blob: e09b1b7fa7eab101e7f62de95ca3db4b1772d00f [file] [log] [blame]
// Copyright 2017 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 "chrome/installer/setup/setup_install_details.h"
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "base/strings/string16.h"
#include "base/win/registry.h"
#include "chrome/install_static/install_constants.h"
#include "chrome/install_static/install_details.h"
#include "chrome/install_static/install_modes.h"
#include "chrome/install_static/install_util.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/master_preferences.h"
#include "chrome/installer/util/master_preferences_constants.h"
#include "chrome/installer/util/util_constants.h"
namespace {
const install_static::InstallConstants* FindInstallMode(
const base::CommandLine& command_line) {
// Search for a mode whose switch is on the command line.
for (int i = 1; i < install_static::NUM_INSTALL_MODES; ++i) {
const install_static::InstallConstants& mode =
install_static::kInstallModes[i];
if (command_line.HasSwitch(mode.install_switch))
return &mode;
}
// The first mode is always the default if all else fails.
return &install_static::kInstallModes[0];
}
// Returns true if Chrome is installed (i.e., has a "pv" value) and its
// UninstallArguments contains "--multi-install".
bool IsUpdatingFromMulti(const install_static::InstallConstants& mode,
bool system_level) {
const HKEY root = system_level ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
const wchar_t* const app_guid = mode.app_guid;
base::win::RegKey key;
base::string16 value;
return key.Open(root, install_static::GetClientsKeyPath(app_guid).c_str(),
KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS &&
key.ReadValue(google_update::kRegVersionField, &value) ==
ERROR_SUCCESS &&
!value.empty() &&
key.Open(root, install_static::GetClientStateKeyPath(app_guid).c_str(),
KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS &&
key.ReadValue(installer::kUninstallArgumentsField, &value) ==
ERROR_SUCCESS &&
value.find(L"--multi-install") != base::string16::npos;
}
} // namespace
void InitializeInstallDetails(
const base::CommandLine& command_line,
const installer::MasterPreferences& master_preferences) {
install_static::InstallDetails::SetForProcess(
MakeInstallDetails(command_line, master_preferences));
}
std::unique_ptr<install_static::PrimaryInstallDetails> MakeInstallDetails(
const base::CommandLine& command_line,
const installer::MasterPreferences& master_preferences) {
std::unique_ptr<install_static::PrimaryInstallDetails> details(
base::MakeUnique<install_static::PrimaryInstallDetails>());
// The mode is determined by brand-specific command line switches.
const install_static::InstallConstants* const mode =
FindInstallMode(command_line);
details->set_mode(mode);
// The install level may be set by any of:
// - distribution.system_level=true in master_preferences,
// - --system-level on the command line, or
// - the GoogleUpdateIsMachine=1 environment variable.
// In all three cases the value is sussed out in MasterPreferences
// initialization.
bool system_level = false;
master_preferences.GetBool(installer::master_preferences::kSystemLevel,
&system_level);
details->set_system_level(system_level);
// The channel is determined based on the brand and the mode's
// ChannelStrategy. For brands that do not support Google Update, the channel
// is an empty string. For modes using the FIXED strategy, the channel is the
// default_channel_name in the mode. For modes using the ADDITIONAL_PARAMETERS
// strategy, the channel is parsed from the "ap" value in either the binaries'
// ClientState registry key or the mode's ClientState registry key. Which one
// is used depends on whether or not this Chrome is updating from a legacy
// multi-install Chrome.
details->set_channel(install_static::DetermineChannel(
*mode, system_level, IsUpdatingFromMulti(*mode, system_level)));
return details;
}