Add real_path option to LaunchProcess

base/process/launch_win.cc

 // Copyright (c) 2012 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 "base/process/launch.h"
 
 #include <fcntl.h>
 #include <io.h>
 #include <shellapi.h>
 #include <windows.h>
@@ skipping 254 matching lines @@
   if (options.force_breakaway_from_job_)
     flags |= CREATE_BREAKAWAY_FROM_JOB;
 
   PROCESS_INFORMATION temp_process_info = {};
 
   LPCTSTR current_directory = options.current_directory.empty()
                                   ? nullptr
                                   : options.current_directory.value().c_str();
 
   string16 writable_cmdline(cmdline);
+  const char16* executable_path = !options.real_path.empty() ?
+      options.real_path.value().c_str() : nullptr;
   if (options.as_user) {
     flags |= CREATE_UNICODE_ENVIRONMENT;
     void* enviroment_block = nullptr;
 
     if (!CreateEnvironmentBlock(&enviroment_block, options.as_user, FALSE)) {
       DPLOG(ERROR);
       return Process();
     }
 
     BOOL launched = CreateProcessAsUser(
-        options.as_user, nullptr, &writable_cmdline[0], nullptr, nullptr,
-        inherit_handles, flags, enviroment_block, current_directory,
+        options.as_user, executable_path, &writable_cmdline[0], nullptr,
+        nullptr, inherit_handles, flags, enviroment_block, current_directory,
         startup_info, &temp_process_info);
     DestroyEnvironmentBlock(enviroment_block);
     if (!launched) {
       DPLOG(ERROR) << "Command line:" << std::endl << UTF16ToUTF8(cmdline)
                    << std::endl;
       return Process();
     }
   } else {
-    if (!CreateProcess(nullptr, &writable_cmdline[0], nullptr, nullptr,
+    if (!CreateProcess(executable_path, &writable_cmdline[0], nullptr, nullptr,
                        inherit_handles, flags, nullptr, current_directory,
                        startup_info, &temp_process_info)) {
       DPLOG(ERROR) << "Command line:" << std::endl << UTF16ToUTF8(cmdline)
                    << std::endl;
       return Process();
     }
   }
   base::win::ScopedProcessInformation process_info(temp_process_info);
 
   if (options.job_handle) {
     if (0 == AssignProcessToJobObject(options.job_handle,
                                       process_info.process_handle())) {
       DLOG(ERROR) << "Could not AssignProcessToObject.";
       Process scoped_process(process_info.TakeProcessHandle());
       scoped_process.Terminate(kProcessKilledExitCode, true);
       return Process();
     }
 
     ResumeThread(process_info.thread_handle());
   }
 
   if (options.wait)
     WaitForSingleObject(process_info.process_handle(), INFINITE);
 
   return Process(process_info.TakeProcessHandle());
 }
 
 Process LaunchElevatedProcess(const CommandLine& cmdline,
                               const LaunchOptions& options) {
-  const string16 file = cmdline.GetProgram().value();
+  const string16 file = !options.real_path.empty() ?
+      options.real_path.value() : cmdline.GetProgram().value();
   const string16 arguments = cmdline.GetArgumentsString();
 
   SHELLEXECUTEINFO shex_info = {};
   shex_info.cbSize = sizeof(shex_info);
   shex_info.fMask = SEE_MASK_NOCLOSEPROCESS;
   shex_info.hwnd = GetActiveWindow();
   shex_info.lpVerb = L"runas";
   shex_info.lpFile = file.c_str();
   shex_info.lpParameters = arguments.c_str();
   shex_info.lpDirectory = nullptr;
@@ skipping 31 matching lines @@
 
 bool GetAppOutput(const StringPiece16& cl, std::string* output) {
   return GetAppOutputInternal(cl, false, output);
 }
 
 void RaiseProcessToHighPriority() {
   SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 }
 
 }  // namespace base