2 extern crate lightning;
3 extern crate secp256k1;
5 use bitcoin::network::constants::Network;
6 use bitcoin::util::hash::Sha256dHash;
8 use lightning::chain::chaininterface::{ConfirmationTarget,FeeEstimator,ChainWatchInterfaceUtil};
9 use lightning::ln::{channelmonitor,msgs};
10 use lightning::ln::channelmanager::ChannelManager;
11 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
12 use lightning::ln::router::Router;
14 use secp256k1::key::{PublicKey,SecretKey};
15 use secp256k1::Secp256k1;
18 use std::sync::atomic::{AtomicUsize,Ordering};
21 pub fn slice_to_be16(v: &[u8]) -> u16 {
22 ((v[0] as u16) << 8*1) |
23 ((v[1] as u16) << 8*0)
27 pub fn slice_to_be32(v: &[u8]) -> u32 {
28 ((v[0] as u32) << 8*3) |
29 ((v[1] as u32) << 8*2) |
30 ((v[2] as u32) << 8*1) |
31 ((v[3] as u32) << 8*0)
36 read_pos: AtomicUsize,
39 fn get_slice(&self, len: usize) -> Option<&[u8]> {
40 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
41 if self.data.len() < old_pos + len {
44 Some(&self.data[old_pos..old_pos + len])
46 fn get_slice_nonadvancing(&self, len: usize) -> Option<&[u8]> {
47 let old_pos = self.read_pos.load(Ordering::Acquire);
48 if self.data.len() < old_pos + len {
51 Some(&self.data[old_pos..old_pos + len])
55 struct FuzzEstimator {
56 input: Arc<InputData>,
58 impl FeeEstimator for FuzzEstimator {
59 fn get_est_sat_per_vbyte(&self, _: ConfirmationTarget) -> u64 {
60 //TODO: We should actually be testing at least much more than 64k...
61 match self.input.get_slice(2) {
62 Some(slice) => slice_to_be16(slice) as u64,
68 struct TestChannelMonitor {}
69 impl channelmonitor::ManyChannelMonitor for TestChannelMonitor {
70 fn add_update_monitor(&self, _funding_txo: (Sha256dHash, u16), _monitor: channelmonitor::ChannelMonitor) -> Result<(), msgs::HandleError> {
76 #[derive(Clone, PartialEq, Eq, Hash)]
80 impl SocketDescriptor for Peer {
81 fn send_data(&mut self, data: &Vec<u8>, write_offset: usize, _resume_read: bool) -> usize {
82 assert!(write_offset < data.len());
83 data.len() - write_offset
88 pub fn do_test(data: &[u8]) {
89 let input = Arc::new(InputData {
91 read_pos: AtomicUsize::new(0),
93 let fee_est = Arc::new(FuzzEstimator {
97 macro_rules! get_slice {
99 match input.get_slice($len as usize) {
100 Some(slice) => slice,
106 let secp_ctx = Secp256k1::new();
107 macro_rules! get_pubkey {
109 match PublicKey::from_slice(&secp_ctx, get_slice!(33)) {
116 let our_network_key = match SecretKey::from_slice(&secp_ctx, get_slice!(32)) {
121 let monitor = Arc::new(TestChannelMonitor{});
122 let watch = Arc::new(ChainWatchInterfaceUtil::new());
124 let channelmanager = ChannelManager::new(our_network_key, slice_to_be32(get_slice!(4)), get_slice!(1)[0] != 0, Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone()).unwrap();
125 let router = Arc::new(Router::new(PublicKey::from_secret_key(&secp_ctx, &our_network_key).unwrap()));
127 let handler = PeerManager::new(MessageHandler {
128 chan_handler: channelmanager.clone(),
129 route_handler: router.clone(),
132 let mut peers = [false; 256];
135 match get_slice!(1)[0] {
144 if new_id == 0 { return; }
145 peers[new_id - 1] = true;
146 handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8}).unwrap();
156 if new_id == 0 { return; }
157 peers[new_id - 1] = true;
158 handler.new_inbound_connection(Peer{id: (new_id - 1) as u8}).unwrap();
161 let peer_id = get_slice!(1)[0];
162 if !peers[peer_id as usize] { return; }
163 peers[peer_id as usize] = false;
164 handler.disconnect_event(&Peer{id: peer_id});
167 let peer_id = get_slice!(1)[0];
168 if !peers[peer_id as usize] { return; }
169 match handler.read_event(&mut Peer{id: peer_id}, get_slice!(get_slice!(1)[0]).to_vec()) {
170 Ok(res) => assert!(!res),
171 Err(_) => { peers[peer_id as usize] = false; }
179 #[cfg(feature = "afl")]
181 #[cfg(feature = "afl")]
183 afl::read_stdio_bytes(|data| {
188 #[cfg(feature = "honggfuzz")]
189 #[macro_use] extern crate honggfuzz;
190 #[cfg(feature = "honggfuzz")]
201 fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
203 for (idx, c) in hex.as_bytes().iter().enumerate() {
206 b'A'...b'F' => b |= c - b'A' + 10,
207 b'a'...b'f' => b |= c - b'a' + 10,
208 b'0'...b'9' => b |= c - b'0',
209 _ => panic!("Bad hex"),
219 fn duplicate_crash() {
220 let mut a = Vec::new();
221 extend_vec_from_hex("00", &mut a);