1 files changed, 137 insertions, 0 deletions
diff --git a/security/sandbox/win/src/sandboxbroker/sandboxBroker.h b/security/sandbox/win/src/sandboxbroker/sandboxBroker.h
new file mode 100644
index 0000000000..752fbaa9aa
--- /dev/null
+++ b/security/sandbox/win/src/sandboxbroker/sandboxBroker.h
@@ -0,0 +1,137 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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/. */
+
+#ifndef __SECURITY_SANDBOX_SANDBOXBROKER_H__
+#define __SECURITY_SANDBOX_SANDBOXBROKER_H__
+
+#include <stdint.h>
+#include <windows.h>
+
+#include "build/build_config.h"
+#include "mozilla/ipc/EnvironmentMap.h"
+#include "nsCOMPtr.h"
+#include "nsXULAppAPI.h"
+#include "nsISupportsImpl.h"
+
+#include "mozilla/ipc/UtilityProcessSandboxing.h"
+#include "mozilla/ipc/LaunchError.h"
+#include "mozilla/Result.h"
+
+namespace sandbox {
+class BrokerServices;
+class TargetPolicy;
+}  // namespace sandbox
+
+namespace mozilla {
+
+class AbstractSandboxBroker {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AbstractSandboxBroker)
+
+  virtual void Shutdown() = 0;
+  virtual Result<Ok, mozilla::ipc::LaunchError> LaunchApp(
+      const wchar_t* aPath, const wchar_t* aArguments,
+      base::EnvironmentMap& aEnvironment, GeckoProcessType aProcessType,
+      const bool aEnableLogging, const IMAGE_THUNK_DATA* aCachedNtdllThunk,
+      void** aProcessHandle) = 0;
+
+  // Security levels for different types of processes
+  virtual void SetSecurityLevelForContentProcess(int32_t aSandboxLevel,
+                                                 bool aIsFileProcess) = 0;
+
+  virtual void SetSecurityLevelForGPUProcess(int32_t aSandboxLevel) = 0;
+  virtual bool SetSecurityLevelForRDDProcess() = 0;
+  virtual bool SetSecurityLevelForSocketProcess() = 0;
+  virtual bool SetSecurityLevelForUtilityProcess(
+      mozilla::ipc::SandboxingKind aSandbox) = 0;
+
+  enum SandboxLevel { LockDown, Restricted };
+  virtual bool SetSecurityLevelForGMPlugin(SandboxLevel aLevel,
+                                           bool aIsRemoteLaunch = false) = 0;
+
+  // File system permissions
+  virtual bool AllowReadFile(wchar_t const* file) = 0;
+
+  /**
+   * Share a HANDLE with the child process. The HANDLE will be made available
+   * in the child process at the memory address
+   * |reinterpret_cast<uintptr_t>(aHandle)|. It is the caller's responsibility
+   * to communicate this address to the child.
+   */
+  virtual void AddHandleToShare(HANDLE aHandle) = 0;
+
+  /**
+   * @return true if policy has win32k locked down, otherwise false
+   */
+  virtual bool IsWin32kLockedDown() = 0;
+
+ protected:
+  virtual ~AbstractSandboxBroker() {}
+};
+
+class SandboxBroker : public AbstractSandboxBroker {
+ public:
+  SandboxBroker();
+
+  static void Initialize(sandbox::BrokerServices* aBrokerServices);
+
+  void Shutdown() override {}
+
+  /**
+   * Do initialization that depends on parts of the Gecko machinery having been
+   * created first.
+   */
+  static void GeckoDependentInitialize();
+
+  Result<Ok, mozilla::ipc::LaunchError> LaunchApp(
+      const wchar_t* aPath, const wchar_t* aArguments,
+      base::EnvironmentMap& aEnvironment, GeckoProcessType aProcessType,
+      const bool aEnableLogging, const IMAGE_THUNK_DATA* aCachedNtdllThunk,
+      void** aProcessHandle) override;
+  virtual ~SandboxBroker();
+
+  // Security levels for different types of processes
+  void SetSecurityLevelForContentProcess(int32_t aSandboxLevel,
+                                         bool aIsFileProcess) override;
+
+  void SetSecurityLevelForGPUProcess(int32_t aSandboxLevel) override;
+  bool SetSecurityLevelForRDDProcess() override;
+  bool SetSecurityLevelForSocketProcess() override;
+  bool SetSecurityLevelForGMPlugin(SandboxLevel aLevel,
+                                   bool aIsRemoteLaunch = false) override;
+  bool SetSecurityLevelForUtilityProcess(
+      mozilla::ipc::SandboxingKind aSandbox) override;
+
+  // File system permissions
+  bool AllowReadFile(wchar_t const* file) override;
+
+  /**
+   * Exposes AddTargetPeer from broker services, so that non-sandboxed
+   * processes can be added as handle duplication targets.
+   */
+  static bool AddTargetPeer(HANDLE aPeerProcess);
+
+  /**
+   * Share a HANDLE with the child process. The HANDLE will be made available
+   * in the child process at the memory address
+   * |reinterpret_cast<uintptr_t>(aHandle)|. It is the caller's responsibility
+   * to communicate this address to the child.
+   */
+  void AddHandleToShare(HANDLE aHandle) override;
+
+  bool IsWin32kLockedDown() final;
+
+  // Set up dummy interceptions via the broker, so we can log calls.
+  void ApplyLoggingPolicy();
+
+ private:
+  static bool sRunningFromNetworkDrive;
+  sandbox::TargetPolicy* mPolicy;
+};
+
+}  // namespace mozilla
+
+#endif