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Code Issues Releases Wiki Activity

Only add routes when needed

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Refs #395
This commit is contained in:
M66B 2016-03-30 10:46:19 +02:00
parent 8ccdcdfdf8
commit c8cec0839e
1 changed files with 39 additions and 32 deletions
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71
app/src/main/java/eu/faircode/netguard/ServiceSinkhole.java
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@ -969,47 +969,54 @@ public class ServiceSinkhole extends VpnService implements SharedPreferences.OnS
builder.addDnsServer(dns);
}
// Exclude IP ranges
List<IPUtil.CIDR> listExclude = new ArrayList<>();
listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost
if (tethering) {
// USB Tethering 192.168.42.x
// Wi-Fi Tethering 192.168.43.x
listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
}
// Routing
Configuration config = getResources().getConfiguration();
if (config.mcc == 310 && config.mnc == 260) {
// T-Mobile Wi-Fi calling
listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
}
listExclude.add(new IPUtil.CIDR("224.0.0.0", 3)); // broadcast
if (tethering || (config.mcc == 310 && config.mnc == 260)) {
// Exclude IP ranges
List<IPUtil.CIDR> listExclude = new ArrayList<>();
listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost
Collections.sort(listExclude);
if (tethering) {
// USB Tethering 192.168.42.x
// Wi-Fi Tethering 192.168.43.x
listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
}
try {
InetAddress start = InetAddress.getByName("0.0.0.0");
for (IPUtil.CIDR exclude : listExclude) {
Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..." + exclude.getEnd().getHostAddress());
for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
if (config.mcc == 310 && config.mnc == 260) {
// T-Mobile Wi-Fi calling
listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
}
listExclude.add(new IPUtil.CIDR("224.0.0.0", 3)); // broadcast
Collections.sort(listExclude);
try {
InetAddress start = InetAddress.getByName("0.0.0.0");
for (IPUtil.CIDR exclude : listExclude) {
Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..." + exclude.getEnd().getHostAddress());
for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
try {
builder.addRoute(include.address, include.prefix);
} catch (Throwable ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
start = IPUtil.plus1(exclude.getEnd());
}
for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
try {
builder.addRoute(include.address, include.prefix);
} catch (Throwable ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
start = IPUtil.plus1(exclude.getEnd());
} catch (UnknownHostException ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
try {
builder.addRoute(include.address, include.prefix);
} catch (Throwable ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
} catch (UnknownHostException ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
} else
builder.addRoute("0.0.0.0", 0);
builder.addRoute("0:0:0:0:0:0:0:0", 0);