| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settingslib.wifi; |
| |
| import android.annotation.IntDef; |
| import android.annotation.MainThread; |
| import android.annotation.Nullable; |
| import android.app.AppGlobals; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.NetworkInfo.DetailedState; |
| import android.net.NetworkInfo.State; |
| import android.net.NetworkKey; |
| import android.net.NetworkScoreManager; |
| import android.net.NetworkScorerAppData; |
| import android.net.ScoredNetwork; |
| import android.net.wifi.IWifiManager; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiConfiguration.KeyMgmt; |
| import android.net.wifi.WifiEnterpriseConfig; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiNetworkScoreCache; |
| import android.net.wifi.hotspot2.PasspointConfiguration; |
| import android.os.Bundle; |
| import android.os.Parcelable; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settingslib.R; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * Represents a selectable Wifi Network for use in various wifi selection menus backed by |
| * {@link WifiTracker}. |
| * |
| * <p>An AccessPoint, which would be more fittingly named "WifiNetwork", is an aggregation of |
| * {@link ScanResult ScanResults} along with pertinent metadata (e.g. current connection info, |
| * network scores) required to successfully render the network to the user. |
| */ |
| public class AccessPoint implements Comparable<AccessPoint> { |
| static final String TAG = "SettingsLib.AccessPoint"; |
| |
| /** |
| * Lower bound on the 2.4 GHz (802.11b/g/n) WLAN channels |
| */ |
| public static final int LOWER_FREQ_24GHZ = 2400; |
| |
| /** |
| * Upper bound on the 2.4 GHz (802.11b/g/n) WLAN channels |
| */ |
| public static final int HIGHER_FREQ_24GHZ = 2500; |
| |
| /** |
| * Lower bound on the 5.0 GHz (802.11a/h/j/n/ac) WLAN channels |
| */ |
| public static final int LOWER_FREQ_5GHZ = 4900; |
| |
| /** |
| * Upper bound on the 5.0 GHz (802.11a/h/j/n/ac) WLAN channels |
| */ |
| public static final int HIGHER_FREQ_5GHZ = 5900; |
| |
| /** The key which identifies this AccessPoint grouping. */ |
| private String mKey; |
| |
| @IntDef({Speed.NONE, Speed.SLOW, Speed.MODERATE, Speed.FAST, Speed.VERY_FAST}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Speed { |
| /** |
| * Constant value representing an unlabeled / unscored network. |
| */ |
| int NONE = 0; |
| /** |
| * Constant value representing a slow speed network connection. |
| */ |
| int SLOW = 5; |
| /** |
| * Constant value representing a medium speed network connection. |
| */ |
| int MODERATE = 10; |
| /** |
| * Constant value representing a fast speed network connection. |
| */ |
| int FAST = 20; |
| /** |
| * Constant value representing a very fast speed network connection. |
| */ |
| int VERY_FAST = 30; |
| } |
| |
| /** The underlying set of scan results comprising this AccessPoint. */ |
| private final ArraySet<ScanResult> mScanResults = new ArraySet<>(); |
| |
| /** |
| * Map of BSSIDs to scored networks for individual bssids. |
| * |
| * <p>This cache should not be evicted with scan results, as the values here are used to |
| * generate a fallback in the absence of scores for the visible APs. |
| */ |
| private final Map<String, TimestampedScoredNetwork> mScoredNetworkCache = new HashMap<>(); |
| |
| static final String KEY_NETWORKINFO = "key_networkinfo"; |
| static final String KEY_WIFIINFO = "key_wifiinfo"; |
| static final String KEY_SSID = "key_ssid"; |
| static final String KEY_SECURITY = "key_security"; |
| static final String KEY_SPEED = "key_speed"; |
| static final String KEY_PSKTYPE = "key_psktype"; |
| static final String KEY_SCANRESULTS = "key_scanresults"; |
| static final String KEY_SCOREDNETWORKCACHE = "key_scorednetworkcache"; |
| static final String KEY_CONFIG = "key_config"; |
| static final String KEY_FQDN = "key_fqdn"; |
| static final String KEY_PROVIDER_FRIENDLY_NAME = "key_provider_friendly_name"; |
| static final String KEY_IS_CARRIER_AP = "key_is_carrier_ap"; |
| static final String KEY_CARRIER_AP_EAP_TYPE = "key_carrier_ap_eap_type"; |
| static final String KEY_CARRIER_NAME = "key_carrier_name"; |
| static final AtomicInteger sLastId = new AtomicInteger(0); |
| |
| /** |
| * These values are matched in string arrays -- changes must be kept in sync |
| */ |
| public static final int SECURITY_NONE = 0; |
| public static final int SECURITY_WEP = 1; |
| public static final int SECURITY_PSK = 2; |
| public static final int SECURITY_EAP = 3; |
| public static final int SECURITY_OWE = 4; |
| public static final int SECURITY_SAE = 5; |
| public static final int SECURITY_EAP_SUITE_B = 6; |
| |
| private static final int PSK_UNKNOWN = 0; |
| private static final int PSK_WPA = 1; |
| private static final int PSK_WPA2 = 2; |
| private static final int PSK_WPA_WPA2 = 3; |
| |
| /** |
| * The number of distinct wifi levels. |
| * |
| * <p>Must keep in sync with {@link R.array.wifi_signal} and {@link WifiManager#RSSI_LEVELS}. |
| */ |
| public static final int SIGNAL_LEVELS = 5; |
| |
| public static final int UNREACHABLE_RSSI = Integer.MIN_VALUE; |
| |
| private final Context mContext; |
| |
| private String ssid; |
| private String bssid; |
| private int security; |
| private int networkId = WifiConfiguration.INVALID_NETWORK_ID; |
| |
| private int pskType = PSK_UNKNOWN; |
| |
| private WifiConfiguration mConfig; |
| |
| private int mRssi = UNREACHABLE_RSSI; |
| |
| private WifiInfo mInfo; |
| private NetworkInfo mNetworkInfo; |
| AccessPointListener mAccessPointListener; |
| |
| private Object mTag; |
| |
| @Speed private int mSpeed = Speed.NONE; |
| private boolean mIsScoredNetworkMetered = false; |
| |
| // used to co-relate internal vs returned accesspoint. |
| int mId; |
| |
| /** |
| * Information associated with the {@link PasspointConfiguration}. Only maintaining |
| * the relevant info to preserve spaces. |
| */ |
| private String mFqdn; |
| private String mProviderFriendlyName; |
| |
| private boolean mIsCarrierAp = false; |
| /** |
| * The EAP type {@link WifiEnterpriseConfig.Eap} associated with this AP if it is a carrier AP. |
| */ |
| private int mCarrierApEapType = WifiEnterpriseConfig.Eap.NONE; |
| private String mCarrierName = null; |
| |
| public AccessPoint(Context context, Bundle savedState) { |
| mContext = context; |
| |
| if (savedState.containsKey(KEY_CONFIG)) { |
| mConfig = savedState.getParcelable(KEY_CONFIG); |
| } |
| if (mConfig != null) { |
| loadConfig(mConfig); |
| } |
| if (savedState.containsKey(KEY_SSID)) { |
| ssid = savedState.getString(KEY_SSID); |
| } |
| if (savedState.containsKey(KEY_SECURITY)) { |
| security = savedState.getInt(KEY_SECURITY); |
| } |
| if (savedState.containsKey(KEY_SPEED)) { |
| mSpeed = savedState.getInt(KEY_SPEED); |
| } |
| if (savedState.containsKey(KEY_PSKTYPE)) { |
| pskType = savedState.getInt(KEY_PSKTYPE); |
| } |
| mInfo = savedState.getParcelable(KEY_WIFIINFO); |
| if (savedState.containsKey(KEY_NETWORKINFO)) { |
| mNetworkInfo = savedState.getParcelable(KEY_NETWORKINFO); |
| } |
| if (savedState.containsKey(KEY_SCANRESULTS)) { |
| Parcelable[] scanResults = savedState.getParcelableArray(KEY_SCANRESULTS); |
| mScanResults.clear(); |
| for (Parcelable result : scanResults) { |
| mScanResults.add((ScanResult) result); |
| } |
| } |
| if (savedState.containsKey(KEY_SCOREDNETWORKCACHE)) { |
| ArrayList<TimestampedScoredNetwork> scoredNetworkArrayList = |
| savedState.getParcelableArrayList(KEY_SCOREDNETWORKCACHE); |
| for (TimestampedScoredNetwork timedScore : scoredNetworkArrayList) { |
| mScoredNetworkCache.put(timedScore.getScore().networkKey.wifiKey.bssid, timedScore); |
| } |
| } |
| if (savedState.containsKey(KEY_FQDN)) { |
| mFqdn = savedState.getString(KEY_FQDN); |
| } |
| if (savedState.containsKey(KEY_PROVIDER_FRIENDLY_NAME)) { |
| mProviderFriendlyName = savedState.getString(KEY_PROVIDER_FRIENDLY_NAME); |
| } |
| if (savedState.containsKey(KEY_IS_CARRIER_AP)) { |
| mIsCarrierAp = savedState.getBoolean(KEY_IS_CARRIER_AP); |
| } |
| if (savedState.containsKey(KEY_CARRIER_AP_EAP_TYPE)) { |
| mCarrierApEapType = savedState.getInt(KEY_CARRIER_AP_EAP_TYPE); |
| } |
| if (savedState.containsKey(KEY_CARRIER_NAME)) { |
| mCarrierName = savedState.getString(KEY_CARRIER_NAME); |
| } |
| update(mConfig, mInfo, mNetworkInfo); |
| |
| // Calculate required fields |
| updateKey(); |
| updateRssi(); |
| |
| mId = sLastId.incrementAndGet(); |
| } |
| |
| public AccessPoint(Context context, WifiConfiguration config) { |
| mContext = context; |
| loadConfig(config); |
| mId = sLastId.incrementAndGet(); |
| } |
| |
| /** |
| * Initialize an AccessPoint object for a {@link PasspointConfiguration}. This is mainly |
| * used by "Saved Networks" page for managing the saved {@link PasspointConfiguration}. |
| */ |
| public AccessPoint(Context context, PasspointConfiguration config) { |
| mContext = context; |
| mFqdn = config.getHomeSp().getFqdn(); |
| mProviderFriendlyName = config.getHomeSp().getFriendlyName(); |
| mId = sLastId.incrementAndGet(); |
| } |
| |
| AccessPoint(Context context, Collection<ScanResult> results) { |
| mContext = context; |
| |
| if (results.isEmpty()) { |
| throw new IllegalArgumentException("Cannot construct with an empty ScanResult list"); |
| } |
| mScanResults.addAll(results); |
| |
| // Information derived from scan results |
| ScanResult firstResult = results.iterator().next(); |
| ssid = firstResult.SSID; |
| bssid = firstResult.BSSID; |
| security = getSecurity(firstResult); |
| if (security == SECURITY_PSK) { |
| pskType = getPskType(firstResult); |
| } |
| updateKey(); |
| updateRssi(); |
| |
| // Passpoint Info |
| mIsCarrierAp = firstResult.isCarrierAp; |
| mCarrierApEapType = firstResult.carrierApEapType; |
| mCarrierName = firstResult.carrierName; |
| |
| mId = sLastId.incrementAndGet(); |
| } |
| |
| @VisibleForTesting void loadConfig(WifiConfiguration config) { |
| ssid = (config.SSID == null ? "" : removeDoubleQuotes(config.SSID)); |
| bssid = config.BSSID; |
| security = getSecurity(config); |
| updateKey(); |
| networkId = config.networkId; |
| mConfig = config; |
| } |
| |
| /** Updates {@link #mKey} and should only called upon object creation/initialization. */ |
| private void updateKey() { |
| // TODO(sghuman): Consolidate Key logic on ScanResultMatchInfo |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| if (TextUtils.isEmpty(getSsidStr())) { |
| builder.append(getBssid()); |
| } else { |
| builder.append(getSsidStr()); |
| } |
| |
| builder.append(',').append(getSecurity()); |
| mKey = builder.toString(); |
| } |
| |
| /** |
| * Returns a negative integer, zero, or a positive integer if this AccessPoint is less than, |
| * equal to, or greater than the other AccessPoint. |
| * |
| * Sort order rules for AccessPoints: |
| * 1. Active before inactive |
| * 2. Reachable before unreachable |
| * 3. Saved before unsaved |
| * 4. Network speed value |
| * 5. Stronger signal before weaker signal |
| * 6. SSID alphabetically |
| * |
| * Note that AccessPoints with a signal are usually also Reachable, |
| * and will thus appear before unreachable saved AccessPoints. |
| */ |
| @Override |
| public int compareTo(@NonNull AccessPoint other) { |
| // Active one goes first. |
| if (isActive() && !other.isActive()) return -1; |
| if (!isActive() && other.isActive()) return 1; |
| |
| // Reachable one goes before unreachable one. |
| if (isReachable() && !other.isReachable()) return -1; |
| if (!isReachable() && other.isReachable()) return 1; |
| |
| // Configured (saved) one goes before unconfigured one. |
| if (isSaved() && !other.isSaved()) return -1; |
| if (!isSaved() && other.isSaved()) return 1; |
| |
| // Faster speeds go before slower speeds - but only if visible change in speed label |
| if (getSpeed() != other.getSpeed()) { |
| return other.getSpeed() - getSpeed(); |
| } |
| |
| // Sort by signal strength, bucketed by level |
| int difference = WifiManager.calculateSignalLevel(other.mRssi, SIGNAL_LEVELS) |
| - WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS); |
| if (difference != 0) { |
| return difference; |
| } |
| |
| // Sort by ssid. |
| difference = getSsidStr().compareToIgnoreCase(other.getSsidStr()); |
| if (difference != 0) { |
| return difference; |
| } |
| |
| // Do a case sensitive comparison to distinguish SSIDs that differ in case only |
| return getSsidStr().compareTo(other.getSsidStr()); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof AccessPoint)) return false; |
| return (this.compareTo((AccessPoint) other) == 0); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 0; |
| if (mInfo != null) result += 13 * mInfo.hashCode(); |
| result += 19 * mRssi; |
| result += 23 * networkId; |
| result += 29 * ssid.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder().append("AccessPoint(") |
| .append(ssid); |
| if (bssid != null) { |
| builder.append(":").append(bssid); |
| } |
| if (isSaved()) { |
| builder.append(',').append("saved"); |
| } |
| if (isActive()) { |
| builder.append(',').append("active"); |
| } |
| if (isEphemeral()) { |
| builder.append(',').append("ephemeral"); |
| } |
| if (isConnectable()) { |
| builder.append(',').append("connectable"); |
| } |
| if ((security != SECURITY_NONE) && (security != SECURITY_OWE)) { |
| builder.append(',').append(securityToString(security, pskType)); |
| } |
| builder.append(",level=").append(getLevel()); |
| if (mSpeed != Speed.NONE) { |
| builder.append(",speed=").append(mSpeed); |
| } |
| builder.append(",metered=").append(isMetered()); |
| |
| if (isVerboseLoggingEnabled()) { |
| builder.append(",rssi=").append(mRssi); |
| builder.append(",scan cache size=").append(mScanResults.size()); |
| } |
| |
| return builder.append(')').toString(); |
| } |
| |
| /** |
| * Updates the AccessPoint rankingScore, metering, and speed, returning true if the data has |
| * changed. |
| * |
| * @param scoreCache The score cache to use to retrieve scores |
| * @param scoringUiEnabled Whether to show scoring and badging UI |
| * @param maxScoreCacheAgeMillis the maximum age in milliseconds of scores to consider when |
| * generating speed labels |
| */ |
| boolean update( |
| WifiNetworkScoreCache scoreCache, |
| boolean scoringUiEnabled, |
| long maxScoreCacheAgeMillis) { |
| boolean scoreChanged = false; |
| if (scoringUiEnabled) { |
| scoreChanged = updateScores(scoreCache, maxScoreCacheAgeMillis); |
| } |
| return updateMetered(scoreCache) || scoreChanged; |
| } |
| |
| /** |
| * Updates the AccessPoint rankingScore and speed, returning true if the data has changed. |
| * |
| * <p>Any cached {@link TimestampedScoredNetwork} objects older than the given max age in millis |
| * will be removed when this method is invoked. |
| * |
| * <p>Precondition: {@link #mRssi} is up to date before invoking this method. |
| * |
| * @param scoreCache The score cache to use to retrieve scores |
| * @param maxScoreCacheAgeMillis the maximum age in milliseconds of scores to consider when |
| * generating speed labels |
| * |
| * @return true if the set speed has changed |
| */ |
| private boolean updateScores(WifiNetworkScoreCache scoreCache, long maxScoreCacheAgeMillis) { |
| long nowMillis = SystemClock.elapsedRealtime(); |
| for (ScanResult result : mScanResults) { |
| ScoredNetwork score = scoreCache.getScoredNetwork(result); |
| if (score == null) { |
| continue; |
| } |
| TimestampedScoredNetwork timedScore = mScoredNetworkCache.get(result.BSSID); |
| if (timedScore == null) { |
| mScoredNetworkCache.put( |
| result.BSSID, new TimestampedScoredNetwork(score, nowMillis)); |
| } else { |
| // Update data since the has been seen in the score cache |
| timedScore.update(score, nowMillis); |
| } |
| } |
| |
| // Remove old cached networks |
| long evictionCutoff = nowMillis - maxScoreCacheAgeMillis; |
| Iterator<TimestampedScoredNetwork> iterator = mScoredNetworkCache.values().iterator(); |
| iterator.forEachRemaining(timestampedScoredNetwork -> { |
| if (timestampedScoredNetwork.getUpdatedTimestampMillis() < evictionCutoff) { |
| iterator.remove(); |
| } |
| }); |
| |
| return updateSpeed(); |
| } |
| |
| /** |
| * Updates the internal speed, returning true if the update resulted in a speed label change. |
| */ |
| private boolean updateSpeed() { |
| int oldSpeed = mSpeed; |
| mSpeed = generateAverageSpeedForSsid(); |
| |
| boolean changed = oldSpeed != mSpeed; |
| if(isVerboseLoggingEnabled() && changed) { |
| Log.i(TAG, String.format("%s: Set speed to %d", ssid, mSpeed)); |
| } |
| return changed; |
| } |
| |
| /** Creates a speed value for the current {@link #mRssi} by averaging all non zero badges. */ |
| @Speed private int generateAverageSpeedForSsid() { |
| if (mScoredNetworkCache.isEmpty()) { |
| return Speed.NONE; |
| } |
| |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, String.format("Generating fallbackspeed for %s using cache: %s", |
| getSsidStr(), mScoredNetworkCache)); |
| } |
| |
| // TODO(b/63073866): If flickering issues persist, consider mapping using getLevel rather |
| // than specific rssi value so score doesn't change without a visible wifi bar change. This |
| // issue is likely to be more evident for the active AP whose RSSI value is not half-lifed. |
| |
| int count = 0; |
| int totalSpeed = 0; |
| for (TimestampedScoredNetwork timedScore : mScoredNetworkCache.values()) { |
| int speed = timedScore.getScore().calculateBadge(mRssi); |
| if (speed != Speed.NONE) { |
| count++; |
| totalSpeed += speed; |
| } |
| } |
| int speed = count == 0 ? Speed.NONE : totalSpeed / count; |
| if (isVerboseLoggingEnabled()) { |
| Log.i(TAG, String.format("%s generated fallback speed is: %d", getSsidStr(), speed)); |
| } |
| return roundToClosestSpeedEnum(speed); |
| } |
| |
| /** |
| * Updates the AccessPoint's metering based on {@link ScoredNetwork#meteredHint}, returning |
| * true if the metering changed. |
| */ |
| private boolean updateMetered(WifiNetworkScoreCache scoreCache) { |
| boolean oldMetering = mIsScoredNetworkMetered; |
| mIsScoredNetworkMetered = false; |
| |
| if (isActive() && mInfo != null) { |
| NetworkKey key = NetworkKey.createFromWifiInfo(mInfo); |
| ScoredNetwork score = scoreCache.getScoredNetwork(key); |
| if (score != null) { |
| mIsScoredNetworkMetered |= score.meteredHint; |
| } |
| } else { |
| for (ScanResult result : mScanResults) { |
| ScoredNetwork score = scoreCache.getScoredNetwork(result); |
| if (score == null) { |
| continue; |
| } |
| mIsScoredNetworkMetered |= score.meteredHint; |
| } |
| } |
| return oldMetering == mIsScoredNetworkMetered; |
| } |
| |
| public static String getKey(ScanResult result) { |
| StringBuilder builder = new StringBuilder(); |
| |
| if (TextUtils.isEmpty(result.SSID)) { |
| builder.append(result.BSSID); |
| } else { |
| builder.append(result.SSID); |
| } |
| |
| builder.append(',').append(getSecurity(result)); |
| return builder.toString(); |
| } |
| |
| public static String getKey(WifiConfiguration config) { |
| StringBuilder builder = new StringBuilder(); |
| |
| if (TextUtils.isEmpty(config.SSID)) { |
| builder.append(config.BSSID); |
| } else { |
| builder.append(removeDoubleQuotes(config.SSID)); |
| } |
| |
| builder.append(',').append(getSecurity(config)); |
| return builder.toString(); |
| } |
| |
| public String getKey() { |
| return mKey; |
| } |
| |
| public boolean matches(WifiConfiguration config) { |
| if (config.isPasspoint() && mConfig != null && mConfig.isPasspoint()) { |
| return ssid.equals(removeDoubleQuotes(config.SSID)) && config.FQDN.equals(mConfig.FQDN); |
| } else { |
| return ssid.equals(removeDoubleQuotes(config.SSID)) |
| && security == getSecurity(config) |
| && (mConfig == null || mConfig.shared == config.shared); |
| } |
| } |
| |
| public WifiConfiguration getConfig() { |
| return mConfig; |
| } |
| |
| public String getPasspointFqdn() { |
| return mFqdn; |
| } |
| |
| public void clearConfig() { |
| mConfig = null; |
| networkId = WifiConfiguration.INVALID_NETWORK_ID; |
| } |
| |
| public WifiInfo getInfo() { |
| return mInfo; |
| } |
| |
| /** |
| * Returns the number of levels to show for a Wifi icon, from 0 to {@link #SIGNAL_LEVELS}-1. |
| * |
| * <p>Use {@#isReachable()} to determine if an AccessPoint is in range, as this method will |
| * always return at least 0. |
| */ |
| public int getLevel() { |
| return WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS); |
| } |
| |
| public int getRssi() { |
| return mRssi; |
| } |
| |
| /** |
| * Returns the underlying scan result set. |
| * |
| * <p>Callers should not modify this set. |
| */ |
| public Set<ScanResult> getScanResults() { return mScanResults; } |
| |
| public Map<String, TimestampedScoredNetwork> getScoredNetworkCache() { |
| return mScoredNetworkCache; |
| } |
| |
| /** |
| * Updates {@link #mRssi}. |
| * |
| * <p>If the given connection is active, the existing value of {@link #mRssi} will be returned. |
| * If the given AccessPoint is not active, a value will be calculated from previous scan |
| * results, returning the best RSSI for all matching AccessPoints averaged with the previous |
| * value. If the access point is not connected and there are no scan results, the rssi will be |
| * set to {@link #UNREACHABLE_RSSI}. |
| */ |
| private void updateRssi() { |
| if (this.isActive()) { |
| return; |
| } |
| |
| int rssi = UNREACHABLE_RSSI; |
| for (ScanResult result : mScanResults) { |
| if (result.level > rssi) { |
| rssi = result.level; |
| } |
| } |
| |
| if (rssi != UNREACHABLE_RSSI && mRssi != UNREACHABLE_RSSI) { |
| mRssi = (mRssi + rssi) / 2; // half-life previous value |
| } else { |
| mRssi = rssi; |
| } |
| } |
| |
| /** |
| * Returns if the network should be considered metered. |
| */ |
| public boolean isMetered() { |
| return mIsScoredNetworkMetered |
| || WifiConfiguration.isMetered(mConfig, mInfo); |
| } |
| |
| public NetworkInfo getNetworkInfo() { |
| return mNetworkInfo; |
| } |
| |
| public int getSecurity() { |
| return security; |
| } |
| |
| public String getSecurityString(boolean concise) { |
| Context context = mContext; |
| if (isPasspoint() || isPasspointConfig()) { |
| return concise ? context.getString(R.string.wifi_security_short_eap) : |
| context.getString(R.string.wifi_security_eap); |
| } |
| switch(security) { |
| case SECURITY_EAP: |
| return concise ? context.getString(R.string.wifi_security_short_eap) : |
| context.getString(R.string.wifi_security_eap); |
| case SECURITY_EAP_SUITE_B: |
| return concise ? context.getString(R.string.wifi_security_short_eap_suiteb) : |
| context.getString(R.string.wifi_security_eap_suiteb); |
| case SECURITY_PSK: |
| switch (pskType) { |
| case PSK_WPA: |
| return concise ? context.getString(R.string.wifi_security_short_wpa) : |
| context.getString(R.string.wifi_security_wpa); |
| case PSK_WPA2: |
| return concise ? context.getString(R.string.wifi_security_short_wpa2) : |
| context.getString(R.string.wifi_security_wpa2); |
| case PSK_WPA_WPA2: |
| return concise ? context.getString(R.string.wifi_security_short_wpa_wpa2) : |
| context.getString(R.string.wifi_security_wpa_wpa2); |
| case PSK_UNKNOWN: |
| default: |
| return concise ? context.getString(R.string.wifi_security_short_psk_generic) |
| : context.getString(R.string.wifi_security_psk_generic); |
| } |
| case SECURITY_WEP: |
| return concise ? context.getString(R.string.wifi_security_short_wep) : |
| context.getString(R.string.wifi_security_wep); |
| case SECURITY_SAE: |
| return concise ? context.getString(R.string.wifi_security_short_sae) : |
| context.getString(R.string.wifi_security_sae); |
| case SECURITY_OWE: |
| return concise ? context.getString(R.string.wifi_security_short_owe) : |
| context.getString(R.string.wifi_security_owe); |
| case SECURITY_NONE: |
| default: |
| return concise ? "" : context.getString(R.string.wifi_security_none); |
| } |
| } |
| |
| public String getSsidStr() { |
| return ssid; |
| } |
| |
| public String getBssid() { |
| return bssid; |
| } |
| |
| public CharSequence getSsid() { |
| return ssid; |
| } |
| |
| public String getConfigName() { |
| if (mConfig != null && mConfig.isPasspoint()) { |
| return mConfig.providerFriendlyName; |
| } else if (mFqdn != null) { |
| return mProviderFriendlyName; |
| } else { |
| return ssid; |
| } |
| } |
| |
| public DetailedState getDetailedState() { |
| if (mNetworkInfo != null) { |
| return mNetworkInfo.getDetailedState(); |
| } |
| Log.w(TAG, "NetworkInfo is null, cannot return detailed state"); |
| return null; |
| } |
| |
| public boolean isCarrierAp() { |
| return mIsCarrierAp; |
| } |
| |
| public int getCarrierApEapType() { |
| return mCarrierApEapType; |
| } |
| |
| public String getCarrierName() { |
| return mCarrierName; |
| } |
| |
| public String getSavedNetworkSummary() { |
| WifiConfiguration config = mConfig; |
| if (config != null) { |
| PackageManager pm = mContext.getPackageManager(); |
| String systemName = pm.getNameForUid(android.os.Process.SYSTEM_UID); |
| int userId = UserHandle.getUserId(config.creatorUid); |
| ApplicationInfo appInfo = null; |
| if (config.creatorName != null && config.creatorName.equals(systemName)) { |
| appInfo = mContext.getApplicationInfo(); |
| } else { |
| try { |
| IPackageManager ipm = AppGlobals.getPackageManager(); |
| appInfo = ipm.getApplicationInfo(config.creatorName, 0 /* flags */, userId); |
| } catch (RemoteException rex) { |
| } |
| } |
| if (appInfo != null && |
| !appInfo.packageName.equals(mContext.getString(R.string.settings_package)) && |
| !appInfo.packageName.equals( |
| mContext.getString(R.string.certinstaller_package))) { |
| return mContext.getString(R.string.saved_network, appInfo.loadLabel(pm)); |
| } |
| } |
| return ""; |
| } |
| |
| public String getSummary() { |
| return getSettingsSummary(mConfig); |
| } |
| |
| public String getSettingsSummary() { |
| return getSettingsSummary(mConfig); |
| } |
| |
| private String getSettingsSummary(WifiConfiguration config) { |
| // Update to new summary |
| StringBuilder summary = new StringBuilder(); |
| |
| if (isActive() && config != null && config.isPasspoint()) { |
| // This is the active connection on passpoint |
| summary.append(getSummary(mContext, getDetailedState(), |
| false, config.providerFriendlyName)); |
| } else if (isActive() && config != null && getDetailedState() == DetailedState.CONNECTED |
| && mIsCarrierAp) { |
| summary.append(String.format(mContext.getString(R.string.connected_via_carrier), mCarrierName)); |
| } else if (isActive()) { |
| // This is the active connection on non-passpoint network |
| summary.append(getSummary(mContext, getDetailedState(), |
| mInfo != null && mInfo.isEphemeral())); |
| } else if (config != null && config.isPasspoint() |
| && config.getNetworkSelectionStatus().isNetworkEnabled()) { |
| String format = mContext.getString(R.string.available_via_passpoint); |
| summary.append(String.format(format, config.providerFriendlyName)); |
| } else if (config != null && config.hasNoInternetAccess()) { |
| int messageID = config.getNetworkSelectionStatus().isNetworkPermanentlyDisabled() |
| ? R.string.wifi_no_internet_no_reconnect |
| : R.string.wifi_no_internet; |
| summary.append(mContext.getString(messageID)); |
| } else if (config != null && !config.getNetworkSelectionStatus().isNetworkEnabled()) { |
| WifiConfiguration.NetworkSelectionStatus networkStatus = |
| config.getNetworkSelectionStatus(); |
| switch (networkStatus.getNetworkSelectionDisableReason()) { |
| case WifiConfiguration.NetworkSelectionStatus.DISABLED_AUTHENTICATION_FAILURE: |
| summary.append(mContext.getString(R.string.wifi_disabled_password_failure)); |
| break; |
| case WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD: |
| summary.append(mContext.getString(R.string.wifi_check_password_try_again)); |
| break; |
| case WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE: |
| case WifiConfiguration.NetworkSelectionStatus.DISABLED_DNS_FAILURE: |
| summary.append(mContext.getString(R.string.wifi_disabled_network_failure)); |
| break; |
| case WifiConfiguration.NetworkSelectionStatus.DISABLED_ASSOCIATION_REJECTION: |
| summary.append(mContext.getString(R.string.wifi_disabled_generic)); |
| break; |
| } |
| } else if (config != null && config.getNetworkSelectionStatus().isNotRecommended()) { |
| summary.append(mContext.getString(R.string.wifi_disabled_by_recommendation_provider)); |
| } else if (mIsCarrierAp) { |
| summary.append(String.format(mContext.getString(R.string.available_via_carrier), mCarrierName)); |
| } else if (!isReachable()) { // Wifi out of range |
| summary.append(mContext.getString(R.string.wifi_not_in_range)); |
| } else { // In range, not disabled. |
| if (config != null) { // Is saved network |
| // Last attempt to connect to this failed. Show reason why |
| switch (config.recentFailure.getAssociationStatus()) { |
| case WifiConfiguration.RecentFailure.STATUS_AP_UNABLE_TO_HANDLE_NEW_STA: |
| summary.append(mContext.getString( |
| R.string.wifi_ap_unable_to_handle_new_sta)); |
| break; |
| default: |
| // "Saved" |
| summary.append(mContext.getString(R.string.wifi_remembered)); |
| break; |
| } |
| } |
| } |
| |
| if (isVerboseLoggingEnabled()) { |
| summary.append(WifiUtils.buildLoggingSummary(this, config)); |
| } |
| |
| if (config != null && (WifiUtils.isMeteredOverridden(config) || config.meteredHint)) { |
| return mContext.getResources().getString( |
| R.string.preference_summary_default_combination, |
| WifiUtils.getMeteredLabel(mContext, config), |
| summary.toString()); |
| } |
| |
| // If Speed label and summary are both present, use the preference combination to combine |
| // the two, else return the non-null one. |
| if (getSpeedLabel() != null && summary.length() != 0) { |
| return mContext.getResources().getString( |
| R.string.preference_summary_default_combination, |
| getSpeedLabel(), |
| summary.toString()); |
| } else if (getSpeedLabel() != null) { |
| return getSpeedLabel(); |
| } else { |
| return summary.toString(); |
| } |
| } |
| |
| /** |
| * Return whether this is the active connection. |
| * For ephemeral connections (networkId is invalid), this returns false if the network is |
| * disconnected. |
| */ |
| public boolean isActive() { |
| return mNetworkInfo != null && |
| (networkId != WifiConfiguration.INVALID_NETWORK_ID || |
| mNetworkInfo.getState() != State.DISCONNECTED); |
| } |
| |
| public boolean isConnectable() { |
| return getLevel() != -1 && getDetailedState() == null; |
| } |
| |
| public boolean isEphemeral() { |
| return mInfo != null && mInfo.isEphemeral() && |
| mNetworkInfo != null && mNetworkInfo.getState() != State.DISCONNECTED; |
| } |
| |
| /** |
| * Return true if this AccessPoint represents a Passpoint AP. |
| */ |
| public boolean isPasspoint() { |
| return mConfig != null && mConfig.isPasspoint(); |
| } |
| |
| /** |
| * Return true if this AccessPoint represents a Passpoint provider configuration. |
| */ |
| public boolean isPasspointConfig() { |
| return mFqdn != null; |
| } |
| |
| /** |
| * Return whether the given {@link WifiInfo} is for this access point. |
| * If the current AP does not have a network Id then the config is used to |
| * match based on SSID and security. |
| */ |
| private boolean isInfoForThisAccessPoint(WifiConfiguration config, WifiInfo info) { |
| if (isPasspoint() == false && networkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| return networkId == info.getNetworkId(); |
| } else if (config != null) { |
| return matches(config); |
| } |
| else { |
| // Might be an ephemeral connection with no WifiConfiguration. Try matching on SSID. |
| // (Note that we only do this if the WifiConfiguration explicitly equals INVALID). |
| // TODO: Handle hex string SSIDs. |
| return ssid.equals(removeDoubleQuotes(info.getSSID())); |
| } |
| } |
| |
| public boolean isSaved() { |
| return networkId != WifiConfiguration.INVALID_NETWORK_ID; |
| } |
| |
| public Object getTag() { |
| return mTag; |
| } |
| |
| public void setTag(Object tag) { |
| mTag = tag; |
| } |
| |
| /** |
| * Generate and save a default wifiConfiguration with common values. |
| * Can only be called for unsecured networks. |
| */ |
| public void generateOpenNetworkConfig() { |
| if ((security != SECURITY_NONE) && (security != SECURITY_OWE)) { |
| throw new IllegalStateException(); |
| } |
| if (mConfig != null) |
| return; |
| mConfig = new WifiConfiguration(); |
| mConfig.SSID = AccessPoint.convertToQuotedString(ssid); |
| |
| if (security == SECURITY_NONE) { |
| mConfig.allowedKeyManagement.set(KeyMgmt.NONE); |
| } else { |
| mConfig.allowedKeyManagement.set(KeyMgmt.OWE); |
| mConfig.requirePMF = true; |
| } |
| } |
| |
| public void saveWifiState(Bundle savedState) { |
| if (ssid != null) savedState.putString(KEY_SSID, getSsidStr()); |
| savedState.putInt(KEY_SECURITY, security); |
| savedState.putInt(KEY_SPEED, mSpeed); |
| savedState.putInt(KEY_PSKTYPE, pskType); |
| if (mConfig != null) savedState.putParcelable(KEY_CONFIG, mConfig); |
| savedState.putParcelable(KEY_WIFIINFO, mInfo); |
| savedState.putParcelableArray(KEY_SCANRESULTS, |
| mScanResults.toArray(new Parcelable[mScanResults.size()])); |
| savedState.putParcelableArrayList(KEY_SCOREDNETWORKCACHE, |
| new ArrayList<>(mScoredNetworkCache.values())); |
| if (mNetworkInfo != null) { |
| savedState.putParcelable(KEY_NETWORKINFO, mNetworkInfo); |
| } |
| if (mFqdn != null) { |
| savedState.putString(KEY_FQDN, mFqdn); |
| } |
| if (mProviderFriendlyName != null) { |
| savedState.putString(KEY_PROVIDER_FRIENDLY_NAME, mProviderFriendlyName); |
| } |
| savedState.putBoolean(KEY_IS_CARRIER_AP, mIsCarrierAp); |
| savedState.putInt(KEY_CARRIER_AP_EAP_TYPE, mCarrierApEapType); |
| savedState.putString(KEY_CARRIER_NAME, mCarrierName); |
| } |
| |
| public void setListener(AccessPointListener listener) { |
| mAccessPointListener = listener; |
| } |
| |
| /** |
| * Sets {@link #mScanResults} to the given collection. |
| * |
| * @param scanResults a collection of scan results to add to the internal set |
| * @throws IllegalArgumentException if any of the given ScanResults did not belong to this AP |
| */ |
| void setScanResults(Collection<ScanResult> scanResults) { |
| |
| // Validate scan results are for current AP only |
| String key = getKey(); |
| for (ScanResult result : scanResults) { |
| String scanResultKey = AccessPoint.getKey(result); |
| if (!mKey.equals(scanResultKey)) { |
| throw new IllegalArgumentException( |
| String.format("ScanResult %s\nkey of %s did not match current AP key %s", |
| result, scanResultKey, key)); |
| } |
| } |
| |
| |
| int oldLevel = getLevel(); |
| mScanResults.clear(); |
| mScanResults.addAll(scanResults); |
| updateRssi(); |
| int newLevel = getLevel(); |
| |
| // If newLevel is 0, there will be no displayed Preference since the AP is unreachable |
| if (newLevel > 0 && newLevel != oldLevel) { |
| // Only update labels on visible rssi changes |
| updateSpeed(); |
| ThreadUtils.postOnMainThread(() -> { |
| if (mAccessPointListener != null) { |
| mAccessPointListener.onLevelChanged(this); |
| } |
| }); |
| |
| } |
| |
| ThreadUtils.postOnMainThread(() -> { |
| if (mAccessPointListener != null) { |
| mAccessPointListener.onAccessPointChanged(this); |
| } |
| }); |
| |
| if (!scanResults.isEmpty()) { |
| ScanResult result = scanResults.iterator().next(); |
| |
| // This flag only comes from scans, is not easily saved in config |
| if (security == SECURITY_PSK) { |
| pskType = getPskType(result); |
| } |
| |
| // The carrier info in the ScanResult is set by the platform based on the SSID and will |
| // always be the same for all matching scan results. |
| mIsCarrierAp = result.isCarrierAp; |
| mCarrierApEapType = result.carrierApEapType; |
| mCarrierName = result.carrierName; |
| } |
| } |
| |
| /** Attempt to update the AccessPoint and return true if an update occurred. */ |
| public boolean update( |
| @Nullable WifiConfiguration config, WifiInfo info, NetworkInfo networkInfo) { |
| |
| boolean updated = false; |
| final int oldLevel = getLevel(); |
| if (info != null && isInfoForThisAccessPoint(config, info)) { |
| updated = (mInfo == null); |
| if (mConfig != config) { |
| // We do not set updated = true as we do not want to increase the amount of sorting |
| // and copying performed in WifiTracker at this time. If issues involving refresh |
| // are still seen, we will investigate further. |
| update(config); // Notifies the AccessPointListener of the change |
| } |
| if (mRssi != info.getRssi() && info.getRssi() != WifiInfo.INVALID_RSSI) { |
| mRssi = info.getRssi(); |
| updated = true; |
| } else if (mNetworkInfo != null && networkInfo != null |
| && mNetworkInfo.getDetailedState() != networkInfo.getDetailedState()) { |
| updated = true; |
| } |
| mInfo = info; |
| mNetworkInfo = networkInfo; |
| } else if (mInfo != null) { |
| updated = true; |
| mInfo = null; |
| mNetworkInfo = null; |
| } |
| if (updated && mAccessPointListener != null) { |
| ThreadUtils.postOnMainThread(() -> { |
| if (mAccessPointListener != null) { |
| mAccessPointListener.onAccessPointChanged(this); |
| } |
| }); |
| |
| if (oldLevel != getLevel() /* current level */) { |
| ThreadUtils.postOnMainThread(() -> { |
| if (mAccessPointListener != null) { |
| mAccessPointListener.onLevelChanged(this); |
| } |
| }); |
| } |
| } |
| |
| return updated; |
| } |
| |
| void update(@Nullable WifiConfiguration config) { |
| mConfig = config; |
| networkId = config != null ? config.networkId : WifiConfiguration.INVALID_NETWORK_ID; |
| ThreadUtils.postOnMainThread(() -> { |
| if (mAccessPointListener != null) { |
| mAccessPointListener.onAccessPointChanged(this); |
| } |
| }); |
| } |
| |
| @VisibleForTesting |
| void setRssi(int rssi) { |
| mRssi = rssi; |
| } |
| |
| /** Sets the rssi to {@link #UNREACHABLE_RSSI}. */ |
| void setUnreachable() { |
| setRssi(AccessPoint.UNREACHABLE_RSSI); |
| } |
| |
| int getSpeed() { return mSpeed;} |
| |
| @Nullable |
| String getSpeedLabel() { |
| return getSpeedLabel(mSpeed); |
| } |
| |
| @Nullable |
| @Speed |
| private static int roundToClosestSpeedEnum(int speed) { |
| if (speed < Speed.SLOW) { |
| return Speed.NONE; |
| } else if (speed < (Speed.SLOW + Speed.MODERATE) / 2) { |
| return Speed.SLOW; |
| } else if (speed < (Speed.MODERATE + Speed.FAST) / 2) { |
| return Speed.MODERATE; |
| } else if (speed < (Speed.FAST + Speed.VERY_FAST) / 2) { |
| return Speed.FAST; |
| } else { |
| return Speed.VERY_FAST; |
| } |
| } |
| |
| @Nullable |
| String getSpeedLabel(@Speed int speed) { |
| return getSpeedLabel(mContext, speed); |
| } |
| |
| private static String getSpeedLabel(Context context, int speed) { |
| switch (speed) { |
| case Speed.VERY_FAST: |
| return context.getString(R.string.speed_label_very_fast); |
| case Speed.FAST: |
| return context.getString(R.string.speed_label_fast); |
| case Speed.MODERATE: |
| return context.getString(R.string.speed_label_okay); |
| case Speed.SLOW: |
| return context.getString(R.string.speed_label_slow); |
| case Speed.NONE: |
| default: |
| return null; |
| } |
| } |
| |
| /** Return the speed label for a {@link ScoredNetwork} at the specified {@code rssi} level. */ |
| @Nullable |
| public static String getSpeedLabel(Context context, ScoredNetwork scoredNetwork, int rssi) { |
| return getSpeedLabel(context, roundToClosestSpeedEnum(scoredNetwork.calculateBadge(rssi))); |
| } |
| |
| /** Return true if the current RSSI is reachable, and false otherwise. */ |
| public boolean isReachable() { |
| return mRssi != UNREACHABLE_RSSI; |
| } |
| |
| public static String getSummary(Context context, String ssid, DetailedState state, |
| boolean isEphemeral, String passpointProvider) { |
| if (state == DetailedState.CONNECTED && ssid == null) { |
| if (TextUtils.isEmpty(passpointProvider) == false) { |
| // Special case for connected + passpoint networks. |
| String format = context.getString(R.string.connected_via_passpoint); |
| return String.format(format, passpointProvider); |
| } else if (isEphemeral) { |
| // Special case for connected + ephemeral networks. |
| final NetworkScoreManager networkScoreManager = context.getSystemService( |
| NetworkScoreManager.class); |
| NetworkScorerAppData scorer = networkScoreManager.getActiveScorer(); |
| if (scorer != null && scorer.getRecommendationServiceLabel() != null) { |
| String format = context.getString(R.string.connected_via_network_scorer); |
| return String.format(format, scorer.getRecommendationServiceLabel()); |
| } else { |
| return context.getString(R.string.connected_via_network_scorer_default); |
| } |
| } |
| } |
| |
| // Case when there is wifi connected without internet connectivity. |
| final ConnectivityManager cm = (ConnectivityManager) |
| context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (state == DetailedState.CONNECTED) { |
| IWifiManager wifiManager = IWifiManager.Stub.asInterface( |
| ServiceManager.getService(Context.WIFI_SERVICE)); |
| NetworkCapabilities nc = null; |
| |
| try { |
| nc = cm.getNetworkCapabilities(wifiManager.getCurrentNetwork()); |
| } catch (RemoteException e) {} |
| |
| if (nc != null) { |
| if (nc.hasCapability(nc.NET_CAPABILITY_CAPTIVE_PORTAL)) { |
| int id = context.getResources() |
| .getIdentifier("network_available_sign_in", "string", "android"); |
| return context.getString(id); |
| } else if (!nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)) { |
| return context.getString(R.string.wifi_connected_no_internet); |
| } |
| } |
| } |
| if (state == null) { |
| Log.w(TAG, "state is null, returning empty summary"); |
| return ""; |
| } |
| String[] formats = context.getResources().getStringArray((ssid == null) |
| ? R.array.wifi_status : R.array.wifi_status_with_ssid); |
| int index = state.ordinal(); |
| |
| if (index >= formats.length || formats[index].length() == 0) { |
| return ""; |
| } |
| return String.format(formats[index], ssid); |
| } |
| |
| public static String getSummary(Context context, DetailedState state, boolean isEphemeral) { |
| return getSummary(context, null, state, isEphemeral, null); |
| } |
| |
| public static String getSummary(Context context, DetailedState state, boolean isEphemeral, |
| String passpointProvider) { |
| return getSummary(context, null, state, isEphemeral, passpointProvider); |
| } |
| |
| public static String convertToQuotedString(String string) { |
| return "\"" + string + "\""; |
| } |
| |
| private static int getPskType(ScanResult result) { |
| boolean wpa = result.capabilities.contains("WPA-PSK"); |
| boolean wpa2 = result.capabilities.contains("WPA2-PSK"); |
| if (wpa2 && wpa) { |
| return PSK_WPA_WPA2; |
| } else if (wpa2) { |
| return PSK_WPA2; |
| } else if (wpa) { |
| return PSK_WPA; |
| } else { |
| Log.w(TAG, "Received abnormal flag string: " + result.capabilities); |
| return PSK_UNKNOWN; |
| } |
| } |
| |
| private static int getSecurity(ScanResult result) { |
| if (result.capabilities.contains("WEP")) { |
| return SECURITY_WEP; |
| } else if (result.capabilities.contains("SAE")) { |
| return SECURITY_SAE; |
| } else if (result.capabilities.contains("PSK")) { |
| return SECURITY_PSK; |
| } else if (result.capabilities.contains("EAP_SUITE_B_192")) { |
| return SECURITY_EAP_SUITE_B; |
| } else if (result.capabilities.contains("EAP")) { |
| return SECURITY_EAP; |
| } else if (result.capabilities.contains("OWE")) { |
| return SECURITY_OWE; |
| } |
| |
| return SECURITY_NONE; |
| } |
| |
| static int getSecurity(WifiConfiguration config) { |
| if (config.allowedKeyManagement.get(KeyMgmt.SAE)) { |
| return SECURITY_SAE; |
| } |
| if (config.allowedKeyManagement.get(KeyMgmt.WPA_PSK)) { |
| return SECURITY_PSK; |
| } |
| if (config.allowedKeyManagement.get(KeyMgmt.SUITE_B_192)) { |
| return SECURITY_EAP_SUITE_B; |
| } |
| if (config.allowedKeyManagement.get(KeyMgmt.WPA_EAP) || |
| config.allowedKeyManagement.get(KeyMgmt.IEEE8021X)) { |
| return SECURITY_EAP; |
| } |
| if (config.allowedKeyManagement.get(KeyMgmt.OWE)) { |
| return SECURITY_OWE; |
| } |
| return (config.wepKeys[0] != null) ? SECURITY_WEP : SECURITY_NONE; |
| } |
| |
| public static String securityToString(int security, int pskType) { |
| if (security == SECURITY_WEP) { |
| return "WEP"; |
| } else if (security == SECURITY_PSK) { |
| if (pskType == PSK_WPA) { |
| return "WPA"; |
| } else if (pskType == PSK_WPA2) { |
| return "WPA2"; |
| } else if (pskType == PSK_WPA_WPA2) { |
| return "WPA_WPA2"; |
| } |
| return "PSK"; |
| } else if (security == SECURITY_EAP) { |
| return "EAP"; |
| } else if (security == SECURITY_SAE) { |
| return "SAE"; |
| } else if (security == SECURITY_EAP_SUITE_B) { |
| return "SUITE_B"; |
| } else if (security == SECURITY_OWE) { |
| return "OWE"; |
| } |
| return "NONE"; |
| } |
| |
| static String removeDoubleQuotes(String string) { |
| if (TextUtils.isEmpty(string)) { |
| return ""; |
| } |
| int length = string.length(); |
| if ((length > 1) && (string.charAt(0) == '"') |
| && (string.charAt(length - 1) == '"')) { |
| return string.substring(1, length - 1); |
| } |
| return string; |
| } |
| |
| /** |
| * Callbacks relaying changes to the AccessPoint representation. |
| * |
| * <p>All methods are invoked on the Main Thread. |
| */ |
| public interface AccessPointListener { |
| /** |
| * Indicates a change to the externally visible state of the AccessPoint trigger by an |
| * update of ScanResults, saved configuration state, connection state, or score |
| * (labels/metered) state. |
| * |
| * <p>Clients should refresh their view of the AccessPoint to match the updated state when |
| * this is invoked. Overall this method is extraneous if clients are listening to |
| * {@link WifiTracker.WifiListener#onAccessPointsChanged()} callbacks. |
| * |
| * <p>Examples of changes include signal strength, connection state, speed label, and |
| * generally anything that would impact the summary string. |
| * |
| * @param accessPoint The accessPoint object the listener was registered on which has |
| * changed |
| */ |
| @MainThread void onAccessPointChanged(AccessPoint accessPoint); |
| |
| /** |
| * Indicates the "wifi pie signal level" has changed, retrieved via calls to |
| * {@link AccessPoint#getLevel()}. |
| * |
| * <p>This call is a subset of {@link #onAccessPointChanged(AccessPoint)} , hence is also |
| * extraneous if the client is already reacting to that or the |
| * {@link WifiTracker.WifiListener#onAccessPointsChanged()} callbacks. |
| * |
| * @param accessPoint The accessPoint object the listener was registered on whose level has |
| * changed |
| */ |
| @MainThread void onLevelChanged(AccessPoint accessPoint); |
| } |
| |
| private static boolean isVerboseLoggingEnabled() { |
| return WifiTracker.sVerboseLogging || Log.isLoggable(TAG, Log.VERBOSE); |
| } |
| } |
