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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SANDBOX_SRC_POLICY_BROKER_H__
#define SANDBOX_SRC_POLICY_BROKER_H__
namespace sandbox {
class InterceptionManager;
class TargetProcess;
// Sets up interceptions not controlled by explicit policies.
bool SetupBasicInterceptions(InterceptionManager* manager);
// Sets up imports from NTDLL for the given target process so the interceptions
// can work.
bool SetupNtdllImports(TargetProcess *child);
// This macro simply calls interception_manager.AddToPatchedFunctions with
// the given service to intercept (INTERCEPTION_SERVICE_CALL), and assumes that
// the interceptor is called "TargetXXX", where XXX is the name of the service.
// Note that exported_target is the actual exported name of the interceptor,
// following the calling convention of a service call (WINAPI = with the "C"
// underscore and the number of bytes to pop out of the stack)
#if SANDBOX_EXPORTS
#define INTERCEPT_NT(manager, service, exported_target) \
(&Target##service) ? \
manager->AddToPatchedFunctions(kNtdllName, #service, \
sandbox::INTERCEPTION_SERVICE_CALL, \
exported_target) : false
#define INTERCEPT_EAT(manager, dll, function, exported_target) \
(&Target##function) ? \
manager->AddToPatchedFunctions(dll, #function, sandbox::INTERCEPTION_EAT, \
exported_target) : false
#else
#define INTERCEPT_NT(manager, service, exported_target) \
manager->AddToPatchedFunctions(kNtdllName, #service, \
sandbox::INTERCEPTION_SERVICE_CALL, \
&Target##service)
#define INTERCEPT_EAT(manager, dll, function, exported_target) \
manager->AddToPatchedFunctions(dll, #function, sandbox::INTERCEPTION_EAT, \
&Target##function)
#endif
} // namespace sandbox
#endif // SANDBOX_SRC_POLICY_BROKER_H__
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