1 /* 2 * hidl interface for wpa_supplicant daemon 3 * Copyright (struct wpa_supplicant* wpa_s, c) 2004-2016, Jouni Malinen 4 * <j (at) w1.fi> 5 * Copyright (struct wpa_supplicant* wpa_s, c) 2004-2016, Roshan Pius 6 * <rpius (at) google.com> 7 * 8 * This software may be distributed under the terms of the BSD license. 9 * See README for more details. 10 */ 11 12 #include "hidl_manager.h" 13 #include "hidl_return_util.h" 14 #include "iface_config_utils.h" 15 16 namespace { 17 constexpr uint32_t kMaxWpsDeviceNameSize = WPS_DEV_NAME_MAX_LEN; 18 constexpr uint32_t kMaxWpsManufacturerSize = WPS_MANUFACTURER_MAX_LEN; 19 constexpr uint32_t kMaxWpsModelNameSize = WPS_MODEL_NAME_MAX_LEN; 20 constexpr uint32_t kMaxWpsModelNumberSize = WPS_MODEL_NUMBER_MAX_LEN; 21 constexpr uint32_t kMaxWpsSerialNumberSize = WPS_SERIAL_NUMBER_MAX_LEN; 22 23 void processConfigUpdate(struct wpa_supplicant* wpa_s, uint32_t changed_param) 24 { 25 wpa_s->conf->changed_parameters |= changed_param; 26 wpa_supplicant_update_config(wpa_s); 27 } 28 29 // Free any existing pointer stored in |dst| and store the provided string value 30 // there. 31 int freeAndSetStringConfigParam( 32 struct wpa_supplicant* wpa_s, const std::string& value, uint32_t max_size, 33 uint32_t changed_param, char** dst) 34 { 35 if (value.size() > max_size) { 36 return -1; 37 } 38 WPA_ASSERT(dst); 39 os_free(static_cast<void*>(*dst)); 40 *dst = os_strdup(value.c_str()); 41 processConfigUpdate(wpa_s, changed_param); 42 return 0; 43 } 44 45 std::string convertWpsConfigMethodsMaskToString(uint16_t config_methods) 46 { 47 using WpsConfigMethods = 48 android::hardware::wifi::supplicant::V1_0::WpsConfigMethods; 49 std::string config_methods_str; 50 for (const auto& flag_and_name : 51 {std::make_pair(WpsConfigMethods::USBA, "usba"), 52 {WpsConfigMethods::ETHERNET, "ethernet"}, 53 {WpsConfigMethods::LABEL, "label"}, 54 {WpsConfigMethods::DISPLAY, "display"}, 55 {WpsConfigMethods::INT_NFC_TOKEN, "int_nfc_token"}, 56 {WpsConfigMethods::EXT_NFC_TOKEN, "ext_nfc_token"}, 57 {WpsConfigMethods::NFC_INTERFACE, "nfc_interface"}, 58 {WpsConfigMethods::PUSHBUTTON, "push_button"}, 59 {WpsConfigMethods::KEYPAD, "keypad"}, 60 {WpsConfigMethods::VIRT_PUSHBUTTON, "virtual_push_button"}, 61 {WpsConfigMethods::PHY_PUSHBUTTON, "physical_push_button"}, 62 {WpsConfigMethods::P2PS, "p2ps"}, 63 {WpsConfigMethods::VIRT_DISPLAY, "virtual_display"}, 64 {WpsConfigMethods::PHY_DISPLAY, "physical_display"}}) { 65 const auto flag = 66 static_cast<std::underlying_type<WpsConfigMethods>::type>( 67 flag_and_name.first); 68 if ((config_methods & flag) == flag) { 69 config_methods_str += flag_and_name.second; 70 config_methods_str += " "; 71 } 72 } 73 return config_methods_str; 74 } 75 } // namespace 76 77 namespace android { 78 namespace hardware { 79 namespace wifi { 80 namespace supplicant { 81 namespace V1_0 { 82 namespace implementation { 83 namespace iface_config_utils { 84 SupplicantStatus setWpsDeviceName( 85 struct wpa_supplicant* wpa_s, const std::string& name) 86 { 87 WPA_ASSERT(wpa_s); 88 if (freeAndSetStringConfigParam( 89 wpa_s, name, kMaxWpsDeviceNameSize, CFG_CHANGED_DEVICE_NAME, 90 &wpa_s->conf->device_name)) { 91 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 92 } 93 return {SupplicantStatusCode::SUCCESS, ""}; 94 } 95 96 SupplicantStatus setWpsDeviceType( 97 struct wpa_supplicant* wpa_s, const std::array<uint8_t, 8>& type) 98 { 99 WPA_ASSERT(wpa_s); 100 WPA_ASSERT(type.size() == WPS_DEV_TYPE_LEN); 101 os_memcpy(wpa_s->conf->device_type, type.data(), WPS_DEV_TYPE_LEN); 102 processConfigUpdate(wpa_s, CFG_CHANGED_DEVICE_TYPE); 103 return {SupplicantStatusCode::SUCCESS, ""}; 104 } 105 106 SupplicantStatus setWpsManufacturer( 107 struct wpa_supplicant* wpa_s, const std::string& manufacturer) 108 { 109 WPA_ASSERT(wpa_s); 110 if (freeAndSetStringConfigParam( 111 wpa_s, manufacturer, kMaxWpsManufacturerSize, 112 CFG_CHANGED_WPS_STRING, &wpa_s->conf->manufacturer)) { 113 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 114 } 115 return {SupplicantStatusCode::SUCCESS, ""}; 116 } 117 118 SupplicantStatus setWpsModelName( 119 struct wpa_supplicant* wpa_s, const std::string& model_name) 120 { 121 WPA_ASSERT(wpa_s); 122 if (freeAndSetStringConfigParam( 123 wpa_s, model_name, kMaxWpsModelNameSize, CFG_CHANGED_WPS_STRING, 124 &wpa_s->conf->model_name)) { 125 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 126 } 127 return {SupplicantStatusCode::SUCCESS, ""}; 128 } 129 130 SupplicantStatus setWpsModelNumber( 131 struct wpa_supplicant* wpa_s, const std::string& model_number) 132 { 133 WPA_ASSERT(wpa_s); 134 if (freeAndSetStringConfigParam( 135 wpa_s, model_number, kMaxWpsModelNumberSize, 136 CFG_CHANGED_WPS_STRING, &wpa_s->conf->model_number)) { 137 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 138 } 139 return {SupplicantStatusCode::SUCCESS, ""}; 140 } 141 142 SupplicantStatus setWpsSerialNumber( 143 struct wpa_supplicant* wpa_s, const std::string& serial_number) 144 { 145 WPA_ASSERT(wpa_s); 146 if (freeAndSetStringConfigParam( 147 wpa_s, serial_number, kMaxWpsSerialNumberSize, 148 CFG_CHANGED_WPS_STRING, &wpa_s->conf->serial_number)) { 149 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 150 } 151 return {SupplicantStatusCode::SUCCESS, ""}; 152 } 153 154 SupplicantStatus setWpsConfigMethods( 155 struct wpa_supplicant* wpa_s, uint16_t config_methods) 156 { 157 WPA_ASSERT(wpa_s); 158 if (freeAndSetStringConfigParam( 159 wpa_s, convertWpsConfigMethodsMaskToString(config_methods), 160 UINT32_MAX, CFG_CHANGED_CONFIG_METHODS, 161 &wpa_s->conf->config_methods)) { 162 return {SupplicantStatusCode::FAILURE_ARGS_INVALID, ""}; 163 } 164 return {SupplicantStatusCode::SUCCESS, ""}; 165 } 166 167 SupplicantStatus setExternalSim( 168 struct wpa_supplicant* wpa_s, bool useExternalSim) 169 { 170 WPA_ASSERT(wpa_s); 171 wpa_s->conf->external_sim = useExternalSim ? 1 : 0; 172 return {SupplicantStatusCode::SUCCESS, ""}; 173 } 174 } // namespace iface_config_utils 175 } // namespace implementation 176 } // namespace V1_0 177 } // namespace wifi 178 } // namespace supplicant 179 } // namespace hardware 180 } // namespace android 181
