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authorjln@chromium.org <jln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-07-18 00:59:15 +0000
committerjln@chromium.org <jln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-07-18 00:59:15 +0000
commit18149178646e45f3d7dde865efbeabbab431799a (patch)
treecc19ce0fc5cc1927695c789212fab93a195b9d9f /sandbox/src/interception_agent.h
parent4633cdb53427b31197d3c6f991f07bee2a04e0df (diff)
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Move the Windows sandbox to sandbox/win
This is a rather large refactor to move the Windows sandbox to the right place. BUG= TEST= NOTRY=true TBR=sky@chromium.org Review URL: https://chromiumcodereview.appspot.com/10689170 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147151 0039d316-1c4b-4281-b951-d872f2087c98
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diff --git a/sandbox/src/interception_agent.h b/sandbox/src/interception_agent.h
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-// 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__