// 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__