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Merged
brightsunshine54 merged 7 commits into from
May 1, 2026
Merged

[feature] camouflage-tls #279

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ee13474
camouflage-tls
batchar2 Apr 8, 2026
b6578ca
fix camouflage
batchar2 Apr 22, 2026
0b727b1
fix camouflage
batchar2 Apr 22, 2026
6033881
update libfptn
batchar2 Apr 28, 2026
36ae14a
Merge branch 'develop' into feature/camouflage-tls-handshake
batchar2 Apr 28, 2026
1662dfa
fix merge
batchar2 Apr 28, 2026
b74bee3
merge develop
batchar2 Apr 29, 2026
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6 changes: 5 additions & 1 deletion app/src/main/cpp/CMakeLists.txt
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Expand Up @@ -24,6 +24,8 @@ include_directories(src/)
include_directories(libs/fptn/src/)
include_directories(libs/fptn/src/fptn-protocol-lib)

include(libs/fptn/depends/cmake/CamouflageTLS.cmake) # FIXME

# disable pcap++
add_compile_definitions(FPTN_IP_ADDRESS_WITHOUT_PCAP)

Expand All @@ -47,7 +49,9 @@ target_link_libraries(
android
log
fptn::fptn
nlohmann_json::nlohmann_json)
nlohmann_json::nlohmann_json
camouflage-tls # FIXME
)

target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE FPTN_VERSION=\"0.0.0\")
set_target_properties(
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3 changes: 3 additions & 0 deletions app/src/main/cpp/conanfile.py
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Expand Up @@ -23,6 +23,9 @@ class FptnLib(ConanFile):
def requirements(self):
self._register_local_recipe("fptn", "fptn", "0.0.0")

def build_requirements(self):
self.test_requires("gtest/1.17.0")

def layout(self):
cmake_layout(self)

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2 changes: 1 addition & 1 deletion app/src/main/cpp/libs/fptn
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Submodule fptn updated from 4baae5 to 0c0ca3
27 changes: 26 additions & 1 deletion app/src/main/cpp/src/https_client.cpp
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Expand Up @@ -111,9 +111,34 @@ Java_org_fptn_vpn_services_websocket_NativeHttpsClientImpl_nativeCreate(
fptn::protocol::https::CensorshipStrategy::kSni;
if (censorship_strategy_name == "OBFUSCATION") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kTlsObfuscator;
} else if (censorship_strategy_name == "SNI-REALITY") {
} else if (censorship_strategy_name == "SNI-REALITY") { // deprecated
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityMode;
}
/* Chrome */
else if (censorship_strategy_name == "SNI-REALITY-CHROME-147") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome147;
} else if (censorship_strategy_name == "SNI-REALITY-CHROME-146") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome146;
} else if (censorship_strategy_name == "SNI-REALITY-CHROME-145") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome145;
}
/* Firefox */
else if (censorship_strategy_name == "SNI-REALITY-FIREFOX-149") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeFirefox149;
}
/* Yandex */
else if (censorship_strategy_name == "SNI-REALITY-YANDEX-26") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex26;
} else if (censorship_strategy_name == "SNI-REALITY-YANDEX-25") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex25;
} else if (censorship_strategy_name == "SNI-REALITY-YANDEX-24") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex24;
}
/* Safari */
else if (censorship_strategy_name == "SNI-REALITY-SAFARI-26") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeSafari26;
}


auto* https_client = new WrapperHttpsClient(env, global_object_ref,
std::move(host), port, std::move(sni), std::move(md5_fingerprint), censorship_strategy);
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26 changes: 25 additions & 1 deletion app/src/main/cpp/src/websocket_client.cpp
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Expand Up @@ -89,9 +89,33 @@ Java_org_fptn_vpn_services_websocket_NativeWebSocketClientImpl_nativeCreate(
fptn::protocol::https::CensorshipStrategy::kSni;
if (censorship_strategy_name == "OBFUSCATION") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kTlsObfuscator;
} else if (censorship_strategy_name == "SNI-REALITY") {
} else if (censorship_strategy_name == "SNI-REALITY") { // deprecated
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityMode;
}
/* Chrome */
else if (censorship_strategy_name == "SNI-REALITY-CHROME-147") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome147;
} else if (censorship_strategy_name == "SNI-REALITY-CHROME-146") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome146;
} else if (censorship_strategy_name == "SNI-REALITY-CHROME-145") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeChrome145;
}
/* Firefox */
else if (censorship_strategy_name == "SNI-REALITY-FIREFOX-149") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeFirefox149;
}
/* Yandex */
else if (censorship_strategy_name == "SNI-REALITY-YANDEX-26") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex26;
} else if (censorship_strategy_name == "SNI-REALITY-YANDEX-25") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex25;
} else if (censorship_strategy_name == "SNI-REALITY-YANDEX-24") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeYandex24;
}
/* Safari */
else if (censorship_strategy_name == "SNI-REALITY-SAFARI-26") {
censorship_strategy = fptn::protocol::https::CensorshipStrategy::kSniRealityModeSafari26;
}

jobject global_object_ref = env->NewWeakGlobalRef(thiz);
auto* websocket_client = new WrapperWebsocketClient(global_object_ref,
Expand Down
7 changes: 5 additions & 2 deletions app/src/main/cpp/src/wrappers/wrapper_websocket_client/wrapper_websocket_client.cpp
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Expand Up @@ -311,9 +311,12 @@ bool WrapperWebsocketClient::Send(std::string pkt) {
if (!running_) {
return false;
}

try {
auto ip_packet = fptn::common::network::IPPacket::Parse(std::move(pkt));
std::vector<uint8_t> packet_data;
packet_data.reserve(pkt.size());
std::move(pkt.begin(), pkt.end(), std::back_inserter(packet_data));

auto ip_packet = fptn::common::network::IPPacket::Parse(std::move(packet_data));
if (!ip_packet) {
SPDLOG_ERROR("Failed to parse IP packet in Send");
return false;
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16 changes: 14 additions & 2 deletions app/src/main/java/org/fptn/vpn/enums/BypassCensorshipMethod.java
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Original file line number Diff line number Diff line change
@@ -1,7 +1,19 @@
package org.fptn.vpn.enums;

public enum BypassCensorshipMethod {
SNI_SPOOFING,
SNI_SPOOFING, // deprecated
TLS_OBFUSCATION,
SNI_REALITY
SNI_REALITY, // deprecated
/* Chrome */
SNI_REALITY_CHROME_147,
SNI_REALITY_CHROME_146,
SNI_REALITY_CHROME_145,
/* Firefox */
SNI_REALITY_FIREFOX_149,
/* Yandex Browser */
SNI_REALITY_YANDEX_26,
SNI_REALITY_YANDEX_25,
SNI_REALITY_YANDEX_24,
/* Safari */
SNI_REALITY_SAFARI_26
}
3 changes: 0 additions & 3 deletions app/src/main/java/org/fptn/vpn/services/speedtest/NativeSpeedTestTask.java
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Expand Up @@ -36,15 +36,12 @@ public NativeSpeedTestTask(ServerEntity serverEntity, String sniHost, BypassCens
@Override
public NativeSpeedTestResult call() throws PVNClientException {
Instant start = Instant.now();
Log.d(getTag(), "call() start test: " + serverEntity.getName());
NativeResponse response = nativeHttpsClient.Get(GET_FILE_PATH, TIMEOUT);
if (response.code == 200) {
Instant end = Instant.now();
long durationsMillis = Duration.between(start, end).toMillis();
Log.d(getTag(), "call() end test: " + serverEntity.getName() + " duration: " + durationsMillis + " ms");
return new NativeSpeedTestResult(serverEntity, durationsMillis);
} else {
Log.d(getTag(), "call() end test: " + serverEntity.getName() + " error: " + response.errorMessage);
throw new PVNClientException(response.errorMessage);
}
}
Expand Down
29 changes: 26 additions & 3 deletions app/src/main/java/org/fptn/vpn/services/websocket/NativeHttpsClientImpl.java
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Expand Up @@ -18,13 +18,36 @@ public NativeHttpsClientImpl(String serverIP,
String md5Fingerprint,
String sni,
BypassCensorshipMethod censorshipStrategy) {
String censorshipStrategyName = "SNI";
String censorshipStrategyName = "SNI-REALITY-YANDEX-25";
if (censorshipStrategy == BypassCensorshipMethod.TLS_OBFUSCATION) {
censorshipStrategyName = "OBFUSCATION";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY) {
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY) { // deprecated
censorshipStrategyName = "SNI-REALITY";
}

/* Chrome */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_147) {
censorshipStrategyName = "SNI-REALITY-CHROME-147";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_146) {
censorshipStrategyName = "SNI-REALITY-CHROME-146";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_145) {
censorshipStrategyName = "SNI-REALITY-CHROME-145";
}
/* Firefox */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_FIREFOX_149) {
censorshipStrategyName = "SNI-REALITY-FIREFOX-149";
}
/* Yandex */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_26) {
censorshipStrategyName = "SNI-REALITY-YANDEX-26";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_25) {
censorshipStrategyName = "SNI-REALITY-YANDEX-25";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_24) {
censorshipStrategyName = "SNI-REALITY-YANDEX-24";
}
/* Safari */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_SAFARI_26) {
censorshipStrategyName = "SNI-REALITY-SAFARI-26";
}
this.nativeHandle = nativeCreate(
serverIP,
serverPort,
Expand Down
38 changes: 31 additions & 7 deletions app/src/main/java/org/fptn/vpn/services/websocket/NativeWebSocketClientImpl.java
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Expand Up @@ -39,16 +39,40 @@ public NativeWebSocketClientImpl(
OnMessageReceivedCallback onMessageReceivedCallback,
OnFailureCallback onFailureCallback,
String sniHostName,
BypassCensorshipMethod censorship_strategy) throws PVNClientException {
BypassCensorshipMethod censorshipStrategy) throws PVNClientException {
this.onOpenCallback = onOpenCallback;
this.onMessageReceivedCallback = onMessageReceivedCallback;
this.onFailureCallback = onFailureCallback;

String censorship_strategy_name = "SNI";
if (censorship_strategy == BypassCensorshipMethod.TLS_OBFUSCATION) {
censorship_strategy_name = "OBFUSCATION";
} else if (censorship_strategy == BypassCensorshipMethod.SNI_REALITY) {
censorship_strategy_name = "SNI-REALITY";
String censorshipStrategyName = "SNI-REALITY-YANDEX-25";
if (censorshipStrategy == BypassCensorshipMethod.TLS_OBFUSCATION) {
censorshipStrategyName = "OBFUSCATION";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY) { // deprecated
censorshipStrategyName = "SNI-REALITY";
}
/* Chrome */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_147) {
censorshipStrategyName = "SNI-REALITY-CHROME-147";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_146) {
censorshipStrategyName = "SNI-REALITY-CHROME-146";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_CHROME_145) {
censorshipStrategyName = "SNI-REALITY-CHROME-145";
}
/* Firefox */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_FIREFOX_149) {
censorshipStrategyName = "SNI-REALITY-FIREFOX-149";
}
/* Yandex */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_26) {
censorshipStrategyName = "SNI-REALITY-YANDEX-26";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_25) {
censorshipStrategyName = "SNI-REALITY-YANDEX-25";
} else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_YANDEX_24) {
censorshipStrategyName = "SNI-REALITY-YANDEX-24";
}
/* Safari */
else if (censorshipStrategy == BypassCensorshipMethod.SNI_REALITY_SAFARI_26) {
censorshipStrategyName = "SNI-REALITY-SAFARI-26";
}

this.nativeHandle = nativeCreate(
Expand All @@ -59,7 +83,7 @@ public NativeWebSocketClientImpl(
sniHostName,
accessToken,
md5ServerFingerprint,
censorship_strategy_name
censorshipStrategyName
);

this.serialNum = SERIAL_NUM.getAndIncrement();
Expand Down
109 changes: 92 additions & 17 deletions app/src/main/java/org/fptn/vpn/views/bypassmethod/BypassMethodsActivity.java
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Expand Up @@ -49,6 +49,9 @@

public class BypassMethodsActivity extends AppCompatActivity {
private final String TAG = this.getClass().getSimpleName();

private View sniLayout;

private BypassMethodsViewModel viewModel;
private ActivityResultLauncher<Intent> filePickerLauncher;
private AlertDialog autoSelectDialog;
Expand Down Expand Up @@ -113,35 +116,107 @@ private void initializeVariable() {
// Setup RadioGroup listener
RadioGroup protocolRadioGroup = findViewById(R.id.bypass_method_radio_button_group);
protocolRadioGroup.setOnCheckedChangeListener((group, checkedId) -> {
if (checkedId == R.id.sni_spoofing_radio_button) {
Log.d(TAG, "Selected SNI spoofing");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_SPOOFING);
} else if (checkedId == R.id.obfuscation_radio_button) {
if (checkedId == R.id.obfuscation_radio_button) {
Log.d(TAG, "Selected TLS obfuscation");
viewModel.setBypassMethod(BypassCensorshipMethod.TLS_OBFUSCATION);
} else if (checkedId == R.id.sni_reality_radio_button) {
Log.d(TAG, "Selected SNI Reality");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY);
}
/* Chrome */
else if (checkedId == R.id.sni_reality_radio_button_chrome_147) {
Log.d(TAG, "Selected SNI Reality Chrome 147");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_CHROME_147);
} else if (checkedId == R.id.sni_reality_radio_button_chrome_146) {
Log.d(TAG, "Selected SNI Reality Chrome 146");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_CHROME_146);
} else if (checkedId == R.id.sni_reality_radio_button_chrome_145) {
Log.d(TAG, "Selected SNI Reality Chrome 145");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_CHROME_145);
}
/* Firefox */
else if (checkedId == R.id.sni_reality_radio_button_firefox_149) {
Log.d(TAG, "Selected SNI Reality Firefox 149");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_FIREFOX_149);
}
/* Yandex */
else if (checkedId == R.id.sni_reality_radio_button_yandex_26) {
Log.d(TAG, "Selected SNI Reality Yandex 26");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_YANDEX_26);
} else if (checkedId == R.id.sni_reality_radio_button_yandex_25) {
Log.d(TAG, "Selected SNI Reality Yandex 25");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_YANDEX_25);
} else if (checkedId == R.id.sni_reality_radio_button_yandex_24) {
Log.d(TAG, "Selected SNI Reality Yandex 24");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_YANDEX_24);
}
/* Safari */
else if (checkedId == R.id.sni_reality_radio_button_safari_26) {
Log.d(TAG, "Selected SNI Reality Safari 26");
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_SAFARI_26);
} else {
// default
viewModel.setBypassMethod(BypassCensorshipMethod.SNI_REALITY_YANDEX_25);
}
});

View sniLayout = findViewById(R.id.sni_layout);

RadioButton sniSpoofingRadioButton = findViewById(R.id.sni_spoofing_radio_button);
RadioButton obfuscationRadioButton = findViewById(R.id.obfuscation_radio_button);
RadioButton sniRealityRadioButton = findViewById(R.id.sni_reality_radio_button);

RadioButton sniRealityRadioButtonChrome147 = findViewById(R.id.sni_reality_radio_button_chrome_147);
RadioButton sniRealityRadioButtonChrome146 = findViewById(R.id.sni_reality_radio_button_chrome_146);
RadioButton sniRealityRadioButtonChrome145 = findViewById(R.id.sni_reality_radio_button_chrome_145);

RadioButton sniRealityRadioButtonFirefox149 = findViewById(R.id.sni_reality_radio_button_firefox_149);

RadioButton sniRealityRadioButtonYandex26 = findViewById(R.id.sni_reality_radio_button_yandex_26);
RadioButton sniRealityRadioButtonYandex25 = findViewById(R.id.sni_reality_radio_button_yandex_25);
RadioButton sniRealityRadioButtonYandex24 = findViewById(R.id.sni_reality_radio_button_yandex_24);

RadioButton sniRealityRadioButtonSafari26 = findViewById(R.id.sni_reality_radio_button_safari_26);

viewModel.getBypassCensorshipMethodMutableLiveData().observe(this, bypassCensorshipMethod -> {
switch (bypassCensorshipMethod) {
case SNI_SPOOFING:
sniSpoofingRadioButton.setChecked(true);
ViewUtils.showView(sniLayout);
break;
case TLS_OBFUSCATION:
obfuscationRadioButton.setChecked(true);
ViewUtils.hideView(sniLayout);
break;
case SNI_REALITY:
sniRealityRadioButton.setChecked(true);
case SNI_SPOOFING: // deprecated
case SNI_REALITY: // deprecated
/* Yandex */
case SNI_REALITY_YANDEX_25:
sniRealityRadioButtonYandex25.setChecked(true);
ViewUtils.showView(sniLayout);
break;
case SNI_REALITY_YANDEX_26:
sniRealityRadioButtonYandex26.setChecked(true);
ViewUtils.showView(sniLayout);
break;
case SNI_REALITY_YANDEX_24:
sniRealityRadioButtonYandex24.setChecked(true);
ViewUtils.showView(sniLayout);
break;
/* Chrome */
case SNI_REALITY_CHROME_147:
sniRealityRadioButtonChrome147.setChecked(true);
ViewUtils.showView(sniLayout);
break;
case SNI_REALITY_CHROME_146:
sniRealityRadioButtonChrome146.setChecked(true);
ViewUtils.showView(sniLayout);
break;
case SNI_REALITY_CHROME_145:
sniRealityRadioButtonChrome145.setChecked(true);
ViewUtils.showView(sniLayout);
break;
/* Firefox */
case SNI_REALITY_FIREFOX_149:
sniRealityRadioButtonFirefox149.setChecked(true);
ViewUtils.showView(sniLayout);
break;
/* Safari */
case SNI_REALITY_SAFARI_26:
sniRealityRadioButtonSafari26.setChecked(true);
ViewUtils.showView(sniLayout);
break;
default:
sniRealityRadioButtonYandex25.setChecked(true);
ViewUtils.showView(sniLayout);
break;
}
Expand Down
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