Peter Qiu | 326b6cf | 2015-09-02 11:11:42 -0700 | [diff] [blame] | 1 | // |
| 2 | // Copyright (C) 2014 The Android Open Source Project |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | // |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 16 | |
| 17 | #include "apmanager/config.h" |
| 18 | |
| 19 | #include <base/strings/stringprintf.h> |
| 20 | #include <chromeos/dbus/service_constants.h> |
| 21 | |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 22 | #include "apmanager/daemon.h" |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 23 | #include "apmanager/device.h" |
| 24 | #include "apmanager/manager.h" |
| 25 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 26 | using chromeos::dbus_utils::AsyncEventSequencer; |
| 27 | using chromeos::dbus_utils::ExportedObjectManager; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 28 | using chromeos::ErrorPtr; |
| 29 | using std::string; |
| 30 | |
| 31 | namespace apmanager { |
| 32 | |
| 33 | // static |
| 34 | const char Config::kHostapdConfigKeyBridgeInterface[] = "bridge"; |
| 35 | const char Config::kHostapdConfigKeyChannel[] = "channel"; |
| 36 | const char Config::kHostapdConfigKeyControlInterface[] = "ctrl_interface"; |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 37 | const char Config::kHostapdConfigKeyControlInterfaceGroup[] = |
| 38 | "ctrl_interface_group"; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 39 | const char Config::kHostapdConfigKeyDriver[] = "driver"; |
| 40 | const char Config::kHostapdConfigKeyFragmThreshold[] = "fragm_threshold"; |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 41 | const char Config::kHostapdConfigKeyHTCapability[] = "ht_capab"; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 42 | const char Config::kHostapdConfigKeyHwMode[] = "hw_mode"; |
| 43 | const char Config::kHostapdConfigKeyIeee80211ac[] = "ieee80211ac"; |
| 44 | const char Config::kHostapdConfigKeyIeee80211n[] = "ieee80211n"; |
| 45 | const char Config::kHostapdConfigKeyIgnoreBroadcastSsid[] = |
| 46 | "ignore_broadcast_ssid"; |
| 47 | const char Config::kHostapdConfigKeyInterface[] = "interface"; |
| 48 | const char Config::kHostapdConfigKeyRsnPairwise[] = "rsn_pairwise"; |
| 49 | const char Config::kHostapdConfigKeyRtsThreshold[] = "rts_threshold"; |
| 50 | const char Config::kHostapdConfigKeySsid[] = "ssid"; |
| 51 | const char Config::kHostapdConfigKeyWepDefaultKey[] = "wep_default_key"; |
| 52 | const char Config::kHostapdConfigKeyWepKey0[] = "wep_key0"; |
| 53 | const char Config::kHostapdConfigKeyWpa[] = "wpa"; |
| 54 | const char Config::kHostapdConfigKeyWpaKeyMgmt[] = "wpa_key_mgmt"; |
| 55 | const char Config::kHostapdConfigKeyWpaPassphrase[] = "wpa_passphrase"; |
| 56 | |
| 57 | const char Config::kHostapdHwMode80211a[] = "a"; |
| 58 | const char Config::kHostapdHwMode80211b[] = "b"; |
| 59 | const char Config::kHostapdHwMode80211g[] = "g"; |
| 60 | |
| 61 | // static |
| 62 | const uint16_t Config::kPropertyDefaultChannel = 6; |
| 63 | const uint16_t Config::kPropertyDefaultServerAddressIndex = 0; |
| 64 | const bool Config::kPropertyDefaultHiddenNetwork = false; |
| 65 | |
| 66 | // static |
| 67 | const char Config::kHostapdDefaultDriver[] = "nl80211"; |
| 68 | const char Config::kHostapdDefaultRsnPairwise[] = "CCMP"; |
| 69 | const char Config::kHostapdDefaultWpaKeyMgmt[] = "WPA-PSK"; |
| 70 | // Fragmentation threshold: disabled. |
| 71 | const int Config::kHostapdDefaultFragmThreshold = 2346; |
| 72 | // RTS threshold: disabled. |
| 73 | const int Config::kHostapdDefaultRtsThreshold = 2347; |
| 74 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 75 | // static |
| 76 | const uint16_t Config::kBand24GHzChannelLow = 1; |
| 77 | const uint16_t Config::kBand24GHzChannelHigh = 13; |
| 78 | const uint32_t Config::kBand24GHzBaseFrequency = 2412; |
| 79 | const uint16_t Config::kBand5GHzChannelLow = 34; |
| 80 | const uint16_t Config::kBand5GHzChannelHigh = 165; |
| 81 | const uint16_t Config::kBand5GHzBaseFrequency = 5170; |
| 82 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 83 | // static |
| 84 | const int Config::kSsidMinLength = 1; |
| 85 | const int Config::kSsidMaxLength = 32; |
| 86 | const int Config::kPassphraseMinLength = 8; |
| 87 | const int Config::kPassphraseMaxLength = 63; |
| 88 | |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 89 | Config::Config(Manager* manager, const string& service_path) |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 90 | : org::chromium::apmanager::ConfigAdaptor(this), |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 91 | manager_(manager), |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 92 | dbus_path_(dbus::ObjectPath( |
| 93 | base::StringPrintf("%s/config", service_path.c_str()))) { |
| 94 | // Initialize default configuration values. |
| 95 | SetSecurityMode(kSecurityModeNone); |
| 96 | SetHwMode(kHwMode80211g); |
| 97 | SetOperationMode(kOperationModeServer); |
| 98 | SetServerAddressIndex(kPropertyDefaultServerAddressIndex); |
| 99 | SetChannel(kPropertyDefaultChannel); |
| 100 | SetHiddenNetwork(kPropertyDefaultHiddenNetwork); |
Peter Qiu | 0ca183b | 2015-03-09 13:41:06 -0700 | [diff] [blame] | 101 | SetFullDeviceControl(true); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | Config::~Config() {} |
| 105 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 106 | // static. |
| 107 | bool Config::GetFrequencyFromChannel(uint16_t channel, uint32_t* freq) { |
| 108 | bool ret_value = true; |
| 109 | if (channel >= kBand24GHzChannelLow && channel <= kBand24GHzChannelHigh) { |
| 110 | *freq = kBand24GHzBaseFrequency + (channel - kBand24GHzChannelLow) * 5; |
| 111 | } else if (channel >= kBand5GHzChannelLow && |
| 112 | channel <= kBand5GHzChannelHigh) { |
| 113 | *freq = kBand5GHzBaseFrequency + (channel - kBand5GHzChannelLow) * 5; |
| 114 | } else { |
| 115 | ret_value = false; |
| 116 | } |
| 117 | return ret_value; |
| 118 | } |
| 119 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 120 | bool Config::ValidateSsid(ErrorPtr* error, const string& value) { |
| 121 | if (value.length() < kSsidMinLength || value.length() > kSsidMaxLength) { |
| 122 | chromeos::Error::AddToPrintf( |
| 123 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 124 | "SSID must contain between %d and %d characters", |
| 125 | kSsidMinLength, kSsidMaxLength); |
| 126 | return false; |
| 127 | } |
Peter Qiu | bf8e36c | 2014-12-03 22:59:45 -0800 | [diff] [blame] | 128 | return true; |
| 129 | } |
| 130 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 131 | bool Config::ValidateSecurityMode(ErrorPtr* error, const string& value) { |
| 132 | if (value != kSecurityModeNone && value != kSecurityModeRSN) { |
| 133 | chromeos::Error::AddToPrintf( |
| 134 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 135 | "Invalid/unsupported security mode [%s]", value.c_str()); |
| 136 | return false; |
| 137 | } |
| 138 | return true; |
| 139 | } |
| 140 | |
| 141 | bool Config::ValidatePassphrase(ErrorPtr* error, const string& value) { |
| 142 | if (value.length() < kPassphraseMinLength || |
| 143 | value.length() > kPassphraseMaxLength) { |
| 144 | chromeos::Error::AddToPrintf( |
| 145 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 146 | "Passphrase must contain between %d and %d characters", |
| 147 | kPassphraseMinLength, kPassphraseMaxLength); |
| 148 | return false; |
| 149 | } |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | bool Config::ValidateHwMode(ErrorPtr* error, const string& value) { |
| 154 | if (value != kHwMode80211a && value != kHwMode80211b && |
| 155 | value != kHwMode80211g && value != kHwMode80211n && |
| 156 | value != kHwMode80211ac) { |
| 157 | chromeos::Error::AddToPrintf( |
| 158 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 159 | "Invalid HW mode [%s]", value.c_str()); |
| 160 | return false; |
| 161 | } |
| 162 | return true; |
| 163 | } |
| 164 | |
| 165 | bool Config::ValidateOperationMode(ErrorPtr* error, const string& value) { |
| 166 | if (value != kOperationModeServer && value != kOperationModeBridge) { |
| 167 | chromeos::Error::AddToPrintf( |
| 168 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 169 | "Invalid operation mode [%s]", value.c_str()); |
| 170 | return false; |
| 171 | } |
| 172 | return true; |
| 173 | } |
| 174 | |
| 175 | bool Config::ValidateChannel(ErrorPtr* error, const uint16_t& value) { |
| 176 | if ((value >= kBand24GHzChannelLow && value <= kBand24GHzChannelHigh) || |
| 177 | (value >= kBand5GHzChannelLow && value <= kBand5GHzChannelHigh)) { |
| 178 | return true; |
| 179 | } |
| 180 | chromeos::Error::AddToPrintf( |
| 181 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 182 | "Invalid channel [%d]", value); |
| 183 | return false; |
| 184 | } |
| 185 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 186 | void Config::RegisterAsync(ExportedObjectManager* object_manager, |
Peter Qiu | c9ce1f1 | 2014-12-05 11:14:29 -0800 | [diff] [blame] | 187 | const scoped_refptr<dbus::Bus>& bus, |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 188 | AsyncEventSequencer* sequencer) { |
| 189 | CHECK(!dbus_object_) << "Already registered"; |
| 190 | dbus_object_.reset( |
| 191 | new chromeos::dbus_utils::DBusObject( |
| 192 | object_manager, |
Peter Qiu | c9ce1f1 | 2014-12-05 11:14:29 -0800 | [diff] [blame] | 193 | bus, |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 194 | dbus_path_)); |
| 195 | RegisterWithDBusObject(dbus_object_.get()); |
| 196 | dbus_object_->RegisterAsync( |
| 197 | sequencer->GetHandler("Config.RegisterAsync() failed.", true)); |
| 198 | } |
| 199 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 200 | bool Config::GenerateConfigFile(ErrorPtr* error, string* config_str) { |
| 201 | // SSID. |
| 202 | string ssid = GetSsid(); |
| 203 | if (ssid.empty()) { |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 204 | chromeos::Error::AddTo( |
| 205 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 206 | "SSID not specified"); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 207 | return false; |
| 208 | } |
| 209 | base::StringAppendF( |
| 210 | config_str, "%s=%s\n", kHostapdConfigKeySsid, ssid.c_str()); |
| 211 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 212 | // Bridge interface is required for bridge mode operation. |
| 213 | if (GetOperationMode() == kOperationModeBridge) { |
| 214 | if (GetBridgeInterface().empty()) { |
| 215 | chromeos::Error::AddTo( |
| 216 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 217 | "Bridge interface not specified, required for bridge mode"); |
| 218 | return false; |
| 219 | } |
| 220 | base::StringAppendF(config_str, |
| 221 | "%s=%s\n", |
| 222 | kHostapdConfigKeyBridgeInterface, |
| 223 | GetBridgeInterface().c_str()); |
| 224 | } |
| 225 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 226 | // Channel. |
| 227 | base::StringAppendF( |
| 228 | config_str, "%s=%d\n", kHostapdConfigKeyChannel, GetChannel()); |
| 229 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 230 | // Interface. |
| 231 | if (!AppendInterface(error, config_str)) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 232 | return false; |
| 233 | } |
| 234 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 235 | // Hardware mode. |
| 236 | if (!AppendHwMode(error, config_str)) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 237 | return false; |
| 238 | } |
| 239 | |
| 240 | // Security mode configurations. |
| 241 | if (!AppendSecurityMode(error, config_str)) { |
| 242 | return false; |
| 243 | } |
| 244 | |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 245 | // Control interface. |
| 246 | if (!control_interface_.empty()) { |
| 247 | base::StringAppendF(config_str, |
| 248 | "%s=%s\n", |
| 249 | kHostapdConfigKeyControlInterface, |
| 250 | control_interface_.c_str()); |
| 251 | base::StringAppendF(config_str, |
| 252 | "%s=%s\n", |
| 253 | kHostapdConfigKeyControlInterfaceGroup, |
| 254 | Daemon::kAPManagerGroupName); |
| 255 | } |
| 256 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 257 | // Hostapd default configurations. |
| 258 | if (!AppendHostapdDefaults(error, config_str)) { |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | return true; |
| 263 | } |
| 264 | |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 265 | bool Config::ClaimDevice() { |
| 266 | if (!device_) { |
| 267 | LOG(ERROR) << "Failed to claim device: device doesn't exist."; |
| 268 | return false; |
| 269 | } |
Peter Qiu | 0ca183b | 2015-03-09 13:41:06 -0700 | [diff] [blame] | 270 | return device_->ClaimDevice(GetFullDeviceControl()); |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | bool Config::ReleaseDevice() { |
| 274 | if (!device_) { |
| 275 | LOG(ERROR) << "Failed to release device: device doesn't exist."; |
| 276 | return false; |
| 277 | } |
| 278 | return device_->ReleaseDevice(); |
| 279 | } |
| 280 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 281 | bool Config::AppendHwMode(ErrorPtr* error, std::string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 282 | string hw_mode = GetHwMode(); |
| 283 | string hostapd_hw_mode; |
| 284 | if (hw_mode == kHwMode80211a) { |
| 285 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 286 | } else if (hw_mode == kHwMode80211b) { |
| 287 | hostapd_hw_mode = kHostapdHwMode80211b; |
| 288 | } else if (hw_mode == kHwMode80211g) { |
| 289 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 290 | } else if (hw_mode == kHwMode80211n) { |
| 291 | // Use 802.11a for 5GHz channel and 802.11g for 2.4GHz channel |
| 292 | if (GetChannel() >= 34) { |
| 293 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 294 | } else { |
| 295 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 296 | } |
| 297 | base::StringAppendF(config_str, "%s=1\n", kHostapdConfigKeyIeee80211n); |
| 298 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 299 | // Get HT Capability. |
| 300 | string ht_cap; |
| 301 | if (!device_->GetHTCapability(GetChannel(), &ht_cap)) { |
| 302 | chromeos::Error::AddTo( |
| 303 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 304 | "Failed to get HT Capability"); |
| 305 | return false; |
| 306 | } |
| 307 | base::StringAppendF(config_str, "%s=%s\n", |
| 308 | kHostapdConfigKeyHTCapability, |
| 309 | ht_cap.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 310 | } else if (hw_mode == kHwMode80211ac) { |
| 311 | if (GetChannel() >= 34) { |
| 312 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 313 | } else { |
| 314 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 315 | } |
| 316 | base::StringAppendF(config_str, "%s=1\n", kHostapdConfigKeyIeee80211ac); |
| 317 | |
| 318 | // TODO(zqiu): Determine VHT Capabilities based on the interface PHY's |
| 319 | // capababilites. |
| 320 | } else { |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 321 | chromeos::Error::AddToPrintf( |
| 322 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 323 | "Invalid hardware mode: %s", hw_mode.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 324 | return false; |
| 325 | } |
| 326 | |
| 327 | base::StringAppendF( |
| 328 | config_str, "%s=%s\n", kHostapdConfigKeyHwMode, hostapd_hw_mode.c_str()); |
| 329 | return true; |
| 330 | } |
| 331 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 332 | bool Config::AppendHostapdDefaults(ErrorPtr* error, |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 333 | std::string* config_str) { |
| 334 | // Driver: NL80211. |
| 335 | base::StringAppendF( |
| 336 | config_str, "%s=%s\n", kHostapdConfigKeyDriver, kHostapdDefaultDriver); |
| 337 | |
| 338 | // Fragmentation threshold: disabled. |
| 339 | base::StringAppendF(config_str, |
| 340 | "%s=%d\n", |
| 341 | kHostapdConfigKeyFragmThreshold, |
| 342 | kHostapdDefaultFragmThreshold); |
| 343 | |
| 344 | // RTS threshold: disabled. |
| 345 | base::StringAppendF(config_str, |
| 346 | "%s=%d\n", |
| 347 | kHostapdConfigKeyRtsThreshold, |
| 348 | kHostapdDefaultRtsThreshold); |
| 349 | |
| 350 | return true; |
| 351 | } |
| 352 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 353 | bool Config::AppendInterface(ErrorPtr* error, |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 354 | std::string* config_str) { |
| 355 | string interface = GetInterfaceName(); |
| 356 | if (interface.empty()) { |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 357 | // Ask manager for unused ap capable device. |
| 358 | device_ = manager_->GetAvailableDevice(); |
| 359 | if (!device_) { |
| 360 | chromeos::Error::AddTo( |
| 361 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 362 | "No device available"); |
| 363 | return false; |
| 364 | } |
| 365 | } else { |
| 366 | device_ = manager_->GetDeviceFromInterfaceName(interface); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 367 | if (!device_) { |
| 368 | chromeos::Error::AddToPrintf( |
| 369 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 370 | "Unable to find device for the specified interface [%s]", |
| 371 | interface.c_str()); |
| 372 | return false; |
| 373 | } |
Garret Kelly | 0c0e9e7 | 2015-09-01 17:28:01 -0400 | [diff] [blame^] | 374 | if (device_->GetInUse()) { |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 375 | chromeos::Error::AddToPrintf( |
| 376 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 377 | "Device [%s] for interface [%s] already in use", |
| 378 | device_->GetDeviceName().c_str(), |
| 379 | interface.c_str()); |
| 380 | return false; |
| 381 | } |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 382 | } |
| 383 | |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 384 | // Use the preferred AP interface from the device. |
Peter Qiu | bf8e36c | 2014-12-03 22:59:45 -0800 | [diff] [blame] | 385 | selected_interface_ = device_->GetPreferredApInterface(); |
| 386 | base::StringAppendF(config_str, |
| 387 | "%s=%s\n", |
| 388 | kHostapdConfigKeyInterface, |
| 389 | selected_interface_.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 390 | return true; |
| 391 | } |
| 392 | |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 393 | bool Config::AppendSecurityMode(ErrorPtr* error, |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 394 | std::string* config_str) { |
| 395 | string security_mode = GetSecurityMode(); |
| 396 | if (security_mode == kSecurityModeNone) { |
| 397 | // Nothing need to be done for open network. |
| 398 | return true; |
| 399 | } |
| 400 | |
| 401 | if (security_mode == kSecurityModeRSN) { |
| 402 | string passphrase = GetPassphrase(); |
| 403 | if (passphrase.empty()) { |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 404 | chromeos::Error::AddToPrintf( |
| 405 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 406 | "Passphrase not set for security mode: %s", security_mode.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 407 | return false; |
| 408 | } |
| 409 | |
| 410 | base::StringAppendF(config_str, "%s=2\n", kHostapdConfigKeyWpa); |
| 411 | base::StringAppendF(config_str, |
| 412 | "%s=%s\n", |
| 413 | kHostapdConfigKeyRsnPairwise, |
| 414 | kHostapdDefaultRsnPairwise); |
| 415 | base::StringAppendF(config_str, |
| 416 | "%s=%s\n", |
| 417 | kHostapdConfigKeyWpaKeyMgmt, |
| 418 | kHostapdDefaultWpaKeyMgmt); |
| 419 | base::StringAppendF(config_str, |
| 420 | "%s=%s\n", |
| 421 | kHostapdConfigKeyWpaPassphrase, |
| 422 | passphrase.c_str()); |
| 423 | return true; |
| 424 | } |
| 425 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 426 | chromeos::Error::AddToPrintf( |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 427 | error, FROM_HERE, chromeos::errors::dbus::kDomain, kConfigError, |
| 428 | "Invalid security mode: %s", security_mode.c_str()); |
| 429 | return false; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | } // namespace apmanager |