| 145 |
145 |
import java.io.PrintWriter;
|
| 146 |
146 |
import java.net.Inet4Address;
|
| 147 |
147 |
import java.net.InetAddress;
|
|
148 |
import java.net.NetworkInterface;
|
| 148 |
149 |
import java.net.UnknownHostException;
|
| 149 |
150 |
import java.util.ArrayDeque;
|
| 150 |
151 |
import java.util.ArrayList;
|
| 151 |
152 |
import java.util.Arrays;
|
| 152 |
153 |
import java.util.Collection;
|
|
154 |
import java.util.Enumeration;
|
| 153 |
155 |
import java.util.HashMap;
|
| 154 |
156 |
import java.util.HashSet;
|
| 155 |
157 |
import java.util.SortedSet;
|
| ... | ... | |
| 1017 |
1019 |
final int uid = Binder.getCallingUid();
|
| 1018 |
1020 |
NetworkState state = getUnfilteredActiveNetworkState(uid);
|
| 1019 |
1021 |
NetworkInfo ni = getFilteredNetworkInfo(state.networkInfo, state.linkProperties, uid);
|
|
1022 |
|
|
1023 |
// TODO RepWifi extension. Remove when a low-level, long-lived solution is found.
|
|
1024 |
if (ni == null) {
|
|
1025 |
ni = getNetworkInfoByInterfaceName(IFACE_NAME_WIFI);
|
|
1026 |
}
|
|
1027 |
if (ni == null) {
|
|
1028 |
ni = getNetworkInfoByInterfaceName(IFACE_NAME_TETHER);
|
|
1029 |
}
|
|
1030 |
|
| 1020 |
1031 |
maybeLogBlockedNetworkInfo(ni, uid);
|
| 1021 |
1032 |
return ni;
|
| 1022 |
1033 |
}
|
|
1034 |
|
|
1035 |
// TODO RepWifi extension. Remove when a low-level, long-lived solution is found.
|
|
1036 |
private static final String IFACE_NAME_WIFI = "wlan0";
|
|
1037 |
private static final String IFACE_NAME_TETHER = "rndis0";
|
|
1038 |
private NetworkInfo getNetworkInfoByInterfaceName(String ifname) {
|
|
1039 |
try {
|
|
1040 |
|
|
1041 |
int type = 0;
|
|
1042 |
String typeName = null;
|
|
1043 |
|
|
1044 |
if (ifname == IFACE_NAME_WIFI) {
|
|
1045 |
type = ConnectivityManager.TYPE_WIFI;
|
|
1046 |
typeName = "WIFI";
|
|
1047 |
|
|
1048 |
} else if (ifname == IFACE_NAME_TETHER) {
|
|
1049 |
type = ConnectivityManager.TYPE_ETHERNET;
|
|
1050 |
typeName = "ETHERNET";
|
|
1051 |
|
|
1052 |
} else {
|
|
1053 |
return null;
|
|
1054 |
}
|
|
1055 |
|
|
1056 |
NetworkInterface nifRep = NetworkInterface.getByName(ifname);
|
|
1057 |
if (nifRep == null) {
|
|
1058 |
return null;
|
|
1059 |
}
|
|
1060 |
|
|
1061 |
Enumeration<InetAddress> ads = nifRep.getInetAddresses();
|
|
1062 |
if (ads == null) {
|
|
1063 |
return null;
|
|
1064 |
}
|
|
1065 |
|
|
1066 |
while (ads.hasMoreElements()) {
|
|
1067 |
|
|
1068 |
InetAddress a = ads.nextElement();
|
|
1069 |
|
|
1070 |
if (a.getHostAddress() != null && a.isSiteLocalAddress()) {
|
|
1071 |
// if the interface has a valid IP address in the range of a
|
|
1072 |
// local network we consider it is connected to an AP.
|
|
1073 |
NetworkInfo ninfo = new NetworkInfo(type, 0, typeName, "");
|
|
1074 |
ninfo.setDetailedState(DetailedState.CONNECTED, null, null);
|
|
1075 |
ninfo.setIsAvailable(true);
|
|
1076 |
return ninfo;
|
|
1077 |
}
|
|
1078 |
|
|
1079 |
}
|
|
1080 |
|
|
1081 |
// if we reached here, the interface has no valid address
|
|
1082 |
return null;
|
|
1083 |
|
|
1084 |
} catch (Exception e) {
|
|
1085 |
// Exceptions are suppressed to avoid crashing the surrounding system service.
|
|
1086 |
// This is only a best-effort hack.
|
|
1087 |
return null;
|
|
1088 |
}
|
|
1089 |
|
|
1090 |
}
|
| 1023 |
1091 |
|
| 1024 |
1092 |
@Override
|
| 1025 |
1093 |
public Network getActiveNetwork() {
|