X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=fuzz%2Ffuzz_targets%2Ffull_stack_target.rs;h=937c735064bed101861437f74372c85eba988747;hb=02b541607bb7a8234675b1e2101c1e31d372706f;hp=3222252ef2e5b67de122f59f8a1e942e3ed8c64d;hpb=e361fed0f1a2f1502051c9cc5d9c52914391e349;p=rust-lightning diff --git a/fuzz/fuzz_targets/full_stack_target.rs b/fuzz/fuzz_targets/full_stack_target.rs index 3222252e..937c7350 100644 --- a/fuzz/fuzz_targets/full_stack_target.rs +++ b/fuzz/fuzz_targets/full_stack_target.rs @@ -1,5 +1,14 @@ +//! Test that no series of bytes received over the wire/connections created/payments sent can +//! result in a crash. We do this by standing up a node and then reading bytes from input to denote +//! actions such as creating new inbound/outbound connections, bytes to be read from a connection, +//! or payments to send/ways to handle events generated. +//! This test has been very useful, though due to its complexity good starting inputs are critical. + +//Uncomment this for libfuzzer builds: +//#![no_main] + extern crate bitcoin; -extern crate crypto; +extern crate bitcoin_hashes; extern crate lightning; extern crate secp256k1; @@ -7,23 +16,27 @@ use bitcoin::blockdata::block::BlockHeader; use bitcoin::blockdata::transaction::{Transaction, TxOut}; use bitcoin::blockdata::script::{Builder, Script}; use bitcoin::blockdata::opcodes; +use bitcoin::consensus::encode::deserialize; use bitcoin::network::constants::Network; -use bitcoin::network::serialize::{deserialize, serialize, BitcoinHash}; -use bitcoin::util::hash::{Sha256dHash, Hash160}; +use bitcoin::util::hash::BitcoinHash; -use crypto::digest::Digest; +use bitcoin_hashes::Hash as TraitImport; +use bitcoin_hashes::HashEngine as TraitImportEngine; +use bitcoin_hashes::sha256::Hash as Sha256; +use bitcoin_hashes::hash160::Hash as Hash160; +use bitcoin_hashes::sha256d::Hash as Sha256dHash; use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil}; use lightning::chain::transaction::OutPoint; use lightning::chain::keysinterface::{ChannelKeys, KeysInterface}; use lightning::ln::channelmonitor; -use lightning::ln::channelmanager::{ChannelManager, PaymentFailReason}; +use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage}; use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor}; use lightning::ln::router::Router; use lightning::util::events::{EventsProvider,Event}; -use lightning::util::reset_rng_state; +use lightning::util::{reset_rng_state, fill_bytes}; use lightning::util::logger::Logger; -use lightning::util::sha2::Sha256; +use lightning::util::config::UserConfig; mod utils; @@ -33,7 +46,7 @@ use secp256k1::key::{PublicKey,SecretKey}; use secp256k1::Secp256k1; use std::cell::RefCell; -use std::collections::HashMap; +use std::collections::{HashMap, hash_map}; use std::cmp; use std::hash::Hash; use std::sync::Arc; @@ -140,10 +153,11 @@ struct MoneyLossDetector<'a> { peers: &'a RefCell<[bool; 256]>, funding_txn: Vec, + txids_confirmed: HashMap, header_hashes: Vec, height: usize, max_height: usize, - + blocks_connected: u32, } impl<'a> MoneyLossDetector<'a> { pub fn new(peers: &'a RefCell<[bool; 256]>, manager: Arc, monitor: Arc>, handler: PeerManager>) -> Self { @@ -154,17 +168,34 @@ impl<'a> MoneyLossDetector<'a> { peers, funding_txn: Vec::new(), + txids_confirmed: HashMap::new(), header_hashes: vec![Default::default()], height: 0, max_height: 0, + blocks_connected: 0, } } - fn connect_block(&mut self, txn: &[&Transaction], txn_idxs: &[u32]) { - let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + fn connect_block(&mut self, all_txn: &[Transaction]) { + let mut txn = Vec::with_capacity(all_txn.len()); + let mut txn_idxs = Vec::with_capacity(all_txn.len()); + for (idx, tx) in all_txn.iter().enumerate() { + let txid = tx.txid(); + match self.txids_confirmed.entry(txid) { + hash_map::Entry::Vacant(e) => { + e.insert(self.height); + txn.push(tx); + txn_idxs.push(idx as u32 + 1); + }, + _ => {}, + } + } + + let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 }; self.height += 1; - self.manager.block_connected(&header, self.height as u32, txn, txn_idxs); - (*self.monitor).block_connected(&header, self.height as u32, txn, txn_idxs); + self.blocks_connected += 1; + self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]); + (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]); if self.header_hashes.len() > self.height { self.header_hashes[self.height] = header.bitcoin_hash(); } else { @@ -180,21 +211,27 @@ impl<'a> MoneyLossDetector<'a> { let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; self.manager.block_disconnected(&header); self.monitor.block_disconnected(&header); + let removal_height = self.height; + self.txids_confirmed.retain(|_, height| { + removal_height != *height + }); } } } impl<'a> Drop for MoneyLossDetector<'a> { fn drop(&mut self) { - // Disconnect all peers - for (idx, peer) in self.peers.borrow().iter().enumerate() { - if *peer { - self.handler.disconnect_event(&Peer{id: idx as u8, peers_connected: &self.peers}); + if !::std::thread::panicking() { + // Disconnect all peers + for (idx, peer) in self.peers.borrow().iter().enumerate() { + if *peer { + self.handler.disconnect_event(&Peer{id: idx as u8, peers_connected: &self.peers}); + } } - } - // Force all channels onto the chain (and time out claim txn) - self.manager.force_close_all_channels(); + // Force all channels onto the chain (and time out claim txn) + self.manager.force_close_all_channels(); + } } } @@ -208,42 +245,66 @@ impl KeysInterface for KeyProvider { fn get_destination_script(&self) -> Script { let secp_ctx = Secp256k1::signing_only(); - let channel_monitor_claim_key = SecretKey::from_slice(&secp_ctx, &hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(); - let our_channel_monitor_claim_key_hash = Hash160::from_data(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize()); - Builder::new().push_opcode(opcodes::All::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script() + let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(); + let our_channel_monitor_claim_key_hash = ::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize()); + Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script() } fn get_shutdown_pubkey(&self) -> PublicKey { let secp_ctx = Secp256k1::signing_only(); - PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap()) + PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap()) } fn get_channel_keys(&self, inbound: bool) -> ChannelKeys { - let secp_ctx = Secp256k1::without_caps(); if inbound { ChannelKeys { - funding_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]).unwrap(), - revocation_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0]).unwrap(), - payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0]).unwrap(), - delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0]).unwrap(), - htlc_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0]).unwrap(), - channel_close_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0]).unwrap(), - channel_monitor_claim_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0]).unwrap(), + funding_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]).unwrap(), + revocation_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0]).unwrap(), + payment_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0]).unwrap(), + delayed_payment_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0]).unwrap(), + htlc_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0]).unwrap(), commitment_seed: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], } } else { ChannelKeys { - funding_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - revocation_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - htlc_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - channel_close_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), - channel_monitor_claim_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), + funding_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), + revocation_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), + payment_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), + delayed_payment_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), + htlc_base_key: SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), commitment_seed: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], } } } + + fn get_session_key(&self) -> SecretKey { + let mut session_key = [0; 32]; + fill_bytes(&mut session_key); + SecretKey::from_slice(&session_key).unwrap() + } + + fn get_channel_id(&self) -> [u8; 32] { + let mut channel_id = [0; 32]; + fill_bytes(&mut channel_id); + for i in 0..4 { + // byteswap the u64s in channel_id to make it distinct from get_session_key (and match + // old code that wrote out different endianness). + let mut t; + t = channel_id[i*8 + 0]; + channel_id[i*8 + 0] = channel_id[i*8 + 7]; + channel_id[i*8 + 7] = t; + t = channel_id[i*8 + 1]; + channel_id[i*8 + 1] = channel_id[i*8 + 6]; + channel_id[i*8 + 6] = t; + t = channel_id[i*8 + 2]; + channel_id[i*8 + 2] = channel_id[i*8 + 5]; + channel_id[i*8 + 5] = t; + t = channel_id[i*8 + 3]; + channel_id[i*8 + 3] = channel_id[i*8 + 4]; + channel_id[i*8 + 4] = t; + } + channel_id + } } #[inline] @@ -267,28 +328,31 @@ pub fn do_test(data: &[u8], logger: &Arc) { } } - let secp_ctx = Secp256k1::new(); macro_rules! get_pubkey { () => { - match PublicKey::from_slice(&secp_ctx, get_slice!(33)) { + match PublicKey::from_slice(get_slice!(33)) { Ok(key) => key, Err(_) => return, } } } - let our_network_key = match SecretKey::from_slice(&secp_ctx, get_slice!(32)) { + let our_network_key = match SecretKey::from_slice(get_slice!(32)) { Ok(key) => key, Err(_) => return, }; let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger))); let broadcast = Arc::new(TestBroadcaster{}); - let monitor = channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone()); + let monitor = channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger)); let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone() }); - let channelmanager = ChannelManager::new(slice_to_be32(get_slice!(4)), get_slice!(1)[0] != 0, Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone()).unwrap(); - let router = Arc::new(Router::new(PublicKey::from_secret_key(&secp_ctx, &keys_manager.get_node_secret()), watch.clone(), Arc::clone(&logger))); + let mut config = UserConfig::new(); + config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4)); + config.channel_options.announced_channel = get_slice!(1)[0] != 0; + config.channel_limits.min_dust_limit_satoshis = 0; + let channelmanager = ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config).unwrap(); + let router = Arc::new(Router::new(PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret()), watch.clone(), Arc::clone(&logger))); let peers = RefCell::new([false; 256]); let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler { @@ -297,7 +361,7 @@ pub fn do_test(data: &[u8], logger: &Arc) { }, our_network_key, Arc::clone(&logger))); let mut should_forward = false; - let mut payments_received: Vec<[u8; 32]> = Vec::new(); + let mut payments_received: Vec = Vec::new(); let mut payments_sent = 0; let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new(); let mut pending_funding_signatures = HashMap::new(); @@ -349,11 +413,11 @@ pub fn do_test(data: &[u8], logger: &Arc) { Ok(route) => route, Err(_) => return, }; - let mut payment_hash = [0; 32]; - payment_hash[0..8].copy_from_slice(&be64_to_array(payments_sent)); - let mut sha = Sha256::new(); - sha.input(&payment_hash); - sha.result(&mut payment_hash); + let mut payment_hash = PaymentHash([0; 32]); + payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent)); + let mut sha = Sha256::engine(); + sha.input(&payment_hash.0[..]); + payment_hash.0 = Sha256::from_engine(sha).into_inner(); payments_sent += 1; match channelmanager.send_payment(route, payment_hash) { Ok(_) => {}, @@ -387,51 +451,51 @@ pub fn do_test(data: &[u8], logger: &Arc) { // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot // fulfill this HTLC, but if they are, we can just take the first byte and // place that anywhere in our preimage. - if &payment[1..] != &[0; 31] { - channelmanager.fail_htlc_backwards(&payment, PaymentFailReason::PreimageUnknown); + if &payment.0[1..] != &[0; 31] { + channelmanager.fail_htlc_backwards(&payment); } else { - let mut payment_preimage = [0; 32]; - payment_preimage[0] = payment[0]; + let mut payment_preimage = PaymentPreimage([0; 32]); + payment_preimage.0[0] = payment.0[0]; channelmanager.claim_funds(payment_preimage); } } }, 9 => { for payment in payments_received.drain(..) { - channelmanager.fail_htlc_backwards(&payment, PaymentFailReason::PreimageUnknown); + channelmanager.fail_htlc_backwards(&payment); } }, 10 => { - for funding_generation in pending_funding_generation.drain(..) { + 'outer_loop: for funding_generation in pending_funding_generation.drain(..) { let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut { value: funding_generation.1, script_pubkey: funding_generation.2, }] }; - let funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0); - let mut found_duplicate_txo = false; - for chan in channelmanager.list_channels() { - if chan.channel_id == funding_output.to_channel_id() { - found_duplicate_txo = true; + let funding_output = 'search_loop: loop { + let funding_txid = tx.txid(); + if let None = loss_detector.txids_confirmed.get(&funding_txid) { + let outpoint = OutPoint::new(funding_txid, 0); + for chan in channelmanager.list_channels() { + if chan.channel_id == outpoint.to_channel_id() { + tx.version += 1; + continue 'search_loop; + } + } + break outpoint; } - } - if !found_duplicate_txo { - channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone()); - pending_funding_signatures.insert(funding_output, tx); - } + tx.version += 1; + if tx.version > 0xff { + continue 'outer_loop; + } + }; + channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone()); + pending_funding_signatures.insert(funding_output, tx); } }, 11 => { if !pending_funding_relay.is_empty() { - let mut txn = Vec::with_capacity(pending_funding_relay.len()); - let mut txn_idxs = Vec::with_capacity(pending_funding_relay.len()); - for (idx, tx) in pending_funding_relay.iter().enumerate() { - txn.push(tx); - txn_idxs.push(idx as u32 + 1); - } - - loss_detector.connect_block(&txn[..], &txn_idxs[..]); - txn_idxs.clear(); + loss_detector.connect_block(&pending_funding_relay[..]); for _ in 2..100 { - loss_detector.connect_block(&txn[..], &txn_idxs[..]); + loss_detector.connect_block(&[]); } } for tx in pending_funding_relay.drain(..) { @@ -441,11 +505,11 @@ pub fn do_test(data: &[u8], logger: &Arc) { 12 => { let txlen = slice_to_be16(get_slice!(2)); if txlen == 0 { - loss_detector.connect_block(&[], &[]); + loss_detector.connect_block(&[]); } else { let txres: Result = deserialize(get_slice!(txlen)); if let Ok(tx) = txres { - loss_detector.connect_block(&[&tx], &[1]); + loss_detector.connect_block(&[tx]); } else { return; } @@ -464,7 +528,7 @@ pub fn do_test(data: &[u8], logger: &Arc) { _ => return, } loss_detector.handler.process_events(); - for event in loss_detector.handler.get_and_clear_pending_events() { + for event in loss_detector.manager.get_and_clear_pending_events() { match event { Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => { pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script)); @@ -477,11 +541,10 @@ pub fn do_test(data: &[u8], logger: &Arc) { }, Event::PaymentSent {..} => {}, Event::PaymentFailed {..} => {}, - Event::PendingHTLCsForwardable {..} => { should_forward = true; }, - _ => panic!("Unknown event"), + Event::SpendableOutputs {..} => {}, } } } @@ -492,7 +555,7 @@ pub fn do_test(data: &[u8], logger: &Arc) { #[cfg(feature = "afl")] fn main() { fuzz!(|data| { - let logger: Arc = Arc::new(test_logger::TestLogger{}); + let logger: Arc = Arc::new(test_logger::TestLogger::new("".to_owned())); do_test(data, &logger); }); } @@ -503,12 +566,20 @@ fn main() { fn main() { loop { fuzz!(|data| { - let logger: Arc = Arc::new(test_logger::TestLogger{}); + let logger: Arc = Arc::new(test_logger::TestLogger::new("".to_owned())); do_test(data, &logger); }); } } +#[cfg(feature = "libfuzzer_fuzz")] +#[macro_use] extern crate libfuzzer_sys; +#[cfg(feature = "libfuzzer_fuzz")] +fuzz_target!(|data: &[u8]| { + let logger: Arc = Arc::new(test_logger::TestLogger::new("".to_owned())); + do_test(data, &logger); +}); + extern crate hex; #[cfg(test)] mod tests { @@ -519,7 +590,7 @@ mod tests { #[test] fn duplicate_crash() { - let logger: Arc = Arc::new(test_logger::TestLogger{}); + let logger: Arc = Arc::new(test_logger::TestLogger::new("".to_owned())); super::do_test(&::hex::decode("00").unwrap(), &logger); } @@ -545,6 +616,12 @@ mod tests { // What each byte represents is broken down below, and then everything is concatenated into // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g). + // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length + + // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC + // of the Lightning message + // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length) + // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message) + // 0000000000000000000000000000000000000000000000000000000000000000 - our network key // 00000000 - fee_proportional_millionths // 01 - announce_channels_publicly @@ -557,7 +634,7 @@ mod tests { // 030012 - inbound read from peer id 0 of len 18 // 0006 03000000000000000000000000000000 - message header indicating message length 6 // 030016 - inbound read from peer id 0 of len 22 - // 0010 00000000 03000000000000000000000000000000 - init message with no features (type 16) + // 0010 00000000 03000000000000000000000000000000 - init message with no features (type 16) and mac // // 030012 - inbound read from peer id 0 of len 18 // 0141 03000000000000000000000000000000 - message header indicating message length 321 @@ -566,13 +643,13 @@ mod tests { // 030053 - inbound read from peer id 0 of len 83 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac // - // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) + // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000) // // 030012 - inbound read from peer id 0 of len 18 // 0084 03000000000000000000000000000000 - message header indicating message length 132 // 030094 - inbound read from peer id 0 of len 148 - // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 36000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac + // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 5c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000) // // 0c005e - connect a block with one transaction of len 94 @@ -608,7 +685,7 @@ mod tests { // 0010 00000000 01000000000000000000000000000000 - init message with no features (type 16) // // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat - // 00fd00fd00fd - Three feerate requests (all returning min feerate) + // 00fd00fd00fd - Three feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator) // // 030112 - inbound read from peer id 1 of len 18 // 0110 01000000000000000000000000000000 - message header indicating message length 272 @@ -647,12 +724,12 @@ mod tests { // 0300c1 - inbound read from peer id 0 of len 193 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac // - // 00fd - A feerate request (returning min feerate, which our open_channel also uses) + // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // // 030012 - inbound read from peer id 0 of len 18 // 0064 03000000000000000000000000000000 - message header indicating message length 100 // 030074 - inbound read from peer id 0 of len 116 - // 0084 3d00000000000000000000000000000000000000000000000000000000000000 27000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac + // 0084 3d00000000000000000000000000000000000000000000000000000000000000 4d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000) // // 030012 - inbound read from peer id 0 of len 18 @@ -706,7 +783,7 @@ mod tests { // 0300c1 - inbound read from peer id 0 of len 193 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac // - // 00fd - A feerate request (returning min feerate, which our open_channel also uses) + // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0 // 030012 - inbound read from peer id 0 of len 18 @@ -718,7 +795,7 @@ mod tests { // 030012 - inbound read from peer id 0 of len 18 // 0064 03000000000000000000000000000000 - message header indicating message length 100 // 030074 - inbound read from peer id 0 of len 116 - // 0084 3d00000000000000000000000000000000000000000000000000000000000000 d4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac + // 0084 3d00000000000000000000000000000000000000000000000000000000000000 be000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac // // 030012 - inbound read from peer id 0 of len 18 // 0063 03000000000000000000000000000000 - message header indicating message length 99 @@ -754,8 +831,10 @@ mod tests { // 030173 - inbound read from peer id 1 of len 115 // 0085 3f00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac // + // 07 - process the now-pending HTLC forward // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9) // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0 + // // 030012 - inbound read from peer id 0 of len 18 // 0063 03000000000000000000000000000000 - message header indicating message length 99 // 030073 - inbound read from peer id 0 of len 115 @@ -764,13 +843,13 @@ mod tests { // 030012 - inbound read from peer id 0 of len 18 // 0064 03000000000000000000000000000000 - message header indicating message length 100 // 030074 - inbound read from peer id 0 of len 116 - // 0084 3d00000000000000000000000000000000000000000000000000000000000000 25000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac + // 0084 3d00000000000000000000000000000000000000000000000000000000000000 4f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac // - client should now respond with revoke_and_ack (CHECK 5 duplicate) // // 030012 - inbound read from peer id 0 of len 18 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452 // 0300ff - inbound read from peer id 0 of len 255 - // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 000000000003e900 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e800000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client + // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e800000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client // 0300ff - inbound read from peer id 0 of len 255 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff // 0300ff - inbound read from peer id 0 of len 255 @@ -782,12 +861,12 @@ mod tests { // 0300c1 - inbound read from peer id 0 of len 193 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac // - // 00fd - A feerate request (returning min feerate, which our open_channel also uses) + // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // // 030012 - inbound read from peer id 0 of len 18 // 00a4 03000000000000000000000000000000 - message header indicating message length 164 // 0300b4 - inbound read from peer id 0 of len 180 - // 0084 3d00000000000000000000000000000000000000000000000000000000000000 68000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 0a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d 00000000000000 03000000000000000000000000000000 - commitment_signed and mac + // 0084 3d00000000000000000000000000000000000000000000000000000000000000 07000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates) // // 030012 - inbound read from peer id 0 of len 18 @@ -799,23 +878,27 @@ mod tests { // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate) // // 0c007d - connect a block with one transaction of len 125 - // 02000000013f00000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020ed000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b88e0198963bf4c37de498583a3ccdb9d67e97405000020 - the funding transaction - // 00fd - A feerate request (returning min feerate, which our open_channel also uses) + // 02000000013f00000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020e2000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142e0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000 + // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // 0c005e - connect a block with one transaction of len 94 - // 0200000001ec00000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction + // 0200000001fb00000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the commitment transaction for channel 3d00000000000000000000000000000000000000000000000000000000000000 + // + // 07 - process the now-pending HTLC forward + // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10) let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) }); - super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc)); + 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&(Arc::clone(&logger) as Arc)); let log_entries = logger.lines.lock().unwrap(); - assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Encoding and sending message of type 33 to 030000000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 1 - assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Encoding and sending message of type 35 to 030000000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2 + assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1 + assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3f00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4 - assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Encoding and sending message of type 133 to 030000000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5 - assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Encoding and sending message of type 132 to 030000000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6 + assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5 + assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3f00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8 - assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 9 + assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9 + assert_eq!(log_entries.get(&("lightning::ln::channelmonitor".to_string(), "Input spending remote commitment tx (00000000000000000000000000000000000000000000000000000000000000fb:0) in 0000000000000000000000000000000000000000000000000000000000000042 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10 } }