| // Copyright 2007-2010 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // ======================================================================== |
| |
| #include "omaha/goopdate/config_manager.h" |
| #include <lm.h> |
| #include <shlobj.h> |
| #include <shlwapi.h> |
| #include <wininet.h> |
| #include <atlstr.h> |
| #include <math.h> |
| #include "omaha/common/app_util.h" |
| #include "omaha/common/constants.h" |
| #include "omaha/common/const_addresses.h" |
| #include "omaha/common/debug.h" |
| #include "omaha/common/error.h" |
| #include "omaha/common/file.h" |
| #include "omaha/common/scope_guard.h" |
| #include "omaha/common/service_utils.h" |
| #include "omaha/common/string.h" |
| #include "omaha/common/time.h" |
| #include "omaha/common/utils.h" |
| #include "omaha/enterprise/const_group_policy.h" |
| #include "omaha/goopdate/const_goopdate.h" |
| #include "omaha/goopdate/goopdate_utils.h" |
| #include "omaha/goopdate/resource.h" |
| |
| namespace omaha { |
| |
| namespace { |
| |
| HRESULT GetDir(int csidl, |
| const CString& path_tail, |
| bool create_dir, |
| CString* dir) { |
| ASSERT1(dir); |
| |
| CString path; |
| HRESULT hr = GetFolderPath(csidl | CSIDL_FLAG_DONT_VERIFY, &path); |
| if (FAILED(hr)) { |
| return hr; |
| } |
| if (!::PathAppend(CStrBuf(path, MAX_PATH), path_tail)) { |
| return GOOPDATE_E_PATH_APPEND_FAILED; |
| } |
| dir->SetString(path); |
| |
| // Try to create the directory. Continue if the directory can't be created. |
| if (create_dir) { |
| hr = CreateDir(path, NULL); |
| if (FAILED(hr)) { |
| CORE_LOG(LE, (_T("[GetDir failed to create dir][%s][0x%08x]"), path, hr)); |
| } |
| } |
| return S_OK; |
| } |
| |
| // The app-specific value overrides the disable all value so read the former |
| // first. If it doesn't exist, read the "disable all" value. |
| bool GetEffectivePolicyForApp(const TCHAR* apps_default_value_name, |
| const TCHAR* app_prefix_name, |
| const GUID& app_guid, |
| DWORD* effective_policy) { |
| ASSERT1(apps_default_value_name); |
| ASSERT1(app_prefix_name); |
| ASSERT1(effective_policy); |
| |
| CString app_value_name(app_prefix_name); |
| app_value_name.Append(GuidToString(app_guid)); |
| |
| HRESULT hr = RegKey::GetValue(kRegKeyGoopdateGroupPolicy, |
| app_value_name, |
| effective_policy); |
| if (SUCCEEDED(hr)) { |
| return true; |
| } else { |
| CORE_LOG(L4, (_T("[Failed to read Group Policy value][%s]"), |
| app_value_name)); |
| } |
| |
| hr = RegKey::GetValue(kRegKeyGoopdateGroupPolicy, |
| apps_default_value_name, |
| effective_policy); |
| if (SUCCEEDED(hr)) { |
| return true; |
| } else { |
| CORE_LOG(L4, (_T("[Failed to read Group Policy value][%s]"), |
| apps_default_value_name)); |
| } |
| |
| return false; |
| } |
| |
| // Gets the raw update check period override value in seconds from the registry. |
| // The value must be processed for limits and overflow before using. |
| // Checks UpdateDev and Group Policy. |
| // Returns true if either override was successefully read. |
| bool GetLastCheckPeriodSecFromRegistry(DWORD* period_sec) { |
| ASSERT1(period_sec); |
| |
| DWORD update_dev_sec = 0; |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueLastCheckPeriodSec, |
| &update_dev_sec))) { |
| CORE_LOG(L5, (_T("['LastCheckPeriodSec' override %d]"), update_dev_sec)); |
| *period_sec = update_dev_sec; |
| return true; |
| } |
| |
| DWORD group_policy_minutes = 0; |
| if (SUCCEEDED(RegKey::GetValue(kRegKeyGoopdateGroupPolicy, |
| kRegValueAutoUpdateCheckPeriodOverrideMinutes, |
| &group_policy_minutes))) { |
| CORE_LOG(L5, (_T("[Group Policy check period override %d]"), |
| group_policy_minutes)); |
| |
| |
| *period_sec = (group_policy_minutes > UINT_MAX / 60) ? |
| UINT_MAX : |
| group_policy_minutes * 60; |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| } // namespace |
| |
| LLock ConfigManager::lock_; |
| ConfigManager* ConfigManager::config_manager_ = NULL; |
| |
| ConfigManager* ConfigManager::Instance() { |
| __mutexScope(lock_); |
| if (!config_manager_) { |
| config_manager_ = new ConfigManager(); |
| } |
| return config_manager_; |
| } |
| |
| void ConfigManager::DeleteInstance() { |
| delete config_manager_; |
| } |
| |
| CString ConfigManager::GetUserDownloadStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_DOWNLOAD_STORAGE_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetUserOfflineStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_OFFLINE_STORAGE_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetUserInitialManifestStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_INITIAL_MANIFEST_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetUserGoopdateInstallDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_GOOPDATE_INSTALL_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| bool ConfigManager::IsRunningFromUserGoopdateInstallDir() const { |
| CString path; |
| HRESULT hr = GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_GOOPDATE_INSTALL_DIR), |
| false, |
| &path); |
| if (FAILED(hr)) { |
| return false; |
| } |
| |
| return (String_StrNCmp(path, |
| app_util::GetCurrentModuleDirectory(), |
| path.GetLength(), |
| true) == 0); |
| } |
| |
| CString ConfigManager::GetUserCrashReportsDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_CRASH_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetMachineCrashReportsDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_PROGRAM_FILES, |
| CString(OMAHA_REL_CRASH_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetMachineDownloadStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_COMMON_APPDATA, |
| CString(OMAHA_REL_DOWNLOAD_STORAGE_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetMachineSecureDownloadStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_PROGRAM_FILES, |
| CString(OMAHA_REL_DOWNLOAD_STORAGE_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetMachineSecureOfflineStorageDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_PROGRAM_FILES, |
| CString(OMAHA_REL_OFFLINE_STORAGE_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetTempDownloadDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_LOCAL_APPDATA, |
| CString(OMAHA_REL_TEMP_DOWNLOAD_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| CString ConfigManager::GetMachineGoopdateInstallDir() const { |
| CString path; |
| VERIFY1(SUCCEEDED(GetDir(CSIDL_PROGRAM_FILES, |
| CString(OMAHA_REL_GOOPDATE_INSTALL_DIR), |
| true, |
| &path))); |
| return path; |
| } |
| |
| bool ConfigManager::IsRunningFromMachineGoopdateInstallDir() const { |
| CString path; |
| HRESULT hr = GetDir(CSIDL_PROGRAM_FILES, |
| CString(OMAHA_REL_GOOPDATE_INSTALL_DIR), |
| false, |
| &path); |
| if (FAILED(hr)) { |
| return false; |
| } |
| |
| return (String_StrNCmp(path, |
| app_util::GetCurrentModuleDirectory(), |
| path.GetLength(), |
| true) == 0); |
| } |
| |
| // TODO(omaha): create a generic way to override configuration parameters. |
| // |
| // Overrides PingUrl in debug builds. |
| HRESULT ConfigManager::GetPingUrl(CString* url) const { |
| ASSERT1(url); |
| |
| #ifdef DEBUG |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNamePingUrl, |
| url))) { |
| CORE_LOG(L5, (_T("['ping url' override %s]"), *url)); |
| return S_OK; |
| } |
| #endif |
| |
| *url = kUrlPing; |
| return S_OK; |
| } |
| |
| // Overrides Url (update check url) in debug builds. |
| HRESULT ConfigManager::GetUpdateCheckUrl(CString* url) const { |
| ASSERT1(url); |
| |
| #ifdef DEBUG |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNameUrl, |
| url))) { |
| CORE_LOG(L5, (_T("['url' override %s]"), *url)); |
| return S_OK; |
| } |
| #endif |
| |
| *url = kUrlUpdateCheck; |
| return S_OK; |
| } |
| |
| HRESULT ConfigManager::GetWebPluginCheckUrl(CString* url) const { |
| ASSERT1(url); |
| |
| #ifdef DEBUG |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNameWebPluginUrl, |
| url))) { |
| CORE_LOG(L5, (_T("['webplugin url' override %s]"), *url)); |
| return S_OK; |
| } |
| #endif |
| *url = kUrlWebPluginCheck; |
| return S_OK; |
| } |
| |
| // Returns the override from the registry locations if present. Otherwise, |
| // returns the default value. |
| // Default value is different value for Googlers, to make update checks more |
| // aggresive. |
| // Ensures returned value is between kMinLastCheckPeriodSec and INT_MAX except |
| // when the override is 0, which indicates updates are disabled. |
| int ConfigManager::GetLastCheckPeriodSec(bool* is_overridden) const { |
| ASSERT1(is_overridden); |
| DWORD registry_period_sec = 0; |
| *is_overridden = GetLastCheckPeriodSecFromRegistry(®istry_period_sec); |
| if (*is_overridden) { |
| if (0 == registry_period_sec) { |
| return 0; |
| } |
| const int period_sec = registry_period_sec > INT_MAX ? |
| INT_MAX : |
| static_cast<int>(registry_period_sec); |
| |
| if (period_sec < kMinLastCheckPeriodSec) { |
| return kMinLastCheckPeriodSec; |
| } |
| return period_sec; |
| } |
| |
| // Returns a lower value for Googlers. |
| if (IsGoogler()) { |
| return kLastCheckPeriodGooglerSec; |
| } |
| |
| return kLastCheckPeriodSec; |
| } |
| |
| // All time values are in seconds. |
| int ConfigManager::GetTimeSinceLastCheckedSec(bool is_machine) const { |
| const uint32 now = Time64ToInt32(GetCurrent100NSTime()); |
| const uint32 last_checked = GetLastCheckedTime(is_machine); |
| if (now < last_checked) { |
| CORE_LOG(LW, (_T("[possible time warp detected]") |
| _T("[now %u][last checked %u]"), now, last_checked)); |
| } |
| const int time_difference = abs(static_cast<int>(now - last_checked)); |
| bool is_period_overridden = false; |
| CORE_LOG(L3, (_T("[now %u][last checked %u][update interval %u]") |
| _T("[time difference %u]"), |
| now, last_checked, GetLastCheckPeriodSec(&is_period_overridden), |
| time_difference)); |
| return time_difference; |
| } |
| |
| DWORD ConfigManager::GetLastCheckedTime(bool is_machine) const { |
| const TCHAR* reg_update_key = is_machine ? MACHINE_REG_UPDATE: |
| USER_REG_UPDATE; |
| DWORD last_checked_time = 0; |
| if (SUCCEEDED(RegKey::GetValue(reg_update_key, |
| kRegValueLastChecked, |
| &last_checked_time))) { |
| return last_checked_time; |
| } |
| return 0; |
| } |
| |
| HRESULT ConfigManager::SetLastCheckedTime(bool is_machine, DWORD time) const { |
| const TCHAR* reg_update_key = is_machine ? MACHINE_REG_UPDATE: |
| USER_REG_UPDATE; |
| return RegKey::SetValue(reg_update_key, kRegValueLastChecked, time); |
| } |
| |
| DWORD ConfigManager::GetInstallTime(bool is_machine) { |
| const CString client_state_key_name = |
| ConfigManager::Instance()->registry_client_state_goopdate(is_machine); |
| DWORD update_time(0); |
| if (SUCCEEDED(RegKey::GetValue(client_state_key_name, |
| kRegValueLastUpdateTimeSec, |
| &update_time))) { |
| return update_time; |
| } |
| |
| DWORD install_time(0); |
| if (SUCCEEDED(RegKey::GetValue(client_state_key_name, |
| kRegValueInstallTimeSec, |
| &install_time))) { |
| return install_time; |
| } |
| |
| return 0; |
| } |
| |
| bool ConfigManager::Is24HoursSinceInstall(bool is_machine) { |
| const int kDaySec = 24 * 60 * 60; |
| const uint32 now = Time64ToInt32(GetCurrent100NSTime()); |
| |
| const uint32 install_time = GetInstallTime(is_machine); |
| if (now < install_time) { |
| CORE_LOG(LW, (_T("[Incorrect clock time detected]") |
| _T("[now %u][install_time %u]"), now, install_time)); |
| } |
| const int time_difference = abs(static_cast<int>(now - install_time)); |
| return time_difference >= kDaySec; |
| } |
| |
| bool ConfigManager::CanCollectStats(bool is_machine) const { |
| if (RegKey::HasValue(MACHINE_REG_UPDATE_DEV, kRegValueForceUsageStats)) { |
| return true; |
| } |
| |
| // TODO(omaha): This should actually be iterating over registered products |
| // rather than present ClientState keys. These are identical in most cases. |
| const TCHAR* state_key_name = registry_client_state(is_machine); |
| |
| RegKey state_key; |
| HRESULT hr = state_key.Open(state_key_name, KEY_READ); |
| if (FAILED(hr)) { |
| return false; |
| } |
| |
| int num_sub_keys = state_key.GetSubkeyCount(); |
| for (int i = 0; i < num_sub_keys; ++i) { |
| CString sub_key_name; |
| if (FAILED(state_key.GetSubkeyNameAt(i, &sub_key_name))) { |
| continue; |
| } |
| |
| if (goopdate_utils::AreAppUsageStatsEnabled(is_machine, sub_key_name)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // Overrides OverInstall in debug builds. |
| bool ConfigManager::CanOverInstall() const { |
| #ifdef DEBUG |
| DWORD value = 0; |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNameOverInstall, |
| &value))) { |
| CORE_LOG(L5, (_T("['OverInstall' override %d]"), value)); |
| return value != 0; |
| } |
| #endif |
| return !OFFICIAL_BUILD; |
| } |
| |
| // Overrides AuCheckPeriodMs. Implements a lower bound value. Returns INT_MAX |
| // if the registry value exceeds INT_MAX. |
| int ConfigManager::GetAutoUpdateTimerIntervalMs() const { |
| DWORD interval(0); |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueAuCheckPeriodMs, |
| &interval))) { |
| int ret_val = 0; |
| if (interval > INT_MAX) { |
| ret_val = INT_MAX; |
| } else if (interval < kMinAUCheckPeriodMs) { |
| ret_val = kMinAUCheckPeriodMs; |
| } else { |
| ret_val = interval; |
| } |
| ASSERT1(ret_val >= kMinAUCheckPeriodMs); |
| CORE_LOG(L5, (_T("['AuCheckPeriodMs' override %d]"), interval)); |
| return ret_val; |
| } |
| |
| // Returns a lower value for Googlers. |
| if (IsGoogler()) { |
| return kAUCheckPeriodGooglerMs; |
| } |
| |
| return kAUCheckPeriodMs; |
| } |
| |
| int ConfigManager::GetUpdateWorkerStartUpDelayMs() const { |
| int au_timer_interval_ms = GetAutoUpdateTimerIntervalMs(); |
| |
| // If the AuCheckPeriod is overriden then use that as the delay. |
| if (RegKey::HasValue(MACHINE_REG_UPDATE_DEV, kRegValueAuCheckPeriodMs)) { |
| return au_timer_interval_ms; |
| } |
| |
| int random_delay = 0; |
| if (!GenRandom(&random_delay, sizeof(random_delay))) { |
| return au_timer_interval_ms; |
| } |
| |
| // Scale the au_check_period number to be between |
| // kUpdateTimerStartupDelayMinMs and kUpdateTimerStartupDelayMaxMs. |
| int scale = kUpdateTimerStartupDelayMaxMs - kUpdateTimerStartupDelayMinMs; |
| ASSERT1(scale >= 0); |
| |
| int random_addition = abs(random_delay) % scale; |
| ASSERT1(random_addition < scale); |
| |
| au_timer_interval_ms = kUpdateTimerStartupDelayMinMs + random_addition; |
| ASSERT1(au_timer_interval_ms >= kUpdateTimerStartupDelayMinMs && |
| au_timer_interval_ms <= kUpdateTimerStartupDelayMaxMs); |
| |
| return au_timer_interval_ms; |
| } |
| |
| // Overrides CodeRedCheckPeriodMs. Implements a lower bound value. Returns |
| // INT_MAX if the registry value exceeds INT_MAX. |
| int ConfigManager::GetCodeRedTimerIntervalMs() const { |
| DWORD interval(0); |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueCrCheckPeriodMs, |
| &interval))) { |
| int ret_val = 0; |
| if (interval > INT_MAX) { |
| ret_val = INT_MAX; |
| } else if (interval < kMinCodeRedCheckPeriodMs) { |
| ret_val = kMinCodeRedCheckPeriodMs; |
| } else { |
| ret_val = interval; |
| } |
| ASSERT1(ret_val >= kMinCodeRedCheckPeriodMs); |
| CORE_LOG(L5, (_T("['CrCheckPeriodMs' override %d]"), interval)); |
| return ret_val; |
| } |
| return kCodeRedCheckPeriodMs; |
| } |
| |
| // Returns true if logging is enabled for the event type. |
| // Logging of errors and warnings is enabled by default. |
| bool ConfigManager::CanLogEvents(WORD event_type) const { |
| const TCHAR* reg_update_key = MACHINE_REG_UPDATE_DEV; |
| DWORD log_events_level = LOG_EVENT_LEVEL_NONE; |
| if (SUCCEEDED(RegKey::GetValue(reg_update_key, |
| kRegValueEventLogLevel, |
| &log_events_level))) { |
| switch (log_events_level) { |
| case LOG_EVENT_LEVEL_ALL: |
| return true; |
| case LOG_EVENT_LEVEL_WARN_AND_ERROR: |
| return event_type == EVENTLOG_ERROR_TYPE || |
| event_type == EVENTLOG_WARNING_TYPE; |
| case LOG_EVENT_LEVEL_NONE: |
| default: |
| return false; |
| } |
| } |
| |
| return event_type == EVENTLOG_ERROR_TYPE || |
| event_type == EVENTLOG_WARNING_TYPE; |
| } |
| |
| CString ConfigManager::GetTestSource() const { |
| CString test_source; |
| HRESULT hr = RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueTestSource, |
| &test_source); |
| if (SUCCEEDED(hr)) { |
| if (test_source.IsEmpty()) { |
| test_source = kRegValueTestSourceAuto; |
| } |
| return test_source; |
| } |
| |
| DWORD interval = 0; |
| hr = RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueAuCheckPeriodMs, |
| &interval); |
| if (SUCCEEDED(hr)) { |
| return kRegValueTestSourceAuto; |
| } |
| |
| #if defined(DEBUG) || !OFFICIAL_BUILD |
| test_source = kRegValueTestSourceAuto; |
| #endif |
| |
| return test_source; |
| } |
| |
| // Reads the current value under HKLM/HKCU\Google\Update\value_name. Returns |
| // default_val if value_name does not exist. |
| CString GetCurrentVersionedName(bool is_machine, |
| const TCHAR* value_name, |
| const TCHAR* default_val) { |
| CORE_LOG(L3, (_T("[ConfigManager::GetCurrentVersionedName]"))); |
| ASSERT1(value_name && *value_name); |
| ASSERT1(default_val && *default_val); |
| |
| const TCHAR* key_name = is_machine ? MACHINE_REG_UPDATE : USER_REG_UPDATE; |
| CString name; |
| HRESULT hr(RegKey::GetValue(key_name, value_name, &name)); |
| if (FAILED(hr)) { |
| CORE_LOG(L4, (_T("[GetValue failed][%s][0x%x][Using default name][%s]"), |
| value_name, hr, default_val)); |
| name = default_val; |
| } |
| |
| CORE_LOG(L3, (_T("[Versioned Name][%s]"), name)); |
| return name; |
| } |
| |
| // Creates a unique name of the form "{prefix}1c9b3d6baf90df3" and stores it in |
| // the registry under HKLM/HKCU\Google\Update\value_name. Subsequent |
| // invocations of GetCurrentTaskName() will return this new value. |
| HRESULT CreateAndSetVersionedNameInRegistry(bool is_machine, |
| const TCHAR* prefix, |
| const TCHAR* value_name) { |
| ASSERT1(prefix && *prefix); |
| ASSERT1(value_name && *value_name); |
| |
| CString name(ServiceInstall::GenerateServiceName(prefix)); |
| CORE_LOG(L3, (_T("Versioned name[%s][%s][%s]"), prefix, value_name, name)); |
| |
| const TCHAR* key_name = is_machine ? MACHINE_REG_UPDATE : USER_REG_UPDATE; |
| return RegKey::SetValue(key_name, value_name, name); |
| } |
| |
| CString ConfigManager::GetCurrentTaskNameCore(bool is_machine) { |
| CORE_LOG(L3, (_T("[GetCurrentTaskNameCore[%d]"), is_machine)); |
| |
| CString default_name(goopdate_utils::GetDefaultGoopdateTaskName( |
| is_machine, |
| COMMANDLINE_MODE_CORE)); |
| return GetCurrentVersionedName(is_machine, kRegValueTaskNameC, default_name); |
| } |
| |
| HRESULT ConfigManager::CreateAndSetVersionedTaskNameCoreInRegistry( |
| bool is_machine) { |
| CORE_LOG(L3, (_T("CreateAndSetVersionedTaskNameCoreInRegistry[%d]"), |
| is_machine)); |
| |
| CString default_name(goopdate_utils::GetDefaultGoopdateTaskName( |
| is_machine, |
| COMMANDLINE_MODE_CORE)); |
| return CreateAndSetVersionedNameInRegistry(is_machine, |
| default_name, |
| kRegValueTaskNameC); |
| } |
| |
| CString ConfigManager::GetCurrentTaskNameUA(bool is_machine) { |
| CORE_LOG(L3, (_T("[GetCurrentTaskNameUA[%d]"), is_machine)); |
| |
| CString default_name(goopdate_utils::GetDefaultGoopdateTaskName( |
| is_machine, |
| COMMANDLINE_MODE_UA)); |
| return GetCurrentVersionedName(is_machine, kRegValueTaskNameUA, default_name); |
| } |
| |
| HRESULT ConfigManager::CreateAndSetVersionedTaskNameUAInRegistry(bool machine) { |
| CORE_LOG(L3, (_T("CreateAndSetVersionedTaskNameUAInRegistry[%d]"), machine)); |
| |
| CString default_name(goopdate_utils::GetDefaultGoopdateTaskName( |
| machine, |
| COMMANDLINE_MODE_UA)); |
| return CreateAndSetVersionedNameInRegistry(machine, |
| default_name, |
| kRegValueTaskNameUA); |
| } |
| |
| CString ConfigManager::GetCurrentServiceName() { |
| CORE_LOG(L3, (_T("[ConfigManager::GetCurrentServiceName]"))); |
| return GetCurrentVersionedName(true, |
| kRegValueServiceName, |
| kLegacyServiceName); |
| } |
| |
| CString ConfigManager::GetCurrentServiceDisplayName() { |
| CORE_LOG(L3, (_T("[ConfigManager::GetCurrentServiceDisplayName]"))); |
| CString display_name; |
| VERIFY1(display_name.LoadString(IDS_SERVICE_DISPLAY_NAME)); |
| display_name.AppendFormat(_T(" (%s)"), GetCurrentServiceName()); |
| return display_name; |
| } |
| |
| HRESULT ConfigManager::CreateAndSetVersionedServiceNameInRegistry() { |
| CORE_LOG(L3, (_T("CreateAndSetVersionedServiceNameInRegistry"))); |
| return CreateAndSetVersionedNameInRegistry(true, |
| kServicePrefix, |
| kRegValueServiceName); |
| } |
| |
| HRESULT ConfigManager::GetNetConfig(CString* net_config) { |
| ASSERT1(net_config); |
| CString val; |
| HRESULT hr = RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNetConfig, |
| &val); |
| if (SUCCEEDED(hr)) { |
| *net_config = val; |
| } |
| return hr; |
| } |
| |
| // Returns false if running in the context of an OEM install or waiting for a |
| // EULA to be accepted. |
| bool ConfigManager::CanUseNetwork(bool is_machine) const { |
| DWORD eula_accepted(0); |
| HRESULT hr = RegKey::GetValue(registry_update(is_machine), |
| kRegValueOmahaEulaAccepted, |
| &eula_accepted); |
| if (SUCCEEDED(hr) && 0 == eula_accepted) { |
| CORE_LOG(L3, (_T("[CanUseNetwork][eulaaccepted=0][false]"))); |
| return false; |
| } |
| |
| if (IsOemInstalling(is_machine)) { |
| CORE_LOG(L3, (_T("[CanUseNetwork][OEM installing][false]"))); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Always returns false if !is_machine. This prevents ever blocking per-user |
| // instances. |
| // Returns true if OEM install time is present and it has been less than |
| // kMinOemModeSec since the OEM install. |
| // Non-OEM installs can never be blocked from updating because OEM install time |
| // will not be present. |
| bool ConfigManager::IsOemInstalling(bool is_machine) const { |
| if (!is_machine) { |
| return false; |
| } |
| |
| DWORD oem_install_time_seconds = 0; |
| if (FAILED(RegKey::GetValue(MACHINE_REG_UPDATE, |
| kRegValueOemInstallTimeSec, |
| &oem_install_time_seconds))) { |
| CORE_LOG(L3, (_T("[IsOemInstalling][OemInstallTime not found][false]"))); |
| return false; |
| } |
| |
| const uint32 now_seconds = Time64ToInt32(GetCurrent100NSTime()); |
| if (now_seconds < oem_install_time_seconds) { |
| CORE_LOG(LW, (_T("[possible time warp detected][now %u][last checked %u]"), |
| now_seconds, oem_install_time_seconds)); |
| } |
| const int time_difference_seconds = |
| abs(static_cast<int>(now_seconds - oem_install_time_seconds)); |
| |
| ASSERT1(0 <= time_difference_seconds); |
| const bool result = time_difference_seconds < kMinOemModeSec ? true : false; |
| |
| CORE_LOG(L3, (_T("[now %u][OEM install time %u][time difference %u][%d]"), |
| now_seconds, oem_install_time_seconds, time_difference_seconds, |
| result)); |
| return result; |
| } |
| |
| // USE IsOemInstalling() INSTEAD in most cases. |
| bool ConfigManager::IsWindowsInstalling() const { |
| #if !OFFICIAL_BUILD |
| DWORD value = 0; |
| if (SUCCEEDED(RegKey::GetValue(MACHINE_REG_UPDATE_DEV, |
| kRegValueNameWindowsInstalling, |
| &value))) { |
| CORE_LOG(L3, (_T("['WindowsInstalling' override %d]"), value)); |
| return value != 0; |
| } |
| #endif |
| |
| // Call IsWindowsReallyInAuditMode() because IsWindowsInstalling() is not |
| // reliable on its own. |
| return IsWindowsReallyInAuditMode(); |
| } |
| |
| // Checks if the computer name ends with .google.com or the netbios domain is |
| // google. |
| bool ConfigManager::IsGoogler() const { |
| CORE_LOG(L4, (_T("[ConfigManager::IsGoogler]"))); |
| TCHAR dns_name[INTERNET_MAX_HOST_NAME_LENGTH] = {0}; |
| DWORD dns_name_size(arraysize(dns_name)); |
| if (::GetComputerNameEx(ComputerNameDnsFullyQualified, |
| dns_name, &dns_name_size)) { |
| CORE_LOG(L4, (_T("[dns name %s]"), dns_name)); |
| if (String_EndsWith(dns_name, _T(".google.com"), true)) { |
| return true; |
| } |
| } |
| |
| WKSTA_INFO_100* info = NULL; |
| int kInformationLevel = 100; |
| NET_API_STATUS status = ::NetWkstaGetInfo(NULL, |
| kInformationLevel, |
| reinterpret_cast<BYTE**>(&info)); |
| ON_SCOPE_EXIT(::NetApiBufferFree, info); |
| if (status == NERR_Success) { |
| CORE_LOG(L4, (_T("[netbios name %s]"), info->wki100_langroup)); |
| if (info->wki100_langroup && |
| _tcsicmp(info->wki100_langroup, _T("google")) == 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| bool ConfigManager::CanInstallApp(const GUID& app_guid) const { |
| // Google Update should never be checking whether it can install itself. |
| ASSERT1(!::IsEqualGUID(kGoopdateGuid, app_guid)); |
| |
| DWORD effective_policy = 0; |
| if (!GetEffectivePolicyForApp(kRegValueInstallAppsDefault, |
| kRegValueInstallAppPrefix, |
| app_guid, |
| &effective_policy)) { |
| return kInstallPolicyDefault; |
| } |
| |
| return kPolicyDisabled != effective_policy; |
| } |
| |
| // Self-updates cannot be disabled. |
| bool ConfigManager::CanUpdateApp(const GUID& app_guid, |
| bool is_manual) const { |
| if (::IsEqualGUID(kGoopdateGuid, app_guid)) { |
| return true; |
| } |
| |
| DWORD effective_policy = 0; |
| if (!GetEffectivePolicyForApp(kRegValueUpdateAppsDefault, |
| kRegValueUpdateAppPrefix, |
| app_guid, |
| &effective_policy)) { |
| return kUpdatePolicyDefault; |
| } |
| |
| if (kPolicyDisabled == effective_policy) { |
| return false; |
| } |
| if ((kPolicyManualUpdatesOnly == effective_policy) && !is_manual) { |
| return false; |
| } |
| |
| return kUpdatePolicyDefault; |
| } |
| |
| } // namespace omaha |
