Move the Windows sandbox to sandbox/win

sandbox/src/interception_agent.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Defines InterceptionAgent, the class in charge of setting up interceptions
-// from the inside of the sandboxed process. For more details see
-// http://dev.chromium.org/developers/design-documents/sandbox .
-
-#ifndef SANDBOX_SRC_INTERCEPTION_AGENT_H__
-#define SANDBOX_SRC_INTERCEPTION_AGENT_H__
-
-#include "base/basictypes.h"
-#include "sandbox/src/nt_internals.h"
-#include "sandbox/src/sandbox_types.h"
-
-namespace sandbox {
-
-// Internal structures used for communication between the broker and the target.
-struct DllInterceptionData;
-struct SharedMemory;
-struct DllPatchInfo;
-
-class ResolverThunk;
-
-// The InterceptionAgent executes on the target application, and it is in charge
-// of setting up the desired interceptions or indicating what module needs to
-// be unloaded.
-//
-// The exposed API consists of three methods: GetInterceptionAgent to retrieve
-// the single class instance, OnDllLoad and OnDllUnload to process a dll being
-// loaded and unloaded respectively.
-//
-// This class assumes that it will get called for every dll being loaded,
-// starting with kernel32, so the singleton will be instantiated from within the
-// loader lock.
-class InterceptionAgent {
- public:
-  // Returns the single InterceptionAgent object for this process.
-  static InterceptionAgent* GetInterceptionAgent();
-
-  // This method should be invoked whenever a new dll is loaded to perform the
-  // required patches. If the return value is false, this dll should not be
-  // allowed to load.
-  //
-  // full_path is the (optional) full name of the module being loaded and name
-  // is the internal module name. If full_path is provided, it will be used
-  // before the internal name to determine if we care about this dll.
-  bool OnDllLoad(const UNICODE_STRING* full_path, const UNICODE_STRING* name,
-                 void* base_address);
-
-  // Performs cleanup when a dll is unloaded.
-  void OnDllUnload(void* base_address);
-
- private:
-  ~InterceptionAgent() {}
-
-  // Performs initialization of the singleton.
-  bool Init(SharedMemory* shared_memory);
-
-  // Returns true if we are interested on this dll. dll_info is an entry of the
-  // list of intercepted dlls.
-  bool DllMatch(const UNICODE_STRING* full_path, const UNICODE_STRING* name,
-                const DllPatchInfo* dll_info);
-
-  // Performs the patching of the dll loaded at base_address.
-  // The patches to perform are described on dll_info, and thunks is the thunk
-  // storage for the whole dll.
-  // Returns true on success.
-  bool PatchDll(const DllPatchInfo* dll_info, DllInterceptionData* thunks);
-
-  // Returns a resolver for a given interception type.
-  ResolverThunk* GetResolver(InterceptionType type);
-
-  // Shared memory containing the list of functions to intercept.
-  SharedMemory* interceptions_;
-
-  // Array of thunk data buffers for the intercepted dlls. This object singleton
-  // is allocated with a placement new with enough space to hold the complete
-  // array of pointers, not just the first element.
-  DllInterceptionData* dlls_[1];
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(InterceptionAgent);
-};
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_INTERCEPTION_AGENT_H__