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| 1 // Copyright (c) 2012 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 "chrome_frame/update_launcher.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 #include <Shellapi.h> | |
| 9 | |
| 10 #include "base/win/scoped_com_initializer.h" | |
| 11 #include "base/win/scoped_comptr.h" | |
| 12 #include "base/win/scoped_handle.h" | |
| 13 #include "google_update/google_update_idl.h" | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 const wchar_t kChromeFrameGuid[] = L"{8BA986DA-5100-405E-AA35-86F34A02ACBF}"; | |
| 18 | |
| 19 const DWORD kLaunchFailureExitCode = 0xFF; | |
| 20 | |
| 21 const wchar_t kUpdateCommandFlag[] = L"--update-cmd"; | |
| 22 | |
| 23 // Waits indefinitely for the provided process to exit. Returns the process's | |
| 24 // exit code, or kLaunchFailureExitCode if an error occurs in the waiting. | |
| 25 DWORD WaitForProcessExitCode(HANDLE handle) { | |
| 26 DWORD exit_code = 0; | |
| 27 return ((::WaitForSingleObject(handle, INFINITE) == WAIT_OBJECT_0) && | |
| 28 ::GetExitCodeProcess(handle, &exit_code)) ? | |
| 29 exit_code : kLaunchFailureExitCode; | |
| 30 } | |
| 31 | |
| 32 } // namespace | |
| 33 | |
| 34 namespace update_launcher { | |
| 35 | |
| 36 std::wstring GetUpdateCommandFromArguments(const wchar_t* command_line) { | |
| 37 std::wstring command; | |
| 38 | |
| 39 if (command_line != NULL) { | |
| 40 int num_args = 0; | |
| 41 wchar_t** args = NULL; | |
| 42 args = ::CommandLineToArgvW(command_line, &num_args); | |
| 43 | |
| 44 if (args) { | |
| 45 if (num_args == 3 && _wcsicmp(args[1], kUpdateCommandFlag) == 0) | |
| 46 command = args[2]; | |
| 47 ::LocalFree(args); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 return command; | |
| 52 } | |
| 53 | |
| 54 DWORD LaunchUpdateCommand(const std::wstring& command) { | |
| 55 base::win::ScopedCOMInitializer com_initializer; | |
| 56 if (!com_initializer.succeeded()) | |
| 57 return kLaunchFailureExitCode; | |
| 58 | |
| 59 base::win::ScopedComPtr<IProcessLauncher> ipl; | |
| 60 if (FAILED(ipl.CreateInstance(__uuidof(ProcessLauncherClass)))) | |
| 61 return kLaunchFailureExitCode; | |
| 62 | |
| 63 ULONG_PTR phandle = NULL; | |
| 64 if (FAILED(ipl->LaunchCmdElevated(kChromeFrameGuid, command.c_str(), | |
| 65 ::GetCurrentProcessId(), &phandle))) | |
| 66 return kLaunchFailureExitCode; | |
| 67 | |
| 68 base::win::ScopedHandle process(reinterpret_cast<HANDLE>(phandle)); | |
| 69 return WaitForProcessExitCode(process); | |
| 70 } | |
| 71 | |
| 72 } // namespace process_launcher | |
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Chromium Code Reviews
Issue 126143005:
Remove Chrome Frame code and resources. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src