first pass on obfs4-hop pt integration

7 files changed, 718 insertions, 31 deletions

diff --git a/app/src/test/java/de/blinkt/openvpn/VpnProfileTest.java b/app/src/test/java/de/blinkt/openvpn/VpnProfileTest.java
index 5d3c0826..e5f9a9ca 100644
--- a/app/src/test/java/de/blinkt/openvpn/VpnProfileTest.java
+++ b/app/src/test/java/de/blinkt/openvpn/VpnProfileTest.java
@@ -3,11 +3,12 @@ package de.blinkt.openvpn;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 import static org.powermock.api.mockito.PowerMockito.mockStatic;
 import static org.powermock.api.mockito.PowerMockito.when;
 import static de.blinkt.openvpn.core.connection.Connection.TransportType.OBFS4;
+import static de.blinkt.openvpn.core.connection.Connection.TransportType.OBFS4_HOP;
 import static de.blinkt.openvpn.core.connection.Connection.TransportType.OPENVPN;
+import static se.leap.bitmaskclient.base.models.Constants.UDP;
 
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -17,10 +18,12 @@ import org.junit.runner.RunWith;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
+import java.util.Arrays;
 import java.util.UUID;
 
 import de.blinkt.openvpn.core.connection.Obfs4Connection;
 import de.blinkt.openvpn.core.connection.OpenvpnConnection;
+import se.leap.bitmaskclient.base.models.Transport;
 import se.leap.bitmaskclient.base.utils.ConfigHelper;
 import se.leap.bitmaskclient.pluggableTransports.Obfs4Options;
 
@@ -28,10 +31,14 @@ import se.leap.bitmaskclient.pluggableTransports.Obfs4Options;
 @PrepareForTest({UUID.class, ConfigHelper.ObfsVpnHelper.class})
 public class VpnProfileTest {
 
-    private static final String OPENVPNCONNECTION_PROFILE   = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mUseObfs4\":false,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mUseUdp\":false,\"mServerName\":\"openvpn.example.com\",\"mProxyType\":\"NONE\",\"mProxyPort\":\"8080\",\"mUseCustomConfig\":false,\"mConnectTimeout\":0,\"mProxyName\":\"proxy.example.com\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.OpenvpnConnection\",\"mServerPort\":\"1194\",\"mEnabled\":true}],\"mUseLzo\":false,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
-    private static final String OBFS4CONNECTION_PROFILE = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mUseObfs4\":true,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"127.0.0.1\",\"mProxyType\":\"NONE\",\"mConnectTimeout\":0,\"mServerPort\":\"4430\",\"mUseUdp\":false,\"mProxyPort\":\"\",\"mUseCustomConfig\":false,\"options\":{\"udp\":false,\"remoteIP\":\"192.168.0.1\",\"iatMode\":\"1\",\"remotePort\":\"1234\",\"cert\":\"CERT\"},\"mProxyName\":\"\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
-    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mUseObfs4\":true,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"udp\":false,\"remoteIP\":\"192.168.0.1\",\"iatMode\":\"1\",\"remotePort\":\"1234\",\"cert\":\"CERT\"},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
-    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN_KCP = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mUseObfs4\":true,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"udp\":true,\"remoteIP\":\"192.168.0.1\",\"iatMode\":\"1\",\"remotePort\":\"1234\",\"cert\":\"CERT\"},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}\n";
+    private static final String OPENVPNCONNECTION_PROFILE   = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mUseUdp\":false,\"mServerName\":\"openvpn.example.com\",\"mProxyType\":\"NONE\",\"mProxyPort\":\"8080\",\"mUseCustomConfig\":false,\"mConnectTimeout\":0,\"mProxyName\":\"proxy.example.com\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.OpenvpnConnection\",\"mServerPort\":\"1194\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":1,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
+    private static final String OBFS4CONNECTION_PROFILE = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"127.0.0.1\",\"mProxyType\":\"NONE\",\"mConnectTimeout\":0,\"mServerPort\":\"4430\",\"mUseUdp\":false,\"mProxyPort\":\"\",\"mUseCustomConfig\":false,\"options\":{\"gatewayIP\":\"192.168.0.1\",\"transport\":{\"options\":{\"portCount\":0,\"iatMode\":\"0\",\"cert\":\"CERT\",\"experimental\":false,\"portSeed\":0},\"type\":\"obfs4\",\"protocols\":[\"tcp\"],\"ports\":[\"1234\"]}},\"mProxyName\":\"\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":2,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
+    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"gatewayIP\":\"192.168.0.1\",\"transport\":{\"options\":{\"portCount\":0,\"iatMode\":\"1\",\"cert\":\"CERT\",\"experimental\":false,\"portSeed\":0},\"type\":\"obfs4\",\"protocols\":[\"tcp\"],\"ports\":[\"1234\"]}},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":2,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}";
+    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN_KCP = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"gatewayIP\":\"192.168.0.1\",\"transport\":{\"options\":{\"portCount\":0,\"iatMode\":\"1\",\"cert\":\"CERT\",\"experimental\":false,\"portSeed\":0},\"type\":\"obfs4\",\"protocols\":[\"kcp\"],\"ports\":[\"1234\"]}},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":2,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}\n";
+
+    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN_HOP = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"gatewayIP\":\"192.168.0.1\",\"transport\":{\"options\":{\"portCount\":100,\"endpoints\":[{\"ip\":\"1.1.1.1\",\"cert\":\"CERT1\"},{\"ip\":\"2.2.2.2\",\"cert\":\"CERT2\"}],\"iatMode\":\"1\",\"experimental\":true,\"portSeed\":200},\"type\":\"obfs4\",\"protocols\":[\"tcp\"],\"ports\":[\"1234\"]}},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":3,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}\n";
+
+    private static final String OBFS4CONNECTION_PROFILE_OBFSVPN_HOP_KCP = "{\"mCipher\":\"\",\"mProfileVersion\":7,\"mLastUsed\":0,\"mCheckRemoteCN\":true,\"mVerb\":\"1\",\"mRemoteRandom\":false,\"mRoutenopull\":false,\"mConnectRetry\":\"2\",\"mAllowedAppsVpn\":[],\"mUserEditable\":true,\"mUseUdp\":true,\"mAllowedAppsVpnAreDisallowed\":true,\"mDNS1\":\"8.8.8.8\",\"mDNS2\":\"8.8.4.4\",\"mUseCustomConfig\":false,\"mUseFloat\":false,\"mUseDefaultRoute\":true,\"mConnectRetryMaxTime\":\"300\",\"mNobind\":true,\"mVersion\":0,\"mConnectRetryMax\":\"-1\",\"mOverrideDNS\":false,\"mAuth\":\"\",\"mTunMtu\":0,\"mPassword\":\"\",\"mTLSAuthDirection\":\"\",\"mKeyPassword\":\"\",\"mCustomConfigOptions\":\"\",\"mName\":\"mockProfile\",\"mExpectTLSCert\":false,\"mUsername\":\"\",\"mAllowLocalLAN\":false,\"mDataCiphers\":\"\",\"mSearchDomain\":\"blinkt.de\",\"mTemporaryProfile\":false,\"mUseTLSAuth\":false,\"mRemoteCN\":\"\",\"mCustomRoutesv6\":\"\",\"mPersistTun\":false,\"mX509AuthType\":3,\"mUuid\":\"9d295ca2-3789-48dd-996e-f731dbf50fdc\",\"mServerName\":\"openvpn.example.com\",\"mMssFix\":0,\"mPushPeerInfo\":false,\"mAuthenticationType\":2,\"mBlockUnusedAddressFamilies\":true,\"mServerPort\":\"1194\",\"mUseDefaultRoutev6\":true,\"mConnections\":[{\"mCustomConfiguration\":\"\",\"mServerName\":\"192.168.0.1\",\"mProxyType\":\"SOCKS5\",\"mConnectTimeout\":0,\"mServerPort\":\"1234\",\"mUseUdp\":false,\"mProxyPort\":\"4430\",\"mUseCustomConfig\":false,\"options\":{\"gatewayIP\":\"192.168.0.1\",\"transport\":{\"options\":{\"portCount\":100,\"endpoints\":[{\"ip\":\"1.1.1.1\",\"cert\":\"CERT1\"},{\"ip\":\"2.2.2.2\",\"cert\":\"CERT2\"}],\"iatMode\":\"1\",\"experimental\":true,\"portSeed\":2500},\"type\":\"obfs4\",\"protocols\":[\"kcp\"],\"ports\":[\"1234\"]}},\"mProxyName\":\"127.0.0.1\",\"mUseProxyAuth\":false,\"ConnectionAdapter.META_TYPE\":\"de.blinkt.openvpn.core.connection.Obfs4Connection\",\"mEnabled\":true}],\"mUseLzo\":false,\"mTransportType\":3,\"mAllowAppVpnBypass\":false,\"mUsePull\":true,\"mUseRandomHostname\":false,\"mAuthRetry\":0}\n";
 
     @Before
     public void setup() {
@@ -71,7 +78,9 @@ public class VpnProfileTest {
         when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(false);
 
         VpnProfile mockVpnProfile = new VpnProfile("mockProfile", OBFS4);
-        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", "1234", "CERT", "1", false));
+
+        Transport transport = new Transport(OBFS4.toString(), new String[]{"tcp"}, new String[]{"1234"}, "CERT");
+        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", transport));
         mockVpnProfile.mLastUsed = 0;
         String s = mockVpnProfile.toJson();
         System.out.println(s);
@@ -88,7 +97,9 @@ public class VpnProfileTest {
     public void toJson_obfs4_obfsvpn() throws JSONException {
         when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(true);
         VpnProfile mockVpnProfile = new VpnProfile("mockProfile", OBFS4);
-        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", "1234", "CERT", "1", false));
+        Transport.Options options = new Transport.Options("CERT", "1");
+        Transport transport = new Transport(OBFS4.toString(), new String[]{"tcp"}, new String[]{"1234"}, options);
+        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", transport));
         mockVpnProfile.mLastUsed = 0;
         String s = mockVpnProfile.toJson();
         System.out.println(s);
@@ -106,7 +117,9 @@ public class VpnProfileTest {
         when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(true);
 
         VpnProfile mockVpnProfile = new VpnProfile("mockProfile", OBFS4);
-        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", "1234", "CERT", "1", true));
+        Transport.Options options = new Transport.Options("CERT", "1");
+        Transport transport = new Transport(OBFS4.toString(), new String[]{"kcp"}, new String[]{"1234"}, options);
+        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", transport));
         mockVpnProfile.mLastUsed = 0;
         String s = mockVpnProfile.toJson();
         System.out.println(s);
@@ -120,6 +133,49 @@ public class VpnProfileTest {
     }
 
     @Test
+    public void toJson_obfs4hop_kcp() throws JSONException {
+        when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(true);
+
+        VpnProfile mockVpnProfile = new VpnProfile("mockProfile", OBFS4_HOP);
+
+        Transport.Options options = new Transport.Options("1", new Transport.Endpoint[]{new Transport.Endpoint("1.1.1.1", "CERT1"), new Transport.Endpoint("2.2.2.2", "CERT2")}, 2500, 100, true);
+        Transport transport = new Transport(OBFS4.toString(), new String[]{"kcp"}, new String[]{"1234"}, options);
+        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", transport));
+
+        mockVpnProfile.mLastUsed = 0;
+        String s = mockVpnProfile.toJson();
+        System.out.println(s);
+
+        //ignore UUID in comparison -> set it to fixed value
+        JSONObject actual = new JSONObject(s);
+        actual.put("mUuid", "9d295ca2-3789-48dd-996e-f731dbf50fdc");
+        JSONObject expectation = new JSONObject(OBFS4CONNECTION_PROFILE_OBFSVPN_HOP_KCP);
+
+        assertEquals(expectation.toString(),actual.toString());
+    }
+
+    @Test
+    public void toJson_obfs4hop() throws JSONException {
+        when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(true);
+
+        VpnProfile mockVpnProfile = new VpnProfile("mockProfile", OBFS4_HOP);
+        Transport.Options options = new Transport.Options("1", new Transport.Endpoint[]{new Transport.Endpoint("1.1.1.1", "CERT1"), new Transport.Endpoint("2.2.2.2", "CERT2")}, 200, 100, true);
+        Transport transport = new Transport(OBFS4.toString(), new String[]{"tcp"}, new String[]{"1234"}, options);
+        mockVpnProfile.mConnections[0] = new Obfs4Connection(new Obfs4Options("192.168.0.1", transport));
+
+        mockVpnProfile.mLastUsed = 0;
+        String s = mockVpnProfile.toJson();
+        System.out.println(s);
+
+        //ignore UUID in comparison -> set it to fixed value
+        JSONObject actual = new JSONObject(s);
+        actual.put("mUuid", "9d295ca2-3789-48dd-996e-f731dbf50fdc");
+        JSONObject expectation = new JSONObject(OBFS4CONNECTION_PROFILE_OBFSVPN_HOP);
+
+        assertEquals(expectation.toString(),actual.toString());
+    }
+
+    @Test
     public void fromJson_obfs4() {
         when(ConfigHelper.ObfsVpnHelper.useObfsVpn()).thenReturn(false);
 
@@ -130,11 +186,12 @@ public class VpnProfileTest {
         assertFalse(mockVpnProfile.mConnections[0].isUseUdp());
         Obfs4Connection obfs4Connection = (Obfs4Connection) mockVpnProfile.mConnections[0];
         assertEquals(OBFS4, obfs4Connection.getTransportType());
-        assertFalse(obfs4Connection.getDispatcherOptions().udp);
-        assertEquals("CERT", obfs4Connection.getDispatcherOptions().cert);
-        assertEquals("1", obfs4Connection.getDispatcherOptions().iatMode);
-        assertEquals("192.168.0.1", obfs4Connection.getDispatcherOptions().remoteIP);
-        assertEquals("1234", obfs4Connection.getDispatcherOptions().remotePort);
+        assertFalse(Arrays.asList(obfs4Connection.getObfs4Options().transport.getProtocols()).contains(UDP));
+        assertEquals("CERT", obfs4Connection.getObfs4Options().transport.getOptions().getCert());
+        assertEquals("0", obfs4Connection.getObfs4Options().transport.getOptions().getIatMode());
+        assertEquals("192.168.0.1", obfs4Connection.getObfs4Options().gatewayIP);
+        assertEquals("1234", obfs4Connection.getObfs4Options().transport.getPorts()[0]);
+        assertEquals(1, obfs4Connection.getObfs4Options().transport.getPorts().length);
     }
 
     @Test
@@ -148,11 +205,12 @@ public class VpnProfileTest {
         assertFalse(mockVpnProfile.mConnections[0].isUseUdp());
         Obfs4Connection obfs4Connection = (Obfs4Connection) mockVpnProfile.mConnections[0];
         assertEquals(OBFS4, obfs4Connection.getTransportType());
-        assertFalse(obfs4Connection.getDispatcherOptions().udp);
-        assertEquals("CERT", obfs4Connection.getDispatcherOptions().cert);
-        assertEquals("1", obfs4Connection.getDispatcherOptions().iatMode);
-        assertEquals("192.168.0.1", obfs4Connection.getDispatcherOptions().remoteIP);
-        assertEquals("1234", obfs4Connection.getDispatcherOptions().remotePort);
+        assertEquals("tcp", obfs4Connection.getObfs4Options().transport.getProtocols()[0]);
+        assertEquals("CERT", obfs4Connection.getObfs4Options().transport.getOptions().getCert());
+        assertEquals("1", obfs4Connection.getObfs4Options().transport.getOptions().getIatMode());
+        assertEquals("192.168.0.1", obfs4Connection.getObfs4Options().gatewayIP);
+        assertEquals("1234", obfs4Connection.getObfs4Options().transport.getPorts()[0]);
+        assertEquals(1, obfs4Connection.getObfs4Options().transport.getPorts().length);
     }
 
     @Test
@@ -166,10 +224,10 @@ public class VpnProfileTest {
         assertFalse(mockVpnProfile.mConnections[0].isUseUdp());
         Obfs4Connection obfs4Connection = (Obfs4Connection) mockVpnProfile.mConnections[0];
         assertEquals(OBFS4, obfs4Connection.getTransportType());
-        assertTrue(obfs4Connection.getDispatcherOptions().udp);
-        assertEquals("CERT", obfs4Connection.getDispatcherOptions().cert);
-        assertEquals("1", obfs4Connection.getDispatcherOptions().iatMode);
-        assertEquals("192.168.0.1", obfs4Connection.getDispatcherOptions().remoteIP);
-        assertEquals("1234", obfs4Connection.getDispatcherOptions().remotePort);
+        assertEquals("kcp", obfs4Connection.getObfs4Options().transport.getProtocols()[0]);
+        assertEquals("CERT", obfs4Connection.getObfs4Options().transport.getOptions().getCert());
+        assertEquals("1", obfs4Connection.getObfs4Options().transport.getOptions().getIatMode());
+        assertEquals("192.168.0.1", obfs4Connection.getObfs4Options().gatewayIP);
+        assertEquals("1234", obfs4Connection.getObfs4Options().transport.getPorts()[0]);
     }
 }
\ No newline at end of file
diff --git a/app/src/test/java/se/leap/bitmaskclient/base/models/GatewayJsonTest.java b/app/src/test/java/se/leap/bitmaskclient/base/models/GatewayJsonTest.java
index 61275378..801f98ad 100644
--- a/app/src/test/java/se/leap/bitmaskclient/base/models/GatewayJsonTest.java
+++ b/app/src/test/java/se/leap/bitmaskclient/base/models/GatewayJsonTest.java
@@ -12,7 +12,7 @@ public class GatewayJsonTest {
 
     @Test
     public void testToString() {
-        String gatewayJSON = "{\"location\":\"Unknown Location\",\"ip_address\":\"1.2.3.4\",\"host\":\"pinned.obfuscation.proxy\",\"capabilities\":{\"adblock\":false,\"filter_dns\":false,\"limited\":false,\"transport\":[{\"type\":\"obfs4\",\"protocols\":[\"tcp\"],\"ports\":[\"1194\"],\"options\":{\"cert\":\"xxxxxxx\",\"iatMode\":\"0\"}}],\"user_ips\":false}}";
+        String gatewayJSON = "{\"location\":\"Unknown Location\",\"ip_address\":\"1.2.3.4\",\"host\":\"pinned.obfuscation.proxy\",\"capabilities\":{\"adblock\":false,\"filter_dns\":false,\"limited\":false,\"transport\":[{\"type\":\"obfs4\",\"protocols\":[\"tcp\"],\"ports\":[\"1194\"],\"options\":{\"cert\":\"xxxxxxx\",\"iatMode\":\"0\",\"experimental\":false,\"portSeed\":0,\"portCount\":0}}],\"user_ips\":false}}";
 
         Connection.TransportType transportType = OBFS4;
         Transport[] transports = new Transport[]{
diff --git a/app/src/test/java/se/leap/bitmaskclient/base/models/TransportTest.java b/app/src/test/java/se/leap/bitmaskclient/base/models/TransportTest.java
new file mode 100644
index 00000000..37dfc161
--- /dev/null
+++ b/app/src/test/java/se/leap/bitmaskclient/base/models/TransportTest.java
@@ -0,0 +1,68 @@
+package se.leap.bitmaskclient.base.models;
+
+import static se.leap.bitmaskclient.base.models.Constants.CAPABILITIES;
+import static se.leap.bitmaskclient.base.models.Constants.TRANSPORT;
+
+import junit.framework.TestCase;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+
+import de.blinkt.openvpn.core.connection.Connection;
+import se.leap.bitmaskclient.testutils.TestSetupHelper;
+
+public class TransportTest extends TestCase {
+
+    private JSONObject gateway;
+
+    public void test_obfs4_fromJson() throws IOException, JSONException {
+        gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_tcp_gateways.json"))).getJSONArray("gateways").getJSONObject(2);
+        JSONObject obfs4Transport = gateway.getJSONObject(CAPABILITIES).getJSONArray(TRANSPORT).getJSONObject(1);
+        Transport transport = Transport.fromJson(obfs4Transport);
+        assertEquals("obfs4", transport.getType());
+        assertEquals("0", transport.getOptions().getIatMode());
+        assertEquals("kcp", transport.getProtocols()[0]);
+        assertEquals(1, transport.getProtocols().length);
+        assertEquals("23050", transport.getPorts()[0]);
+        assertEquals(1, transport.getPorts().length);
+        assertEquals("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1", transport.getOptions().getCert());
+        assertNull(transport.getOptions().getEndpoints());
+        assertEquals(0, transport.getOptions().getPortCount());
+        assertEquals(0, transport.getOptions().getPortSeed());
+        assertFalse(transport.getOptions().isExperimental());
+    }
+
+    public void test_obfs4hop_fromJson() throws IOException, JSONException {
+        gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_tcp_gateways.json"))).getJSONArray("gateways").getJSONObject(2);
+        JSONObject obfs4Transport = gateway.getJSONObject(CAPABILITIES).getJSONArray(TRANSPORT).getJSONObject(2);
+        Transport transport = Transport.fromJson(obfs4Transport);
+        assertEquals("obfs4-hop", transport.getType());
+        assertEquals(Connection.TransportType.OBFS4_HOP, transport.getTransportType());
+        assertEquals("tcp", transport.getProtocols()[0]);
+        assertEquals(1, transport.getProtocols().length);
+        assertNull(transport.getPorts());
+        assertNull(transport.getOptions().getCert());
+        assertNotNull(transport.getOptions().getEndpoints());
+        assertEquals(2, transport.getOptions().getEndpoints().length);
+        assertEquals("CERT1", transport.getOptions().getEndpoints()[0].getCert());
+        assertEquals("CERT2", transport.getOptions().getEndpoints()[1].getCert());
+        assertEquals("1.1.1.1", transport.getOptions().getEndpoints()[0].getIp());
+        assertEquals("2.2.2.2", transport.getOptions().getEndpoints()[1].getIp());
+        assertTrue(transport.getOptions().isExperimental());
+    }
+
+    public void test_openvpn_fromJson() throws IOException, JSONException {
+        gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_tcp_gateways.json"))).getJSONArray("gateways").getJSONObject(2);
+        JSONObject obfs4Transport = gateway.getJSONObject(CAPABILITIES).getJSONArray(TRANSPORT).getJSONObject(0);
+        Transport transport = Transport.fromJson(obfs4Transport);
+        assertEquals("openvpn", transport.getType());
+        assertEquals(2, transport.getProtocols().length);
+        assertEquals("tcp", transport.getProtocols()[0]);
+        assertEquals("udp", transport.getProtocols()[1]);
+        assertEquals(1, transport.getPorts().length);
+        assertEquals("1195", transport.getPorts()[0]);
+        assertNull(transport.getOptions());
+    }
+}
\ No newline at end of file
diff --git a/app/src/test/java/se/leap/bitmaskclient/eip/VpnConfigGeneratorTest.java b/app/src/test/java/se/leap/bitmaskclient/eip/VpnConfigGeneratorTest.java
index 6b1c5bf3..99e71f05 100644
--- a/app/src/test/java/se/leap/bitmaskclient/eip/VpnConfigGeneratorTest.java
+++ b/app/src/test/java/se/leap/bitmaskclient/eip/VpnConfigGeneratorTest.java
@@ -9,6 +9,7 @@ import static org.mockito.Mockito.mock;
 import static org.powermock.api.mockito.PowerMockito.mockStatic;
 import static org.powermock.api.mockito.PowerMockito.when;
 import static de.blinkt.openvpn.core.connection.Connection.TransportType.OBFS4;
+import static de.blinkt.openvpn.core.connection.Connection.TransportType.OBFS4_HOP;
 import static de.blinkt.openvpn.core.connection.Connection.TransportType.OPENVPN;
 import static se.leap.bitmaskclient.base.models.Constants.OPENVPN_CONFIGURATION;
 import static se.leap.bitmaskclient.testutils.MockHelper.mockTextUtils;
@@ -34,6 +35,7 @@ import java.util.HashMap;
 import de.blinkt.openvpn.VpnProfile;
 import de.blinkt.openvpn.core.connection.Connection;
 import de.blinkt.openvpn.core.connection.Obfs4Connection;
+import de.blinkt.openvpn.core.connection.Obfs4HopConnection;
 import se.leap.bitmaskclient.base.utils.ConfigHelper;
 import se.leap.bitmaskclient.testutils.MockHelper;
 import se.leap.bitmaskclient.testutils.TestSetupHelper;
@@ -1696,9 +1698,8 @@ public class VpnConfigGeneratorTest {
         configuration.preferUDP = true;
         vpnConfigGenerator = new VpnConfigGenerator(generalConfig, secrets, gateway, configuration);
         HashMap<Connection.TransportType, VpnProfile> vpnProfiles = vpnConfigGenerator.generateVpnProfiles();
-        assertTrue(vpnProfiles.containsKey(OBFS4) && ((Obfs4Connection)vpnProfiles.get(OBFS4).mConnections[0]).getDispatcherOptions().udp);
+        assertTrue(vpnProfiles.containsKey(OBFS4) && ((Obfs4Connection)vpnProfiles.get(OBFS4).mConnections[0]).getObfs4Options().transport.getProtocols()[0].equals("kcp"));
         assertTrue(vpnProfiles.containsKey(OPENVPN));
-
     }
 
     @Test
@@ -1715,16 +1716,20 @@ public class VpnConfigGeneratorTest {
     }
 
     @Test
-    public void testGenerateVpnProfile_ObfuscationPinningEnabled_obfs4AndOpenvpnProfile () throws Exception {
+    public void testGenerateVpnProfile_ObfuscationPinningNotEnabled_obfs4AndOpenvpnProfile () throws Exception {
         gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_kcp_gateways.json"))).getJSONArray("gateways").getJSONObject(1);
         generalConfig = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_kcp_gateways.json"))).getJSONObject(OPENVPN_CONFIGURATION);
         VpnConfigGenerator.Configuration configuration = new VpnConfigGenerator.Configuration();
         configuration.apiVersion = 3;
-        configuration.useObfuscationPinning = true;
+        configuration.useObfuscationPinning = false;
+        configuration.obfuscationProxyPort = "443";
+        configuration.obfuscationProxyIP = "5.6.7.8";
+        configuration.obfuscationProxyCert = "asdfasdf";
+        configuration.obfuscationProxyKCP = true;
         configuration.remoteGatewayIP = "1.2.3.4";
         vpnConfigGenerator = new VpnConfigGenerator(generalConfig, secrets, gateway, configuration);
         HashMap<Connection.TransportType, VpnProfile> vpnProfiles = vpnConfigGenerator.generateVpnProfiles();
-        assertFalse("has no openvpn profile", vpnProfiles.containsKey(OPENVPN));
+        assertTrue("has openvpn profile", vpnProfiles.containsKey(OPENVPN));
         assertTrue("has obfs4 profile", vpnProfiles.containsKey(OBFS4));
         assertTrue("bridge is running KCP", vpnProfiles.get(OBFS4).mGatewayIp.equals("1.2.3.4"));
 
@@ -1747,7 +1752,7 @@ public class VpnConfigGeneratorTest {
         assertFalse("has openvpn profile", vpnProfiles.containsKey(OPENVPN));
         assertTrue("has obfs4 profile", vpnProfiles.containsKey(OBFS4));
         assertTrue("bridge is pinned one", vpnProfiles.get(OBFS4).getTransportType() == OBFS4 && !vpnProfiles.get(OBFS4).mConnections[0].isUseUdp() );
-        assertTrue("bridge is running KCP", ((Obfs4Connection) vpnProfiles.get(OBFS4).mConnections[0]).getDispatcherOptions().udp == false);
+        assertTrue("bridge is running TCP", ((Obfs4Connection) vpnProfiles.get(OBFS4).mConnections[0]).getObfs4Options().transport.getProtocols()[0].equals("tcp"));
     }
 
     @Test
@@ -1768,7 +1773,29 @@ public class VpnConfigGeneratorTest {
         assertFalse("has openvpn profile", vpnProfiles.containsKey(OPENVPN));
         assertTrue("has no obfs4 profile", vpnProfiles.containsKey(OBFS4));
         assertTrue("bridge is pinned one", vpnProfiles.get(OBFS4).getTransportType() == OBFS4 && vpnProfiles.get(OBFS4).mGatewayIp.equals("1.2.3.4"));
-        assertTrue("bridge is running KCP", ((Obfs4Connection) vpnProfiles.get(OBFS4).mConnections[0]).getDispatcherOptions().udp == true);
+        assertTrue("bridge is running KCP", ((Obfs4Connection) vpnProfiles.get(OBFS4).mConnections[0]).getObfs4Options().transport.getProtocols()[0].equals("kcp"));
+    }
+    @Test
+    public void testGenerateVpnProfile_obfs4hop_tcp () throws Exception {
+        gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_tcp_gateways.json"))).getJSONArray("gateways").getJSONObject(2);
+        generalConfig = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_tcp_gateways.json"))).getJSONObject(OPENVPN_CONFIGURATION);
+        VpnConfigGenerator.Configuration configuration = new VpnConfigGenerator.Configuration();
+        configuration.apiVersion = 3;
+        vpnConfigGenerator = new VpnConfigGenerator(generalConfig, secrets, gateway, configuration);
+        HashMap<Connection.TransportType, VpnProfile> vpnProfiles = vpnConfigGenerator.generateVpnProfiles();
+        assertTrue(vpnProfiles.containsKey(OBFS4_HOP) && ((Obfs4HopConnection)vpnProfiles.get(OBFS4_HOP).mConnections[0]).getObfs4Options().transport.getProtocols()[0].equals("tcp"));
+        assertTrue(vpnProfiles.containsKey(OPENVPN));
     }
 
+    @Test
+    public void testGenerateVpnProfile_obfs4hop_kcp () throws Exception {
+        gateway = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_kcp_gateways.json"))).getJSONArray("gateways").getJSONObject(2);
+        generalConfig = new JSONObject(TestSetupHelper.getInputAsString(getClass().getClassLoader().getResourceAsStream("ptdemo_obfs4hop_kcp_gateways.json"))).getJSONObject(OPENVPN_CONFIGURATION);
+        VpnConfigGenerator.Configuration configuration = new VpnConfigGenerator.Configuration();
+        configuration.apiVersion = 3;
+        vpnConfigGenerator = new VpnConfigGenerator(generalConfig, secrets, gateway, configuration);
+        HashMap<Connection.TransportType, VpnProfile> vpnProfiles = vpnConfigGenerator.generateVpnProfiles();
+        assertTrue(vpnProfiles.containsKey(OBFS4_HOP) && ((Obfs4HopConnection)vpnProfiles.get(OBFS4_HOP).mConnections[0]).getObfs4Options().transport.getProtocols()[0].equals("kcp"));
+        assertTrue(vpnProfiles.containsKey(OPENVPN));
+    }
 }
\ No newline at end of file
diff --git a/app/src/test/resources/ptdemo_obfs4hop_kcp_gateways.json b/app/src/test/resources/ptdemo_obfs4hop_kcp_gateways.json
new file mode 100644
index 00000000..a56bc571
--- /dev/null
+++ b/app/src/test/resources/ptdemo_obfs4hop_kcp_gateways.json
@@ -0,0 +1,178 @@
+{
+  "gateways":[
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "23049"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"pt.demo.bitmask.net",
+      "ip_address":"37.218.247.60",
+      "location":"Amsterdam"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "kcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"moscow.bitmask.net",
+      "ip_address":"3.21.247.89",
+      "location":"moscow"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp",
+              "udp"
+            ],
+
+            "ports":[
+              "1195"
+            ]
+          },
+          {
+            "type":"obfs4",
+            "protocols":[
+              "kcp"
+            ],
+            "ports":[
+              "23050"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "kcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"manila.bitmask.net",
+      "ip_address":"37.12.247.10",
+      "location":"manila"
+    }
+  ],
+  "locations":{
+    "Amsterdam":{
+      "country_code":"NL",
+      "hemisphere":"N",
+      "name":"Amsterdam",
+      "timezone":"-1"
+    },
+    "moscow": {
+      "country_code": "RU",
+      "hemisphere": "N",
+      "name": "Moscow",
+      "timezone": "+3"
+    },
+    "manila": {
+      "country_code": "PH",
+      "hemisphere": "N",
+      "name": "Manila",
+      "timezone": "+8"
+    }
+  },
+  "openvpn_configuration":{
+    "auth":"SHA1",
+    "cipher":"AES-256-CBC",
+    "keepalive":"10 30",
+    "tls-cipher":"DHE-RSA-AES128-SHA",
+    "tun-ipv6":true,
+    "dev" : "tun",
+    "sndbuf" : "0",
+    "rcvbuf" : "0",
+    "nobind" : true,
+    "persist-key" : true,
+    "key-direction" : "1",
+    "verb" : "3"
+  },
+  "serial":2,
+  "version":3
+}
\ No newline at end of file
diff --git a/app/src/test/resources/ptdemo_obfs4hop_misconfigured_udp_gateway.json b/app/src/test/resources/ptdemo_obfs4hop_misconfigured_udp_gateway.json
new file mode 100644
index 00000000..a56bc571
--- /dev/null
+++ b/app/src/test/resources/ptdemo_obfs4hop_misconfigured_udp_gateway.json
@@ -0,0 +1,178 @@
+{
+  "gateways":[
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "23049"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"pt.demo.bitmask.net",
+      "ip_address":"37.218.247.60",
+      "location":"Amsterdam"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "kcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"moscow.bitmask.net",
+      "ip_address":"3.21.247.89",
+      "location":"moscow"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp",
+              "udp"
+            ],
+
+            "ports":[
+              "1195"
+            ]
+          },
+          {
+            "type":"obfs4",
+            "protocols":[
+              "kcp"
+            ],
+            "ports":[
+              "23050"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "kcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"manila.bitmask.net",
+      "ip_address":"37.12.247.10",
+      "location":"manila"
+    }
+  ],
+  "locations":{
+    "Amsterdam":{
+      "country_code":"NL",
+      "hemisphere":"N",
+      "name":"Amsterdam",
+      "timezone":"-1"
+    },
+    "moscow": {
+      "country_code": "RU",
+      "hemisphere": "N",
+      "name": "Moscow",
+      "timezone": "+3"
+    },
+    "manila": {
+      "country_code": "PH",
+      "hemisphere": "N",
+      "name": "Manila",
+      "timezone": "+8"
+    }
+  },
+  "openvpn_configuration":{
+    "auth":"SHA1",
+    "cipher":"AES-256-CBC",
+    "keepalive":"10 30",
+    "tls-cipher":"DHE-RSA-AES128-SHA",
+    "tun-ipv6":true,
+    "dev" : "tun",
+    "sndbuf" : "0",
+    "rcvbuf" : "0",
+    "nobind" : true,
+    "persist-key" : true,
+    "key-direction" : "1",
+    "verb" : "3"
+  },
+  "serial":2,
+  "version":3
+}
\ No newline at end of file
diff --git a/app/src/test/resources/ptdemo_obfs4hop_tcp_gateways.json b/app/src/test/resources/ptdemo_obfs4hop_tcp_gateways.json
new file mode 100644
index 00000000..6a748a4f
--- /dev/null
+++ b/app/src/test/resources/ptdemo_obfs4hop_tcp_gateways.json
@@ -0,0 +1,178 @@
+{
+  "gateways":[
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "23049"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"pt.demo.bitmask.net",
+      "ip_address":"37.218.247.60",
+      "location":"Amsterdam"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "tcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "/ntRNI6JYP7R6kGKldibKWj0aCsv96Hdu/jSGncPy+rcverCLI7Emod+vRkz61hM7F/udA"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          },
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp"
+            ],
+            "ports":[
+              "1195"
+            ]
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"moscow.bitmask.net",
+      "ip_address":"3.21.247.89",
+      "location":"moscow"
+    },
+    {
+      "capabilities":{
+        "adblock":false,
+        "filter_dns":false,
+        "limited":false,
+        "transport":[
+          {
+            "type":"openvpn",
+            "protocols":[
+              "tcp",
+              "udp"
+            ],
+
+            "ports":[
+              "1195"
+            ]
+          },
+          {
+            "type":"obfs4",
+            "protocols":[
+              "kcp"
+            ],
+            "ports":[
+              "23050"
+            ],
+            "options": {
+              "cert": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1",
+              "iatMode": "0"
+            }
+          },
+          {
+            "type":"obfs4-hop",
+            "protocols":[
+              "tcp"
+            ],
+            "options": {
+              "iatMode": "0",
+              "endpoints": [
+                {
+                  "ip": "1.1.1.1",
+                  "cert": "CERT1"
+                },
+                {
+                  "ip": "2.2.2.2",
+                  "cert": "CERT2"
+                }
+              ],
+              "port_seed": 94,
+              "port_count": 100,
+              "experimental": true
+            }
+          }
+        ],
+        "user_ips":false
+      },
+      "host":"manila.bitmask.net",
+      "ip_address":"37.12.247.10",
+      "location":"manila"
+    }
+  ],
+  "locations":{
+    "Amsterdam":{
+      "country_code":"NL",
+      "hemisphere":"N",
+      "name":"Amsterdam",
+      "timezone":"-1"
+    },
+    "moscow": {
+      "country_code": "RU",
+      "hemisphere": "N",
+      "name": "Moscow",
+      "timezone": "+3"
+    },
+    "manila": {
+      "country_code": "PH",
+      "hemisphere": "N",
+      "name": "Manila",
+      "timezone": "+8"
+    }
+  },
+  "openvpn_configuration":{
+    "auth":"SHA1",
+    "cipher":"AES-256-CBC",
+    "keepalive":"10 30",
+    "tls-cipher":"DHE-RSA-AES128-SHA",
+    "tun-ipv6":true,
+    "dev" : "tun",
+    "sndbuf" : "0",
+    "rcvbuf" : "0",
+    "nobind" : true,
+    "persist-key" : true,
+    "key-direction" : "1",
+    "verb" : "3"
+  },
+  "serial":2,
+  "version":3
+}
\ No newline at end of file