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// 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.
//
// See the corresponding header file for description of the functions in this
// file.
#include "chrome/installer/util/install_util.h"
#include <shellapi.h>
#include <shlobj.h>
#include <algorithm>
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/registry.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "base/win_util.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/l10n_string_util.h"
#include "chrome/installer/util/util_constants.h"
#include "chrome/installer/util/work_item_list.h"
bool InstallUtil::ExecuteExeAsAdmin(const std::wstring& exe,
const std::wstring& params,
DWORD* exit_code) {
SHELLEXECUTEINFO info = {0};
info.cbSize = sizeof(SHELLEXECUTEINFO);
info.fMask = SEE_MASK_NOCLOSEPROCESS;
info.lpVerb = L"runas";
info.lpFile = exe.c_str();
info.lpParameters = params.c_str();
info.nShow = SW_SHOW;
if (::ShellExecuteEx(&info) == FALSE)
return false;
::WaitForSingleObject(info.hProcess, INFINITE);
DWORD ret_val = 0;
if (!::GetExitCodeProcess(info.hProcess, &ret_val))
return false;
if (exit_code)
*exit_code = ret_val;
return true;
}
std::wstring InstallUtil::GetChromeUninstallCmd(bool system_install) {
HKEY root = system_install ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
RegKey key(root, dist->GetUninstallRegPath().c_str());
std::wstring uninstall_cmd;
key.ReadValue(installer_util::kUninstallStringField, &uninstall_cmd);
return uninstall_cmd;
}
installer::Version* InstallUtil::GetChromeVersion(bool system_install) {
RegKey key;
std::wstring version_str;
HKEY reg_root = (system_install) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
if (!key.Open(reg_root, dist->GetVersionKey().c_str(), KEY_READ) ||
!key.ReadValue(google_update::kRegVersionField, &version_str)) {
LOG(INFO) << "No existing Chrome install found.";
key.Close();
return NULL;
}
key.Close();
LOG(INFO) << "Existing Chrome version found " << version_str;
return installer::Version::GetVersionFromString(version_str);
}
bool InstallUtil::IsOSSupported() {
int major, minor;
win_util::WinVersion version = win_util::GetWinVersion();
win_util::GetServicePackLevel(&major, &minor);
// We do not support Win2K or older, or XP without service pack 2.
LOG(INFO) << "Windows Version: " << version
<< ", Service Pack: " << major << "." << minor;
if ((version > win_util::WINVERSION_XP) ||
(version == win_util::WINVERSION_XP && major >= 2)) {
return true;
}
return false;
}
void InstallUtil::WriteInstallerResult(bool system_install,
installer_util::InstallStatus status,
int string_resource_id,
const std::wstring* const launch_cmd) {
HKEY root = system_install ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring key = dist->GetStateKey();
int installer_result = (dist->GetInstallReturnCode(status) == 0) ? 0 : 1;
scoped_ptr<WorkItemList> install_list(WorkItem::CreateWorkItemList());
install_list->AddCreateRegKeyWorkItem(root, key);
install_list->AddSetRegValueWorkItem(root, key, L"InstallerResult",
installer_result, true);
install_list->AddSetRegValueWorkItem(root, key, L"InstallerError",
status, true);
if (string_resource_id != 0) {
std::wstring msg = installer_util::GetLocalizedString(string_resource_id);
install_list->AddSetRegValueWorkItem(root, key, L"InstallerResultUIString",
msg, true);
}
if (launch_cmd != NULL && !launch_cmd->empty()) {
install_list->AddSetRegValueWorkItem(root, key,
L"InstallerSuccessLaunchCmdLine",
*launch_cmd, true);
}
if (!install_list->Do())
LOG(ERROR) << "Failed to record installer error information in registry.";
}
bool InstallUtil::IsPerUserInstall(const wchar_t* const exe_path) {
wchar_t program_files_path[MAX_PATH] = {0};
if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
SHGFP_TYPE_CURRENT, program_files_path))) {
return !StartsWith(exe_path, program_files_path, false);
} else {
NOTREACHED();
}
return true;
}
bool InstallUtil::IsChromeFrameProcess() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
DCHECK(command_line)
<< "IsChromeFrameProcess() called before ComamandLine::Init()";
// Also assume this to be a ChromeFrame process if we are running inside
// the Chrome Frame DLL.
FilePath module_path;
PathService::Get(base::FILE_MODULE, &module_path);
std::wstring module_name(module_path.BaseName().value());
return command_line->HasSwitch(installer_util::switches::kChromeFrame) ||
module_name == installer_util::kChromeFrameDll;
}
bool InstallUtil::IsChromeSxSProcess() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
CHECK(command_line);
if (command_line->HasSwitch(installer_util::switches::kChromeSxS))
return true;
// Also return true if we are running from Chrome SxS installed path.
FilePath exe_dir;
PathService::Get(base::DIR_EXE, &exe_dir);
std::wstring chrome_sxs_dir(installer_util::kGoogleChromeInstallSubDir2);
chrome_sxs_dir.append(installer_util::kSxSSuffix);
return FilePath::CompareEqualIgnoreCase(exe_dir.BaseName().value(),
installer_util::kInstallBinaryDir) &&
FilePath::CompareEqualIgnoreCase(exe_dir.DirName().BaseName().value(),
chrome_sxs_dir);
}
bool InstallUtil::BuildDLLRegistrationList(const std::wstring& install_path,
const wchar_t** const dll_names,
int dll_names_count,
bool do_register,
WorkItemList* registration_list) {
DCHECK(NULL != registration_list);
bool success = true;
for (int i = 0; i < dll_names_count; i++) {
std::wstring dll_file_path(install_path);
file_util::AppendToPath(&dll_file_path, dll_names[i]);
success = registration_list->AddSelfRegWorkItem(dll_file_path,
do_register) && success;
}
return (dll_names_count > 0) && success;
}
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