// 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 "chrome/installer/util/installer_state.h"
#include <algorithm>
#include <functional>
#include <utility>
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/file_version_info.h"
#include "base/files/file_enumerator.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/registry.h"
#include "base/win/scoped_handle.h"
#include "chrome/installer/util/delete_tree_work_item.h"
#include "chrome/installer/util/helper.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/installation_state.h"
#include "chrome/installer/util/master_preferences.h"
#include "chrome/installer/util/master_preferences_constants.h"
#include "chrome/installer/util/product.h"
#include "chrome/installer/util/work_item.h"
#include "chrome/installer/util/work_item_list.h"
namespace installer {
bool InstallerState::IsMultiInstallUpdate(
const MasterPreferences& prefs,
const InstallationState& machine_state) {
// First, are the binaries present?
const ProductState* binaries =
machine_state.GetProductState(level_ == SYSTEM_LEVEL,
BrowserDistribution::CHROME_BINARIES);
if (binaries == NULL) {
// The multi-install binaries have not been installed, so they certainly
// aren't being updated.
return false;
}
if (prefs.install_chrome()) {
const ProductState* product =
machine_state.GetProductState(level_ == SYSTEM_LEVEL,
BrowserDistribution::CHROME_BROWSER);
if (product == NULL) {
VLOG(2) << "It seems that chrome is being installed for the first time.";
return false;
}
if (!product->channel().Equals(binaries->channel())) {
VLOG(2) << "It seems that chrome is being over installed.";
return false;
}
}
VLOG(2) << "It seems that the binaries are being updated.";
return true;
}
InstallerState::InstallerState()
: operation_(UNINITIALIZED),
state_type_(BrowserDistribution::CHROME_BROWSER),
multi_package_distribution_(NULL),
level_(UNKNOWN_LEVEL),
package_type_(UNKNOWN_PACKAGE_TYPE),
root_key_(NULL),
msi_(false),
verbose_logging_(false),
ensure_google_update_present_(false) {
}
InstallerState::InstallerState(Level level)
: operation_(UNINITIALIZED),
state_type_(BrowserDistribution::CHROME_BROWSER),
multi_package_distribution_(NULL),
level_(UNKNOWN_LEVEL),
package_type_(UNKNOWN_PACKAGE_TYPE),
root_key_(NULL),
msi_(false),
verbose_logging_(false),
ensure_google_update_present_(false) {
// Use set_level() so that root_key_ is updated properly.
set_level(level);
}
void InstallerState::Initialize(const CommandLine& command_line,
const MasterPreferences& prefs,
const InstallationState& machine_state) {
Clear();
bool pref_bool;
if (!prefs.GetBool(master_preferences::kSystemLevel, &pref_bool))
pref_bool = false;
set_level(pref_bool ? SYSTEM_LEVEL : USER_LEVEL);
if (!prefs.GetBool(master_preferences::kVerboseLogging, &verbose_logging_))
verbose_logging_ = false;
if (!prefs.GetBool(master_preferences::kMultiInstall, &pref_bool))
pref_bool = false;
set_package_type(pref_bool ? MULTI_PACKAGE : SINGLE_PACKAGE);
if (!prefs.GetBool(master_preferences::kMsi, &msi_))
msi_ = false;
ensure_google_update_present_ =
command_line.HasSwitch(installer::switches::kEnsureGoogleUpdatePresent);
const bool is_uninstall = command_line.HasSwitch(switches::kUninstall);
if (prefs.install_chrome()) {
Product* p = AddProductFromPreferences(
BrowserDistribution::CHROME_BROWSER, prefs, machine_state);
VLOG(1) << (is_uninstall ? "Uninstall" : "Install")
<< " distribution: " << p->distribution()->GetDisplayName();
}
if (prefs.install_chrome_app_launcher()) {
Product* p = AddProductFromPreferences(
BrowserDistribution::CHROME_APP_HOST, prefs, machine_state);
VLOG(1) << (is_uninstall ? "Uninstall" : "Install")
<< " distribution: " << p->distribution()->GetDisplayName();
}
if (!is_uninstall && is_multi_install()) {
bool need_binaries = false;
if (FindProduct(BrowserDistribution::CHROME_APP_HOST)) {
// App Host will happily use Chrome at system level, or binaries at system
// level, even if app host is user level.
const ProductState* chrome_state = machine_state.GetProductState(
true, // system level
BrowserDistribution::CHROME_BROWSER);
// If Chrome is at system-level, multi- or otherwise. We'll use it.
if (!chrome_state) {
const ProductState* binaries_state = machine_state.GetProductState(
true, // system level
BrowserDistribution::CHROME_BINARIES);
if (!binaries_state)
need_binaries = true;
}
}
// Chrome multi needs Binaries at its own level.
if (FindProduct(BrowserDistribution::CHROME_BROWSER))
need_binaries = true;
if (need_binaries && !FindProduct(BrowserDistribution::CHROME_BINARIES)) {
// Force binaries to be installed/updated.
Product* p = AddProductFromPreferences(
BrowserDistribution::CHROME_BINARIES, prefs, machine_state);
VLOG(1) << "Install distribution: "
<< p->distribution()->GetDisplayName();
}
}
if (is_uninstall && prefs.is_multi_install()) {
if (FindProduct(BrowserDistribution::CHROME_BROWSER)) {
// Uninstall each product of type |type| listed below based on the
// presence or absence of |switch_name| in that product's uninstall
// command.
const struct {
BrowserDistribution::Type type;
const char* switch_name;
bool switch_expected;
} conditional_additions[] = {
// If the App Host is installed, but not the App Launcher, remove it
// with Chrome. Note however that for system-level Chrome uninstalls,
// any installed user-level App Host will remain even if there is no
// App Launcher present (the orphaned app_host.exe will prompt the user
// for further action when executed).
{ BrowserDistribution::CHROME_APP_HOST,
switches::kChromeAppLauncher,
false },
};
for (size_t i = 0; i < arraysize(conditional_additions); ++i) {
const ProductState* product_state = machine_state.GetProductState(
system_install(), conditional_additions[i].type);
if (product_state != NULL &&
product_state->uninstall_command().HasSwitch(
conditional_additions[i].switch_name) ==
conditional_additions[i].switch_expected &&
!FindProduct(conditional_additions[i].type)) {
Product* p = AddProductFromPreferences(
conditional_additions[i].type, prefs, machine_state);
VLOG(1) << "Uninstall distribution: "
<< p->distribution()->GetDisplayName();
}
}
}
bool keep_binaries = false;
// Look for a multi-install product that is not the binaries and that is not
// being uninstalled. If not found, binaries are uninstalled too.
for (size_t i = 0; i < BrowserDistribution::NUM_TYPES; ++i) {
BrowserDistribution::Type type =
static_cast<BrowserDistribution::Type>(i);
if (type == BrowserDistribution::CHROME_BINARIES)
continue;
const ProductState* product_state =
machine_state.GetProductState(system_install(), type);
if (product_state == NULL) {
// The product is not installed.
continue;
}
if (!product_state->is_multi_install() &&
type != BrowserDistribution::CHROME_BROWSER) {
// The product is not sharing the binaries. It is ordinarily impossible
// for single-install Chrome to be installed along with any
// multi-install product. Treat single-install Chrome the same as any
// multi-install product just in case the impossible happens.
continue;
}
// The product is installed.
if (!FindProduct(type)) {
// The product is not being uninstalled.
if (type != BrowserDistribution::CHROME_APP_HOST) {
keep_binaries = true;
break;
} else {
// If binaries/chrome are at system-level, we can discard them at
// user-level...
if (!machine_state.GetProductState(
true, // system-level
BrowserDistribution::CHROME_BROWSER) &&
!machine_state.GetProductState(
true, // system-level
BrowserDistribution::CHROME_BINARIES)) {
// ... otherwise keep them.
keep_binaries = true;
break;
}
}
}
// The product is being uninstalled.
}
if (!keep_binaries &&
machine_state.GetProductState(system_install(),
BrowserDistribution::CHROME_BINARIES)) {
Product* p = AddProductFromPreferences(
BrowserDistribution::CHROME_BINARIES, prefs, machine_state);
VLOG(1) << (is_uninstall ? "Uninstall" : "Install")
<< " distribution: " << p->distribution()->GetDisplayName();
}
}
BrowserDistribution* operand = NULL;
if (is_uninstall) {
operation_ = UNINSTALL;
} else if (!prefs.is_multi_install()) {
// For a single-install, the current browser dist is the operand.
operand = BrowserDistribution::GetDistribution();
operation_ = SINGLE_INSTALL_OR_UPDATE;
} else if (IsMultiInstallUpdate(prefs, machine_state)) {
// Updates driven by Google Update take place under the multi-installer's
// app guid.
operand = multi_package_distribution_;
operation_ = MULTI_UPDATE;
} else {
operation_ = MULTI_INSTALL;
}
// Initial, over, and un-installs will take place under one of the product app
// guids (Chrome, App Host, or Binaries, in order of preference).
if (operand == NULL) {
BrowserDistribution::Type operand_distribution_type =
BrowserDistribution::CHROME_BINARIES;
if (prefs.install_chrome())
operand_distribution_type = BrowserDistribution::CHROME_BROWSER;
else if (prefs.install_chrome_app_launcher())
operand_distribution_type = BrowserDistribution::CHROME_APP_HOST;
operand = BrowserDistribution::GetSpecificDistribution(
operand_distribution_type);
}
state_key_ = operand->GetStateKey();
state_type_ = operand->GetType();
// Parse --critical-update-version=W.X.Y.Z
std::string critical_version_value(
command_line.GetSwitchValueASCII(switches::kCriticalUpdateVersion));
critical_update_version_ = Version(critical_version_value);
}
void InstallerState::set_level(Level level) {
level_ = level;
switch (level) {
case USER_LEVEL:
root_key_ = HKEY_CURRENT_USER;
break;
case SYSTEM_LEVEL:
root_key_ = HKEY_LOCAL_MACHINE;
break;
default:
DCHECK(level == UNKNOWN_LEVEL);
level_ = UNKNOWN_LEVEL;
root_key_ = NULL;
break;
}
}
void InstallerState::set_package_type(PackageType type) {
package_type_ = type;
switch (type) {
case SINGLE_PACKAGE:
multi_package_distribution_ = NULL;
break;
case MULTI_PACKAGE:
multi_package_distribution_ =
BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_BINARIES);
break;
default:
DCHECK(type == UNKNOWN_PACKAGE_TYPE);
package_type_ = UNKNOWN_PACKAGE_TYPE;
multi_package_distribution_ = NULL;
break;
}
}
// Returns the Chrome binaries directory for multi-install or |dist|'s directory
// otherwise.
base::FilePath InstallerState::GetDefaultProductInstallPath(
BrowserDistribution* dist) const {
DCHECK(dist);
DCHECK(package_type_ != UNKNOWN_PACKAGE_TYPE);
if (package_type_ == SINGLE_PACKAGE) {
return GetChromeInstallPath(system_install(), dist);
} else {
return GetChromeInstallPath(system_install(),
BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_BINARIES));
}
}
// Evaluates a product's eligibility for participation in this operation.
// We never expect these checks to fail, hence they all terminate the process in
// debug builds. See the log messages for details.
bool InstallerState::CanAddProduct(const Product& product,
const base::FilePath* product_dir) const {
switch (package_type_) {
case SINGLE_PACKAGE:
if (!products_.empty()) {
LOG(DFATAL) << "Cannot process more than one single-install product.";
return false;
}
break;
case MULTI_PACKAGE:
if (!product.HasOption(kOptionMultiInstall)) {
LOG(DFATAL) << "Cannot process a single-install product with a "
"multi-install state.";
return false;
}
if (FindProduct(product.distribution()->GetType()) != NULL) {
LOG(DFATAL) << "Cannot process more than one product of the same type.";
return false;
}
if (!target_path_.empty()) {
base::FilePath default_dir;
if (product_dir == NULL)
default_dir = GetDefaultProductInstallPath(product.distribution());
if (!base::FilePath::CompareEqualIgnoreCase(
(product_dir == NULL ? default_dir : *product_dir).value(),
target_path_.value())) {
LOG(DFATAL) << "Cannot process products in different directories.";
return false;
}
}
break;
default:
DCHECK_EQ(UNKNOWN_PACKAGE_TYPE, package_type_);
break;
}
return true;
}
// Adds |product|, installed in |product_dir| to this object's collection. If
// |product_dir| is NULL, the product's default install location is used.
// Returns NULL if |product| is incompatible with this object. Otherwise,
// returns a pointer to the product (ownership is held by this object).
Product* InstallerState::AddProductInDirectory(
const base::FilePath* product_dir,
scoped_ptr<Product>* product) {
DCHECK(product != NULL);
DCHECK(product->get() != NULL);
const Product& the_product = *product->get();
if (!CanAddProduct(the_product, product_dir))
return NULL;
if (package_type_ == UNKNOWN_PACKAGE_TYPE) {
set_package_type(the_product.HasOption(kOptionMultiInstall) ?
MULTI_PACKAGE : SINGLE_PACKAGE);
}
if (target_path_.empty()) {
if (product_dir == NULL)
target_path_ = GetDefaultProductInstallPath(the_product.distribution());
else
target_path_ = *product_dir;
}
if (state_key_.empty())
state_key_ = the_product.distribution()->GetStateKey();
products_.push_back(product->release());
return products_[products_.size() - 1];
}
Product* InstallerState::AddProduct(scoped_ptr<Product>* product) {
return AddProductInDirectory(NULL, product);
}
// Adds a product of type |distribution_type| constructed on the basis of
// |prefs|, setting this object's msi flag if the product is represented in
// |machine_state| and is msi-installed. Returns the product that was added,
// or NULL if |state| is incompatible with this object. Ownership is not passed
// to the caller.
Product* InstallerState::AddProductFromPreferences(
BrowserDistribution::Type distribution_type,
const MasterPreferences& prefs,
const InstallationState& machine_state) {
scoped_ptr<Product> product_ptr(
new Product(BrowserDistribution::GetSpecificDistribution(
distribution_type)));
product_ptr->InitializeFromPreferences(prefs);
Product* product = AddProductInDirectory(NULL, &product_ptr);
if (product != NULL && !msi_) {
const ProductState* product_state = machine_state.GetProductState(
system_install(), distribution_type);
if (product_state != NULL)
msi_ = product_state->is_msi();
}
return product;
}
Product* InstallerState::AddProductFromState(
BrowserDistribution::Type type,
const ProductState& state) {
scoped_ptr<Product> product_ptr(
new Product(BrowserDistribution::GetSpecificDistribution(type)));
product_ptr->InitializeFromUninstallCommand(state.uninstall_command());
// Strip off <version>/Installer/setup.exe; see GetInstallerDirectory().
base::FilePath product_dir =
state.GetSetupPath().DirName().DirName().DirName();
Product* product = AddProductInDirectory(&product_dir, &product_ptr);
if (product != NULL)
msi_ |= state.is_msi();
return product;
}
bool InstallerState::system_install() const {
DCHECK(level_ == USER_LEVEL || level_ == SYSTEM_LEVEL);
return level_ == SYSTEM_LEVEL;
}
bool InstallerState::is_multi_install() const {
DCHECK(package_type_ == SINGLE_PACKAGE || package_type_ == MULTI_PACKAGE);
return package_type_ != SINGLE_PACKAGE;
}
bool InstallerState::RemoveProduct(const Product* product) {
ScopedVector<Product>::iterator it =
std::find(products_.begin(), products_.end(), product);
if (it != products_.end()) {
products_.weak_erase(it);
return true;
}
return false;
}
const Product* InstallerState::FindProduct(
BrowserDistribution::Type distribution_type) const {
for (Products::const_iterator scan = products_.begin(), end = products_.end();
scan != end; ++scan) {
if ((*scan)->is_type(distribution_type))
return *scan;
}
return NULL;
}
Version* InstallerState::GetCurrentVersion(
const InstallationState& machine_state) const {
DCHECK(!products_.empty());
scoped_ptr<Version> current_version;
// If we're doing a multi-install, the current version may be either an
// existing multi or an existing single product that is being migrated
// in place (i.e., Chrome). In the latter case, there is no existing
// CHROME_BINARIES installation so we need to search for the product.
BrowserDistribution::Type prod_type;
if (package_type_ == MULTI_PACKAGE) {
prod_type = BrowserDistribution::CHROME_BINARIES;
if (machine_state.GetProductState(level_ == SYSTEM_LEVEL,
prod_type) == NULL) {
// Search for a product on which we're operating that is installed in our
// target directory.
Products::const_iterator end = products().end();
for (Products::const_iterator scan = products().begin(); scan != end;
++scan) {
BrowserDistribution::Type product_type =
(*scan)->distribution()->GetType();
const ProductState* state =
machine_state.GetProductState(level_ == SYSTEM_LEVEL, product_type);
if (state != NULL && target_path_.IsParent(state->GetSetupPath())) {
prod_type = product_type;
break;
}
}
}
} else {
prod_type = products_[0]->distribution()->GetType();
}
const ProductState* product_state =
machine_state.GetProductState(level_ == SYSTEM_LEVEL, prod_type);
if (product_state != NULL) {
const Version* version = NULL;
// Be aware that there might be a pending "new_chrome.exe" already in the
// installation path. If so, we use old_version, which holds the version of
// "chrome.exe" itself.
if (base::PathExists(target_path().Append(kChromeNewExe)))
version = product_state->old_version();
if (version == NULL)
version = &product_state->version();
current_version.reset(new Version(*version));
}
return current_version.release();
}
Version InstallerState::DetermineCriticalVersion(
const Version* current_version,
const Version& new_version) const {
DCHECK(current_version == NULL || current_version->IsValid());
DCHECK(new_version.IsValid());
if (critical_update_version_.IsValid() &&
(current_version == NULL ||
(current_version->CompareTo(critical_update_version_) < 0)) &&
new_version.CompareTo(critical_update_version_) >= 0) {
return critical_update_version_;
}
return Version();
}
bool InstallerState::IsChromeFrameRunning(
const InstallationState& machine_state) const {
return AnyExistsAndIsInUse(machine_state, CHROME_FRAME_DLL);
}
bool InstallerState::AreBinariesInUse(
const InstallationState& machine_state) const {
return AnyExistsAndIsInUse(
machine_state,
(CHROME_FRAME_HELPER_EXE | CHROME_FRAME_HELPER_DLL |
CHROME_FRAME_DLL | CHROME_DLL));
}
base::FilePath InstallerState::GetInstallerDirectory(
const Version& version) const {
return target_path().Append(base::ASCIIToWide(version.GetString()))
.Append(kInstallerDir);
}
// static
bool InstallerState::IsFileInUse(const base::FilePath& file) {
// Call CreateFile with a share mode of 0 which should cause this to fail
// with ERROR_SHARING_VIOLATION if the file exists and is in-use.
return !base::win::ScopedHandle(CreateFile(file.value().c_str(),
GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0, 0)).IsValid();
}
void InstallerState::Clear() {
operation_ = UNINITIALIZED;
target_path_.clear();
state_key_.clear();
state_type_ = BrowserDistribution::CHROME_BROWSER;
products_.clear();
multi_package_distribution_ = NULL;
critical_update_version_ = base::Version();
level_ = UNKNOWN_LEVEL;
package_type_ = UNKNOWN_PACKAGE_TYPE;
root_key_ = NULL;
msi_ = false;
verbose_logging_ = false;
ensure_google_update_present_ = false;
}
bool InstallerState::AnyExistsAndIsInUse(
const InstallationState& machine_state,
uint32 file_bits) const {
static const wchar_t* const kBinaryFileNames[] = {
kChromeDll,
kChromeFrameDll,
kChromeFrameHelperDll,
kChromeFrameHelperExe,
};
DCHECK_NE(file_bits, 0U);
DCHECK_LT(file_bits, 1U << NUM_BINARIES);
COMPILE_ASSERT(CHROME_DLL == 1, no_youre_out_of_order);
COMPILE_ASSERT(CHROME_FRAME_DLL == 2, no_youre_out_of_order);
COMPILE_ASSERT(CHROME_FRAME_HELPER_DLL == 4, no_youre_out_of_order);
COMPILE_ASSERT(CHROME_FRAME_HELPER_EXE == 8, no_youre_out_of_order);
// Check only for the current version (i.e., the version we are upgrading
// _from_). Later versions from pending in-use updates need not be checked
// since the current version is guaranteed to be in use if any such are.
bool in_use = false;
scoped_ptr<Version> current_version(GetCurrentVersion(machine_state));
if (!current_version)
return false;
base::FilePath directory(
target_path().AppendASCII(current_version->GetString()));
for (int i = 0; i < NUM_BINARIES; ++i) {
if (!(file_bits & (1U << i)))
continue;
base::FilePath file(directory.Append(kBinaryFileNames[i]));
if (base::PathExists(file) && IsFileInUse(file))
return true;
}
return false;
}
void InstallerState::GetExistingExeVersions(
std::set<std::string>* existing_versions) const {
static const wchar_t* const kChromeFilenames[] = {
installer::kChromeExe,
installer::kChromeNewExe,
installer::kChromeOldExe,
};
for (int i = 0; i < arraysize(kChromeFilenames); ++i) {
base::FilePath chrome_exe(target_path().Append(kChromeFilenames[i]));
scoped_ptr<FileVersionInfo> file_version_info(
FileVersionInfo::CreateFileVersionInfo(chrome_exe));
if (file_version_info) {
base::string16 version_string = file_version_info->file_version();
if (!version_string.empty() && base::IsStringASCII(version_string))
existing_versions->insert(base::UTF16ToASCII(version_string));
}
}
}
void InstallerState::RemoveOldVersionDirectories(
const Version& new_version,
Version* existing_version,
const base::FilePath& temp_path) const {
Version version;
scoped_ptr<WorkItem> item;
std::set<std::string> existing_version_strings;
existing_version_strings.insert(new_version.GetString());
if (existing_version)
existing_version_strings.insert(existing_version->GetString());
// Make sure not to delete any version dir that is "referenced" by an existing
// Chrome executable.
GetExistingExeVersions(&existing_version_strings);
// Try to delete all directories that are not in the set we care to keep.
base::FileEnumerator version_enum(target_path(), false,
base::FileEnumerator::DIRECTORIES);
for (base::FilePath next_version = version_enum.Next(); !next_version.empty();
next_version = version_enum.Next()) {
base::FilePath dir_name(next_version.BaseName());
version = Version(base::UTF16ToASCII(dir_name.value()));
// Delete the version folder if it is less than the new version and not
// equal to the old version (if we have an old version).
if (version.IsValid() &&
existing_version_strings.count(version.GetString()) == 0) {
// Note: temporarily log old version deletion at ERROR level to make it
// more likely we see this in the installer log.
LOG(ERROR) << "Deleting old version directory: " << next_version.value();
// Attempt to recursively delete the old version dir.
bool delete_succeeded = base::DeleteFile(next_version, true);
// Note: temporarily log old version deletion at ERROR level to make it
// more likely we see this in the installer log.
LOG_IF(ERROR, !delete_succeeded)
<< "Failed to delete old version directory: " << next_version.value();
}
}
}
void InstallerState::AddComDllList(
std::vector<base::FilePath>* com_dll_list) const {
std::for_each(products_.begin(), products_.end(),
std::bind2nd(std::mem_fun(&Product::AddComDllList),
com_dll_list));
}
bool InstallerState::SetChannelFlags(bool set,
ChannelInfo* channel_info) const {
bool modified = false;
for (Products::const_iterator scan = products_.begin(), end = products_.end();
scan != end; ++scan) {
modified |= (*scan)->SetChannelFlags(set, channel_info);
}
return modified;
}
void InstallerState::UpdateStage(installer::InstallerStage stage) const {
InstallUtil::UpdateInstallerStage(system_install(), state_key_, stage);
}
void InstallerState::UpdateChannels() const {
if (operation_ != MULTI_INSTALL && operation_ != MULTI_UPDATE) {
VLOG(1) << "InstallerState::UpdateChannels noop: " << operation_;
return;
}
// Update the "ap" value for the product being installed/updated. We get the
// current value from the registry since the InstallationState instance used
// by the bulk of the installer does not track changes made by UpdateStage.
// Create the app's ClientState key if it doesn't exist.
ChannelInfo channel_info;
base::win::RegKey state_key;
LONG result =
state_key.Create(root_key_,
state_key_.c_str(),
KEY_QUERY_VALUE | KEY_SET_VALUE | KEY_WOW64_32KEY);
if (result == ERROR_SUCCESS) {
channel_info.Initialize(state_key);
// This is a multi-install product.
bool modified = channel_info.SetMultiInstall(true);
// Add the appropriate modifiers for all products and their options.
modified |= SetChannelFlags(true, &channel_info);
VLOG(1) << "ap: " << channel_info.value();
// Write the results if needed.
if (modified)
channel_info.Write(&state_key);
// Remove the -stage: modifier since we don't want to propagate that to the
// other app_guids.
channel_info.SetStage(NULL);
// Synchronize the other products and the package with this one.
ChannelInfo other_info;
for (int i = 0; i < BrowserDistribution::NUM_TYPES; ++i) {
BrowserDistribution::Type type =
static_cast<BrowserDistribution::Type>(i);
// Skip the app_guid we started with.
if (type == state_type_)
continue;
BrowserDistribution* dist = NULL;
// Always operate on the binaries.
if (i == BrowserDistribution::CHROME_BINARIES) {
dist = multi_package_distribution_;
} else {
const Product* product = FindProduct(type);
// Skip this one if it's for a product we're not operating on.
if (product == NULL)
continue;
dist = product->distribution();
}
result =
state_key.Create(root_key_,
dist->GetStateKey().c_str(),
KEY_QUERY_VALUE | KEY_SET_VALUE | KEY_WOW64_32KEY);
if (result == ERROR_SUCCESS) {
other_info.Initialize(state_key);
if (!other_info.Equals(channel_info))
channel_info.Write(&state_key);
} else {
LOG(ERROR) << "Failed opening key " << dist->GetStateKey()
<< " to update app channels; result: " << result;
}
}
} else {
LOG(ERROR) << "Failed opening key " << state_key_
<< " to update app channels; result: " << result;
}
}
void InstallerState::WriteInstallerResult(
InstallStatus status,
int string_resource_id,
const std::wstring* const launch_cmd) const {
// Use a no-rollback list since this is a best-effort deal.
scoped_ptr<WorkItemList> install_list(
WorkItem::CreateNoRollbackWorkItemList());
const bool system_install = this->system_install();
// Write the value for all products upon which we're operating.
Products::const_iterator end = products().end();
for (Products::const_iterator scan = products().begin(); scan != end;
++scan) {
InstallUtil::AddInstallerResultItems(
system_install, (*scan)->distribution()->GetStateKey(), status,
string_resource_id, launch_cmd, install_list.get());
}
// And for the binaries if this is a multi-install.
if (is_multi_install()) {
InstallUtil::AddInstallerResultItems(
system_install, multi_package_binaries_distribution()->GetStateKey(),
status, string_resource_id, launch_cmd, install_list.get());
}
if (!install_list->Do())
LOG(ERROR) << "Failed to record installer error information in registry.";
}
bool InstallerState::RequiresActiveSetup() const {
return system_install() && FindProduct(BrowserDistribution::CHROME_BROWSER);
}
} // namespace installer