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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <time.h>
#include "base/file_util.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "chrome/installer/setup/setup.h"
#include "chrome/installer/setup/setup_constants.h"
#include "chrome/installer/util/copy_tree_work_item.h"
#include "chrome/installer/util/create_dir_work_item.h"
#include "chrome/installer/util/create_reg_key_work_item.h"
#include "chrome/installer/util/delete_tree_work_item.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/l10n_string_util.h"
#include "chrome/installer/util/logging_installer.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/set_reg_value_work_item.h"
#include "chrome/installer/util/shell_util.h"
#include "chrome/installer/util/util_constants.h"
#include "chrome/installer/util/version.h"
#include "chrome/installer/util/work_item_list.h"
#include "setup_strings.h"
namespace {
std::wstring AppendPath(const std::wstring parent_path,
const std::wstring path) {
std::wstring new_path(parent_path);
file_util::AppendToPath(&new_path, path);
return new_path;
}
// This method adds work items to create (or update) Chrome uninstall entry in
// Control Panel->Add/Remove Programs list.
void AddUninstallShortcutWorkItems(HKEY reg_root,
const std::wstring& exe_path,
const std::wstring& install_path,
const std::wstring& new_version,
WorkItemList* install_list) {
std::wstring uninstall_cmd(L"\"");
uninstall_cmd.append(installer::GetInstallerPathUnderChrome(install_path,
new_version));
file_util::AppendToPath(&uninstall_cmd,
file_util::GetFilenameFromPath(exe_path));
uninstall_cmd.append(L"\" --");
uninstall_cmd.append(installer_util::switches::kUninstall);
// Create DisplayName, UninstallString and InstallLocation keys
install_list->AddCreateRegKeyWorkItem(reg_root,
installer_util::kUninstallRegPath);
const std::wstring& product_name =
installer_util::GetLocalizedString(IDS_PRODUCT_NAME_BASE);
install_list->AddSetRegValueWorkItem(
reg_root, installer_util::kUninstallRegPath,
installer_util::kUninstallDisplayNameField, product_name, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
installer_util::kUninstallStringField,
uninstall_cmd, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"InstallLocation", install_path, true);
// DisplayIcon, NoModify and NoRepair
std::wstring chrome_icon = AppendPath(install_path,
installer_util::kChromeExe);
ShellUtil::GetChromeIcon(chrome_icon);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"DisplayIcon", chrome_icon, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"NoModify", 1, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"NoRepair", 1, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"Publisher",
installer_util::kPublisherName, true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"Version", new_version.c_str(), true);
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"DisplayVersion",
new_version.c_str(), true);
time_t rawtime = time(NULL);
struct tm timeinfo = {0};
localtime_s(&timeinfo, &rawtime);
wchar_t buffer[9];
if (wcsftime(buffer, 9, L"%Y%m%d", &timeinfo) == 8) {
install_list->AddSetRegValueWorkItem(reg_root,
installer_util::kUninstallRegPath,
L"InstallDate",
buffer, false);
}
}
void AddInstallerCopyTasks(const std::wstring& exe_path,
const std::wstring& archive_path,
const std::wstring& temp_path,
const std::wstring& install_path,
const std::wstring& new_version,
WorkItemList* install_list) {
std::wstring installer_dir(installer::GetInstallerPathUnderChrome(
install_path, new_version));
install_list->AddCreateDirWorkItem(installer_dir);
std::wstring exe_dst(installer_dir);
std::wstring archive_dst(installer_dir);
file_util::AppendToPath(&exe_dst,
file_util::GetFilenameFromPath(exe_path));
file_util::AppendToPath(&archive_dst,
file_util::GetFilenameFromPath(archive_path));
install_list->AddCopyTreeWorkItem(exe_path, exe_dst, temp_path,
WorkItem::ALWAYS);
install_list->AddCopyTreeWorkItem(archive_path, archive_dst, temp_path,
WorkItem::ALWAYS);
}
// This method tells if we are running on 64 bit platform so that we can copy
// one extra exe. If the API call to determine 64 bit fails, we play it safe
// and return true anyway so that the executable can be copied.
bool Is64bit() {
typedef BOOL (WINAPI *WOW_FUNC)(HANDLE, PBOOL);
BOOL is64 = FALSE;
HANDLE handle = GetCurrentProcess();
HMODULE module = GetModuleHandle(L"kernel32.dll");
WOW_FUNC p = reinterpret_cast<WOW_FUNC>(GetProcAddress(module,
"IsWow64Process"));
if ((p != NULL) && (!(p)(handle, &is64) || (is64 != FALSE))) {
return true;
}
return false;
}
}
bool installer::InstallNewVersion(const std::wstring& exe_path,
const std::wstring& archive_path,
const std::wstring& src_path,
const std::wstring& install_path,
const std::wstring& temp_dir,
const HKEY reg_root,
const Version& new_version) {
if (reg_root != HKEY_LOCAL_MACHINE && reg_root != HKEY_CURRENT_USER)
return false;
scoped_ptr<WorkItemList> install_list(WorkItem::CreateWorkItemList());
// A temp directory that work items need and the actual install directory.
install_list->AddCreateDirWorkItem(temp_dir);
install_list->AddCreateDirWorkItem(install_path);
// Browse for all the files in archive, add work items to copy them while
// handling special cases of executables.
LOG(INFO) << "Looking for Chrome installation files under " << src_path;
std::wstring root_path(src_path);
file_util::AppendToPath(&root_path, L"*");
WIN32_FIND_DATA find_file_data;
HANDLE file_handle = FindFirstFile(root_path.c_str(), &find_file_data);
BOOL ret = TRUE;
while (ret) {
LOG(INFO) << "directory found: " << find_file_data.cFileName;
// We do not want any directories starting with '.'
if ((wcslen(find_file_data.cFileName) <= 0) ||
(find_file_data.cFileName[0] == '.')) {
LOG(INFO) << "Ignoring directory found: " << find_file_data.cFileName;
} else if (_wcsicmp(find_file_data.cFileName,
installer_util::kChromeExe) == 0) {
// Special case of chrome.exe. Delete any new_chrome.exe if present
// (we will create a new one if chrome.exe is in use) and then
// copy chrome.exe.
install_list->AddDeleteTreeWorkItem(
AppendPath(install_path, installer::kChromeNewExe), std::wstring());
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, installer_util::kChromeExe),
AppendPath(install_path, installer_util::kChromeExe),
temp_dir, WorkItem::RENAME_IF_IN_USE,
AppendPath(install_path, installer::kChromeNewExe));
} else if (_wcsicmp(find_file_data.cFileName,
installer::kWowHelperExe) == 0) {
// Special case of wow_helper.exe which is required only on 64 bit
// systems. This exe runs only for a short time when Chrome starts so
// it should not be locked most of the times and can be overwritten
// directly.
if (Is64bit()) {
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, installer::kWowHelperExe),
AppendPath(install_path, installer::kWowHelperExe),
temp_dir, WorkItem::ALWAYS);
}
} else {
// In all other cases just copy the file/directory to install location.
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, find_file_data.cFileName),
AppendPath(install_path, find_file_data.cFileName),
temp_dir, WorkItem::ALWAYS); // Always overwrite.
}
ret = FindNextFile(file_handle, &find_file_data);
}
FindClose(file_handle);
// Copy installer in install directory and
// add shortcut in Control Panel->Add/Remove Programs.
AddInstallerCopyTasks(exe_path, archive_path, temp_dir, install_path,
new_version.GetString(), install_list.get());
AddUninstallShortcutWorkItems(reg_root, exe_path, install_path,
new_version.GetString(), install_list.get());
// Delete any old_chrome.exe if present.
install_list->AddDeleteTreeWorkItem(
AppendPath(install_path, installer::kChromeOldExe), std::wstring());
// Create Google Update key (if not already present) and set the new Chrome
// version as last step.
std::wstring chrome_google_update_key =
InstallUtil::GetChromeGoogleUpdateKey();
install_list->AddCreateRegKeyWorkItem(reg_root, chrome_google_update_key);
install_list->AddSetRegValueWorkItem(reg_root, chrome_google_update_key,
google_update::kRegNameField,
installer_util::kChrome,
false); // Don't overwrite.
install_list->AddSetRegValueWorkItem(reg_root, chrome_google_update_key,
google_update::kRegVersionField,
new_version.GetString(),
true); // overwrite version
// Perform install operations.
if (!install_list->Do()) {
LOG(ERROR) << "install failed, roll back... ";
install_list->Rollback();
return false;
}
return true;
}
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