1 files changed, 82 insertions, 0 deletions
diff --git a/dom/media/ipc/RDDProcessImpl.cpp b/dom/media/ipc/RDDProcessImpl.cpp
new file mode 100644
index 0000000000..facf0b148a
--- /dev/null
+++ b/dom/media/ipc/RDDProcessImpl.cpp
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "RDDProcessImpl.h"
+
+#include "mozilla/ipc/IOThreadChild.h"
+
+#if defined(OS_WIN) && defined(MOZ_SANDBOX)
+#  include "mozilla/sandboxTarget.h"
+#endif
+
+#include "ProcessUtils.h"
+
+namespace mozilla {
+
+using namespace ipc;
+
+RDDProcessImpl::RDDProcessImpl(ProcessId aParentPid)
+    : ProcessChild(aParentPid) {}
+
+RDDProcessImpl::~RDDProcessImpl() = default;
+
+bool RDDProcessImpl::Init(int aArgc, char* aArgv[]) {
+#if defined(MOZ_SANDBOX) && defined(OS_WIN)
+  // Preload AV dlls so we can enable Binary Signature Policy
+  // to restrict further dll loads.
+  LoadLibraryW(L"mozavcodec.dll");
+  LoadLibraryW(L"mozavutil.dll");
+  mozilla::SandboxTarget::Instance()->StartSandbox();
+#endif
+  char* parentBuildID = nullptr;
+  char* prefsHandle = nullptr;
+  char* prefMapHandle = nullptr;
+  char* prefsLen = nullptr;
+  char* prefMapSize = nullptr;
+  for (int i = 1; i < aArgc; i++) {
+    if (!aArgv[i]) {
+      continue;
+    }
+    if (strcmp(aArgv[i], "-parentBuildID") == 0) {
+      parentBuildID = aArgv[i + 1];
+
+#ifdef XP_WIN
+    } else if (strcmp(aArgv[i], "-prefsHandle") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefsHandle = aArgv[i];
+    } else if (strcmp(aArgv[i], "-prefMapHandle") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefMapHandle = aArgv[i];
+#endif
+    } else if (strcmp(aArgv[i], "-prefsLen") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefsLen = aArgv[i];
+    } else if (strcmp(aArgv[i], "-prefMapSize") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefMapSize = aArgv[i];
+    }
+  }
+
+  SharedPreferenceDeserializer deserializer;
+  if (!deserializer.DeserializeFromSharedMemory(prefsHandle, prefMapHandle,
+                                                prefsLen, prefMapSize)) {
+    return false;
+  }
+
+  return mRDD.Init(ParentPid(), parentBuildID, IOThreadChild::message_loop(),
+                   IOThreadChild::TakeChannel());
+}
+
+void RDDProcessImpl::CleanUp() { NS_ShutdownXPCOM(nullptr); }
+
+}  // namespace mozilla