456 lines
21 KiB
Java
456 lines
21 KiB
Java
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package com.android.server.wifi;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.content.Context;
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import android.content.Intent;
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import android.net.DhcpInfo;
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import android.net.LinkAddress;
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import android.net.LinkProperties;
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import android.net.MacAddress;
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import android.net.KeepalivePacketData;
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import android.net.Network;
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import android.net.NetworkAgent;
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import android.net.NetworkAgentConfig;
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import android.net.NetworkCapabilities;
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import android.net.NetworkInfo;
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import android.net.NetworkInfo.DetailedState;
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import android.net.wifi.WifiConfiguration.NetworkSelectionStatus;
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import android.net.wifi.ScanResult;
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import android.net.wifi.hotspot2.IProvisioningCallback;
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import android.net.wifi.hotspot2.OsuProvider;
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import android.net.wifi.hotspot2.PasspointConfiguration;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import android.net.wifi.WifiSsid;
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import android.net.Uri;
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import android.os.Binder;
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import android.os.Process;
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import android.os.SystemClock;
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import android.os.SystemProperties;
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import android.os.UserHandle;
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import android.text.TextUtils;
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import android.util.Log;
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import com.android.modules.utils.ParceledListSlice;
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import java.net.Inet4Address;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Arrays;
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import java.net.UnknownHostException;
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import java.time.Duration;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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public final class WifiHelper {
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private static final String TAG = "WifiHelper";
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private static final String DEFAULT_SSID = "mywifi";
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private static final String DEFAULT_BSSID = "02:00:00:00:00:00";
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private static final String DEFAULT_MAC = "02:00:00:00:00:00"; //WifiInfo.DEFAULT_MAC_ADDRESS;
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private static final String DEFAULT_IP = "192.168.100.15";
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private static final String DEFAULT_IPV6 = "fe80::cd7f:1cb2:3d5c:65ed";
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private static final String DEFAULT_GATEWAY = "192.168.100.1";
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private static final String DEFAULT_DNS1 = "8.8.8.8";
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private static final String DEFAULT_DNS2 = "8.8.4.4";
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private static final int DEFAULT_HESSID = 0;
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private static final int DEFAULT_ANQP_DOMAIN_ID = 0;
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private static final String DEFAULT_CAPABILITIES = ""; //[WAP2-PSK-CCMP][RSN-PSK-CCMP]
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private static final int DEFAULT_LEVEL = 0;
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private static final int DEFAULT_FREQUENCY = 2413;
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private static final int DEFAULT_DISTANCE = -1;
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private static final int DEFAULT_DISTANCESD = -1;
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private static final int DEFAULT_CHANNEL_WIDTH = 0;
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private static final int DEFAULT_CENTER_FREQ0 = -1;
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private static final int DEFAULT_CENTER_FREQ1 = -1;
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private static final boolean DEFAULT_IS_80211_MCRTTRESPONDER = true;
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private static final int DEFAULT_CARRIER_AP_EAP_TYPE = -1;
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private static final int DEFAULT_RSSI = -50;
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private static final int DEFAULT_LINKSPEED = 400;
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private static final int DEFAULT_TXLINKSPEED = 400;
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private static final int DEFAULT_RXLINKSPEED = 400;
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private static final boolean DEFAULT_HINT = false;
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private static final boolean DEFAULT_EPHEMERAL = false;
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private static final boolean DEFAULT_TRUSTED = false;
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private static final boolean DEFAULT_OSUAP = false;
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private static final String DEFAULT_FQDN = "null";
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private static final int DEFAULT_TX_BAD = 0;
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private static final int DEFAULT_TX_RETRIES = 0;
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private static final int DEFAULT_TX_SUCCESS = 0;
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private static final int DEFAULT_RX_SUCCESS = 0;
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private static final int DEFAULT_TX_BADRATE = 0;
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private static final int DEFAULT_TX_RETRIES_RATE = 0;
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private static final int DEFAULT_TX_SUCCESS_RATE = 0;
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private static final int DEFAULT_RX_SUCCESS_RATE = 0;
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private static final int DEFAULT_SCORE = 90;
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private static final int DEFAULT_NET_ID = 0;
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private static final String DEFAULT_SCANRESULTS =
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"[{"
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+ "\"SSID\":\"" + DEFAULT_SSID + "\""
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+ ",\"BSSID\":\"" + DEFAULT_BSSID + "\""
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+ ",\"IP\":\"" + DEFAULT_IP + "\""
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+ ",\"hessid\": " + DEFAULT_HESSID
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+ ",\"anqpDomainId\": " + DEFAULT_ANQP_DOMAIN_ID
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+ ",\"capabilities\":\" " + DEFAULT_CAPABILITIES + "\""
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+ ",\"level\":" + DEFAULT_LEVEL
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+ ",\"linkSpeed\":" + DEFAULT_LINKSPEED
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+ ",\"txLinkSpeed\":" + DEFAULT_TXLINKSPEED
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+ ",\"rxLinkSpeed\":" + DEFAULT_RXLINKSPEED
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+ ",\"frequency\":" + DEFAULT_FREQUENCY
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+ ",\"distance\":" + DEFAULT_DISTANCE
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+ ",\"distanceSd\":" + DEFAULT_DISTANCESD
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+ ",\"channelWidth\":" + DEFAULT_CHANNEL_WIDTH
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+ ",\"centerFreq0\":" + DEFAULT_CENTER_FREQ0
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+ ",\"centerFreq1\":" + DEFAULT_CENTER_FREQ1
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+ ",\"is80211McRTTResponder\":" + DEFAULT_IS_80211_MCRTTRESPONDER
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+ "}]";
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private Context mContext;
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private String mLastMAC;
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private String mLastSSID;
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private String mLastBSSID;
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private String mIpAddress;
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private String mDNS1;
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private String mDNS2;
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private String mGateway;
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private int mLastNetworkId = DEFAULT_NET_ID;
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private boolean dbg = (SystemProperties.getInt("persist.sys.cloud.debug.wifi", 0) == 1);
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private final WifiConfigManager mWifiConfigManager;
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public WifiHelper(Context context, WifiConfigManager wifiConfigManager) {
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mContext = context;
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mWifiConfigManager = wifiConfigManager;
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mWifiConfigManager.enableVerboseLogging(dbg);
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}
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private int ipToInt(String ipAddress) {
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try {
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InetAddress inetAddress = InetAddress.getByName(ipAddress);
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byte[] addressBytes = inetAddress.getAddress();
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return (addressBytes[0] & 0xFF) << 24 |
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(addressBytes[1] & 0xFF) << 16 |
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(addressBytes[2] & 0xFF) << 8 |
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(addressBytes[3] & 0xFF);
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} catch (UnknownHostException e) {
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e.printStackTrace();
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return 0;
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}
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}
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private Inet4Address convertToInet4Address(String ipAddress) {
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try {
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int result = ipToInt(ipAddress);
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byte[] ipAddressBytes = new byte[]{
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(byte) ((result >> 24) & 0xFF),
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(byte) ((result >> 16) & 0xFF),
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(byte) ((result >> 8) & 0xFF),
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(byte) (result & 0xFF)
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};
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InetAddress inetAddress = InetAddress.getByAddress(ipAddressBytes);
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if (inetAddress instanceof Inet4Address) {
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return (Inet4Address) inetAddress;
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} else {
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System.out.println("Not an IPv4 address");
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return null;
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}
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} catch (UnknownHostException e) {
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e.printStackTrace();
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return null;
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}
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}
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public WifiInfo getConnectionInfoFromVCloud(String callingPackage) {
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String jsonString = android.provider.VCloudSettings.Global.getString(mContext.getContentResolver(), "wifi.scanresults");
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if (TextUtils.isEmpty(jsonString)) {
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jsonString = DEFAULT_SCANRESULTS;
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}
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try {
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WifiInfo wifiInfo = new WifiInfo();
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wifiInfo.setRequestingPackageName(callingPackage);
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JSONArray jsonArray = new JSONArray(jsonString);
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JSONObject jsonObject = jsonArray.getJSONObject(0);
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mLastSSID = jsonObject.optString("SSID", DEFAULT_SSID);
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String mock_ssid = SystemProperties.get("persist.sys.cloud.wifi.ssid");
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if (null != mock_ssid && !mock_ssid.isEmpty()) {
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mLastSSID = mock_ssid;
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}
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wifiInfo.setSSID(WifiSsid.createFromAsciiEncoded(mLastSSID));
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mLastBSSID = jsonObject.optString("BSSID", DEFAULT_BSSID);
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wifiInfo.setBSSID(mLastBSSID);
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mLastMAC = jsonObject.optString("MAC", DEFAULT_MAC);
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wifiInfo.setMacAddress(mLastMAC);
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mIpAddress = jsonObject.optString("IP", DEFAULT_IP);
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String mock_ipv4 = SystemProperties.get("persist.sys.cloud.wifi.ip");
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if (null != mock_ipv4 && !mock_ipv4.isEmpty()) {
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mIpAddress = mock_ipv4;
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}
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try {
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wifiInfo.setInetAddress(InetAddress.getByName(mIpAddress));
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} catch (UnknownHostException e) {
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}
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mDNS1 = jsonObject.optString("DNS1", DEFAULT_DNS1);
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mDNS2 = jsonObject.optString("DNS2", DEFAULT_DNS2);
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String mockDns1 = SystemProperties.get("persist.sys.cloud.wifi.dns1");
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if (null != mockDns1 && !mockDns1.isEmpty()) {
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mDNS1 = mockDns1;
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mDNS2 = SystemProperties.get("persist.sys.cloud.wifi.dns2");
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}
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mGateway = jsonObject.optString("gateway", DEFAULT_GATEWAY);
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String mock_gateway = SystemProperties.get("persist.sys.cloud.wifi.gateway");
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if (null != mock_gateway && !mock_gateway.isEmpty()) {
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mGateway = mock_gateway;
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}
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wifiInfo.setRssi(jsonObject.optInt("rssi", DEFAULT_RSSI));
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wifiInfo.setLinkSpeed(jsonObject.optInt("linkSpeed", DEFAULT_LINKSPEED));
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wifiInfo.setTxLinkSpeedMbps(jsonObject.optInt("txLinkSpeed", DEFAULT_TXLINKSPEED));
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wifiInfo.setRxLinkSpeedMbps(jsonObject.optInt("rxLinkSpeed", DEFAULT_RXLINKSPEED));
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wifiInfo.setMaxSupportedTxLinkSpeedMbps(jsonObject.optInt("txLinkSpeedMax", DEFAULT_TXLINKSPEED));
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wifiInfo.setMaxSupportedRxLinkSpeedMbps(jsonObject.optInt("rxLinkSpeedMax", DEFAULT_RXLINKSPEED));
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wifiInfo.setFrequency(jsonObject.optInt("frequency", DEFAULT_FREQUENCY));
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wifiInfo.setMeteredHint(jsonObject.optBoolean("hint", DEFAULT_HINT));
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wifiInfo.setEphemeral(jsonObject.optBoolean("ephemeral", DEFAULT_EPHEMERAL));
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wifiInfo.setTrusted(jsonObject.optBoolean("trusted", DEFAULT_TRUSTED));
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wifiInfo.setOsuAp(jsonObject.optBoolean("osuAp", DEFAULT_OSUAP));
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wifiInfo.setFQDN(jsonObject.optString("fqdn", DEFAULT_FQDN));
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wifiInfo.setCurrentSecurityType(WifiConfiguration.SECURITY_TYPE_OPEN);
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wifiInfo.setNetworkId(mLastNetworkId);
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return wifiInfo;
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} catch (JSONException e){
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Log.e(TAG, "update wifiInfo failed:" + e);
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return null;
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}
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}
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public List<ScanResult> ScanResultsFromVCloud() {
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String jsonString = android.provider.VCloudSettings.Global.getString(mContext.getContentResolver(), "wifi.scanresults");
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if (TextUtils.isEmpty(jsonString)) {
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jsonString = DEFAULT_SCANRESULTS;
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}
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List<ScanResult> scanResults = new ArrayList<>();
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try {
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JSONArray jsonArray = new JSONArray(jsonString);
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for (int i = 0; i < jsonArray.length(); i++) {
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JSONObject jsonObject = jsonArray.getJSONObject(i);
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ScanResult scanResult = new ScanResult();
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String ssid = jsonObject.optString("SSID", DEFAULT_SSID);
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String mock_ssid = SystemProperties.get("persist.sys.cloud.wifi.ssid");
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if (null != mock_ssid && !mock_ssid.isEmpty()) {
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ssid = mock_ssid;
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}
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scanResult.wifiSsid = WifiSsid.createFromAsciiEncoded(ssid);
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scanResult.SSID = ssid;
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scanResult.BSSID = jsonObject.optString("BSSID", DEFAULT_BSSID);
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scanResult.hessid = jsonObject.optInt("hessid", DEFAULT_HESSID);
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scanResult.anqpDomainId = jsonObject.optInt("anqpDomainId", DEFAULT_ANQP_DOMAIN_ID);
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byte[] osuProviders = null;
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scanResult.capabilities = jsonObject.optString("capabilities", DEFAULT_CAPABILITIES);
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scanResult.level = jsonObject.optInt("level", DEFAULT_LEVEL);
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scanResult.frequency = jsonObject.optInt("frequency", DEFAULT_FREQUENCY);
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scanResult.timestamp = SystemClock.elapsedRealtimeNanos()/1000;
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scanResult.distanceCm = jsonObject.optInt("distance", DEFAULT_DISTANCE);
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scanResult.distanceSdCm = jsonObject.optInt("distanceSd", DEFAULT_DISTANCESD);
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scanResult.channelWidth = jsonObject.optInt("channelWidth", DEFAULT_CHANNEL_WIDTH);
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scanResult.centerFreq0 = jsonObject.optInt("centerFreq0", DEFAULT_CENTER_FREQ0);
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scanResult.centerFreq1 = jsonObject.optInt("centerFreq1", DEFAULT_CENTER_FREQ1);
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scanResult.is80211McRTTResponder = jsonObject.optBoolean("is80211McRTTResponder", DEFAULT_IS_80211_MCRTTRESPONDER);
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//scanResult.carrierApEapType = jsonObject.optInt("carrierApEapType", DEFAULT_CARRIER_AP_EAP_TYPE);
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if (scanResult.is80211McRTTResponder) {
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scanResult.setFlag(ScanResult.FLAG_80211mc_RESPONDER);
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} else {
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scanResult.clearFlag(ScanResult.FLAG_80211mc_RESPONDER);
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}
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boolean passpoint = jsonObject.optBoolean("passpoint", false);
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if (passpoint) {
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scanResult.setFlag(ScanResult.FLAG_PASSPOINT_NETWORK);
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} else {
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scanResult.clearFlag(ScanResult.FLAG_PASSPOINT_NETWORK);
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}
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scanResults.add(scanResult);
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break;
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}
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} catch (JSONException e){
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Log.e(TAG, "update WifiInfo failed:" + e);
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}
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updateWifiConfigs(scanResults);
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return scanResults;
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}
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public boolean startScan(String packageName, String featureId) {
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if (dbg) Log.d(TAG, "startScan(" + packageName + "," + featureId + ")");
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long callingIdentity = Binder.clearCallingIdentity();
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Intent intent = new Intent(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
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intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
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intent.putExtra(WifiManager.EXTRA_RESULTS_UPDATED, true);
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mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
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return true;
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}
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public List<ScanResult> getScanResults(String callingPackage, String callingFeatureId) {
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if (dbg) Log.d(TAG, "getScanResults(" + callingPackage + "," + callingFeatureId + "), stack:" + Arrays.toString(Thread.currentThread().getStackTrace()));
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List<ScanResult> results = ScanResultsFromVCloud();
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if (dbg) Log.d(TAG, "ScanResults:" + results);
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return results;
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}
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public WifiInfo getConnectionInfo(@NonNull String callingPackage, @Nullable String callingFeatureId) {
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if (dbg) Log.d(TAG, "getConnectionInfo(" + callingPackage + "," + callingFeatureId + "), stack:" + Arrays.toString(Thread.currentThread().getStackTrace()));
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WifiInfo wifiInfo = getConnectionInfoFromVCloud(callingPackage);
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if (dbg) Log.d(TAG, "ConnectionInfo:" + wifiInfo);
|
||
|
|
return wifiInfo;
|
||
|
|
}
|
||
|
|
|
||
|
|
public ParceledListSlice<WifiConfiguration> getConfiguredNetworks(String packageName, String featureId) {
|
||
|
|
long ident = Binder.clearCallingIdentity();
|
||
|
|
try {
|
||
|
|
if (dbg) Log.d(TAG, "getConfiguredNetworks(" + packageName + "," + featureId + "), stack:" + Arrays.toString(Thread.currentThread().getStackTrace()));
|
||
|
|
List<ScanResult> scanResults = ScanResultsFromVCloud();
|
||
|
|
List<WifiConfiguration> configs = mWifiConfigManager.getSavedNetworks(Process.WIFI_UID);
|
||
|
|
if (configs.size() > 0) {
|
||
|
|
configs.get(0).networkId = mLastNetworkId;
|
||
|
|
}
|
||
|
|
if (dbg) Log.d(TAG, "configuredNetworks:" + configs);
|
||
|
|
return new ParceledListSlice<>(WifiConfigurationUtil.convertMultiTypeConfigsToLegacyConfigs(configs));
|
||
|
|
} finally {
|
||
|
|
Binder.restoreCallingIdentity(ident);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public List<PasspointConfiguration> getPasspointConfigurations(String packageName) {
|
||
|
|
if (dbg) Log.d(TAG, "getPasspointConfigurations(" + packageName + ")");
|
||
|
|
List<PasspointConfiguration> configs = new ArrayList<>();
|
||
|
|
return configs;
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int ipToInteger(String ipAddress) {
|
||
|
|
if (null == ipAddress || ipAddress.isEmpty()) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
String[] ipAddressArray = ipAddress.split("\\.");
|
||
|
|
|
||
|
|
if (ipAddressArray.length != 4) {
|
||
|
|
throw new IllegalArgumentException("Invalid IP address format");
|
||
|
|
}
|
||
|
|
|
||
|
|
int rs = 0;
|
||
|
|
for (int i = 0; i < 4; i++) {
|
||
|
|
int octet = Integer.parseInt(ipAddressArray[i]) << 8 * i;
|
||
|
|
rs = rs | octet;
|
||
|
|
// ipInteger = (ipInteger << 8) | octet;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return rs;
|
||
|
|
}
|
||
|
|
|
||
|
|
public DhcpInfo getDhcpInfo(@NonNull String packageName) {
|
||
|
|
if (dbg) Log.d(TAG, "getDhcpInfo:" + packageName);
|
||
|
|
DhcpInfo dhcpInfo = new DhcpInfo();
|
||
|
|
dhcpInfo.serverAddress = ipToInteger(mGateway);
|
||
|
|
dhcpInfo.ipAddress = ipToInteger(mIpAddress);
|
||
|
|
dhcpInfo.gateway = ipToInteger(mGateway);
|
||
|
|
dhcpInfo.dns1 = ipToInteger(mDNS1);
|
||
|
|
dhcpInfo.dns2 = ipToInteger(mDNS2);
|
||
|
|
if (dbg) Log.d(TAG, "dhcpInfo:" + dhcpInfo);
|
||
|
|
return dhcpInfo;
|
||
|
|
}
|
||
|
|
|
||
|
|
public Network getCurrentNetwork() {
|
||
|
|
if (dbg) Log.d(TAG, "getCurrentNetwork()");
|
||
|
|
Network network = new Network(mLastNetworkId, false);
|
||
|
|
if (dbg) Log.d(TAG, "network:" + network);
|
||
|
|
return network;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void updateWifiConfigs(List<ScanResult> scanResults) {
|
||
|
|
List<WifiConfiguration> configs = mWifiConfigManager.getSavedNetworks(Process.WIFI_UID);
|
||
|
|
if (dbg) {
|
||
|
|
for(WifiConfiguration config: configs) {
|
||
|
|
Log.e(TAG, "updateWifiConfigs WifiConfiguration config.SSID:" + config.SSID + ", config.BSSID:" + config.BSSID);
|
||
|
|
}
|
||
|
|
for (ScanResult scanResult: scanResults) {
|
||
|
|
Log.e(TAG, "updateWifiConfigs ScanResult scanResult.SSID:" + scanResult.SSID + ", scanResult.BSSID:" + scanResult.BSSID);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (configs.size() > 1) {
|
||
|
|
for(WifiConfiguration config: configs) {
|
||
|
|
mWifiConfigManager.removeNetwork(config.networkId, Process.WIFI_UID, "Android");
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
for(WifiConfiguration config: configs) {
|
||
|
|
boolean found = false;
|
||
|
|
for (ScanResult scanResult: scanResults) {
|
||
|
|
if (null != config.BSSID && config.BSSID.equals(scanResult.BSSID)){
|
||
|
|
found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (found) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
mWifiConfigManager.removeNetwork(config.networkId, Process.WIFI_UID, "Android");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
boolean updateFailed = false;
|
||
|
|
for (ScanResult scanResult: scanResults) {
|
||
|
|
boolean found = false;
|
||
|
|
for(WifiConfiguration config: configs) {
|
||
|
|
if (config.BSSID.equals(scanResult.BSSID)){
|
||
|
|
found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (found) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
WifiConfiguration config = generateWifiConfig(mLastNetworkId, Process.WIFI_UID, "\"" + scanResult.SSID + "\"", true, true, null, null);
|
||
|
|
config.BSSID = scanResult.BSSID;
|
||
|
|
config.numAssociation = 2;
|
||
|
|
NetworkUpdateResult result = mWifiConfigManager.addOrUpdateNetwork(config, Process.WIFI_UID);
|
||
|
|
if (!result.isSuccess()) {
|
||
|
|
Log.e(TAG, "CONNECT_NETWORK adding/updating failed");
|
||
|
|
updateFailed = true;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
int netId = result.getNetworkId();
|
||
|
|
mWifiConfigManager.updateNetworkSelectionStatus(netId, NetworkSelectionStatus.NETWORK_SELECTION_ENABLED);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static WifiConfiguration generateWifiConfig(int networkId, int uid, String ssid,
|
||
|
|
boolean shared, boolean enabled, String fqdn, String providerFriendlyName) {
|
||
|
|
final WifiConfiguration config = new WifiConfiguration();
|
||
|
|
config.SSID = ssid;
|
||
|
|
config.networkId = networkId;
|
||
|
|
config.creatorUid = uid;
|
||
|
|
config.shared = shared;
|
||
|
|
config.status = enabled ? WifiConfiguration.Status.ENABLED
|
||
|
|
: WifiConfiguration.Status.DISABLED;
|
||
|
|
config.FQDN = fqdn;
|
||
|
|
config.providerFriendlyName = providerFriendlyName;
|
||
|
|
if (config.FQDN != null) {
|
||
|
|
int uniqueId = config.FQDN.hashCode() + config.networkId + config.creatorUid;
|
||
|
|
// Generate a Passpoint unique id locally for the test
|
||
|
|
config.setPasspointUniqueId(config.FQDN + "_" + uniqueId);
|
||
|
|
}
|
||
|
|
config.addSecurityParams(WifiConfiguration.SECURITY_TYPE_OPEN);
|
||
|
|
return config;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|