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authorcyBerta <cyberta@riseup.net>2022-05-30 23:50:50 +0200
committercyBerta <cyberta@riseup.net>2022-07-19 00:03:41 +0200
commit61bfc6b6d3ad830a8a7569ea31399e93f48dd38d (patch)
tree1ad5a09f06981fe329e7ffa642d17f4d4f956d61 /app/src/main/java/se/leap
parent71d1c34319b703d909c882c24a436cd74ed42cc0 (diff)
obfuscate vpn traffic using either shapeshfiter or obfsvpn
Diffstat (limited to 'app/src/main/java/se/leap')
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/base/models/Constants.java1
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java24
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Obfs4Options.java4
3 files changed, 25 insertions, 4 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/base/models/Constants.java b/app/src/main/java/se/leap/bitmaskclient/base/models/Constants.java
index bde909ba..d7a54fcc 100644
--- a/app/src/main/java/se/leap/bitmaskclient/base/models/Constants.java
+++ b/app/src/main/java/se/leap/bitmaskclient/base/models/Constants.java
@@ -163,6 +163,7 @@ public interface Constants {
String IP_ADDRESS = "ip_address";
String IP_ADDRESS6 = "ip_address6";
String REMOTE = "remote";
+ String SOCKS_PROXY = "socks-proxy";
String PORTS = "ports";
String PROTOCOLS = "protocols";
String UDP = "udp";
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 5ddb74ab..061c1aa3 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
@@ -31,6 +31,7 @@ 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.BuildConfig;
import se.leap.bitmaskclient.base.models.Provider;
import se.leap.bitmaskclient.base.utils.ConfigHelper;
import se.leap.bitmaskclient.pluggableTransports.Obfs4Options;
@@ -46,9 +47,12 @@ import static se.leap.bitmaskclient.base.models.Constants.PROTOCOLS;
import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_PRIVATE_KEY;
import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_VPN_CERTIFICATE;
import static se.leap.bitmaskclient.base.models.Constants.REMOTE;
+import static se.leap.bitmaskclient.base.models.Constants.SOCKS_PROXY;
import static se.leap.bitmaskclient.base.models.Constants.TRANSPORT;
import static se.leap.bitmaskclient.base.models.Constants.TYPE;
import static se.leap.bitmaskclient.base.models.Constants.UDP;
+import static se.leap.bitmaskclient.pluggableTransports.ObfsVpnClient.SOCKS_IP;
+import static se.leap.bitmaskclient.pluggableTransports.ObfsVpnClient.SOCKS_PORT;
import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_IP;
import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_PORT;
@@ -140,7 +144,7 @@ public class VpnConfigGenerator {
String cert = transportOptions.getString("cert");
String port = obfs4Transport.getJSONArray(PORTS).getString(0);
String ip = gateway.getString(IP_ADDRESS);
- return new Obfs4Options(ip, port, cert, iatMode);
+ return new Obfs4Options(ip, port, cert, iatMode, false);
}
private String generalConfiguration() {
@@ -321,10 +325,24 @@ public class VpnConfigGenerator {
return;
}
+ JSONArray ports = obfs4Transport.getJSONArray(PORTS);
+ if (ports.isNull(0)){
+ VpnStatus.logError("Misconfigured provider: no ports defined in obfs4 transport JSON.");
+ return;
+ }
+
String route = "route " + ipAddress + " 255.255.255.255 net_gateway" + newLine;
stringBuilder.append(route);
- String remote = REMOTE + " " + DISPATCHER_IP + " " + DISPATCHER_PORT + " tcp" + newLine;
- stringBuilder.append(remote);
+ if (BuildConfig.use_obfsvpn) {
+ String proxy = SOCKS_PROXY + " " + SOCKS_IP + " " + SOCKS_PORT + newLine;
+ stringBuilder.append(proxy);
+
+ String remote = REMOTE + " " + ipAddress + " " + ports.getString(0) + newLine;
+ stringBuilder.append(remote);
+ } else {
+ String remote = REMOTE + " " + DISPATCHER_IP + " " + DISPATCHER_PORT + " tcp" + newLine;
+ stringBuilder.append(remote);
+ }
}
private String secretsConfiguration() {
diff --git a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Obfs4Options.java b/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Obfs4Options.java
index 2f9cb732..ab6ea445 100644
--- a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Obfs4Options.java
+++ b/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Obfs4Options.java
@@ -7,12 +7,14 @@ public class Obfs4Options implements Serializable {
public String iatMode;
public String remoteIP;
public String remotePort;
+ public boolean udp;
- public Obfs4Options(String remoteIP, String remotePort, String cert, String iatMode) {
+ public Obfs4Options(String remoteIP, String remotePort, String cert, String iatMode, boolean udp) {
this.cert = cert;
this.iatMode = iatMode;
this.remoteIP = remoteIP;
this.remotePort = remotePort;
+ this.udp = udp;
}
}