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> |
Peter Qiu | 7a420d3 | 2015-09-22 11:25:15 -0700 | [diff] [blame] | 20 | |
| 21 | #if !defined(__ANDROID__) |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 22 | #include <chromeos/dbus/service_constants.h> |
Peter Qiu | 7a420d3 | 2015-09-22 11:25:15 -0700 | [diff] [blame] | 23 | #else |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 24 | #include <dbus/apmanager/dbus-constants.h> |
Peter Qiu | 7a420d3 | 2015-09-22 11:25:15 -0700 | [diff] [blame] | 25 | #endif // __ANDROID__ |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 26 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 27 | #include "apmanager/error.h" |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 28 | #include "apmanager/daemon.h" |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 29 | #include "apmanager/device.h" |
| 30 | #include "apmanager/manager.h" |
| 31 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 32 | using std::string; |
| 33 | |
| 34 | namespace apmanager { |
| 35 | |
| 36 | // static |
| 37 | const char Config::kHostapdConfigKeyBridgeInterface[] = "bridge"; |
| 38 | const char Config::kHostapdConfigKeyChannel[] = "channel"; |
| 39 | const char Config::kHostapdConfigKeyControlInterface[] = "ctrl_interface"; |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 40 | const char Config::kHostapdConfigKeyControlInterfaceGroup[] = |
| 41 | "ctrl_interface_group"; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 42 | const char Config::kHostapdConfigKeyDriver[] = "driver"; |
| 43 | const char Config::kHostapdConfigKeyFragmThreshold[] = "fragm_threshold"; |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 44 | const char Config::kHostapdConfigKeyHTCapability[] = "ht_capab"; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 45 | const char Config::kHostapdConfigKeyHwMode[] = "hw_mode"; |
| 46 | const char Config::kHostapdConfigKeyIeee80211ac[] = "ieee80211ac"; |
| 47 | const char Config::kHostapdConfigKeyIeee80211n[] = "ieee80211n"; |
| 48 | const char Config::kHostapdConfigKeyIgnoreBroadcastSsid[] = |
| 49 | "ignore_broadcast_ssid"; |
| 50 | const char Config::kHostapdConfigKeyInterface[] = "interface"; |
| 51 | const char Config::kHostapdConfigKeyRsnPairwise[] = "rsn_pairwise"; |
| 52 | const char Config::kHostapdConfigKeyRtsThreshold[] = "rts_threshold"; |
| 53 | const char Config::kHostapdConfigKeySsid[] = "ssid"; |
| 54 | const char Config::kHostapdConfigKeyWepDefaultKey[] = "wep_default_key"; |
| 55 | const char Config::kHostapdConfigKeyWepKey0[] = "wep_key0"; |
| 56 | const char Config::kHostapdConfigKeyWpa[] = "wpa"; |
| 57 | const char Config::kHostapdConfigKeyWpaKeyMgmt[] = "wpa_key_mgmt"; |
| 58 | const char Config::kHostapdConfigKeyWpaPassphrase[] = "wpa_passphrase"; |
| 59 | |
| 60 | const char Config::kHostapdHwMode80211a[] = "a"; |
| 61 | const char Config::kHostapdHwMode80211b[] = "b"; |
| 62 | const char Config::kHostapdHwMode80211g[] = "g"; |
| 63 | |
| 64 | // static |
| 65 | const uint16_t Config::kPropertyDefaultChannel = 6; |
| 66 | const uint16_t Config::kPropertyDefaultServerAddressIndex = 0; |
| 67 | const bool Config::kPropertyDefaultHiddenNetwork = false; |
| 68 | |
| 69 | // static |
| 70 | const char Config::kHostapdDefaultDriver[] = "nl80211"; |
| 71 | const char Config::kHostapdDefaultRsnPairwise[] = "CCMP"; |
| 72 | const char Config::kHostapdDefaultWpaKeyMgmt[] = "WPA-PSK"; |
| 73 | // Fragmentation threshold: disabled. |
| 74 | const int Config::kHostapdDefaultFragmThreshold = 2346; |
| 75 | // RTS threshold: disabled. |
| 76 | const int Config::kHostapdDefaultRtsThreshold = 2347; |
| 77 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 78 | // static |
| 79 | const uint16_t Config::kBand24GHzChannelLow = 1; |
| 80 | const uint16_t Config::kBand24GHzChannelHigh = 13; |
| 81 | const uint32_t Config::kBand24GHzBaseFrequency = 2412; |
| 82 | const uint16_t Config::kBand5GHzChannelLow = 34; |
| 83 | const uint16_t Config::kBand5GHzChannelHigh = 165; |
| 84 | const uint16_t Config::kBand5GHzBaseFrequency = 5170; |
| 85 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 86 | // static |
| 87 | const int Config::kSsidMinLength = 1; |
| 88 | const int Config::kSsidMaxLength = 32; |
| 89 | const int Config::kPassphraseMinLength = 8; |
| 90 | const int Config::kPassphraseMaxLength = 63; |
| 91 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 92 | Config::Config(Manager* manager, int service_identifier) |
| 93 | : manager_(manager), |
| 94 | adaptor_( |
| 95 | manager->control_interface()->CreateConfigAdaptor( |
| 96 | this, service_identifier)) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 97 | // Initialize default configuration values. |
| 98 | SetSecurityMode(kSecurityModeNone); |
| 99 | SetHwMode(kHwMode80211g); |
| 100 | SetOperationMode(kOperationModeServer); |
| 101 | SetServerAddressIndex(kPropertyDefaultServerAddressIndex); |
| 102 | SetChannel(kPropertyDefaultChannel); |
| 103 | SetHiddenNetwork(kPropertyDefaultHiddenNetwork); |
Peter Qiu | 0ca183b | 2015-03-09 13:41:06 -0700 | [diff] [blame] | 104 | SetFullDeviceControl(true); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | Config::~Config() {} |
| 108 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 109 | // static. |
| 110 | bool Config::GetFrequencyFromChannel(uint16_t channel, uint32_t* freq) { |
| 111 | bool ret_value = true; |
| 112 | if (channel >= kBand24GHzChannelLow && channel <= kBand24GHzChannelHigh) { |
| 113 | *freq = kBand24GHzBaseFrequency + (channel - kBand24GHzChannelLow) * 5; |
| 114 | } else if (channel >= kBand5GHzChannelLow && |
| 115 | channel <= kBand5GHzChannelHigh) { |
| 116 | *freq = kBand5GHzBaseFrequency + (channel - kBand5GHzChannelLow) * 5; |
| 117 | } else { |
| 118 | ret_value = false; |
| 119 | } |
| 120 | return ret_value; |
| 121 | } |
| 122 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 123 | bool Config::ValidateSsid(Error* error, const string& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 124 | if (value.length() < kSsidMinLength || value.length() > kSsidMaxLength) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 125 | Error::PopulateAndLog( |
| 126 | error, |
| 127 | Error::kInvalidArguments, |
| 128 | base::StringPrintf("SSID must contain between %d and %d characters", |
| 129 | kSsidMinLength, kSsidMaxLength), |
| 130 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 131 | return false; |
| 132 | } |
Peter Qiu | bf8e36c | 2014-12-03 22:59:45 -0800 | [diff] [blame] | 133 | return true; |
| 134 | } |
| 135 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 136 | bool Config::ValidateSecurityMode(Error* error, const string& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 137 | if (value != kSecurityModeNone && value != kSecurityModeRSN) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 138 | Error::PopulateAndLog( |
| 139 | error, |
| 140 | Error::kInvalidArguments, |
| 141 | base::StringPrintf("Invalid/unsupported security mode [%s]", |
| 142 | value.c_str()), |
| 143 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 144 | return false; |
| 145 | } |
| 146 | return true; |
| 147 | } |
| 148 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 149 | bool Config::ValidatePassphrase(Error* error, const string& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 150 | if (value.length() < kPassphraseMinLength || |
| 151 | value.length() > kPassphraseMaxLength) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 152 | Error::PopulateAndLog( |
| 153 | error, |
| 154 | Error::kInvalidArguments, |
| 155 | base::StringPrintf("Passphrase must contain between %d and %d characters", |
| 156 | kPassphraseMinLength, kPassphraseMaxLength), |
| 157 | FROM_HERE); |
| 158 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 159 | return false; |
| 160 | } |
| 161 | return true; |
| 162 | } |
| 163 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 164 | bool Config::ValidateHwMode(Error* error, const string& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 165 | if (value != kHwMode80211a && value != kHwMode80211b && |
| 166 | value != kHwMode80211g && value != kHwMode80211n && |
| 167 | value != kHwMode80211ac) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 168 | Error::PopulateAndLog( |
| 169 | error, |
| 170 | Error::kInvalidArguments, |
| 171 | base::StringPrintf("Invalid HW mode [%s]", value.c_str()), |
| 172 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 173 | return false; |
| 174 | } |
| 175 | return true; |
| 176 | } |
| 177 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 178 | bool Config::ValidateOperationMode(Error* error, const string& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 179 | if (value != kOperationModeServer && value != kOperationModeBridge) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 180 | Error::PopulateAndLog( |
| 181 | error, |
| 182 | Error::kInvalidArguments, |
| 183 | base::StringPrintf("Invalid operation mode [%s]", value.c_str()), |
| 184 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 185 | return false; |
| 186 | } |
| 187 | return true; |
| 188 | } |
| 189 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 190 | bool Config::ValidateChannel(Error* error, const uint16_t& value) { |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 191 | if ((value >= kBand24GHzChannelLow && value <= kBand24GHzChannelHigh) || |
| 192 | (value >= kBand5GHzChannelLow && value <= kBand5GHzChannelHigh)) { |
| 193 | return true; |
| 194 | } |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 195 | Error::PopulateAndLog(error, |
| 196 | Error::kInvalidArguments, |
| 197 | base::StringPrintf("Invalid channel [%d]", value), |
| 198 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 199 | return false; |
| 200 | } |
| 201 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 202 | bool Config::GenerateConfigFile(Error* error, string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 203 | // SSID. |
| 204 | string ssid = GetSsid(); |
| 205 | if (ssid.empty()) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 206 | Error::PopulateAndLog(error, |
| 207 | Error::kInvalidConfiguration, |
| 208 | "SSID not specified", |
| 209 | FROM_HERE); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 210 | return false; |
| 211 | } |
| 212 | base::StringAppendF( |
| 213 | config_str, "%s=%s\n", kHostapdConfigKeySsid, ssid.c_str()); |
| 214 | |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 215 | // Bridge interface is required for bridge mode operation. |
| 216 | if (GetOperationMode() == kOperationModeBridge) { |
| 217 | if (GetBridgeInterface().empty()) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 218 | Error::PopulateAndLog( |
| 219 | error, |
| 220 | Error::kInvalidConfiguration, |
| 221 | "Bridge interface not specified, required for bridge mode", |
| 222 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 223 | return false; |
| 224 | } |
| 225 | base::StringAppendF(config_str, |
| 226 | "%s=%s\n", |
| 227 | kHostapdConfigKeyBridgeInterface, |
| 228 | GetBridgeInterface().c_str()); |
| 229 | } |
| 230 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 231 | // Channel. |
| 232 | base::StringAppendF( |
| 233 | config_str, "%s=%d\n", kHostapdConfigKeyChannel, GetChannel()); |
| 234 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 235 | // Interface. |
| 236 | if (!AppendInterface(error, config_str)) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 237 | return false; |
| 238 | } |
| 239 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 240 | // Hardware mode. |
| 241 | if (!AppendHwMode(error, config_str)) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 242 | return false; |
| 243 | } |
| 244 | |
| 245 | // Security mode configurations. |
| 246 | if (!AppendSecurityMode(error, config_str)) { |
| 247 | return false; |
| 248 | } |
| 249 | |
Peter Qiu | bfd410e | 2015-01-09 15:14:20 -0800 | [diff] [blame] | 250 | // Control interface. |
| 251 | if (!control_interface_.empty()) { |
| 252 | base::StringAppendF(config_str, |
| 253 | "%s=%s\n", |
| 254 | kHostapdConfigKeyControlInterface, |
| 255 | control_interface_.c_str()); |
| 256 | base::StringAppendF(config_str, |
| 257 | "%s=%s\n", |
| 258 | kHostapdConfigKeyControlInterfaceGroup, |
| 259 | Daemon::kAPManagerGroupName); |
| 260 | } |
| 261 | |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 262 | // Hostapd default configurations. |
| 263 | if (!AppendHostapdDefaults(error, config_str)) { |
| 264 | return false; |
| 265 | } |
| 266 | |
| 267 | return true; |
| 268 | } |
| 269 | |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 270 | bool Config::ClaimDevice() { |
| 271 | if (!device_) { |
| 272 | LOG(ERROR) << "Failed to claim device: device doesn't exist."; |
| 273 | return false; |
| 274 | } |
Peter Qiu | 0ca183b | 2015-03-09 13:41:06 -0700 | [diff] [blame] | 275 | return device_->ClaimDevice(GetFullDeviceControl()); |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | bool Config::ReleaseDevice() { |
| 279 | if (!device_) { |
| 280 | LOG(ERROR) << "Failed to release device: device doesn't exist."; |
| 281 | return false; |
| 282 | } |
| 283 | return device_->ReleaseDevice(); |
| 284 | } |
| 285 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 286 | void Config::SetSsid(const string& ssid) { |
| 287 | adaptor_->SetSsid(ssid); |
| 288 | } |
| 289 | |
| 290 | string Config::GetSsid() const { |
| 291 | return adaptor_->GetSsid(); |
| 292 | } |
| 293 | |
| 294 | void Config::SetInterfaceName(const std::string& interface_name) { |
| 295 | adaptor_->SetInterfaceName(interface_name); |
| 296 | } |
| 297 | |
| 298 | string Config::GetInterfaceName() const { |
| 299 | return adaptor_->GetInterfaceName(); |
| 300 | } |
| 301 | |
| 302 | void Config::SetSecurityMode(const std::string& mode) { |
| 303 | adaptor_->SetSecurityMode(mode); |
| 304 | } |
| 305 | |
| 306 | string Config::GetSecurityMode() const { |
| 307 | return adaptor_->GetSecurityMode(); |
| 308 | } |
| 309 | |
| 310 | void Config::SetPassphrase(const std::string& passphrase) { |
| 311 | adaptor_->SetPassphrase(passphrase); |
| 312 | } |
| 313 | |
| 314 | string Config::GetPassphrase() const { |
| 315 | return adaptor_->GetPassphrase(); |
| 316 | } |
| 317 | |
| 318 | void Config::SetHwMode(const std::string& hw_mode) { |
| 319 | adaptor_->SetHwMode(hw_mode); |
| 320 | } |
| 321 | |
| 322 | string Config::GetHwMode() const { |
| 323 | return adaptor_->GetHwMode(); |
| 324 | } |
| 325 | |
| 326 | void Config::SetOperationMode(const std::string& op_mode) { |
| 327 | adaptor_->SetOperationMode(op_mode); |
| 328 | } |
| 329 | |
| 330 | string Config::GetOperationMode() const { |
| 331 | return adaptor_->GetOperationMode(); |
| 332 | } |
| 333 | |
| 334 | void Config::SetChannel(uint16_t channel) { |
| 335 | adaptor_->SetChannel(channel); |
| 336 | } |
| 337 | |
| 338 | uint16_t Config::GetChannel() const { |
| 339 | return adaptor_->GetChannel(); |
| 340 | } |
| 341 | |
| 342 | void Config::SetHiddenNetwork(bool hidden_network) { |
| 343 | adaptor_->SetHiddenNetwork(hidden_network); |
| 344 | } |
| 345 | |
| 346 | bool Config::GetHiddenNetwork() const { |
| 347 | return adaptor_->GetHiddenNetwork(); |
| 348 | } |
| 349 | |
| 350 | void Config::SetBridgeInterface(const std::string& interface_name) { |
| 351 | adaptor_->SetBridgeInterface(interface_name); |
| 352 | } |
| 353 | |
| 354 | string Config::GetBridgeInterface() const { |
| 355 | return adaptor_->GetBridgeInterface(); |
| 356 | } |
| 357 | |
| 358 | void Config::SetServerAddressIndex(uint16_t index) { |
| 359 | adaptor_->SetServerAddressIndex(index); |
| 360 | } |
| 361 | |
| 362 | uint16_t Config::GetServerAddressIndex() const { |
| 363 | return adaptor_->GetServerAddressIndex(); |
| 364 | } |
| 365 | |
| 366 | void Config::SetFullDeviceControl(bool full_control) { |
| 367 | adaptor_->SetFullDeviceControl(full_control); |
| 368 | } |
| 369 | |
| 370 | bool Config::GetFullDeviceControl() const { |
| 371 | return adaptor_->GetFullDeviceControl(); |
| 372 | } |
| 373 | |
| 374 | bool Config::AppendHwMode(Error* error, string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 375 | string hw_mode = GetHwMode(); |
| 376 | string hostapd_hw_mode; |
| 377 | if (hw_mode == kHwMode80211a) { |
| 378 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 379 | } else if (hw_mode == kHwMode80211b) { |
| 380 | hostapd_hw_mode = kHostapdHwMode80211b; |
| 381 | } else if (hw_mode == kHwMode80211g) { |
| 382 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 383 | } else if (hw_mode == kHwMode80211n) { |
| 384 | // Use 802.11a for 5GHz channel and 802.11g for 2.4GHz channel |
| 385 | if (GetChannel() >= 34) { |
| 386 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 387 | } else { |
| 388 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 389 | } |
| 390 | base::StringAppendF(config_str, "%s=1\n", kHostapdConfigKeyIeee80211n); |
| 391 | |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 392 | // Get HT Capability. |
| 393 | string ht_cap; |
| 394 | if (!device_->GetHTCapability(GetChannel(), &ht_cap)) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 395 | Error::PopulateAndLog(error, |
| 396 | Error::kInvalidConfiguration, |
| 397 | "Failed to get HT Capability", |
| 398 | FROM_HERE); |
Peter Qiu | 8e785b9 | 2014-11-24 10:01:08 -0800 | [diff] [blame] | 399 | return false; |
| 400 | } |
| 401 | base::StringAppendF(config_str, "%s=%s\n", |
| 402 | kHostapdConfigKeyHTCapability, |
| 403 | ht_cap.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 404 | } else if (hw_mode == kHwMode80211ac) { |
| 405 | if (GetChannel() >= 34) { |
| 406 | hostapd_hw_mode = kHostapdHwMode80211a; |
| 407 | } else { |
| 408 | hostapd_hw_mode = kHostapdHwMode80211g; |
| 409 | } |
| 410 | base::StringAppendF(config_str, "%s=1\n", kHostapdConfigKeyIeee80211ac); |
| 411 | |
| 412 | // TODO(zqiu): Determine VHT Capabilities based on the interface PHY's |
| 413 | // capababilites. |
| 414 | } else { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 415 | Error::PopulateAndLog( |
| 416 | error, |
| 417 | Error::kInvalidConfiguration, |
| 418 | base::StringPrintf("Invalid hardware mode: %s", hw_mode.c_str()), |
| 419 | FROM_HERE); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 420 | return false; |
| 421 | } |
| 422 | |
| 423 | base::StringAppendF( |
| 424 | config_str, "%s=%s\n", kHostapdConfigKeyHwMode, hostapd_hw_mode.c_str()); |
| 425 | return true; |
| 426 | } |
| 427 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 428 | bool Config::AppendHostapdDefaults(Error* error, string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 429 | // Driver: NL80211. |
| 430 | base::StringAppendF( |
| 431 | config_str, "%s=%s\n", kHostapdConfigKeyDriver, kHostapdDefaultDriver); |
| 432 | |
| 433 | // Fragmentation threshold: disabled. |
| 434 | base::StringAppendF(config_str, |
| 435 | "%s=%d\n", |
| 436 | kHostapdConfigKeyFragmThreshold, |
| 437 | kHostapdDefaultFragmThreshold); |
| 438 | |
| 439 | // RTS threshold: disabled. |
| 440 | base::StringAppendF(config_str, |
| 441 | "%s=%d\n", |
| 442 | kHostapdConfigKeyRtsThreshold, |
| 443 | kHostapdDefaultRtsThreshold); |
| 444 | |
| 445 | return true; |
| 446 | } |
| 447 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 448 | bool Config::AppendInterface(Error* error, string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 449 | string interface = GetInterfaceName(); |
| 450 | if (interface.empty()) { |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 451 | // Ask manager for unused ap capable device. |
| 452 | device_ = manager_->GetAvailableDevice(); |
| 453 | if (!device_) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 454 | Error::PopulateAndLog( |
| 455 | error, Error::kInternalError, "No device available", FROM_HERE); |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 456 | return false; |
| 457 | } |
| 458 | } else { |
| 459 | device_ = manager_->GetDeviceFromInterfaceName(interface); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 460 | if (!device_) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 461 | Error::PopulateAndLog( |
| 462 | error, |
| 463 | Error::kInvalidConfiguration, |
| 464 | base::StringPrintf( |
| 465 | "Unable to find device for the specified interface [%s]", |
| 466 | interface.c_str()), |
| 467 | FROM_HERE); |
Peter Qiu | 6830329 | 2014-12-10 10:42:13 -0800 | [diff] [blame] | 468 | return false; |
| 469 | } |
Garret Kelly | 0c0e9e7 | 2015-09-01 17:28:01 -0400 | [diff] [blame] | 470 | if (device_->GetInUse()) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 471 | Error::PopulateAndLog( |
| 472 | error, |
| 473 | Error::kInvalidConfiguration, |
| 474 | base::StringPrintf("Device [%s] for interface [%s] already in use", |
| 475 | device_->GetDeviceName().c_str(), |
| 476 | interface.c_str()), |
| 477 | FROM_HERE); |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 478 | return false; |
| 479 | } |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 480 | } |
| 481 | |
Peter Qiu | fb39ba4 | 2014-11-21 09:09:59 -0800 | [diff] [blame] | 482 | // Use the preferred AP interface from the device. |
Peter Qiu | bf8e36c | 2014-12-03 22:59:45 -0800 | [diff] [blame] | 483 | selected_interface_ = device_->GetPreferredApInterface(); |
| 484 | base::StringAppendF(config_str, |
| 485 | "%s=%s\n", |
| 486 | kHostapdConfigKeyInterface, |
| 487 | selected_interface_.c_str()); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 488 | return true; |
| 489 | } |
| 490 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 491 | bool Config::AppendSecurityMode(Error* error, string* config_str) { |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 492 | string security_mode = GetSecurityMode(); |
| 493 | if (security_mode == kSecurityModeNone) { |
| 494 | // Nothing need to be done for open network. |
| 495 | return true; |
| 496 | } |
| 497 | |
| 498 | if (security_mode == kSecurityModeRSN) { |
| 499 | string passphrase = GetPassphrase(); |
| 500 | if (passphrase.empty()) { |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 501 | Error::PopulateAndLog( |
| 502 | error, |
| 503 | Error::kInvalidConfiguration, |
| 504 | base::StringPrintf("Passphrase not set for security mode: %s", |
| 505 | security_mode.c_str()), |
| 506 | FROM_HERE); |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 507 | return false; |
| 508 | } |
| 509 | |
| 510 | base::StringAppendF(config_str, "%s=2\n", kHostapdConfigKeyWpa); |
| 511 | base::StringAppendF(config_str, |
| 512 | "%s=%s\n", |
| 513 | kHostapdConfigKeyRsnPairwise, |
| 514 | kHostapdDefaultRsnPairwise); |
| 515 | base::StringAppendF(config_str, |
| 516 | "%s=%s\n", |
| 517 | kHostapdConfigKeyWpaKeyMgmt, |
| 518 | kHostapdDefaultWpaKeyMgmt); |
| 519 | base::StringAppendF(config_str, |
| 520 | "%s=%s\n", |
| 521 | kHostapdConfigKeyWpaPassphrase, |
| 522 | passphrase.c_str()); |
| 523 | return true; |
| 524 | } |
| 525 | |
Peter Qiu | d9c79aa | 2015-11-19 15:36:00 -0800 | [diff] [blame] | 526 | Error::PopulateAndLog( |
| 527 | error, |
| 528 | Error::kInvalidConfiguration, |
| 529 | base::StringPrintf("Invalid security mode: %s", security_mode.c_str()), |
| 530 | FROM_HERE); |
Peter Qiu | 376e404 | 2014-11-13 09:40:28 -0800 | [diff] [blame] | 531 | return false; |
Peter Qiu | f073173 | 2014-11-11 09:46:41 -0800 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | } // namespace apmanager |