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TunnelEditorFragment: add DNSes to allowedIPs when excluding rfc1918

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2018-07-12 02:04:52 +02:00
parent eab0248aaa
commit 26d762bc5c
3 changed files with 97 additions and 22 deletions
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app/src/main/java/com/wireguard/config/Peer.java
+50 -20
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@@ -21,6 +21,7 @@ import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
@@ -213,6 +214,8 @@ public class Peer {
private String persistentKeepalive;
private String preSharedKey;
private String publicKey;
private List<String> interfaceDNSRoutes;
private int numSiblings;
public Observable(final Peer parent) {
loadData(parent);
@@ -224,6 +227,9 @@ public class Peer {
persistentKeepalive = in.readString();
preSharedKey = in.readString();
publicKey = in.readString();
numSiblings = in.readInt();
interfaceDNSRoutes = new ArrayList<>();
in.readStringList(interfaceDNSRoutes);
}
public static Observable newInstance() {
@@ -251,36 +257,36 @@ public class Peer {
private static final List<String> DEFAULT_ROUTE_MOD_RFC1918_V4 = Arrays.asList("0.0.0.0/5", "8.0.0.0/7", "11.0.0.0/8", "12.0.0.0/6", "16.0.0.0/4", "32.0.0.0/3", "64.0.0.0/2", "128.0.0.0/3", "160.0.0.0/5", "168.0.0.0/6", "172.0.0.0/12", "172.32.0.0/11", "172.64.0.0/10", "172.128.0.0/9", "173.0.0.0/8", "174.0.0.0/7", "176.0.0.0/4", "192.0.0.0/9", "192.128.0.0/11", "192.160.0.0/13", "192.169.0.0/16", "192.170.0.0/15", "192.172.0.0/14", "192.176.0.0/12", "192.192.0.0/10", "193.0.0.0/8", "194.0.0.0/7", "196.0.0.0/6", "200.0.0.0/5", "208.0.0.0/4");
public void toggleExcludePrivateIPs() {
final HashSet<String> ips = new HashSet<>(Arrays.asList(Attribute.stringToList(allowedIPs)));
final Collection<String> ips = new HashSet<>(Arrays.asList(Attribute.stringToList(allowedIPs)));
final boolean hasDefaultRoute = ips.contains(DEFAULT_ROUTE_V4);
final boolean hasDefaultRouteModRFC1918 = ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
if (hasDefaultRoute && hasDefaultRouteModRFC1918)
ips.removeAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
else if (hasDefaultRoute) {
ips.remove(DEFAULT_ROUTE_V4);
if ((!hasDefaultRoute && !hasDefaultRouteModRFC1918) || numSiblings > 0)
return;
ips.clear();
if (hasDefaultRoute) {
ips.addAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
} else if (hasDefaultRouteModRFC1918) {
ips.removeAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
ips.addAll(interfaceDNSRoutes);
} else if (hasDefaultRouteModRFC1918)
ips.add(DEFAULT_ROUTE_V4);
}
setAllowedIPs(Attribute.iterableToString(ips));
}
@Bindable
public boolean getCanToggleExcludePrivateIPs() {
final Collection<String> ips = Arrays.asList(Attribute.stringToList(allowedIPs));
return numSiblings == 0 && (ips.contains(DEFAULT_ROUTE_V4) || ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4));
}
@Bindable
public boolean getIsExcludePrivateIPsOn() {
return numSiblings == 0 && Arrays.asList(Attribute.stringToList(allowedIPs)).containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
}
@Bindable
public String getAllowedIPs() {
return allowedIPs;
}
@Bindable
public boolean getAllowedIPsContainsDefaultRoute() {
return Arrays.asList(Attribute.stringToList(allowedIPs)).contains(DEFAULT_ROUTE_V4);
}
@Bindable
public boolean getAllowedIPsContainsDefaultRouteModRFC1918() {
return Arrays.asList(Attribute.stringToList(allowedIPs)).containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
}
@Bindable
public String getEndpoint() {
return endpoint;
@@ -307,13 +313,14 @@ public class Peer {
persistentKeepalive = parent.getPersistentKeepaliveString();
preSharedKey = parent.getPreSharedKey();
publicKey = parent.getPublicKey();
interfaceDNSRoutes = new ArrayList<>();
}
public void setAllowedIPs(final String allowedIPs) {
this.allowedIPs = allowedIPs;
notifyPropertyChanged(BR.allowedIPs);
notifyPropertyChanged(BR.allowedIPsContainsDefaultRoute);
notifyPropertyChanged(BR.allowedIPsContainsDefaultRouteModRFC1918);
notifyPropertyChanged(BR.canToggleExcludePrivateIPs);
notifyPropertyChanged(BR.isExcludePrivateIPsOn);
}
public void setEndpoint(final String endpoint) {
@@ -336,6 +343,27 @@ public class Peer {
notifyPropertyChanged(BR.publicKey);
}
public void setInterfaceDNSRoutes(final String dnsServers) {
final Collection<String> ips = new HashSet<>(Arrays.asList(Attribute.stringToList(allowedIPs)));
final boolean modifyAllowedIPs = ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
ips.removeAll(interfaceDNSRoutes);
interfaceDNSRoutes.clear();
for (final String dnsServer : Attribute.stringToList(dnsServers)) {
if (!dnsServer.contains(":"))
interfaceDNSRoutes.add(dnsServer + "/32");
}
ips.addAll(interfaceDNSRoutes);
if (modifyAllowedIPs)
setAllowedIPs(Attribute.iterableToString(ips));
}
public void setNumSiblings(final int num) {
numSiblings = num;
notifyPropertyChanged(BR.canToggleExcludePrivateIPs);
notifyPropertyChanged(BR.isExcludePrivateIPsOn);
}
@Override
public void writeToParcel(final Parcel dest, final int flags) {
dest.writeString(allowedIPs);
@@ -343,6 +371,8 @@ public class Peer {
dest.writeString(persistentKeepalive);
dest.writeString(preSharedKey);
dest.writeString(publicKey);
dest.writeInt(numSiblings);
dest.writeStringList(interfaceDNSRoutes);
}
}
}