| // Copyright 2013 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 "components/wifi/wifi_service.h" |
| |
| #include <iphlpapi.h> |
| #include <objbase.h> |
| #include <wlanapi.h> |
| |
| #include <set> |
| |
| #include "base/base_paths_win.h" |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/path_service.h" |
| #include "base/strings/string16.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/win/registry.h" |
| #include "components/onc/onc_constants.h" |
| #include "components/wifi/network_properties.h" |
| #include "third_party/libxml/chromium/libxml_utils.h" |
| |
| namespace { |
| const wchar_t kNwCategoryWizardRegKey[] = |
| L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Network\\" |
| L"NwCategoryWizard"; |
| const wchar_t kNwCategoryWizardRegValue[] = L"Show"; |
| const wchar_t kNwCategoryWizardSavedRegValue[] = L"ShowSaved"; |
| const wchar_t kNwCategoryWizardDeleteRegValue[] = L"ShowDelete"; |
| const wchar_t kWlanApiDll[] = L"wlanapi.dll"; |
| |
| // Created Profile Dictionary keys |
| const char kProfileXmlKey[] = "xml"; |
| const char kProfileSharedKey[] = "shared"; |
| |
| // WlanApi function names |
| const char kWlanConnect[] = "WlanConnect"; |
| const char kWlanCloseHandle[] = "WlanCloseHandle"; |
| const char kWlanDeleteProfile[] = "WlanDeleteProfile"; |
| const char kWlanDisconnect[] = "WlanDisconnect"; |
| const char kWlanEnumInterfaces[] = "WlanEnumInterfaces"; |
| const char kWlanFreeMemory[] = "WlanFreeMemory"; |
| const char kWlanGetAvailableNetworkList[] = "WlanGetAvailableNetworkList"; |
| const char kWlanGetNetworkBssList[] = "WlanGetNetworkBssList"; |
| const char kWlanGetProfile[] = "WlanGetProfile"; |
| const char kWlanOpenHandle[] = "WlanOpenHandle"; |
| const char kWlanQueryInterface[] = "WlanQueryInterface"; |
| const char kWlanRegisterNotification[] = "WlanRegisterNotification"; |
| const char kWlanSaveTemporaryProfile[] = "WlanSaveTemporaryProfile"; |
| const char kWlanScan[] = "WlanScan"; |
| const char kWlanSetProfile[] = "WlanSetProfile"; |
| |
| // WlanApi function definitions |
| typedef DWORD(WINAPI* WlanConnectFunction)( |
| HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| CONST PWLAN_CONNECTION_PARAMETERS pConnectionParameters, |
| PVOID pReserved); |
| |
| typedef DWORD (WINAPI* WlanCloseHandleFunction)( |
| HANDLE hClientHandle, |
| PVOID pReserved); |
| |
| typedef DWORD(WINAPI* WlanDeleteProfileFunction)(HANDLE hClientHandle, |
| const GUID* pInterfaceGuid, |
| LPCWSTR strProfileName, |
| PVOID pReserved); |
| |
| typedef DWORD(WINAPI* WlanDisconnectFunction)(HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| PVOID pReserved); |
| |
| typedef DWORD(WINAPI* WlanEnumInterfacesFunction)( |
| HANDLE hClientHandle, |
| PVOID pReserved, |
| PWLAN_INTERFACE_INFO_LIST* ppInterfaceList); |
| |
| typedef VOID (WINAPI* WlanFreeMemoryFunction)( |
| _In_ PVOID pMemory); |
| |
| typedef DWORD(WINAPI* WlanGetAvailableNetworkListFunction)( |
| HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| DWORD dwFlags, |
| PVOID pReserved, |
| PWLAN_AVAILABLE_NETWORK_LIST* ppAvailableNetworkList); |
| |
| typedef DWORD (WINAPI* WlanGetNetworkBssListFunction)( |
| HANDLE hClientHandle, |
| const GUID* pInterfaceGuid, |
| const PDOT11_SSID pDot11Ssid, |
| DOT11_BSS_TYPE dot11BssType, |
| BOOL bSecurityEnabled, |
| PVOID pReserved, |
| PWLAN_BSS_LIST* ppWlanBssList); |
| |
| typedef DWORD(WINAPI* WlanGetProfileFunction)(HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| LPCWSTR strProfileName, |
| PVOID pReserved, |
| LPWSTR* pstrProfileXml, |
| DWORD* pdwFlags, |
| DWORD* pdwGrantedAccess); |
| |
| typedef DWORD (WINAPI* WlanOpenHandleFunction)( |
| DWORD dwClientVersion, |
| PVOID pReserved, |
| PDWORD pdwNegotiatedVersion, |
| PHANDLE phClientHandle); |
| |
| typedef DWORD(WINAPI* WlanQueryInterfaceFunction)( |
| HANDLE hClientHandle, |
| const GUID* pInterfaceGuid, |
| WLAN_INTF_OPCODE OpCode, |
| PVOID pReserved, |
| PDWORD pdwDataSize, |
| PVOID* ppData, |
| PWLAN_OPCODE_VALUE_TYPE pWlanOpcodeValueType); |
| |
| typedef DWORD (WINAPI* WlanRegisterNotificationFunction)( |
| HANDLE hClientHandle, |
| DWORD dwNotifSource, |
| BOOL bIgnoreDuplicate, |
| WLAN_NOTIFICATION_CALLBACK funcCallback, |
| PVOID pCallbackContext, |
| PVOID pReserved, |
| PDWORD pdwPrevNotifSource); |
| |
| typedef DWORD (WINAPI* WlanSaveTemporaryProfileFunction)( |
| HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| LPCWSTR strProfileName, |
| LPCWSTR strAllUserProfileSecurity, |
| DWORD dwFlags, |
| BOOL bOverWrite, |
| PVOID pReserved); |
| |
| typedef DWORD(WINAPI* WlanScanFunction)(HANDLE hClientHandle, |
| CONST GUID* pInterfaceGuid, |
| CONST PDOT11_SSID pDot11Ssid, |
| CONST PWLAN_RAW_DATA pIeData, |
| PVOID pReserved); |
| |
| typedef DWORD(WINAPI* WlanSetProfileFunction)(HANDLE hClientHandle, |
| const GUID* pInterfaceGuid, |
| DWORD dwFlags, |
| LPCWSTR strProfileXml, |
| LPCWSTR strAllUserProfileSecurity, |
| BOOL bOverwrite, |
| PVOID pReserved, |
| DWORD* pdwReasonCode); |
| |
| // Values for WLANProfile XML. |
| const char kAuthenticationOpen[] = "open"; |
| const char kAuthenticationWepPsk[] = "WEP"; |
| const char kAuthenticationWpaPsk[] = "WPAPSK"; |
| const char kAuthenticationWpa2Psk[] = "WPA2PSK"; |
| const char kEncryptionAES[] = "AES"; |
| const char kEncryptionNone[] = "none"; |
| const char kEncryptionTKIP[] = "TKIP"; |
| const char kEncryptionWEP[] = "WEP"; |
| const char kKeyTypeNetwork[] = "networkKey"; |
| const char kKeyTypePassphrase[] = "passPhrase"; |
| |
| } // namespace |
| |
| namespace wifi { |
| |
| // Implementation of WiFiService for Windows. |
| class WiFiServiceImpl : public WiFiService { |
| public: |
| WiFiServiceImpl(); |
| ~WiFiServiceImpl() override; |
| |
| // WiFiService interface implementation. |
| void Initialize( |
| scoped_refptr<base::SequencedTaskRunner> task_runner) override; |
| |
| void UnInitialize() override; |
| |
| void GetProperties(const std::string& network_guid, |
| base::DictionaryValue* properties, |
| std::string* error) override; |
| |
| void GetManagedProperties(const std::string& network_guid, |
| base::DictionaryValue* managed_properties, |
| std::string* error) override; |
| |
| void GetState(const std::string& network_guid, |
| base::DictionaryValue* properties, |
| std::string* error) override; |
| |
| void SetProperties(const std::string& network_guid, |
| scoped_ptr<base::DictionaryValue> properties, |
| std::string* error) override; |
| |
| void CreateNetwork(bool shared, |
| scoped_ptr<base::DictionaryValue> properties, |
| std::string* network_guid, |
| std::string* error) override; |
| |
| void GetVisibleNetworks(const std::string& network_type, |
| base::ListValue* network_list, |
| bool include_details) override; |
| |
| void RequestNetworkScan() override; |
| |
| void StartConnect(const std::string& network_guid, |
| std::string* error) override; |
| |
| void StartDisconnect(const std::string& network_guid, |
| std::string* error) override; |
| |
| void GetKeyFromSystem(const std::string& network_guid, |
| std::string* key_data, |
| std::string* error) override; |
| |
| void SetEventObservers( |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| const NetworkGuidListCallback& networks_changed_observer, |
| const NetworkGuidListCallback& network_list_changed_observer) override; |
| |
| void RequestConnectedNetworkUpdate() override {} |
| |
| void GetConnectedNetworkSSID(std::string* ssid, std::string* error) override; |
| |
| private: |
| typedef int32 EncryptionType; |
| enum EncryptionTypeEnum { |
| kEncryptionTypeAny = 0, |
| kEncryptionTypeAES = 1, |
| kEncryptionTypeTKIP = 2 |
| }; |
| |
| // Static callback for Windows WLAN_NOTIFICATION. Calls OnWlanNotification |
| // on WiFiServiceImpl passed back as |context|. |
| static void __stdcall OnWlanNotificationCallback( |
| PWLAN_NOTIFICATION_DATA wlan_notification_data, |
| PVOID context); |
| |
| // Callback for Windows WLAN_NOTIFICATION. Called on random thread from |
| // OnWlanNotificationCallback. Handles network connectivity and scan complete |
| // notification and posts tasks to main thread. |
| void OnWlanNotification(PWLAN_NOTIFICATION_DATA wlan_notification_data); |
| |
| // Handles NetworkScanComplete notification on main thread. Sends |
| // |NetworkListChanged| event with new list of visible networks. |
| void OnNetworkScanCompleteOnMainThread(); |
| |
| // Wait up to |kMaxAttempts| with |kAttemptDelayMs| delay for connection |
| // to network with |network_guid|. Reset DHCP and Notify that |NetworkChanged| |
| // upon success. |
| void WaitForNetworkConnect(const std::string& network_guid, int attempt); |
| |
| // Check |error_code| and if is not |ERROR_SUCCESS|, then store |error_name| |
| // into |error|. |
| bool CheckError(DWORD error_code, |
| const std::string& error_name, |
| std::string* error) const; |
| |
| // Return |iterator| to network identified by |network_guid| in |networks| |
| // list. |
| NetworkList::iterator FindNetwork(NetworkList& networks, |
| const std::string& network_guid); |
| |
| // Save currently connected network profile so it can be re-connected later. |
| DWORD SaveCurrentConnectedNetwork(const NetworkProperties& properties); |
| |
| // Sort networks, so connected/connecting is up front, then by type: |
| // Ethernet, WiFi, Cellular, VPN |
| static void SortNetworks(NetworkList* networks); |
| |
| // Open a WLAN client handle, register for WLAN notifications. |
| DWORD OpenClientHandle(); |
| |
| // Reset DHCP on wireless network to work around an issue when Windows |
| // takes forever to connect to the network, e.g. after Chromecast |
| // device reset. |
| DWORD ResetDHCP(); |
| |
| // Find |adapter_index_map| by |interface_guid| for DHCP reset. |
| DWORD FindAdapterIndexMapByGUID(const GUID& interface_guid, |
| IP_ADAPTER_INDEX_MAP* adapter_index_map); |
| |
| // Avoid the network location wizard to pop up when network is connected. |
| // Preserve current value in |saved_nw_category_wizard_|. |
| DWORD DisableNwCategoryWizard(); |
| |
| // Restore network location wizard to value saved by DisableNwCategoryWizard. |
| DWORD RestoreNwCategoryWizard(); |
| |
| // Ensure that |client_| handle is initialized. |
| DWORD EnsureInitialized(); |
| |
| // Close |client_| handle if it is open. |
| DWORD CloseClientHandle(); |
| |
| // Get |profile_name| from unique |network_guid|. |
| base::string16 ProfileNameFromGUID(const std::string& network_guid) const { |
| return base::UTF8ToUTF16(network_guid); |
| } |
| |
| // Get |dot11_ssid| from unique |network_guid|. |
| DOT11_SSID SSIDFromGUID(const std::string& network_guid) const; |
| |
| // Get unique |network_guid| string based on |dot11_ssid|. |
| std::string GUIDFromSSID(const DOT11_SSID& dot11_ssid) const { |
| return std::string(reinterpret_cast<const char*>(dot11_ssid.ucSSID), |
| dot11_ssid.uSSIDLength); |
| } |
| |
| // Get network |ssid| string based on |wlan|. |
| std::string SSIDFromWLAN(const WLAN_AVAILABLE_NETWORK& wlan) const { |
| return GUIDFromSSID(wlan.dot11Ssid); |
| } |
| |
| // Get unique |network_guid| string based on |wlan|. |
| std::string GUIDFromWLAN(const WLAN_AVAILABLE_NETWORK& wlan) const { |
| return SSIDFromWLAN(wlan); |
| } |
| |
| // Deduce |onc::wifi| security from |alg|. |
| std::string SecurityFromDot11AuthAlg(DOT11_AUTH_ALGORITHM alg) const; |
| |
| // Deduce |onc::connection_state| from |wlan_state|. |
| std::string ConnectionStateFromInterfaceState( |
| WLAN_INTERFACE_STATE wlan_state) const; |
| |
| // Convert |EncryptionType| into WPA(2) encryption type string. |
| std::string WpaEncryptionFromEncryptionType( |
| EncryptionType encryption_type) const; |
| |
| // Deduce WLANProfile |authEncryption| values from |onc::wifi| security. |
| bool AuthEncryptionFromSecurity(const std::string& security, |
| EncryptionType encryption_type, |
| std::string* authentication, |
| std::string* encryption, |
| std::string* key_type) const; |
| |
| // Populate |properties| based on |wlan|. |
| void NetworkPropertiesFromAvailableNetwork(const WLAN_AVAILABLE_NETWORK& wlan, |
| NetworkProperties* properties); |
| |
| // Update |properties| based on bss info from |wlan_bss_list|. If |bssid| in |
| // |properties| is not empty, then it is not changed and |frequency| is set |
| // based on that bssid. |
| void UpdateNetworkPropertiesFromBssList(const std::string& network_guid, |
| const WLAN_BSS_LIST& wlan_bss_list, |
| NetworkProperties* properties); |
| |
| // Get the list of visible wireless networks. |
| DWORD GetVisibleNetworkList(NetworkList* network_list); |
| |
| // Get properties of the network currently used (connected or in transition) |
| // by interface. Populate |current_properties| on success. |
| DWORD GetCurrentProperties(NetworkProperties* current_properties); |
| |
| // Get the SSID of the network currently used (connected or in transition) |
| // by interface. Populate |ssid| on success. This is a stripped down version |
| // of GetCurrentProperties that doesn't use the BSS list; |
| DWORD GetCurrentSSID(std::string* ssid); |
| |
| // Connect to network |network_guid| using previosly stored profile if exists, |
| // or just network sid. If |frequency| is not |kFrequencyUnknown| then |
| // connects only to BSS which uses that frequency and returns |
| // |ERROR_NOT_FOUND| if such BSS cannot be found. |
| DWORD Connect(const std::string& network_guid, Frequency frequency); |
| |
| // Disconnect from currently connected network if any. |
| DWORD Disconnect(); |
| |
| // Get desired connection freqency if it was set using |SetProperties|. |
| // Default to |kFrequencyAny|. |
| Frequency GetFrequencyToConnect(const std::string& network_guid) const; |
| |
| // Get DOT11_BSSID_LIST of desired BSSIDs to connect to |ssid| network on |
| // given |frequency|. |
| DWORD GetDesiredBssList(DOT11_SSID& ssid, |
| Frequency frequency, |
| scoped_ptr<DOT11_BSSID_LIST>* desired_list); |
| |
| // Normalizes |frequency_in_mhz| into one of |Frequency| values. |
| Frequency GetNormalizedFrequency(int frequency_in_mhz) const; |
| |
| // Create |profile_xml| based on |network_properties|. If |encryption_type| |
| // is |kEncryptionTypeAny| applies the type most suitable for parameters in |
| // |network_properties|. |
| bool CreateProfile(const NetworkProperties& network_properties, |
| EncryptionType encryption_type, |
| std::string* profile_xml); |
| |
| // Save temporary wireless profile for |network_guid|. |
| DWORD SaveTempProfile(const std::string& network_guid); |
| |
| // Get previously stored |profile_xml| for |network_guid|. |
| // If |get_plaintext_key| is true, and process has sufficient privileges, then |
| // <sharedKey> data in |profile_xml| will be unprotected. |
| DWORD GetProfile(const std::string& network_guid, |
| bool get_plaintext_key, |
| std::string* profile_xml); |
| |
| // Set |profile_xml| to current user or all users depending on |shared| flag. |
| // If |overwrite| is false, then returns an error if profile exists. |
| DWORD SetProfile(bool shared, const std::string& profile_xml, bool overwrite); |
| |
| // Return true if there is previously stored profile xml for |network_guid|. |
| bool HaveProfile(const std::string& network_guid); |
| |
| // Delete profile that was created, but failed to connect. |
| DWORD DeleteCreatedProfile(const std::string& network_guid); |
| |
| // Notify |network_list_changed_observer_| that list of visible networks has |
| // changed to |networks|. |
| void NotifyNetworkListChanged(const NetworkList& networks); |
| |
| // Notify |networks_changed_observer_| that network |network_guid| status has |
| // changed. |
| void NotifyNetworkChanged(const std::string& network_guid); |
| |
| // Load WlanApi.dll from SystemDirectory and get Api function pointers. |
| DWORD LoadWlanLibrary(); |
| // Instance of WlanApi.dll. |
| HINSTANCE wlan_api_library_; |
| // WlanApi function pointers |
| WlanConnectFunction WlanConnect_function_; |
| WlanCloseHandleFunction WlanCloseHandle_function_; |
| WlanDeleteProfileFunction WlanDeleteProfile_function_; |
| WlanDisconnectFunction WlanDisconnect_function_; |
| WlanEnumInterfacesFunction WlanEnumInterfaces_function_; |
| WlanFreeMemoryFunction WlanFreeMemory_function_; |
| WlanGetAvailableNetworkListFunction WlanGetAvailableNetworkList_function_; |
| // WlanGetNetworkBssList function may not be avaiable on Windows XP. |
| WlanGetNetworkBssListFunction WlanGetNetworkBssList_function_; |
| WlanGetProfileFunction WlanGetProfile_function_; |
| WlanOpenHandleFunction WlanOpenHandle_function_; |
| WlanQueryInterfaceFunction WlanQueryInterface_function_; |
| WlanRegisterNotificationFunction WlanRegisterNotification_function_; |
| WlanScanFunction WlanScan_function_; |
| WlanSetProfileFunction WlanSetProfile_function_; |
| // WlanSaveTemporaryProfile function may not be avaiable on Windows XP. |
| WlanSaveTemporaryProfileFunction WlanSaveTemporaryProfile_function_; |
| |
| // WLAN service handle. |
| HANDLE client_; |
| // GUID of the currently connected interface, if any, otherwise the GUID of |
| // one of the WLAN interfaces. |
| GUID interface_guid_; |
| // Temporary storage of network properties indexed by |network_guid|. Persist |
| // only in memory. |
| base::DictionaryValue connect_properties_; |
| // Preserved WLAN profile xml. |
| std::map<std::string, std::string> saved_profiles_xml_; |
| // Created WLAN Profiles, indexed by |network_guid|. Contains xml with TKIP |
| // encryption type saved by |CreateNetwork| if applicable. Profile has to be |
| // deleted if connection fails. Implicitly created profiles have to be deleted |
| // if connection succeeds. Persist only in memory. |
| base::DictionaryValue created_profiles_; |
| // Observer to get notified when network(s) have changed (e.g. connect). |
| NetworkGuidListCallback networks_changed_observer_; |
| // Observer to get notified when network list has changed (scan complete). |
| NetworkGuidListCallback network_list_changed_observer_; |
| // Saved value of network location wizard show value. |
| scoped_ptr<DWORD> saved_nw_category_wizard_; |
| // MessageLoopProxy to post events on UI thread. |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| // Task runner for worker tasks. |
| scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| // If |false|, then |networks_changed_observer_| is not notified. |
| bool enable_notify_network_changed_; |
| // Number of attempts to check that network has connected successfully. |
| static const int kMaxAttempts = 100; |
| // Delay between attempts to check that network has connected successfully. |
| static const int kAttemptDelayMs = 100; |
| DISALLOW_COPY_AND_ASSIGN(WiFiServiceImpl); |
| }; |
| |
| WiFiServiceImpl::WiFiServiceImpl() |
| : wlan_api_library_(NULL), |
| WlanConnect_function_(NULL), |
| WlanCloseHandle_function_(NULL), |
| WlanDeleteProfile_function_(NULL), |
| WlanDisconnect_function_(NULL), |
| WlanEnumInterfaces_function_(NULL), |
| WlanFreeMemory_function_(NULL), |
| WlanGetAvailableNetworkList_function_(NULL), |
| WlanGetNetworkBssList_function_(NULL), |
| WlanGetProfile_function_(NULL), |
| WlanOpenHandle_function_(NULL), |
| WlanRegisterNotification_function_(NULL), |
| WlanSaveTemporaryProfile_function_(NULL), |
| WlanScan_function_(NULL), |
| WlanSetProfile_function_(NULL), |
| client_(NULL), |
| enable_notify_network_changed_(true) {} |
| |
| WiFiServiceImpl::~WiFiServiceImpl() { UnInitialize(); } |
| |
| void WiFiServiceImpl::Initialize( |
| scoped_refptr<base::SequencedTaskRunner> task_runner) { |
| DCHECK(!client_); |
| task_runner_.swap(task_runner); |
| // Restore NwCategoryWizard in case if we crashed during connect. |
| RestoreNwCategoryWizard(); |
| OpenClientHandle(); |
| } |
| |
| void WiFiServiceImpl::UnInitialize() { |
| CloseClientHandle(); |
| } |
| |
| void WiFiServiceImpl::GetProperties(const std::string& network_guid, |
| base::DictionaryValue* properties, |
| std::string* error) { |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| NetworkProperties connected_properties; |
| error_code = GetCurrentProperties(&connected_properties); |
| if (error_code == ERROR_SUCCESS && |
| connected_properties.guid == network_guid) { |
| properties->Swap(connected_properties.ToValue(false).get()); |
| return; |
| } |
| |
| NetworkList network_list; |
| error_code = GetVisibleNetworkList(&network_list); |
| if (error_code == ERROR_SUCCESS) { |
| NetworkList::const_iterator it = FindNetwork(network_list, network_guid); |
| if (it != network_list.end()) { |
| DVLOG(1) << "Get Properties: " << network_guid << ":" |
| << it->connection_state; |
| properties->Swap(it->ToValue(false).get()); |
| return; |
| } |
| error_code = ERROR_NOT_FOUND; |
| } |
| |
| CheckError(error_code, kErrorWiFiService, error); |
| } |
| |
| void WiFiServiceImpl::GetManagedProperties( |
| const std::string& network_guid, |
| base::DictionaryValue* managed_properties, |
| std::string* error) { |
| CheckError(ERROR_CALL_NOT_IMPLEMENTED, kErrorWiFiService, error); |
| } |
| |
| void WiFiServiceImpl::GetState(const std::string& network_guid, |
| base::DictionaryValue* properties, |
| std::string* error) { |
| CheckError(ERROR_CALL_NOT_IMPLEMENTED, kErrorWiFiService, error); |
| } |
| |
| void WiFiServiceImpl::SetProperties( |
| const std::string& network_guid, |
| scoped_ptr<base::DictionaryValue> properties, |
| std::string* error) { |
| // Temporary preserve WiFi properties (desired frequency, wifi password) to |
| // use in StartConnect. |
| DCHECK(properties.get()); |
| if (!properties->HasKey(onc::network_type::kWiFi)) { |
| DVLOG(0) << "Missing WiFi properties:" << *properties; |
| *error = kErrorWiFiService; |
| return; |
| } |
| |
| base::DictionaryValue* existing_properties; |
| // If the network properties already exist, don't override previously set |
| // properties, unless they are set in |properties|. |
| if (connect_properties_.GetDictionaryWithoutPathExpansion( |
| network_guid, &existing_properties)) { |
| existing_properties->MergeDictionary(properties.get()); |
| } else { |
| connect_properties_.SetWithoutPathExpansion(network_guid, |
| properties.release()); |
| } |
| } |
| |
| void WiFiServiceImpl::CreateNetwork( |
| bool shared, |
| scoped_ptr<base::DictionaryValue> properties, |
| std::string* network_guid, |
| std::string* error) { |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| NetworkProperties network_properties; |
| if (!network_properties.UpdateFromValue(*properties)) { |
| CheckError(ERROR_INVALID_DATA, kErrorWiFiService, error); |
| return; |
| } |
| |
| network_properties.guid = network_properties.ssid; |
| std::string profile_xml; |
| if (!CreateProfile(network_properties, kEncryptionTypeAny, &profile_xml)) { |
| CheckError(ERROR_INVALID_DATA, kErrorWiFiService, error); |
| return; |
| } |
| |
| error_code = SetProfile(shared, profile_xml, false); |
| if (CheckError(error_code, kErrorWiFiService, error)) { |
| DVLOG(0) << profile_xml; |
| return; |
| } |
| |
| // WAP and WAP2 networks could use either AES or TKIP encryption type. |
| // Preserve alternative profile to use in case if connection with default |
| // encryption type fails. |
| std::string tkip_profile_xml; |
| if (!CreateProfile(network_properties, |
| kEncryptionTypeTKIP, |
| &tkip_profile_xml)) { |
| CheckError(ERROR_INVALID_DATA, kErrorWiFiService, error); |
| return; |
| } |
| |
| if (tkip_profile_xml != profile_xml) { |
| scoped_ptr<base::DictionaryValue> tkip_profile(new base::DictionaryValue()); |
| tkip_profile->SetString(kProfileXmlKey, tkip_profile_xml); |
| tkip_profile->SetBoolean(kProfileSharedKey, shared); |
| created_profiles_.SetWithoutPathExpansion(network_properties.guid, |
| tkip_profile.release()); |
| } |
| |
| *network_guid = network_properties.guid; |
| } |
| |
| void WiFiServiceImpl::GetVisibleNetworks(const std::string& network_type, |
| base::ListValue* network_list, |
| bool include_details) { |
| if (!network_type.empty() && |
| network_type != onc::network_type::kAllTypes && |
| network_type != onc::network_type::kWiFi) { |
| return; |
| } |
| |
| DWORD error = EnsureInitialized(); |
| if (error == ERROR_SUCCESS) { |
| NetworkList networks; |
| error = GetVisibleNetworkList(&networks); |
| if (error == ERROR_SUCCESS && !networks.empty()) { |
| SortNetworks(&networks); |
| for (NetworkList::const_iterator it = networks.begin(); |
| it != networks.end(); |
| ++it) { |
| scoped_ptr<base::DictionaryValue> network( |
| it->ToValue(!include_details)); |
| network_list->Append(network.release()); |
| } |
| } |
| } |
| } |
| |
| void WiFiServiceImpl::RequestNetworkScan() { |
| DWORD error = EnsureInitialized(); |
| if (error == ERROR_SUCCESS) { |
| WlanScan_function_(client_, &interface_guid_, NULL, NULL, NULL); |
| } |
| } |
| |
| void WiFiServiceImpl::StartConnect(const std::string& network_guid, |
| std::string* error) { |
| DVLOG(1) << "Start Connect: " << network_guid; |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| // Check, if the network is already connected on desired frequency. |
| Frequency frequency = GetFrequencyToConnect(network_guid); |
| NetworkProperties properties; |
| GetCurrentProperties(&properties); |
| bool already_connected = |
| network_guid == properties.guid && |
| properties.connection_state == onc::connection_state::kConnected && |
| (frequency == kFrequencyAny || frequency == properties.frequency); |
| |
| // Connect only if network |network_guid| is not connected already. |
| if (!already_connected) { |
| SaveCurrentConnectedNetwork(properties); |
| error_code = Connect(network_guid, frequency); |
| } |
| if (error_code == ERROR_SUCCESS) { |
| // Notify that previously connected network has changed. |
| NotifyNetworkChanged(properties.guid); |
| // Start waiting for network connection state change. |
| if (!networks_changed_observer_.is_null()) { |
| DisableNwCategoryWizard(); |
| // Disable automatic network change notifications as they get fired |
| // when network is just connected, but not yet accessible (doesn't |
| // have valid IP address). |
| enable_notify_network_changed_ = false; |
| WaitForNetworkConnect(network_guid, 0); |
| return; |
| } |
| } else if (error_code == ERROR_ACCESS_DENIED) { |
| CheckError(error_code, kErrorNotConfigured, error); |
| } else { |
| CheckError(error_code, kErrorWiFiService, error); |
| } |
| } |
| |
| void WiFiServiceImpl::StartDisconnect(const std::string& network_guid, |
| std::string* error) { |
| DVLOG(1) << "Start Disconnect: " << network_guid; |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| // Check, if the network is currently connected. |
| NetworkProperties properties; |
| GetCurrentProperties(&properties); |
| if (network_guid == properties.guid) { |
| if (properties.connection_state == onc::connection_state::kConnected) |
| SaveCurrentConnectedNetwork(properties); |
| error_code = Disconnect(); |
| if (error_code == ERROR_SUCCESS) { |
| NotifyNetworkChanged(network_guid); |
| return; |
| } |
| } |
| CheckError(error_code, kErrorWiFiService, error); |
| } |
| |
| void WiFiServiceImpl::GetKeyFromSystem(const std::string& network_guid, |
| std::string* key_data, |
| std::string* error) { |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| std::string profile_xml; |
| error_code = GetProfile(network_guid, true, &profile_xml); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| |
| const char kSharedKeyElement[] = "sharedKey"; |
| const char kProtectedElement[] = "protected"; |
| const char kKeyMaterialElement[] = "keyMaterial"; |
| |
| // Quick check to verify presence of <sharedKey> element. |
| if (profile_xml.find(kSharedKeyElement) == std::string::npos) { |
| *error = kErrorWiFiService; |
| return; |
| } |
| |
| XmlReader reader; |
| if (reader.Load(profile_xml)) { |
| while (reader.Read()) { |
| reader.SkipToElement(); |
| if (reader.NodeName() == kSharedKeyElement) { |
| while (reader.Read()) { |
| reader.SkipToElement(); |
| if (reader.NodeName() == kKeyMaterialElement) { |
| reader.ReadElementContent(key_data); |
| } else if (reader.NodeName() == kProtectedElement) { |
| std::string protected_data; |
| reader.ReadElementContent(&protected_data); |
| // Without UAC privilege escalation call to |GetProfile| with |
| // |WLAN_PROFILE_GET_PLAINTEXT_KEY| flag returns success, but has |
| // protected keyMaterial. Report an error in this case. |
| if (protected_data != "false") { |
| *error = kErrorWiFiService; |
| break; |
| } |
| } |
| } |
| return; |
| } |
| } |
| } |
| |
| // Did not find passphrase in the profile. |
| *error = kErrorWiFiService; |
| } |
| |
| void WiFiServiceImpl::SetEventObservers( |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| const NetworkGuidListCallback& networks_changed_observer, |
| const NetworkGuidListCallback& network_list_changed_observer) { |
| DWORD error_code = EnsureInitialized(); |
| if (error_code != ERROR_SUCCESS) |
| return; |
| message_loop_proxy_.swap(message_loop_proxy); |
| if (!networks_changed_observer_.is_null() || |
| !network_list_changed_observer_.is_null()) { |
| // Stop listening to WLAN notifications. |
| WlanRegisterNotification_function_(client_, |
| WLAN_NOTIFICATION_SOURCE_NONE, |
| FALSE, |
| OnWlanNotificationCallback, |
| this, |
| NULL, |
| NULL); |
| } |
| networks_changed_observer_ = networks_changed_observer; |
| network_list_changed_observer_ = network_list_changed_observer; |
| if (!networks_changed_observer_.is_null() || |
| !network_list_changed_observer_.is_null()) { |
| // Start listening to WLAN notifications. |
| WlanRegisterNotification_function_(client_, |
| WLAN_NOTIFICATION_SOURCE_ALL, |
| FALSE, |
| OnWlanNotificationCallback, |
| this, |
| NULL, |
| NULL); |
| } |
| } |
| |
| void WiFiServiceImpl::GetConnectedNetworkSSID(std::string* ssid, |
| std::string* error) { |
| DWORD error_code = EnsureInitialized(); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| std::string current_ssid; |
| error_code = GetCurrentSSID(¤t_ssid); |
| if (CheckError(error_code, kErrorWiFiService, error)) |
| return; |
| *ssid = current_ssid; |
| } |
| |
| void WiFiServiceImpl::OnWlanNotificationCallback( |
| PWLAN_NOTIFICATION_DATA wlan_notification_data, |
| PVOID context) { |
| WiFiServiceImpl* service = reinterpret_cast<WiFiServiceImpl*>(context); |
| service->OnWlanNotification(wlan_notification_data); |
| } |
| |
| void WiFiServiceImpl::OnWlanNotification( |
| PWLAN_NOTIFICATION_DATA wlan_notification_data) { |
| if (message_loop_proxy_.get() == NULL) |
| return; |
| switch (wlan_notification_data->NotificationCode) { |
| case wlan_notification_acm_disconnected: |
| case wlan_notification_acm_connection_complete: |
| case wlan_notification_acm_connection_attempt_fail: { |
| PWLAN_CONNECTION_NOTIFICATION_DATA wlan_connection_data = |
| reinterpret_cast<PWLAN_CONNECTION_NOTIFICATION_DATA>( |
| wlan_notification_data->pData); |
| message_loop_proxy_->PostTask( |
| FROM_HERE, |
| base::Bind(&WiFiServiceImpl::NotifyNetworkChanged, |
| base::Unretained(this), |
| GUIDFromSSID(wlan_connection_data->dot11Ssid))); |
| break; |
| } |
| case wlan_notification_acm_scan_complete: |
| case wlan_notification_acm_interface_removal: |
| message_loop_proxy_->PostTask( |
| FROM_HERE, |
| base::Bind(&WiFiServiceImpl::OnNetworkScanCompleteOnMainThread, |
| base::Unretained(this))); |
| break; |
| } |
| } |
| |
| void WiFiServiceImpl::OnNetworkScanCompleteOnMainThread() { |
| NetworkList networks; |
| // Get current list of visible networks and notify that network list has |
| // changed. |
| DWORD error = GetVisibleNetworkList(&networks); |
| if (error != ERROR_SUCCESS) |
| networks.clear(); |
| NotifyNetworkListChanged(networks); |
| } |
| |
| void WiFiServiceImpl::WaitForNetworkConnect(const std::string& network_guid, |
| int attempt) { |
| // If network didn't get connected in |kMaxAttempts|, then try to connect |
| // using different profile if it was created recently. |
| if (attempt > kMaxAttempts) { |
| LOG(ERROR) << kMaxAttempts << " attempts exceeded waiting for connect to " |
| << network_guid; |
| |
| base::DictionaryValue* created_profile = NULL; |
| // Check, whether this connection is using newly created profile. |
| if (created_profiles_.GetDictionaryWithoutPathExpansion( |
| network_guid, &created_profile)) { |
| std::string tkip_profile_xml; |
| bool shared = false; |
| // Check, if this connection there is alternative TKIP profile xml that |
| // should be tried. If there is, then set it up and try to connect again. |
| if (created_profile->GetString(kProfileXmlKey, &tkip_profile_xml) && |
| created_profile->GetBoolean(kProfileSharedKey, &shared)) { |
| // Remove TKIP profile xml, so it will not be tried again. |
| created_profile->Remove(kProfileXmlKey, NULL); |
| created_profile->Remove(kProfileSharedKey, NULL); |
| DWORD error_code = SetProfile(shared, tkip_profile_xml, true); |
| if (error_code == ERROR_SUCCESS) { |
| // Try to connect with new profile. |
| error_code = Connect(network_guid, |
| GetFrequencyToConnect(network_guid)); |
| if (error_code == ERROR_SUCCESS) { |
| // Start waiting again. |
| WaitForNetworkConnect(network_guid, 0); |
| return; |
| } else { |
| LOG(ERROR) << "Failed to set created profile for " << network_guid |
| << " error=" << error_code; |
| } |
| } |
| } else { |
| // Connection has failed, so delete bad created profile. |
| DWORD error_code = DeleteCreatedProfile(network_guid); |
| if (error_code != ERROR_SUCCESS) { |
| LOG(ERROR) << "Failed to delete created profile for " << network_guid |
| << " error=" << error_code; |
| } |
| } |
| } |
| // Restore automatic network change notifications and stop waiting. |
| enable_notify_network_changed_ = true; |
| RestoreNwCategoryWizard(); |
| return; |
| } |
| NetworkProperties current_properties; |
| DWORD error = GetCurrentProperties(¤t_properties); |
| if (network_guid == current_properties.guid && |
| current_properties.connection_state == |
| onc::connection_state::kConnected) { |
| DVLOG(1) << "WiFi Connected, Reset DHCP: " << network_guid; |
| // Even though wireless network is now connected, it may still be unusable, |
| // e.g. after Chromecast device reset. Reset DHCP on wireless network to |
| // work around this issue. |
| error = ResetDHCP(); |
| if (error != ERROR_SUCCESS) |
| LOG(ERROR) << error; |
| // There is no need to keep created profile as network is connected. |
| created_profiles_.RemoveWithoutPathExpansion(network_guid, NULL); |
| // Restore previously suppressed notifications. |
| enable_notify_network_changed_ = true; |
| RestoreNwCategoryWizard(); |
| NotifyNetworkChanged(network_guid); |
| } else { |
| // Continue waiting for network connection state change. |
| task_runner_->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&WiFiServiceImpl::WaitForNetworkConnect, |
| base::Unretained(this), |
| network_guid, |
| ++attempt), |
| base::TimeDelta::FromMilliseconds(kAttemptDelayMs)); |
| } |
| } |
| |
| bool WiFiServiceImpl::CheckError(DWORD error_code, |
| const std::string& error_name, |
| std::string* error) const { |
| if (error_code != ERROR_SUCCESS) { |
| DLOG(ERROR) << "WiFiService Error " << error_code << ": " << error_name; |
| *error = error_name; |
| return true; |
| } |
| return false; |
| } |
| |
| NetworkList::iterator WiFiServiceImpl::FindNetwork( |
| NetworkList& networks, |
| const std::string& network_guid) { |
| for (NetworkList::iterator it = networks.begin(); it != networks.end(); |
| ++it) { |
| if (it->guid == network_guid) |
| return it; |
| } |
| return networks.end(); |
| } |
| |
| DWORD WiFiServiceImpl::SaveCurrentConnectedNetwork( |
| const NetworkProperties& current_properties) { |
| DWORD error = ERROR_SUCCESS; |
| // Save currently connected network. |
| if (!current_properties.guid.empty() && |
| current_properties.connection_state == |
| onc::connection_state::kConnected) { |
| error = SaveTempProfile(current_properties.guid); |
| } |
| return error; |
| } |
| |
| void WiFiServiceImpl::SortNetworks(NetworkList* networks) { |
| networks->sort(NetworkProperties::OrderByType); |
| } |
| |
| DWORD WiFiServiceImpl::LoadWlanLibrary() { |
| // Use an absolute path to load the DLL to avoid DLL preloading attacks. |
| base::FilePath path; |
| if (!PathService::Get(base::DIR_SYSTEM, &path)) { |
| LOG(ERROR) << "Unable to get system path."; |
| return ERROR_NOT_FOUND; |
| } |
| wlan_api_library_ = ::LoadLibraryEx(path.Append(kWlanApiDll).value().c_str(), |
| NULL, |
| LOAD_WITH_ALTERED_SEARCH_PATH); |
| if (!wlan_api_library_) { |
| LOG(ERROR) << "Unable to load WlanApi.dll."; |
| return ERROR_NOT_FOUND; |
| } |
| |
| // Initialize WlanApi function pointers |
| WlanConnect_function_ = |
| reinterpret_cast<WlanConnectFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanConnect)); |
| WlanCloseHandle_function_ = |
| reinterpret_cast<WlanCloseHandleFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanCloseHandle)); |
| WlanDeleteProfile_function_ = |
| reinterpret_cast<WlanDeleteProfileFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanDeleteProfile)); |
| WlanDisconnect_function_ = |
| reinterpret_cast<WlanDisconnectFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanDisconnect)); |
| WlanEnumInterfaces_function_ = |
| reinterpret_cast<WlanEnumInterfacesFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanEnumInterfaces)); |
| WlanFreeMemory_function_ = |
| reinterpret_cast<WlanFreeMemoryFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanFreeMemory)); |
| WlanGetAvailableNetworkList_function_ = |
| reinterpret_cast<WlanGetAvailableNetworkListFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanGetAvailableNetworkList)); |
| WlanGetNetworkBssList_function_ = |
| reinterpret_cast<WlanGetNetworkBssListFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanGetNetworkBssList)); |
| WlanGetProfile_function_ = |
| reinterpret_cast<WlanGetProfileFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanGetProfile)); |
| WlanOpenHandle_function_ = |
| reinterpret_cast<WlanOpenHandleFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanOpenHandle)); |
| WlanQueryInterface_function_ = |
| reinterpret_cast<WlanQueryInterfaceFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanQueryInterface)); |
| WlanRegisterNotification_function_ = |
| reinterpret_cast<WlanRegisterNotificationFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanRegisterNotification)); |
| WlanSaveTemporaryProfile_function_ = |
| reinterpret_cast<WlanSaveTemporaryProfileFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanSaveTemporaryProfile)); |
| WlanScan_function_ = |
| reinterpret_cast<WlanScanFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanScan)); |
| WlanSetProfile_function_ = |
| reinterpret_cast<WlanSetProfileFunction>( |
| ::GetProcAddress(wlan_api_library_, kWlanSetProfile)); |
| |
| if (!WlanConnect_function_ || |
| !WlanCloseHandle_function_ || |
| !WlanDeleteProfile_function_ || |
| !WlanDisconnect_function_ || |
| !WlanEnumInterfaces_function_ || |
| !WlanFreeMemory_function_ || |
| !WlanGetAvailableNetworkList_function_ || |
| !WlanGetProfile_function_ || |
| !WlanOpenHandle_function_ || |
| !WlanQueryInterface_function_ || |
| !WlanRegisterNotification_function_ || |
| !WlanScan_function_ || |
| !WlanSetProfile_function_) { |
| LOG(ERROR) << "Unable to find required WlanApi function."; |
| FreeLibrary(wlan_api_library_); |
| wlan_api_library_ = NULL; |
| return ERROR_NOT_FOUND; |
| } |
| |
| // Some WlanApi functions may not be available on XP. |
| if (!WlanGetNetworkBssList_function_ || |
| !WlanSaveTemporaryProfile_function_) { |
| DVLOG(1) << "WlanApi function is not be available on XP."; |
| } |
| |
| return ERROR_SUCCESS; |
| } |
| |
| DWORD WiFiServiceImpl::OpenClientHandle() { |
| DWORD error = LoadWlanLibrary(); |
| DWORD service_version = 0; |
| |
| if (error != ERROR_SUCCESS) |
| return error; |
| |
| // Open a handle to the service. |
| error = WlanOpenHandle_function_(1, NULL, &service_version, &client_); |
| |
| PWLAN_INTERFACE_INFO_LIST interface_list = NULL; |
| if (error == ERROR_SUCCESS) { |
| // Enumerate wireless interfaces. |
| error = WlanEnumInterfaces_function_(client_, NULL, &interface_list); |
| if (error == ERROR_SUCCESS) { |
| if (interface_list != NULL && interface_list->dwNumberOfItems != 0) { |
| // Remember first interface just in case if none are connected. |
| interface_guid_ = interface_list->InterfaceInfo[0].InterfaceGuid; |
| // Try to find a connected interface. |
| for (DWORD itf = 0; itf < interface_list->dwNumberOfItems; ++itf) { |
| if (interface_list->InterfaceInfo[itf].isState == |
| wlan_interface_state_connected) { |
| // Found connected interface, remember it! |
| interface_guid_ = interface_list->InterfaceInfo[itf].InterfaceGuid; |
| break; |
| } |
| } |
| } else { |
| error = ERROR_NOINTERFACE; |
| } |
| } |
| // Clean up.. |
| if (interface_list != NULL) |
| WlanFreeMemory_function_(interface_list); |
| } |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::ResetDHCP() { |
| IP_ADAPTER_INDEX_MAP adapter_index_map = {0}; |
| DWORD error = FindAdapterIndexMapByGUID(interface_guid_, &adapter_index_map); |
| if (error != ERROR_SUCCESS) { |
| LOG(ERROR) << error; |
| return error; |
| } |
| error = ::IpReleaseAddress(&adapter_index_map); |
| if (error != ERROR_SUCCESS) { |
| if (error != ERROR_ADDRESS_NOT_ASSOCIATED) { |
| LOG(ERROR) << error; |
| return error; |
| } |
| DVLOG(1) << "Ignoring IpReleaseAddress Error: " << error; |
| } |
| error = ::IpRenewAddress(&adapter_index_map); |
| if (error != ERROR_SUCCESS) |
| LOG(ERROR) << error; |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::FindAdapterIndexMapByGUID( |
| const GUID& interface_guid, |
| IP_ADAPTER_INDEX_MAP* adapter_index_map) { |
| base::string16 guid_string; |
| const int kGUIDSize = 39; |
| ::StringFromGUID2( |
| interface_guid, WriteInto(&guid_string, kGUIDSize), kGUIDSize); |
| |
| ULONG buffer_length = 0; |
| DWORD error = ::GetInterfaceInfo(NULL, &buffer_length); |
| if (error == ERROR_INSUFFICIENT_BUFFER) { |
| scoped_ptr<unsigned char[]> buffer(new unsigned char[buffer_length]); |
| IP_INTERFACE_INFO* interface_info = |
| reinterpret_cast<IP_INTERFACE_INFO*>(buffer.get()); |
| error = GetInterfaceInfo(interface_info, &buffer_length); |
| if (error == ERROR_SUCCESS) { |
| for (int adapter = 0; adapter < interface_info->NumAdapters; ++adapter) { |
| if (EndsWith( |
| interface_info->Adapter[adapter].Name, guid_string, false)) { |
| *adapter_index_map = interface_info->Adapter[adapter]; |
| break; |
| } |
| } |
| } |
| } |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::DisableNwCategoryWizard() { |
| base::win::RegKey nw_category_wizard; |
| DWORD error = nw_category_wizard.Open(HKEY_CURRENT_USER, |
| kNwCategoryWizardRegKey, |
| KEY_READ | KEY_SET_VALUE); |
| if (error == ERROR_SUCCESS) { |
| // Save current value if present. |
| if (nw_category_wizard.HasValue(kNwCategoryWizardRegValue)) { |
| DWORD saved = 0u; |
| error = nw_category_wizard.ReadValueDW(kNwCategoryWizardRegValue, |
| &saved); |
| if (error == ERROR_SUCCESS) { |
| error = nw_category_wizard.WriteValue(kNwCategoryWizardSavedRegValue, |
| saved); |
| } |
| } else { |
| // Mark that temporary value has to be deleted. |
| error = nw_category_wizard.WriteValue(kNwCategoryWizardDeleteRegValue, |
| 1u); |
| } |
| |
| // Disable network location wizard. |
| error = nw_category_wizard.WriteValue(kNwCategoryWizardRegValue, |
| static_cast<DWORD>(0)); |
| } |
| |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::RestoreNwCategoryWizard() { |
| base::win::RegKey nw_category_wizard; |
| DWORD error = nw_category_wizard.Open(HKEY_CURRENT_USER, |
| kNwCategoryWizardRegKey, |
| KEY_SET_VALUE); |
| if (error == ERROR_SUCCESS) { |
| // Restore saved value if present. |
| if (nw_category_wizard.HasValue(kNwCategoryWizardSavedRegValue)) { |
| DWORD saved = 0u; |
| error = nw_category_wizard.ReadValueDW(kNwCategoryWizardSavedRegValue, |
| &saved); |
| if (error == ERROR_SUCCESS) { |
| error = nw_category_wizard.WriteValue(kNwCategoryWizardRegValue, |
| saved); |
| error = nw_category_wizard.DeleteValue(kNwCategoryWizardSavedRegValue); |
| } |
| } else if (nw_category_wizard.HasValue(kNwCategoryWizardDeleteRegValue)) { |
| error = nw_category_wizard.DeleteValue(kNwCategoryWizardRegValue); |
| error = nw_category_wizard.DeleteValue(kNwCategoryWizardDeleteRegValue); |
| } |
| } |
| |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::EnsureInitialized() { |
| if (client_ != NULL) |
| return ERROR_SUCCESS; |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD WiFiServiceImpl::CloseClientHandle() { |
| DWORD error = ERROR_SUCCESS; |
| if (client_ != NULL) { |
| error = WlanCloseHandle_function_(client_, NULL); |
| client_ = NULL; |
| } |
| if (wlan_api_library_ != NULL) { |
| WlanConnect_function_ = NULL; |
| WlanCloseHandle_function_ = NULL; |
| WlanDeleteProfile_function_ = NULL; |
| WlanDisconnect_function_ = NULL; |
| WlanEnumInterfaces_function_ = NULL; |
| WlanFreeMemory_function_ = NULL; |
| WlanGetAvailableNetworkList_function_ = NULL; |
| WlanGetNetworkBssList_function_ = NULL; |
| WlanGetProfile_function_ = NULL; |
| WlanOpenHandle_function_ = NULL; |
| WlanRegisterNotification_function_ = NULL; |
| WlanSaveTemporaryProfile_function_ = NULL; |
| WlanScan_function_ = NULL; |
| WlanSetProfile_function_ = NULL; |
| ::FreeLibrary(wlan_api_library_); |
| wlan_api_library_ = NULL; |
| } |
| return error; |
| } |
| |
| DOT11_SSID WiFiServiceImpl::SSIDFromGUID( |
| const std::string& network_guid) const { |
| DOT11_SSID ssid = {0}; |
| if (network_guid.length() <= DOT11_SSID_MAX_LENGTH) { |
| ssid.uSSIDLength = static_cast<ULONG>(network_guid.length()); |
| strncpy(reinterpret_cast<char*>(ssid.ucSSID), |
| network_guid.c_str(), |
| ssid.uSSIDLength); |
| } else { |
| NOTREACHED(); |
| } |
| return ssid; |
| } |
| |
| std::string WiFiServiceImpl::SecurityFromDot11AuthAlg( |
| DOT11_AUTH_ALGORITHM alg) const { |
| switch (alg) { |
| case DOT11_AUTH_ALGO_RSNA: |
| return onc::wifi::kWPA_EAP; |
| case DOT11_AUTH_ALGO_RSNA_PSK: |
| return onc::wifi::kWPA_PSK; |
| case DOT11_AUTH_ALGO_80211_SHARED_KEY: |
| return onc::wifi::kWEP_PSK; |
| case DOT11_AUTH_ALGO_80211_OPEN: |
| return onc::wifi::kSecurityNone; |
| default: |
| return onc::wifi::kWPA_EAP; |
| } |
| } |
| |
| std::string WiFiServiceImpl::ConnectionStateFromInterfaceState( |
| WLAN_INTERFACE_STATE wlan_state) const { |
| switch (wlan_state) { |
| case wlan_interface_state_connected: |
| // TODO(mef): Even if |wlan_state| is connected, the network may still |
| // not be reachable, and should be resported as |kConnecting|. |
| return onc::connection_state::kConnected; |
| case wlan_interface_state_associating: |
| case wlan_interface_state_discovering: |
| case wlan_interface_state_authenticating: |
| return onc::connection_state::kConnecting; |
| default: |
| return onc::connection_state::kNotConnected; |
| } |
| } |
| |
| void WiFiServiceImpl::NetworkPropertiesFromAvailableNetwork( |
| const WLAN_AVAILABLE_NETWORK& wlan, |
| NetworkProperties* properties) { |
| // TODO(mef): It would be nice for the connection states in |
| // getVisibleNetworks and getProperties results to be consistent. |
| if (wlan.dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED) { |
| properties->connection_state = onc::connection_state::kConnected; |
| } else { |
| properties->connection_state = onc::connection_state::kNotConnected; |
| } |
| |
| properties->ssid = SSIDFromWLAN(wlan); |
| properties->name = properties->ssid; |
| properties->guid = GUIDFromWLAN(wlan); |
| properties->type = onc::network_type::kWiFi; |
| properties->security = |
| SecurityFromDot11AuthAlg(wlan.dot11DefaultAuthAlgorithm); |
| properties->signal_strength = wlan.wlanSignalQuality; |
| } |
| |
| void WiFiServiceImpl::UpdateNetworkPropertiesFromBssList( |
| const std::string& network_guid, |
| const WLAN_BSS_LIST& wlan_bss_list, |
| NetworkProperties* properties) { |
| if (network_guid.empty()) |
| return; |
| |
| DOT11_SSID ssid = SSIDFromGUID(network_guid); |
| for (size_t bss = 0; bss < wlan_bss_list.dwNumberOfItems; ++bss) { |
| const WLAN_BSS_ENTRY& bss_entry(wlan_bss_list.wlanBssEntries[bss]); |
| if (bss_entry.dot11Ssid.uSSIDLength == ssid.uSSIDLength && |
| 0 == memcmp(bss_entry.dot11Ssid.ucSSID, |
| ssid.ucSSID, |
| bss_entry.dot11Ssid.uSSIDLength)) { |
| std::string bssid = NetworkProperties::MacAddressAsString( |
| bss_entry.dot11Bssid); |
| Frequency frequency = GetNormalizedFrequency( |
| bss_entry.ulChCenterFrequency / 1000); |
| properties->frequency_set.insert(frequency); |
| if (properties->bssid.empty() || properties->bssid == bssid) { |
| properties->frequency = frequency; |
| properties->bssid = bssid; |
| } |
| } |
| } |
| } |
| |
| // Get the list of visible wireless networks |
| DWORD WiFiServiceImpl::GetVisibleNetworkList(NetworkList* network_list) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD error = ERROR_SUCCESS; |
| PWLAN_AVAILABLE_NETWORK_LIST available_network_list = NULL; |
| PWLAN_BSS_LIST bss_list = NULL; |
| |
| error = WlanGetAvailableNetworkList_function_( |
| client_, |
| &interface_guid_, |
| WLAN_AVAILABLE_NETWORK_INCLUDE_ALL_MANUAL_HIDDEN_PROFILES, |
| NULL, |
| &available_network_list); |
| |
| std::set<std::string> network_guids; |
| |
| if (error == ERROR_SUCCESS && |
| available_network_list && |
| WlanGetNetworkBssList_function_) { |
| // TODO(mef): WlanGetNetworkBssList is not available on XP. If XP support is |
| // needed, then different method of getting BSS (e.g. OID query) will have |
| // to be used. |
| error = WlanGetNetworkBssList_function_(client_, |
| &interface_guid_, |
| NULL, |
| dot11_BSS_type_any, |
| FALSE, |
| NULL, |
| &bss_list); |
| if (error == ERROR_SUCCESS && NULL != bss_list) { |
| for (DWORD i = 0; i < available_network_list->dwNumberOfItems; ++i) { |
| NetworkProperties network_properties; |
| NetworkPropertiesFromAvailableNetwork( |
| available_network_list->Network[i], |
| &network_properties); |
| UpdateNetworkPropertiesFromBssList(network_properties.guid, |
| *bss_list, |
| &network_properties); |
| // Check for duplicate network guids. |
| if (network_guids.count(network_properties.guid)) { |
| // There should be no difference between properties except for |
| // |connection_state|, so mark it as |kConnected| if either one is. |
| if (network_properties.connection_state == |
| onc::connection_state::kConnected) { |
| NetworkList::iterator previous_network_properties = |
| FindNetwork(*network_list, network_properties.guid); |
| DCHECK(previous_network_properties != network_list->end()); |
| previous_network_properties->connection_state = |
| network_properties.connection_state; |
| } |
| } else { |
| network_list->push_back(network_properties); |
| } |
| network_guids.insert(network_properties.guid); |
| } |
| } |
| } |
| |
| // Clean up. |
| if (available_network_list != NULL) { |
| WlanFreeMemory_function_(available_network_list); |
| } |
| if (bss_list != NULL) { |
| WlanFreeMemory_function_(bss_list); |
| } |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::GetCurrentProperties(NetworkProperties* properties) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| // TODO(mef): WlanGetNetworkBssList is not available on XP. If XP support is |
| // needed, then different method of getting BSS (e.g. OID query) will have |
| // to be used. |
| if (WlanGetNetworkBssList_function_ == NULL) |
| return ERROR_NOINTERFACE; |
| |
| DWORD error = ERROR_SUCCESS; |
| DWORD data_size = 0; |
| PWLAN_CONNECTION_ATTRIBUTES wlan_connection_attributes = NULL; |
| PWLAN_BSS_LIST bss_list = NULL; |
| error = WlanQueryInterface_function_( |
| client_, |
| &interface_guid_, |
| wlan_intf_opcode_current_connection, |
| NULL, |
| &data_size, |
| reinterpret_cast<PVOID*>(&wlan_connection_attributes), |
| NULL); |
| if (error == ERROR_SUCCESS && |
| wlan_connection_attributes != NULL) { |
| WLAN_ASSOCIATION_ATTRIBUTES& connected_wlan = |
| wlan_connection_attributes->wlanAssociationAttributes; |
| |
| properties->connection_state = ConnectionStateFromInterfaceState( |
| wlan_connection_attributes->isState); |
| properties->ssid = GUIDFromSSID(connected_wlan.dot11Ssid); |
| properties->name = properties->ssid; |
| properties->guid = GUIDFromSSID(connected_wlan.dot11Ssid); |
| properties->type = onc::network_type::kWiFi; |
| properties->bssid = NetworkProperties::MacAddressAsString( |
| connected_wlan.dot11Bssid); |
| properties->security = SecurityFromDot11AuthAlg( |
| wlan_connection_attributes->wlanSecurityAttributes.dot11AuthAlgorithm); |
| properties->signal_strength = connected_wlan.wlanSignalQuality; |
| |
| error = WlanGetNetworkBssList_function_(client_, |
| &interface_guid_, |
| &connected_wlan.dot11Ssid, |
| connected_wlan.dot11BssType, |
| FALSE, |
| NULL, |
| &bss_list); |
| if (error == ERROR_SUCCESS && NULL != bss_list) { |
| UpdateNetworkPropertiesFromBssList(properties->guid, |
| *bss_list, |
| properties); |
| } |
| } |
| |
| // Clean up. |
| if (wlan_connection_attributes != NULL) |
| WlanFreeMemory_function_(wlan_connection_attributes); |
| |
| if (bss_list != NULL) |
| WlanFreeMemory_function_(bss_list); |
| |
| return error; |
| } |
| |
| |
| DWORD WiFiServiceImpl::GetCurrentSSID(std::string* ssid) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| DWORD error = ERROR_SUCCESS; |
| DWORD data_size = 0; |
| PWLAN_CONNECTION_ATTRIBUTES wlan_connection_attributes = NULL; |
| error = WlanQueryInterface_function_( |
| client_, |
| &interface_guid_, |
| wlan_intf_opcode_current_connection, |
| NULL, |
| &data_size, |
| reinterpret_cast<PVOID*>(&wlan_connection_attributes), |
| NULL); |
| if (error == ERROR_SUCCESS && |
| wlan_connection_attributes != NULL) { |
| WLAN_ASSOCIATION_ATTRIBUTES& connected_wlan = |
| wlan_connection_attributes->wlanAssociationAttributes; |
| *ssid = GUIDFromSSID(connected_wlan.dot11Ssid); |
| } |
| |
| // Clean up. |
| if (wlan_connection_attributes != NULL) |
| WlanFreeMemory_function_(wlan_connection_attributes); |
| |
| return error; |
| } |
| |
| Frequency WiFiServiceImpl::GetFrequencyToConnect( |
| const std::string& network_guid) const { |
| // Check whether desired frequency is set in |connect_properties_|. |
| const base::DictionaryValue* properties; |
| if (connect_properties_.GetDictionaryWithoutPathExpansion(network_guid, |
| &properties)) { |
| const base::DictionaryValue* wifi; |
| if (properties->GetDictionary(onc::network_type::kWiFi, &wifi)) { |
| int frequency; |
| if (wifi->GetInteger(onc::wifi::kFrequency, &frequency)) |
| return GetNormalizedFrequency(frequency); |
| } |
| } |
| return kFrequencyAny; |
| } |
| |
| DWORD WiFiServiceImpl::GetDesiredBssList( |
| DOT11_SSID& ssid, |
| Frequency frequency, |
| scoped_ptr<DOT11_BSSID_LIST>* desired_list) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| desired_list->reset(); |
| |
| if (frequency == kFrequencyAny) |
| return ERROR_SUCCESS; |
| |
| // TODO(mef): WlanGetNetworkBssList is not available on XP. If XP support is |
| // needed, then different method of getting BSS (e.g. OID query) will have |
| // to be used. |
| if (!WlanGetNetworkBssList_function_) |
| return ERROR_NOT_SUPPORTED; |
| |
| DWORD error = ERROR_SUCCESS; |
| PWLAN_BSS_LIST bss_list = NULL; |
| |
| error = WlanGetNetworkBssList_function_(client_, |
| &interface_guid_, |
| &ssid, |
| dot11_BSS_type_infrastructure, |
| FALSE, |
| NULL, |
| &bss_list); |
| if (error == ERROR_SUCCESS && NULL != bss_list) { |
| unsigned int best_quality = 0u; |
| size_t best_index = 0; |
| Frequency bss_frequency; |
| |
| // Go through bss_list and find best quality BSSID with matching frequency. |
| for (size_t bss = 0; bss < bss_list->dwNumberOfItems; ++bss) { |
| const WLAN_BSS_ENTRY& bss_entry(bss_list->wlanBssEntries[bss]); |
| if (bss_entry.dot11Ssid.uSSIDLength != ssid.uSSIDLength || |
| 0 != memcmp(bss_entry.dot11Ssid.ucSSID, |
| ssid.ucSSID, |
| bss_entry.dot11Ssid.uSSIDLength)) |
| continue; |
| |
| bss_frequency = GetNormalizedFrequency( |
| bss_entry.ulChCenterFrequency / 1000); |
| if (bss_frequency == frequency && |
| bss_entry.uLinkQuality > best_quality) { |
| best_quality = bss_entry.uLinkQuality; |
| best_index = bss; |
| } |
| } |
| |
| // If any matching BSS were found, prepare the header. |
| if (best_quality > 0) { |
| const WLAN_BSS_ENTRY& bss_entry(bss_list->wlanBssEntries[best_index]); |
| scoped_ptr<DOT11_BSSID_LIST> selected_list(new DOT11_BSSID_LIST); |
| |
| selected_list->Header.Revision = DOT11_BSSID_LIST_REVISION_1; |
| selected_list->Header.Size = sizeof(DOT11_BSSID_LIST); |
| selected_list->Header.Type = NDIS_OBJECT_TYPE_DEFAULT; |
| selected_list->uNumOfEntries = 1; |
| selected_list->uTotalNumOfEntries = 1; |
| std::copy(bss_entry.dot11Bssid, |
| bss_entry.dot11Bssid+sizeof(bss_entry.dot11Bssid), |
| selected_list->BSSIDs[0]); |
| desired_list->swap(selected_list); |
| DVLOG(1) << "Quality: " << best_quality << " BSS: " |
| << NetworkProperties::MacAddressAsString(bss_entry.dot11Bssid); |
| } else { |
| error = ERROR_NOT_FOUND; |
| } |
| } |
| |
| // Clean up. |
| if (bss_list != NULL) { |
| WlanFreeMemory_function_(bss_list); |
| } |
| return error; |
| } |
| |
| Frequency WiFiServiceImpl::GetNormalizedFrequency(int frequency_in_mhz) const { |
| if (frequency_in_mhz == 0) |
| return kFrequencyAny; |
| if (frequency_in_mhz < 3000) |
| return kFrequency2400; |
| return kFrequency5000; |
| } |
| |
| DWORD WiFiServiceImpl::Connect(const std::string& network_guid, |
| Frequency frequency) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD error = ERROR_SUCCESS; |
| DOT11_SSID ssid = SSIDFromGUID(network_guid); |
| scoped_ptr<DOT11_BSSID_LIST> desired_bss_list; |
| error = GetDesiredBssList(ssid, frequency, &desired_bss_list); |
| if (error == ERROR_SUCCESS) { |
| if (HaveProfile(network_guid)) { |
| base::string16 profile_name = ProfileNameFromGUID(network_guid); |
| WLAN_CONNECTION_PARAMETERS wlan_params = { |
| wlan_connection_mode_profile, |
| profile_name.c_str(), |
| NULL, |
| desired_bss_list.get(), |
| dot11_BSS_type_any, |
| 0}; |
| error = WlanConnect_function_( |
| client_, &interface_guid_, &wlan_params, NULL); |
| } else { |
| // If network is available, but is not open security, then it cannot be |
| // connected without profile, so return 'access denied' error. |
| scoped_ptr<base::DictionaryValue> properties (new base::DictionaryValue); |
| const base::DictionaryValue* wifi; |
| std::string wifi_security; |
| std::string error_string; |
| GetProperties(network_guid, properties.get(), &error_string); |
| if (error_string.empty() && |
| properties->GetDictionary(onc::network_type::kWiFi, &wifi) && |
| wifi->GetString(onc::wifi::kSecurity, &wifi_security) && |
| wifi_security != onc::wifi::kSecurityNone) { |
| error = ERROR_ACCESS_DENIED; |
| LOG(ERROR) << error; |
| return error; |
| } |
| WLAN_CONNECTION_PARAMETERS wlan_params = { |
| wlan_connection_mode_discovery_unsecure, |
| NULL, |
| &ssid, |
| desired_bss_list.get(), |
| dot11_BSS_type_infrastructure, |
| 0}; |
| error = WlanConnect_function_( |
| client_, &interface_guid_, &wlan_params, NULL); |
| } |
| } |
| |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::Disconnect() { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD error = ERROR_SUCCESS; |
| error = WlanDisconnect_function_(client_, &interface_guid_, NULL); |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::SaveTempProfile(const std::string& network_guid) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD error = ERROR_SUCCESS; |
| base::string16 profile_name = ProfileNameFromGUID(network_guid); |
| // TODO(mef): WlanSaveTemporaryProfile is not available on XP. If XP support |
| // is needed, then different method of saving network profile will have to be |
| // used. |
| if (WlanSaveTemporaryProfile_function_) { |
| error = WlanSaveTemporaryProfile_function_(client_, |
| &interface_guid_, |
| profile_name.c_str(), |
| NULL, |
| WLAN_PROFILE_USER, |
| true, |
| NULL); |
| } else { |
| error = ERROR_NOT_SUPPORTED; |
| } |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::GetProfile(const std::string& network_guid, |
| bool get_plaintext_key, |
| std::string* profile_xml) { |
| if (client_ == NULL) { |
| NOTREACHED(); |
| return ERROR_NOINTERFACE; |
| } |
| |
| DWORD error = ERROR_SUCCESS; |
| base::string16 profile_name = ProfileNameFromGUID(network_guid); |
| DWORD flags = get_plaintext_key ? WLAN_PROFILE_GET_PLAINTEXT_KEY : 0; |
| LPWSTR str_profile_xml = NULL; |
| error = WlanGetProfile_function_(client_, |
| &interface_guid_, |
| profile_name.c_str(), |
| NULL, |
| &str_profile_xml, |
| &flags, |
| NULL); |
| |
| if (error == ERROR_SUCCESS && str_profile_xml != NULL) { |
| *profile_xml = base::UTF16ToUTF8(str_profile_xml); |
| } |
| // Clean up. |
| if (str_profile_xml != NULL) { |
| WlanFreeMemory_function_(str_profile_xml); |
| } |
| |
| return error; |
| } |
| |
| DWORD WiFiServiceImpl::SetProfile(bool shared, |
| const std::string& profile_xml, |
| bool overwrite) { |
| DWORD error_code = ERROR_SUCCESS; |
| |
| base::string16 profile_xml16(base::UTF8ToUTF16(profile_xml)); |
| DWORD reason_code = 0u; |
| |
| error_code = WlanSetProfile_function_(client_, |
| &interface_guid_, |
| shared ? 0 : WLAN_PROFILE_USER, |
| profile_xml16.c_str(), |
| NULL, |
| overwrite, |
| NULL, |
| &reason_code); |
| return error_code; |
| } |
| |
| bool WiFiServiceImpl::HaveProfile(const std::string& network_guid) { |
| std::string profile_xml; |
| return GetProfile(network_guid, false, &profile_xml) == ERROR_SUCCESS; |
| } |
| |
| |
| DWORD WiFiServiceImpl::DeleteCreatedProfile(const std::string& network_guid) { |
| base::DictionaryValue* created_profile = NULL; |
| DWORD error_code = ERROR_SUCCESS; |
| // Check, whether this connection is using new created profile, and remove it. |
| if (created_profiles_.GetDictionaryWithoutPathExpansion( |
| network_guid, &created_profile)) { |
| // Connection has failed, so delete it. |
| base::string16 profile_name = ProfileNameFromGUID(network_guid); |
| error_code = WlanDeleteProfile_function_(client_, |
| &interface_guid_, |
| profile_name.c_str(), |
| NULL); |
| created_profiles_.RemoveWithoutPathExpansion(network_guid, NULL); |
| } |
| return error_code; |
| } |
| |
| std::string WiFiServiceImpl::WpaEncryptionFromEncryptionType( |
| EncryptionType encryption_type) const { |
| if (encryption_type == kEncryptionTypeTKIP) |
| return kEncryptionTKIP; |
| return kEncryptionAES; |
| } |
| |
| bool WiFiServiceImpl::AuthEncryptionFromSecurity( |
| const std::string& security, |
| EncryptionType encryption_type, |
| std::string* authentication, |
| std::string* encryption, |
| std::string* key_type) const { |
| if (security == onc::wifi::kSecurityNone) { |
| *authentication = kAuthenticationOpen; |
| *encryption = kEncryptionNone; |
| } else if (security == onc::wifi::kWEP_PSK) { |
| *authentication = kAuthenticationOpen; |
| *encryption = kEncryptionWEP; |
| *key_type = kKeyTypeNetwork; |
| } else if (security == onc::wifi::kWPA_PSK) { |
| *authentication = kAuthenticationWpaPsk; |
| *encryption = WpaEncryptionFromEncryptionType(encryption_type); |
| *key_type = kKeyTypePassphrase; |
| } else if (security == onc::wifi::kWPA2_PSK) { |
| *authentication = kAuthenticationWpa2Psk; |
| *encryption = WpaEncryptionFromEncryptionType(encryption_type); |
| *key_type = kKeyTypePassphrase; |
| } else { |
| return false; |
| } |
| return true; |
| } |
| |
| bool WiFiServiceImpl::CreateProfile( |
| const NetworkProperties& network_properties, |
| EncryptionType encryption_type, |
| std::string* profile_xml) { |
| // Get authentication and encryption values from security. |
| std::string authentication; |
| std::string encryption; |
| std::string key_type; |
| bool valid = AuthEncryptionFromSecurity(network_properties.security, |
| encryption_type, |
| &authentication, |
| &encryption, |
| &key_type); |
| if (!valid) |
| return valid; |
| |
| // Generate profile XML. |
| XmlWriter xml_writer; |
| xml_writer.StartWriting(); |
| xml_writer.StartElement("WLANProfile"); |
| xml_writer.AddAttribute( |
| "xmlns", |
| "http://www.microsoft.com/networking/WLAN/profile/v1"); |
| xml_writer.WriteElement("name", network_properties.guid); |
| xml_writer.StartElement("SSIDConfig"); |
| xml_writer.StartElement("SSID"); |
| xml_writer.WriteElement("name", network_properties.ssid); |
| xml_writer.EndElement(); // Ends "SSID" element. |
| xml_writer.EndElement(); // Ends "SSIDConfig" element. |
| xml_writer.WriteElement("connectionType", "ESS"); |
| xml_writer.WriteElement("connectionMode", "manual"); |
| xml_writer.StartElement("MSM"); |
| xml_writer.StartElement("security"); |
| xml_writer.StartElement("authEncryption"); |
| xml_writer.WriteElement("authentication", authentication); |
| xml_writer.WriteElement("encryption", encryption); |
| xml_writer.WriteElement("useOneX", "false"); |
| xml_writer.EndElement(); // Ends "authEncryption" element. |
| if (!key_type.empty()) { |
| xml_writer.StartElement("sharedKey"); |
| xml_writer.WriteElement("keyType", key_type); |
| xml_writer.WriteElement("protected", "false"); |
| xml_writer.WriteElement("keyMaterial", network_properties.password); |
| xml_writer.EndElement(); // Ends "sharedKey" element. |
| } |
| xml_writer.EndElement(); // Ends "security" element. |
| xml_writer.EndElement(); // Ends "MSM" element. |
| xml_writer.EndElement(); // Ends "WLANProfile" element. |
| xml_writer.StopWriting(); |
| *profile_xml = xml_writer.GetWrittenString(); |
| |
| return true; |
| } |
| |
| void WiFiServiceImpl::NotifyNetworkListChanged(const NetworkList& networks) { |
| if (network_list_changed_observer_.is_null()) |
| return; |
| |
| NetworkGuidList current_networks; |
| for (NetworkList::const_iterator it = networks.begin(); |
| it != networks.end(); |
| ++it) { |
| current_networks.push_back(it->guid); |
| } |
| |
| message_loop_proxy_->PostTask( |
| FROM_HERE, |
| base::Bind(network_list_changed_observer_, current_networks)); |
| } |
| |
| void WiFiServiceImpl::NotifyNetworkChanged(const std::string& network_guid) { |
| if (enable_notify_network_changed_ && !networks_changed_observer_.is_null()) { |
| DVLOG(1) << "NotifyNetworkChanged: " << network_guid; |
| NetworkGuidList changed_networks(1, network_guid); |
| message_loop_proxy_->PostTask( |
| FROM_HERE, |
| base::Bind(networks_changed_observer_, changed_networks)); |
| } |
| } |
| |
| WiFiService* WiFiService::Create() { return new WiFiServiceImpl(); } |
| |
| } // namespace wifi |
