1 // Imports that need to be added manually
2 use bitcoin::bech32::u5;
3 use bitcoin::blockdata::script::ScriptBuf;
4 use bitcoin::secp256k1::{PublicKey, Scalar, Secp256k1, SecretKey, self};
5 use bitcoin::secp256k1::ecdh::SharedSecret;
6 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
7 use bitcoin::secp256k1::schnorr;
9 use lightning::blinded_path::{BlindedPath, EmptyNodeIdLookUp};
10 use lightning::ln::features::InitFeatures;
11 use lightning::ln::msgs::{self, DecodeError, OnionMessageHandler};
12 use lightning::ln::script::ShutdownScript;
13 use lightning::offers::invoice::UnsignedBolt12Invoice;
14 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
15 use lightning::sign::{Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
16 use lightning::util::test_channel_signer::TestChannelSigner;
17 use lightning::util::logger::Logger;
18 use lightning::util::ser::{Readable, Writeable, Writer};
19 use lightning::onion_message::messenger::{CustomOnionMessageHandler, Destination, MessageRouter, OnionMessagePath, OnionMessenger, PendingOnionMessage, Responder, ResponseInstruction};
20 use lightning::onion_message::offers::{OffersMessage, OffersMessageHandler};
21 use lightning::onion_message::packet::OnionMessageContents;
23 use crate::utils::test_logger;
25 use std::io::{self, Cursor};
26 use std::sync::atomic::{AtomicU64, Ordering};
29 /// Actual fuzz test, method signature and name are fixed
30 pub fn do_test<L: Logger>(data: &[u8], logger: &L) {
31 if let Ok(msg) = <msgs::OnionMessage as Readable>::read(&mut Cursor::new(data)) {
32 let mut secret_bytes = [1; 32];
34 let secret = SecretKey::from_slice(&secret_bytes).unwrap();
35 let keys_manager = KeyProvider {
37 counter: AtomicU64::new(0),
39 let node_id_lookup = EmptyNodeIdLookUp {};
40 let message_router = TestMessageRouter {};
41 let offers_msg_handler = TestOffersMessageHandler {};
42 let custom_msg_handler = TestCustomMessageHandler {};
43 let onion_messenger = OnionMessenger::new(
44 &keys_manager, &keys_manager, logger, &node_id_lookup, &message_router,
45 &offers_msg_handler, &custom_msg_handler
49 let mut secret_bytes = [0; 32];
51 let secret = SecretKey::from_slice(&secret_bytes).unwrap();
52 PublicKey::from_secret_key(&Secp256k1::signing_only(), &secret)
55 let mut features = InitFeatures::empty();
56 features.set_onion_messages_optional();
57 let init = msgs::Init { features, networks: None, remote_network_address: None };
59 onion_messenger.peer_connected(&peer_node_id, &init, false).unwrap();
60 onion_messenger.handle_onion_message(&peer_node_id, &msg);
64 /// Method that needs to be added manually, {name}_test
65 pub fn onion_message_test<Out: test_logger::Output>(data: &[u8], out: Out) {
66 let logger = test_logger::TestLogger::new("".to_owned(), out);
67 do_test(data, &logger);
70 /// Method that needs to be added manually, {name}_run
72 pub extern "C" fn onion_message_run(data: *const u8, datalen: usize) {
73 let logger = test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {});
74 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
77 struct TestMessageRouter {}
79 impl MessageRouter for TestMessageRouter {
81 &self, _sender: PublicKey, _peers: Vec<PublicKey>, destination: Destination
82 ) -> Result<OnionMessagePath, ()> {
84 intermediate_nodes: vec![],
86 first_node_addresses: None,
90 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
91 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
92 ) -> Result<Vec<BlindedPath>, ()> {
97 struct TestOffersMessageHandler {}
99 impl OffersMessageHandler for TestOffersMessageHandler {
100 fn handle_message(&self, _message: OffersMessage, _responder: Option<Responder>) -> ResponseInstruction<OffersMessage> {
101 ResponseInstruction::NoResponse
106 struct TestCustomMessage {}
108 const CUSTOM_MESSAGE_TYPE: u64 = 4242;
109 const CUSTOM_MESSAGE_CONTENTS: [u8; 32] = [42; 32];
111 impl OnionMessageContents for TestCustomMessage {
112 fn tlv_type(&self) -> u64 {
115 fn msg_type(&self) -> &'static str {
120 impl Writeable for TestCustomMessage {
121 fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
122 Ok(CUSTOM_MESSAGE_CONTENTS.write(w)?)
126 struct TestCustomMessageHandler {}
128 impl CustomOnionMessageHandler for TestCustomMessageHandler {
129 type CustomMessage = TestCustomMessage;
130 fn handle_custom_message(&self, message: Self::CustomMessage, responder: Option<Responder>) -> ResponseInstruction<Self::CustomMessage> {
132 Some(responder) => responder.respond(message),
133 None => ResponseInstruction::NoResponse
136 fn read_custom_message<R: io::Read>(&self, _message_type: u64, buffer: &mut R) -> Result<Option<Self::CustomMessage>, msgs::DecodeError> {
137 let mut buf = Vec::new();
138 buffer.read_to_end(&mut buf)?;
139 return Ok(Some(TestCustomMessage {}))
141 fn release_pending_custom_messages(&self) -> Vec<PendingOnionMessage<Self::CustomMessage>> {
146 pub struct VecWriter(pub Vec<u8>);
147 impl Writer for VecWriter {
148 fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
149 self.0.extend_from_slice(buf);
154 node_secret: SecretKey,
158 impl EntropySource for KeyProvider {
159 fn get_secure_random_bytes(&self) -> [u8; 32] {
160 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
161 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
162 (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8, (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8]
166 impl NodeSigner for KeyProvider {
167 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
168 let node_secret = match recipient {
169 Recipient::Node => Ok(&self.node_secret),
170 Recipient::PhantomNode => Err(())
172 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
175 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
176 let mut node_secret = match recipient {
177 Recipient::Node => Ok(self.node_secret.clone()),
178 Recipient::PhantomNode => Err(())
180 if let Some(tweak) = tweak {
181 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
183 Ok(SharedSecret::new(other_key, &node_secret))
186 fn get_inbound_payment_key_material(&self) -> KeyMaterial { unreachable!() }
188 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
192 fn sign_bolt12_invoice_request(
193 &self, _invoice_request: &UnsignedInvoiceRequest
194 ) -> Result<schnorr::Signature, ()> {
198 fn sign_bolt12_invoice(
199 &self, _invoice: &UnsignedBolt12Invoice,
200 ) -> Result<schnorr::Signature, ()> {
204 fn sign_gossip_message(&self, _msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
209 impl SignerProvider for KeyProvider {
210 type EcdsaSigner = TestChannelSigner;
212 type TaprootSigner = TestChannelSigner;
214 fn generate_channel_keys_id(&self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] { unreachable!() }
216 fn derive_channel_signer(&self, _channel_value_satoshis: u64, _channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
220 fn read_chan_signer(&self, _data: &[u8]) -> Result<TestChannelSigner, DecodeError> { unreachable!() }
222 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> { unreachable!() }
224 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> { unreachable!() }
229 use bitcoin::hashes::hex::FromHex;
230 use lightning::util::logger::{Logger, Record};
231 use std::collections::HashMap;
232 use std::sync::Mutex;
234 struct TrackingLogger {
235 /// (module, message) -> count
236 pub lines: Mutex<HashMap<(String, String), usize>>,
238 impl Logger for TrackingLogger {
239 fn log(&self, record: Record) {
240 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
241 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
246 fn test_no_onion_message_breakage() {
248 020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
249 000000000000000000000000000000000000000000000000e01ae0276020000000000000000000000000000\
250 000000000000000000000000000000000002020000000000000000000000000000000000000000000000000\
251 000000000000e0101022a0000000000000000000000000000014551231950b75fc4402da1732fc9bebf0010\
252 9500000000000000000000000000000004106d000000000000000000000000000000fd1092202a2a2a2a2a2\
253 a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a0000000000000000000000000000000000\
254 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
255 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
256 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
257 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
258 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
259 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
260 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
261 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
262 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
263 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
264 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
265 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
266 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
267 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
268 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
269 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
270 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
271 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
272 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
273 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
274 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
275 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
276 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
277 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
278 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
279 000000000000000000000000000000000000000005600000000000000000000000000000000000000000000\
281 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
282 super::do_test(&<Vec<u8>>::from_hex(one_hop_om).unwrap(), &logger);
284 let log_entries = logger.lines.lock().unwrap();
285 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
286 "Received an onion message with path_id None and a reply_path: Custom(TestCustomMessage)"
287 .to_string())), Some(&1));
288 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
289 "Constructing onion message when responding with Custom Message to an onion message with path_id None: TestCustomMessage".to_string())), Some(&1));
290 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
291 "Buffered onion message when responding with Custom Message to an onion message with path_id None".to_string())), Some(&1));
294 let two_unblinded_hops_om = "\
295 020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
296 000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
297 02020202020202020202020202020202020202026d000000000000000000000000000000eb0000000000000\
298 000000000000000000000000000000000000000000000000036041096000000000000000000000000000000\
299 fd1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000\
300 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
301 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
302 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
303 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
304 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
305 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
306 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
307 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
308 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
309 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
310 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
311 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
312 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
313 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
314 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
315 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
316 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
317 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
318 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
319 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
320 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
321 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
322 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
323 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
324 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
325 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
326 000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
328 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
329 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_hops_om).unwrap(), &logger);
331 let log_entries = logger.lines.lock().unwrap();
332 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
335 let two_unblinded_two_blinded_om = "\
336 020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
337 000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
338 02020202020202020202020202020202020202026d0000000000000000000000000000009e0000000000000\
339 000000000000000000000000000000000000000000000000058045604210203030303030303030303030303\
340 030303030303030303030303030303030303020821020000000000000000000000000000000000000000000\
341 000000000000000000e0196000000000000000000000000000000e900000000000000000000000000000000\
342 000000000000000000000000000000350433042102040404040404040404040404040404040404040404040\
343 4040404040404040402ca000000000000000000000000000000420000000000000000000000000000000000\
344 00000000000000000000000000003604103f000000000000000000000000000000fd1092202a2a2a2a2a2a2\
345 a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000000000000000000000000\
346 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
347 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
348 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
349 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
350 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
351 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
352 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
353 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
354 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
355 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
356 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
357 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
358 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
359 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
360 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
361 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
362 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
363 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
364 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
365 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
366 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
367 000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
369 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
370 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_two_blinded_om).unwrap(), &logger);
372 let log_entries = logger.lines.lock().unwrap();
373 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
376 let three_blinded_om = "\
377 020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
378 000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
379 02020202020202020202020202020202020202026d000000000000000000000000000000b20000000000000\
380 000000000000000000000000000000000000000000000000035043304210203030303030303030303030303\
381 030303030303030303030303030303030303029600000000000000000000000000000033000000000000000\
382 000000000000000000000000000000000000000000000003604104e000000000000000000000000000000fd\
383 1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a00000000000000000\
384 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
385 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
386 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
387 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
388 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
389 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
390 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
391 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
392 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
393 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
394 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
395 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
396 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
397 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
398 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
399 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
400 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
401 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
402 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
403 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
404 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
405 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
406 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
407 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
408 000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
410 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
411 super::do_test(&<Vec<u8>>::from_hex(three_blinded_om).unwrap(), &logger);
413 let log_entries = logger.lines.lock().unwrap();
414 assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));