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Diffstat (limited to 'sandbox/src/sync_interception.cc')
-rw-r--r-- | sandbox/src/sync_interception.cc | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/sandbox/src/sync_interception.cc b/sandbox/src/sync_interception.cc deleted file mode 100644 index 4832c79..0000000 --- a/sandbox/src/sync_interception.cc +++ /dev/null @@ -1,107 +0,0 @@ -// 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. - -#include "sandbox/src/sync_interception.h" - -#include "sandbox/src/crosscall_client.h" -#include "sandbox/src/ipc_tags.h" -#include "sandbox/src/policy_params.h" -#include "sandbox/src/policy_target.h" -#include "sandbox/src/sandbox_factory.h" -#include "sandbox/src/sandbox_nt_util.h" -#include "sandbox/src/sharedmem_ipc_client.h" -#include "sandbox/src/target_services.h" - -namespace sandbox { - -HANDLE WINAPI TargetCreateEventW(CreateEventWFunction orig_CreateEvent, - LPSECURITY_ATTRIBUTES security_attributes, - BOOL manual_reset, BOOL initial_state, - LPCWSTR name) { - // Check if the process can create it first. - HANDLE handle = orig_CreateEvent(security_attributes, manual_reset, - initial_state, name); - DWORD original_error = ::GetLastError(); - if (NULL != handle) - return handle; - - // We don't trust that the IPC can work this early. - if (!SandboxFactory::GetTargetServices()->GetState()->InitCalled()) - return NULL; - - do { - if (security_attributes) - break; - - void* memory = GetGlobalIPCMemory(); - if (NULL == memory) - break; - - CountedParameterSet<NameBased> params; - params[NameBased::NAME] = ParamPickerMake(name); - - if (!QueryBroker(IPC_CREATEEVENT_TAG, params.GetBase())) - break; - - SharedMemIPCClient ipc(memory); - CrossCallReturn answer = {0}; - ResultCode code = CrossCall(ipc, IPC_CREATEEVENT_TAG, name, manual_reset, - initial_state, &answer); - - if (SBOX_ALL_OK != code) - break; - - ::SetLastError(answer.win32_result); - return answer.handle; - } while (false); - - ::SetLastError(original_error); - return NULL; -} - -// Interception of OpenEventW on the child process. -// It should never be called directly -HANDLE WINAPI TargetOpenEventW(OpenEventWFunction orig_OpenEvent, - ACCESS_MASK desired_access, BOOL inherit_handle, - LPCWSTR name) { - // Check if the process can open it first. - HANDLE handle = orig_OpenEvent(desired_access, inherit_handle, name); - DWORD original_error = ::GetLastError(); - if (NULL != handle) - return handle; - - // We don't trust that the IPC can work this early. - if (!SandboxFactory::GetTargetServices()->GetState()->InitCalled()) - return NULL; - - do { - void* memory = GetGlobalIPCMemory(); - if (NULL == memory) - break; - - uint32 inherit_handle_ipc = inherit_handle; - CountedParameterSet<OpenEventParams> params; - params[OpenEventParams::NAME] = ParamPickerMake(name); - params[OpenEventParams::ACCESS] = ParamPickerMake(desired_access); - - if (!QueryBroker(IPC_OPENEVENT_TAG, params.GetBase())) - break; - - SharedMemIPCClient ipc(memory); - CrossCallReturn answer = {0}; - ResultCode code = CrossCall(ipc, IPC_OPENEVENT_TAG, name, desired_access, - inherit_handle_ipc, &answer); - - if (SBOX_ALL_OK != code) - break; - - ::SetLastError(answer.win32_result); - return answer.handle; - } while (false); - - ::SetLastError(original_error); - return NULL; -} - -} // namespace sandbox |