1 files changed, 42 insertions, 0 deletions
diff --git a/toolkit/xre/PolicyChecks.h b/toolkit/xre/PolicyChecks.h
new file mode 100644
index 0000000000..7760b30cbd
--- /dev/null
+++ b/toolkit/xre/PolicyChecks.h
@@ -0,0 +1,42 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_PolicyChecks_h
+#define mozilla_PolicyChecks_h
+
+#if defined(XP_WIN)
+
+#  include <windows.h>
+
+// NB: This code must be able to run apart from XPCOM
+
+namespace mozilla {
+
+inline bool PolicyHasRegValue(HKEY aKey, LPCWSTR aName, DWORD* aValue) {
+  DWORD len = sizeof(DWORD);
+  LONG ret = ::RegGetValueW(aKey, L"SOFTWARE\\Policies\\Mozilla\\Firefox",
+                            aName, RRF_RT_DWORD, nullptr, aValue, &len);
+  return ret == ERROR_SUCCESS;
+}
+
+inline bool PolicyCheckBoolean(LPCWSTR aPolicyName) {
+  DWORD value;
+  if (PolicyHasRegValue(HKEY_LOCAL_MACHINE, aPolicyName, &value)) {
+    return value == 1;
+  }
+
+  if (PolicyHasRegValue(HKEY_CURRENT_USER, aPolicyName, &value)) {
+    return value == 1;
+  }
+
+  return false;
+}
+
+}  // namespace mozilla
+
+#endif  // defined(XP_WIN)
+
+#endif  // mozilla_PolicyChecks_h