1 files changed, 54 insertions, 0 deletions
diff --git a/tools/fuzzing/interface/FuzzingInterfaceStream.cpp b/tools/fuzzing/interface/FuzzingInterfaceStream.cpp
new file mode 100644
index 0000000000..f2c5c891e9
--- /dev/null
+++ b/tools/fuzzing/interface/FuzzingInterfaceStream.cpp
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/*
+ * Interface implementation for the unified fuzzing interface
+ */
+
+#include "nsIFile.h"
+#include "nsIPrefService.h"
+#include "nsIProperties.h"
+
+#include "FuzzingInterfaceStream.h"
+
+#include "mozilla/Assertions.h"
+
+#ifndef JS_STANDALONE
+#  include "nsNetUtil.h"
+#endif
+
+namespace mozilla {
+
+#ifdef AFLFUZZ
+
+void afl_interface_stream(const char* testFile,
+                          FuzzingTestFuncStream testFunc) {
+  nsresult rv;
+  nsCOMPtr<nsIProperties> dirService =
+      do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+  MOZ_RELEASE_ASSERT(dirService != nullptr);
+  nsCOMPtr<nsIFile> file;
+  rv = dirService->Get(NS_OS_CURRENT_WORKING_DIR, NS_GET_IID(nsIFile),
+                       getter_AddRefs(file));
+  MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+  file->AppendNative(nsDependentCString(testFile));
+  while (__AFL_LOOP(1000)) {
+    nsCOMPtr<nsIInputStream> inputStream;
+    rv = NS_NewLocalFileInputStream(getter_AddRefs(inputStream), file);
+    MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+    if (!NS_InputStreamIsBuffered(inputStream)) {
+      nsCOMPtr<nsIInputStream> bufStream;
+      rv = NS_NewBufferedInputStream(getter_AddRefs(bufStream),
+                                     inputStream.forget(), 1024);
+      MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+      inputStream = bufStream;
+    }
+    testFunc(inputStream.forget());
+  }
+}
+
+#endif
+
+}  // namespace mozilla