         aLibrary.getFunctionSymbol("TestImportRTF"));
                     aLibrary.release();
                 }
-                ret = (int) (*pfnImport)(out);
+                SvFileStream aFileStream(out, StreamMode::READ);
+                ret = (int) (*pfnImport)(aFileStream);
             }
             else if ( (strcmp(argv[2], "xls") == 0) ||
                       (strcmp(argv[2], "wb2") == 0) )
diff --git a/vcl/workben/rtffuzzer.cxx b/vcl/workben/rtffuzzer.cxx
new file mode 100644
index 000000000000..88f9b48c8c80
--- /dev/null
+++ b/vcl/workben/rtffuzzer.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 TestImportRTF(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)TestImportRTF(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: */