1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "sandbox/win/src/process_mitigations_win32k_dispatcher.h" 6 #include "sandbox/win/src/interception.h" 7 #include "sandbox/win/src/interceptors.h" 8 #include "sandbox/win/src/ipc_tags.h" 9 #include "sandbox/win/src/process_mitigations_win32k_interception.h" 10 11 namespace sandbox { 12 13 ProcessMitigationsWin32KDispatcher::ProcessMitigationsWin32KDispatcher( 14 PolicyBase* policy_base) 15 : policy_base_(policy_base) { 16 } 17 18 bool ProcessMitigationsWin32KDispatcher::SetupService( 19 InterceptionManager* manager, int service) { 20 if (!(policy_base_->GetProcessMitigations() & 21 sandbox::MITIGATION_WIN32K_DISABLE)) { 22 return false; 23 } 24 25 switch (service) { 26 case IPC_GDI_GDIDLLINITIALIZE_TAG: { 27 if (!INTERCEPT_EAT(manager, L"gdi32.dll", GdiDllInitialize, 28 GDIINITIALIZE_ID, 12)) { 29 return false; 30 } 31 return true; 32 } 33 34 case IPC_GDI_GETSTOCKOBJECT_TAG: { 35 if (!INTERCEPT_EAT(manager, L"gdi32.dll", GetStockObject, 36 GETSTOCKOBJECT_ID, 8)) { 37 return false; 38 } 39 return true; 40 } 41 42 case IPC_USER_REGISTERCLASSW_TAG: { 43 if (!INTERCEPT_EAT(manager, L"user32.dll", RegisterClassW, 44 REGISTERCLASSW_ID, 8)) { 45 return false; 46 } 47 return true; 48 } 49 50 default: 51 break; 52 } 53 return false; 54 } 55 56 } // namespace sandbox 57 58
