Java 类android.net.wifi.WifiConfiguration.GroupCipher 实例源码

/**
 * @return The security of a given {@link WifiConfiguration}.
 */
static public String getWifiConfigurationSecurity(WifiConfiguration wifiConfig) {

    if (wifiConfig.allowedKeyManagement.get(KeyMgmt.NONE)) {
        // If we never set group ciphers, wpa_supplicant puts all of them.
        // For open, we don't set group ciphers.
        // For WEP, we specifically only set WEP40 and WEP104, so CCMP
        // and TKIP should not be there.
        if (!wifiConfig.allowedGroupCiphers.get(GroupCipher.CCMP)
                && (wifiConfig.allowedGroupCiphers.get(GroupCipher.WEP40)
                        || wifiConfig.allowedGroupCiphers.get(GroupCipher.WEP104))) {
            return WEP;
        } else {
            return OPEN;
        }
    } else if (wifiConfig.allowedProtocols.get(Protocol.RSN)) {
        return WPA2;
    } else if (wifiConfig.allowedKeyManagement.get(KeyMgmt.WPA_EAP)) {
        return WPA_EAP;
    } else if (wifiConfig.allowedKeyManagement.get(KeyMgmt.IEEE8021X)) {
        return IEEE8021X;
    } else if (wifiConfig.allowedProtocols.get(Protocol.WPA)) {
        return WPA;
    } else {
        Log.w(TAG, "Unknown security type from WifiConfiguration, falling back on open.");
        return OPEN;
    }
}

/**
 * @return The security of a given {@link WifiConfiguration}.
 */
static public String getWifiConfigurationSecurity(WifiConfiguration wifiConfig) {

  if (wifiConfig.allowedKeyManagement.get(KeyMgmt.NONE)) {
    // If we never set group ciphers, wpa_supplicant puts all of them.
    // For open, we don't set group ciphers.
    // For WEP, we specifically only set WEP40 and WEP104, so CCMP
    // and TKIP should not be there.
    if (!wifiConfig.allowedGroupCiphers.get(GroupCipher.CCMP)
        && (wifiConfig.allowedGroupCiphers.get(GroupCipher.WEP40) || wifiConfig.allowedGroupCiphers.get(GroupCipher.WEP104))) {
      return WEP;
    }
    else {
      return OPEN;
    }
  }
  else if (wifiConfig.allowedProtocols.get(Protocol.RSN)) {
    return WPA2;
  }
  else if (wifiConfig.allowedKeyManagement.get(KeyMgmt.WPA_EAP)) {
    return WPA_EAP;
  }
  else if (wifiConfig.allowedKeyManagement.get(KeyMgmt.IEEE8021X)) {
    return IEEE8021X;
  }
  else if (wifiConfig.allowedProtocols.get(Protocol.WPA)) {
    return WPA;
  }
  else {
    Log.w(TAG, "Unknown security type from WifiConfiguration, falling back on open.");
    return OPEN;
  }
}

/**
 * Configures eduroam wifi connection
 *
 * @param lrzId       User's LRZ-ID
 * @param networkPass User's lrz password
 * @return Returns true if configuration was successful, false otherwise
 */
public boolean configureEduroam(String lrzId, String networkPass) {
    // Configure Wifi
    boolean update = true;
    WifiConfiguration conf = getEduroamConfig(mContext);

    if (conf == null) {
        update = false;
        conf = new WifiConfiguration();
    }

    conf.SSID = "\"" + NETWORK_SSID + "\"";
    conf.allowedKeyManagement.set(KeyMgmt.WPA_EAP);
    conf.allowedKeyManagement.set(KeyMgmt.IEEE8021X);
    conf.allowedGroupCiphers.set(GroupCipher.TKIP);
    conf.allowedGroupCiphers.set(GroupCipher.CCMP);
    conf.allowedGroupCiphers.set(GroupCipher.WEP40);
    conf.allowedGroupCiphers.set(GroupCipher.WEP104);
    conf.allowedPairwiseCiphers.set(PairwiseCipher.CCMP);
    conf.allowedPairwiseCiphers.set(PairwiseCipher.TKIP);
    conf.allowedProtocols.set(Protocol.RSN);
    conf.status = WifiConfiguration.Status.ENABLED;

    if (Build.VERSION.SDK_INT >= 18) {
        setupEnterpriseConfigAPI18(conf, lrzId, networkPass);
    } else {
        if (!setupEnterpriseConfigOld(conf, lrzId, networkPass)) {
            return false;
        }
    }

    // Add eduroam to wifi networks
    WifiManager wifiManager = (WifiManager) mContext.getApplicationContext()
                                                    .getSystemService(Context.WIFI_SERVICE);
    int networkId;
    if (update) {
        networkId = wifiManager.updateNetwork(conf);
        Utils.log("deleted " + conf.networkId);
    } else {
        networkId = wifiManager.addNetwork(conf);
    }
    Utils.log("added " + networkId);

    //Check if update successful
    if (networkId == -1) {
        return false;
    }

    //Enable and exit
    wifiManager.enableNetwork(networkId, true);
    return true;
}