1 files changed, 48 insertions, 0 deletions
diff --git a/agent/src/main/native/com/code_intelligence/jazzer/replay/com_code_intelligence_jazzer_replay_Replayer.cpp b/agent/src/main/native/com/code_intelligence/jazzer/replay/com_code_intelligence_jazzer_replay_Replayer.cpp
new file mode 100644
index 00000000..c4bdfcfb
--- /dev/null
+++ b/agent/src/main/native/com/code_intelligence/jazzer/replay/com_code_intelligence_jazzer_replay_Replayer.cpp
@@ -0,0 +1,48 @@
+// Copyright 2021 Code Intelligence GmbH
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "com_code_intelligence_jazzer_replay_Replayer.h"
+
+#include <jni.h>
+
+#include "driver/fuzzed_data_provider.h"
+
+namespace {
+uint8_t *data = nullptr;
+}
+
+void Java_com_code_1intelligence_jazzer_replay_Replayer_feedFuzzedDataProvider(
+    JNIEnv *env, jclass, jbyteArray input) {
+  if (data == nullptr) {
+    jazzer::SetUpFuzzedDataProvider(*env);
+  } else {
+    delete[] data;
+  }
+
+  std::size_t size = env->GetArrayLength(input);
+  if (env->ExceptionCheck()) {
+    env->ExceptionDescribe();
+    env->FatalError("Failed to get length of input");
+  }
+  data = static_cast<uint8_t *>(operator new(size));
+  if (data == nullptr) {
+    env->FatalError("Failed to allocate memory for a copy of the input");
+  }
+  env->GetByteArrayRegion(input, 0, size, reinterpret_cast<jbyte *>(data));
+  if (env->ExceptionCheck()) {
+    env->ExceptionDescribe();
+    env->FatalError("Failed to copy input");
+  }
+  jazzer::FeedFuzzedDataProvider(data, size);
+}