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| 1 // Copyright (c) 2011 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/chrome_launcher_utils.h" | |
| 6 | |
| 7 #include "base/base_switches.h" | |
| 8 #include "base/command_line.h" | |
| 9 #include "base/file_util.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/path_service.h" | |
| 13 #include "base/strings/string_util.h" | |
| 14 #include "base/win/windows_version.h" | |
| 15 #include "chrome/common/chrome_constants.h" | |
| 16 #include "chrome/common/chrome_switches.h" | |
| 17 #include "chrome_frame/chrome_frame_automation.h" | |
| 18 #include "chrome_frame/policy_settings.h" | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 const char kUpdateCommandFlag[] = "--update-cmd"; | |
| 23 | |
| 24 // Searches for the path to chrome_launcher.exe. Will return false if this | |
| 25 // executable cannot be found, otherwise the command line will be placed in | |
| 26 // |command_line|. | |
| 27 bool CreateChromeLauncherCommandLine(scoped_ptr<CommandLine>* command_line) { | |
| 28 DCHECK(command_line); | |
| 29 bool success = false; | |
| 30 // The launcher EXE will be in the same directory as the Chrome Frame DLL, | |
| 31 // so create a full path to it based on this assumption. | |
| 32 base::FilePath module_path; | |
| 33 if (PathService::Get(base::FILE_MODULE, &module_path)) { | |
| 34 base::FilePath current_dir = module_path.DirName(); | |
| 35 base::FilePath chrome_launcher = current_dir.Append( | |
| 36 chrome_launcher::kLauncherExeBaseName); | |
| 37 if (base::PathExists(chrome_launcher)) { | |
| 38 command_line->reset(new CommandLine(chrome_launcher)); | |
| 39 success = true; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 if (!success) { | |
| 44 NOTREACHED() << "Could not find " << chrome_launcher::kLauncherExeBaseName | |
| 45 << " in output dir."; | |
| 46 } | |
| 47 | |
| 48 return success; | |
| 49 } | |
| 50 | |
| 51 } // namespace | |
| 52 | |
| 53 namespace chrome_launcher { | |
| 54 | |
| 55 const wchar_t kLauncherExeBaseName[] = L"chrome_launcher.exe"; | |
| 56 | |
| 57 bool CreateUpdateCommandLine(const std::wstring& update_command, | |
| 58 scoped_ptr<CommandLine>* command_line) { | |
| 59 DCHECK(command_line); | |
| 60 bool success = false; | |
| 61 | |
| 62 if (CreateChromeLauncherCommandLine(command_line)) { | |
| 63 (*command_line)->AppendArg(kUpdateCommandFlag); | |
| 64 (*command_line)->AppendArg(WideToASCII(update_command)); | |
| 65 success = true; | |
| 66 } | |
| 67 | |
| 68 return success; | |
| 69 } | |
| 70 | |
| 71 bool CreateLaunchCommandLine(scoped_ptr<CommandLine>* command_line) { | |
| 72 DCHECK(command_line); | |
| 73 | |
| 74 // Shortcut for OS versions that don't need the integrity broker. | |
| 75 if (base::win::GetVersion() < base::win::VERSION_VISTA) { | |
| 76 command_line->reset(new CommandLine(GetChromeExecutablePath())); | |
| 77 | |
| 78 // When we do not use the Chrome Launcher, we need to add the optional extra | |
| 79 // parameters from the group policy here (this is normally done by the | |
| 80 // chrome launcher). We don't do this when we use the launcher as the | |
| 81 // optional arguments could trip off sanitization checks and prevent Chrome | |
| 82 // from being launched. | |
| 83 const CommandLine& additional_params = | |
| 84 PolicySettings::GetInstance()->AdditionalLaunchParameters(); | |
| 85 command_line->get()->AppendArguments(additional_params, false); | |
| 86 return true; | |
| 87 } | |
| 88 | |
| 89 return CreateChromeLauncherCommandLine(command_line); | |
| 90 } | |
| 91 | |
| 92 base::FilePath GetChromeExecutablePath() { | |
| 93 base::FilePath cur_path; | |
| 94 PathService::Get(base::DIR_MODULE, &cur_path); | |
| 95 cur_path = cur_path.Append(chrome::kBrowserProcessExecutableName); | |
| 96 | |
| 97 // The installation model for Chrome places the DLLs in a versioned | |
| 98 // sub-folder one down from the Chrome executable. If we fail to find | |
| 99 // chrome.exe in the current path, try looking one up and launching that | |
| 100 // instead. | |
| 101 if (!base::PathExists(cur_path)) { | |
| 102 PathService::Get(base::DIR_MODULE, &cur_path); | |
| 103 cur_path = cur_path.DirName().Append(chrome::kBrowserProcessExecutableName); | |
| 104 } | |
| 105 | |
| 106 return cur_path; | |
| 107 } | |
| 108 | |
| 109 } // namespace chrome_launcher | |
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