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-rw-r--r--app/src/main/java/de/blinkt/openvpn/core/ConfigParser.java4
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/base/fragments/EipFragment.java9
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java20
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java46
4 files changed, 68 insertions, 11 deletions
diff --git a/app/src/main/java/de/blinkt/openvpn/core/ConfigParser.java b/app/src/main/java/de/blinkt/openvpn/core/ConfigParser.java
index 5b4ab361..4a8bcf99 100644
--- a/app/src/main/java/de/blinkt/openvpn/core/ConfigParser.java
+++ b/app/src/main/java/de/blinkt/openvpn/core/ConfigParser.java
@@ -714,6 +714,10 @@ public class ConfigParser {
Vector<Vector<String>> connectionBlocks = getAllOption("connection", 1, 1);
+ if (connectionBlocks == null && np.mConnections.length == 0) {
+ throw new ConfigParseError("No --remote or <connection> block found.");
+ }
+
if (np.mConnections.length > 0 && connectionBlocks != null) {
throw new ConfigParseError("Using a <connection> block and --remote is not allowed.");
}
diff --git a/app/src/main/java/se/leap/bitmaskclient/base/fragments/EipFragment.java b/app/src/main/java/se/leap/bitmaskclient/base/fragments/EipFragment.java
index 813daac5..18e97411 100644
--- a/app/src/main/java/se/leap/bitmaskclient/base/fragments/EipFragment.java
+++ b/app/src/main/java/se/leap/bitmaskclient/base/fragments/EipFragment.java
@@ -27,6 +27,7 @@ import android.graphics.ColorMatrixColorFilter;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Vibrator;
+import android.text.TextUtils;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
@@ -37,6 +38,7 @@ import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.widget.AppCompatButton;
import androidx.appcompat.widget.AppCompatImageView;
import androidx.appcompat.widget.AppCompatTextView;
import androidx.fragment.app.DialogFragment;
@@ -267,13 +269,8 @@ public class EipFragment extends Fragment implements Observer {
preferences.edit().putBoolean(EIP_RESTART_ON_BOOT, restartOnBoot).apply();
}
- @OnClick(R.id.gateway_location_button)
- void onButtonClick() {
- handleIcon();
- }
-
@OnClick(R.id.main_button)
- void onVpnStateImageClick() {
+ void onButtonClick() {
handleIcon();
}
diff --git a/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
index 4248072a..64b51960 100644
--- a/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
@@ -20,6 +20,7 @@ import android.content.Context;
import android.content.res.Resources;
import android.os.Build;
import android.os.Looper;
+
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
@@ -44,10 +45,12 @@ import java.security.interfaces.RSAPrivateKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.Calendar;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
import se.leap.bitmaskclient.BuildConfig;
-import se.leap.bitmaskclient.providersetup.ProviderAPI;
import se.leap.bitmaskclient.R;
+import se.leap.bitmaskclient.providersetup.ProviderAPI;
import static se.leap.bitmaskclient.base.models.Constants.DEFAULT_BITMASK;
@@ -62,6 +65,7 @@ public class ConfigHelper {
final public static String NG_1024 =
"eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3";
final public static BigInteger G = new BigInteger("2");
+ final public static Pattern IPv4_PATTERN = Pattern.compile("^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$");
public static boolean checkErroneousDownload(String downloadedString) {
try {
@@ -203,6 +207,8 @@ public class ConfigHelper {
(string1 != null && string1.equals(string2));
}
+ @SuppressWarnings("unused")
+ // FatWeb Flavor uses that for auto-update
public static String getApkFileName() {
try {
return BuildConfig.update_apk_url.substring(BuildConfig.update_apk_url.lastIndexOf("/"));
@@ -211,6 +217,8 @@ public class ConfigHelper {
}
}
+ @SuppressWarnings("unused")
+ // FatWeb Flavor uses that for auto-update
public static String getVersionFileName() {
try {
return BuildConfig.version_file_url.substring(BuildConfig.version_file_url.lastIndexOf("/"));
@@ -219,6 +227,8 @@ public class ConfigHelper {
}
}
+ @SuppressWarnings("unused")
+ // FatWeb Flavor uses that for auto-update
public static String getSignatureFileName() {
try {
return BuildConfig.signature_url.substring(BuildConfig.signature_url.lastIndexOf("/"));
@@ -227,4 +237,12 @@ public class ConfigHelper {
}
}
+ public static boolean isIPv4(String ipv4) {
+ if (ipv4 == null) {
+ return false;
+ }
+ Matcher matcher = IPv4_PATTERN.matcher(ipv4);
+ return matcher.matches();
+ }
+
}
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
index 6fffb403..d72f0936 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
@@ -29,8 +29,10 @@ import java.util.Iterator;
import de.blinkt.openvpn.VpnProfile;
import de.blinkt.openvpn.core.ConfigParser;
+import de.blinkt.openvpn.core.VpnStatus;
import de.blinkt.openvpn.core.connection.Connection;
import se.leap.bitmaskclient.base.models.Provider;
+import se.leap.bitmaskclient.base.utils.ConfigHelper;
import se.leap.bitmaskclient.pluggableTransports.Obfs4Options;
import static de.blinkt.openvpn.core.connection.Connection.TransportType.OBFS4;
@@ -95,7 +97,11 @@ public class VpnConfigGenerator {
HashMap<Connection.TransportType, VpnProfile> profiles = new HashMap<>();
profiles.put(OPENVPN, createProfile(OPENVPN));
if (supportsObfs4()) {
- profiles.put(OBFS4, createProfile(OBFS4));
+ try {
+ profiles.put(OBFS4, createProfile(OBFS4));
+ } catch (ConfigParser.ConfigParseError | NumberFormatException | JSONException | IOException e) {
+ e.printStackTrace();
+ }
}
return profiles;
}
@@ -162,16 +168,18 @@ public class VpnConfigGenerator {
StringBuilder stringBuilder = new StringBuilder();
try {
- String ipAddress = gateway.getString(IP_ADDRESS);
+ String ipAddress = null;
JSONObject capabilities = gateway.getJSONObject(CAPABILITIES);
switch (apiVersion) {
default:
case 1:
case 2:
+ ipAddress = gateway.getString(IP_ADDRESS);
gatewayConfigApiv1(stringBuilder, ipAddress, capabilities);
break;
case 3:
case 4:
+ ipAddress = gateway.optString(IP_ADDRESS);
String ipAddress6 = gateway.optString(IP_ADDRESS6);
String[] ipAddresses = ipAddress6.isEmpty() ?
new String[]{ipAddress} :
@@ -189,6 +197,7 @@ public class VpnConfigGenerator {
if (remotes.endsWith(newLine)) {
remotes = remotes.substring(0, remotes.lastIndexOf(newLine));
}
+
return remotes;
}
@@ -247,6 +256,7 @@ public class VpnConfigGenerator {
private void obfs4GatewayConfigMinApiv3(StringBuilder stringBuilder, String[] ipAddresses, JSONArray transports) throws JSONException {
JSONObject obfs4Transport = getTransport(transports, OBFS4);
+ JSONArray protocols = obfs4Transport.getJSONArray(PROTOCOLS);
//for now only use ipv4 gateway the syntax route remote_host 255.255.255.255 net_gateway is not yet working
// https://community.openvpn.net/openvpn/ticket/1161
/*for (String ipAddress : ipAddresses) {
@@ -258,10 +268,38 @@ public class VpnConfigGenerator {
return;
}
- String ipAddress = ipAddresses[ipAddresses.length - 1];
+ // check if at least one address is IPv4, IPv6 is currently not supported for obfs4
+ String ipAddress = null;
+ for (String address : ipAddresses) {
+ if (ConfigHelper.isIPv4(address)) {
+ ipAddress = address;
+ break;
+ }
+ VpnStatus.logWarning("Skipping IP address " + address + " while configuring obfs4.");
+ }
+
+ if (ipAddress == null) {
+ VpnStatus.logError("No matching IPv4 address found to configure obfs4.");
+ return;
+ }
+
+ // check if at least one protocol is TCP, UDP is currently not supported for obfs4
+ boolean hasTcp = false;
+ for (int i = 0; i < protocols.length(); i++) {
+ String protocol = protocols.getString(i);
+ if (protocol.contains("tcp")) {
+ hasTcp = true;
+ }
+ }
+
+ if (!hasTcp) {
+ VpnStatus.logError("obfs4 currently only allows TCP! Skipping obfs4 config for ip " + ipAddress);
+ return;
+ }
+
String route = "route " + ipAddress + " 255.255.255.255 net_gateway" + newLine;
stringBuilder.append(route);
- String remote = REMOTE + " " + DISPATCHER_IP + " " + DISPATCHER_PORT + " " + obfs4Transport.getJSONArray(PROTOCOLS).getString(0) + newLine;
+ String remote = REMOTE + " " + DISPATCHER_IP + " " + DISPATCHER_PORT + " tcp" + newLine;
stringBuilder.append(remote);
}