Keep only base/extractor.[cc|h].

core/google_update_core.cc

-// Copyright 2008-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#include "omaha/core/google_update_core.h"
-#include "omaha/base/debug.h"
-#include "omaha/base/error.h"
-#include "omaha/base/exception_barrier.h"
-#include "omaha/base/logging.h"
-#include "omaha/base/reg_key.h"
-#include "omaha/base/scope_guard.h"
-#include "omaha/base/scoped_any.h"
-#include "omaha/base/scoped_ptr_address.h"
-#include "omaha/base/system.h"
-#include "omaha/base/utils.h"
-#include "omaha/common/config_manager.h"
-#include "omaha/goopdate/app_command.h"
-
-namespace omaha {
-
-GoogleUpdateCoreBase::GoogleUpdateCoreBase() : StdMarshalInfo(true) {
-  CORE_LOG(L3, (_T("[GoogleUpdateCoreBase::GoogleUpdateCoreBase]")));
-}
-
-GoogleUpdateCoreBase::~GoogleUpdateCoreBase() {
-  CORE_LOG(L3, (_T("[GoogleUpdateCoreBase::~GoogleUpdateCoreBase]")));
-}
-
-STDMETHODIMP GoogleUpdateCoreBase::LaunchCmdElevated(const WCHAR* app_guid,
-                                                     const WCHAR* cmd_id,
-                                                     DWORD caller_proc_id,
-                                                     ULONG_PTR* proc_handle) {
-  CORE_LOG(L3, (_T("[GoogleUpdateCoreBase::LaunchCmdElevated]")
-                _T("[app %s][cmd %s][pid %d]"),
-                app_guid, cmd_id, caller_proc_id));
-
-  ExceptionBarrier barrier;
-
-  ASSERT1(app_guid);
-  ASSERT1(cmd_id);
-  ASSERT1(proc_handle);
-
-  if (!(IsGuid(app_guid) && cmd_id && _tcslen(cmd_id) && proc_handle)) {
-    return E_INVALIDARG;
-  }
-
-  scoped_process caller_proc_handle;
-  HRESULT hr = OpenCallerProcessHandle(caller_proc_id,
-                                       address(caller_proc_handle));
-  if (FAILED(hr)) {
-    CORE_LOG(LE, (_T("[failed to open caller's handle][0x%x]"), hr));
-    return hr;
-  }
-
-  // Allocate a session ID for the ping that this call will generate.  (I'd
-  // really like to be able to pipe an external session ID through this API,
-  // but this is old and I don't feel comfortable changing the signature on it.)
-  CString session_id;
-  GetGuid(&session_id);
-
-  scoped_ptr<AppCommand> app_command;
-  // true == machine level
-  hr = AppCommand::Load(app_guid,
-                        true,
-                        cmd_id,
-                        session_id,
-                        address(app_command));
-  if (FAILED(hr)) {
-    CORE_LOG(LE, (_T("[failed to load command configuration][0x%x]"), hr));
-    return hr;
-  }
-
-  // This is a pseudo handle that must not be closed.
-  HANDLE this_process_handle = ::GetCurrentProcess();
-
-  scoped_process command_process;
-  scoped_process duplicate_proc_handle;
-
-  hr = app_command->Execute(address(command_process));
-  if (FAILED(hr)) {
-    CORE_LOG(LE, (_T("[failed to launch app command][0x%x]"), hr));
-    return hr;
-  }
-
-  DWORD desired_access = PROCESS_QUERY_INFORMATION | SYNCHRONIZE;
-  bool res = ::DuplicateHandle(
-      this_process_handle,             // Current process.
-      get(command_process),            // Process handle to duplicate.
-      get(caller_proc_handle),         // Process receiving the handle.
-      address(duplicate_proc_handle),  // Duplicated handle.
-      desired_access,                  // Access requested for the new handle.
-      false,                           // Don't inherit the new handle.
-      0) != 0;                         // Flags.
-
-  if (!res) {
-    hr = HRESULTFromLastError();
-    CORE_LOG(LE, (_T("[failed to duplicate the handle][0x%08x]"), hr));
-    return hr;
-  }
-
-  // Transfer the ownership of the new handle to the caller. The caller must
-  // close this handle.
-  *proc_handle = reinterpret_cast<ULONG_PTR>(release(duplicate_proc_handle));
-
-  return S_OK;
-}
-
-HRESULT GoogleUpdateCoreBase::OpenCallerProcessHandle(DWORD proc_id,
-                                                      HANDLE* proc_handle) {
-  ASSERT1(proc_handle);
-  *proc_handle = NULL;
-
-  HRESULT hr = ::CoImpersonateClient();
-  if (FAILED(hr)) {
-    return hr;
-  }
-  ON_SCOPE_EXIT(::CoRevertToSelf);
-
-  *proc_handle = ::OpenProcess(PROCESS_DUP_HANDLE, false, proc_id);
-  return *proc_handle ? S_OK : HRESULTFromLastError();
-}
-
-}  // namespace omaha
-