use crate::ln::channelmanager::{HTLCForwardInfo, FailureCode, CLTV_FAR_FAR_AWAY, DISABLE_GOSSIP_TICKS, MIN_CLTV_EXPIRY_DELTA, PendingAddHTLCInfo, PendingHTLCInfo, PendingHTLCRouting, PaymentId, RecipientOnionFields};
use crate::ln::onion_utils;
use crate::routing::gossip::{NetworkUpdate, RoutingFees};
-use crate::routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop};
-use crate::ln::features::{InitFeatures, InvoiceFeatures};
+use crate::routing::router::{get_route, PaymentParameters, Route, RouteParameters, RouteHint, RouteHintHop};
+use crate::ln::features::{InitFeatures, Bolt11InvoiceFeatures};
use crate::ln::msgs;
use crate::ln::msgs::{ChannelMessageHandler, ChannelUpdate};
use crate::ln::wire::Encode;
-use crate::util::ser::{Writeable, Writer};
+use crate::util::ser::{Writeable, Writer, BigSize};
use crate::util::test_utils;
use crate::util::config::{UserConfig, ChannelConfig, MaxDustHTLCExposure};
use crate::util::errors::APIError;
use bitcoin::hash_types::BlockHash;
-use bitcoin::hashes::Hash;
+use bitcoin::hashes::{Hash, HashEngine};
+use bitcoin::hashes::hmac::{Hmac, HmacEngine};
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::secp256k1;
// 3: final node fails backward (but tamper onion payloads from node0)
// 100: trigger error in the intermediate node and tamper returning fail_htlc
// 200: trigger error in the final node and tamper returning fail_htlc
-fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, mut callback_msg: F1, mut callback_fail: F2, mut callback_node: F3, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<NetworkUpdate>, expected_short_channel_id: Option<u64>)
+fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(
+ _name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash,
+ payment_secret: &PaymentSecret, mut callback_msg: F1, mut callback_fail: F2,
+ mut callback_node: F3, expected_retryable: bool, expected_error_code: Option<u16>,
+ expected_channel_update: Option<NetworkUpdate>, expected_short_channel_id: Option<u64>
+)
where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC),
F2: for <'a> FnMut(&'a mut msgs::UpdateFailHTLC),
F3: FnMut(),
let short_channel_id = channels[1].0.contents.short_channel_id;
let amt_to_forward = nodes[1].node.per_peer_state.read().unwrap().get(&nodes[2].node.get_our_node_id())
.unwrap().lock().unwrap().channel_by_id.get(&channels[1].2).unwrap()
- .context.get_counterparty_htlc_minimum_msat() - 1;
+ .context().get_counterparty_htlc_minimum_msat() - 1;
let mut bogus_route = route.clone();
let route_len = bogus_route.paths[0].hops.len();
bogus_route.paths[0].hops[route_len-1].fee_msat = amt_to_forward;
nodes[1].node.get_and_clear_pending_msg_events();
nodes[2].node.get_and_clear_pending_msg_events();
}, true, Some(UPDATE|20), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy(short_channel_id)}), Some(short_channel_id));
- reconnect_nodes(&nodes[1], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(ReconnectArgs::new(&nodes[1], &nodes[2]));
run_onion_failure_test("expiry_too_far", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
}, ||{
nodes[2].node.fail_htlc_backwards(&payment_hash);
}, true, Some(23), None, None);
+
+ run_onion_failure_test_with_fail_intercept("bogus err packet with valid hmac", 200, &nodes,
+ &route, &payment_hash, &payment_secret, |_msg| {}, |msg| {
+ let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
+ let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
+ let mut decoded_err_packet = msgs::DecodedOnionErrorPacket {
+ failuremsg: vec![0],
+ pad: vec![0; 255],
+ hmac: [0; 32],
+ };
+ let um = onion_utils::gen_um_from_shared_secret(&onion_keys[1].shared_secret.as_ref());
+ let mut hmac = HmacEngine::<Sha256>::new(&um);
+ hmac.input(&decoded_err_packet.encode()[32..]);
+ decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+ msg.reason = onion_utils::encrypt_failure_packet(
+ &onion_keys[1].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
+ }, || nodes[2].node.fail_htlc_backwards(&payment_hash), false, None,
+ Some(NetworkUpdate::NodeFailure { node_id: route.paths[0].hops[1].pubkey, is_permanent: true }),
+ Some(channels[1].0.contents.short_channel_id));
+ run_onion_failure_test_with_fail_intercept("0-length channel update in intermediate node UPDATE onion failure",
+ 100, &nodes, &route, &payment_hash, &payment_secret, |msg| {
+ msg.amount_msat -= 1;
+ }, |msg| {
+ let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
+ let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
+ let mut decoded_err_packet = msgs::DecodedOnionErrorPacket {
+ failuremsg: vec![
+ 0x10, 0x7, // UPDATE|7
+ 0x0, 0x0 // 0-len channel update
+ ],
+ pad: vec![0; 255 - 4 /* 4-byte error message */],
+ hmac: [0; 32],
+ };
+ let um = onion_utils::gen_um_from_shared_secret(&onion_keys[0].shared_secret.as_ref());
+ let mut hmac = HmacEngine::<Sha256>::new(&um);
+ hmac.input(&decoded_err_packet.encode()[32..]);
+ decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+ msg.reason = onion_utils::encrypt_failure_packet(
+ &onion_keys[0].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
+ }, || {}, true, Some(0x1000|7),
+ Some(NetworkUpdate::ChannelFailure {
+ short_channel_id: channels[1].0.contents.short_channel_id,
+ is_permanent: false,
+ }),
+ Some(channels[1].0.contents.short_channel_id));
+ run_onion_failure_test_with_fail_intercept("0-length channel update in final node UPDATE onion failure",
+ 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| {
+ let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
+ let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
+ let mut decoded_err_packet = msgs::DecodedOnionErrorPacket {
+ failuremsg: vec![
+ 0x10, 0x7, // UPDATE|7
+ 0x0, 0x0 // 0-len channel update
+ ],
+ pad: vec![0; 255 - 4 /* 4-byte error message */],
+ hmac: [0; 32],
+ };
+ let um = onion_utils::gen_um_from_shared_secret(&onion_keys[1].shared_secret.as_ref());
+ let mut hmac = HmacEngine::<Sha256>::new(&um);
+ hmac.input(&decoded_err_packet.encode()[32..]);
+ decoded_err_packet.hmac = Hmac::from_engine(hmac).into_inner();
+ msg.reason = onion_utils::encrypt_failure_packet(
+ &onion_keys[1].shared_secret.as_ref(), &decoded_err_packet.encode()[..])
+ }, || nodes[2].node.fail_htlc_backwards(&payment_hash), true, Some(0x1000|7),
+ Some(NetworkUpdate::ChannelFailure {
+ short_channel_id: channels[1].0.contents.short_channel_id,
+ is_permanent: false,
+ }),
+ Some(channels[1].0.contents.short_channel_id));
}
#[test]
config.accept_forwards_to_priv_channels = !announced_channel;
config.channel_config.max_dust_htlc_exposure = MaxDustHTLCExposure::FeeRateMultiplier(5_000_000 / 253);
let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
let persister;
let chain_monitor;
- let channel_manager_1_deserialized;
- let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(config), None]);
+ let channel_manager_1_deserialized;
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let other_channel = create_chan_between_nodes(
create_announced_chan_between_nodes(&nodes, 1, 2);
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
- .with_bolt11_features(InvoiceFeatures::empty()).unwrap();
+ .with_bolt11_features(Bolt11InvoiceFeatures::empty()).unwrap();
let (route, _payment_hash, _payment_preimage, _payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], payment_params, 40000);
let hops = &route.paths[0].hops;
let mut htlc_msat_height_data = (payment_amount as u64).to_be_bytes().to_vec();
htlc_msat_height_data.extend_from_slice(&CHAN_CONFIRM_DEPTH.to_be_bytes());
htlc_msat_height_data
+ },
+ FailureCode::InvalidOnionPayload(data) => {
+ match data {
+ Some((typ, offset)) => [BigSize(typ).encode(), offset.encode()].concat(),
+ None => Vec::new(),
+ }
}
};
- let failure_code = failure_code as u16;
+ let failure_code = failure_code.into();
let permanent_flag = 0x4000;
let permanent_fail = (failure_code & permanent_flag) != 0;
expect_payment_failed!(nodes[0], payment_hash, permanent_fail, failure_code, failure_data);
do_test_fail_htlc_backwards_with_reason(FailureCode::TemporaryNodeFailure);
do_test_fail_htlc_backwards_with_reason(FailureCode::RequiredNodeFeatureMissing);
do_test_fail_htlc_backwards_with_reason(FailureCode::IncorrectOrUnknownPaymentDetails);
+ do_test_fail_htlc_backwards_with_reason(FailureCode::InvalidOnionPayload(Some((1 << 16, 42))));
+ do_test_fail_htlc_backwards_with_reason(FailureCode::InvalidOnionPayload(None));
}
macro_rules! get_phantom_route {
])]).unwrap();
let scorer = test_utils::TestScorer::new();
let network_graph = $nodes[0].network_graph.read_only();
+ let route_params = RouteParameters::from_payment_params_and_value(payment_params, $amt);
(get_route(
- &$nodes[0].node.get_our_node_id(), &payment_params, &network_graph,
+ &$nodes[0].node.get_our_node_id(), &route_params, &network_graph,
Some(&$nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()),
- $amt, $nodes[0].logger, &scorer, &(), &[0u8; 32]
+ $nodes[0].logger, &scorer, &Default::default(), &[0u8; 32]
).unwrap(), phantom_route_hint.phantom_scid)
}
}}