2 extern crate bitcoin_hashes;
3 extern crate lightning;
4 extern crate secp256k1;
6 use bitcoin_hashes::sha256d::Hash as Sha256dHash;
7 use bitcoin::blockdata::script::{Script, Builder};
9 use lightning::chain::chaininterface::{ChainError,ChainWatchInterface, ChainListener};
10 use lightning::ln::channelmanager::ChannelDetails;
11 use lightning::ln::msgs;
12 use lightning::ln::msgs::{RoutingMessageHandler};
13 use lightning::ln::router::{Router, RouteHint};
14 use lightning::util::logger::Logger;
15 use lightning::util::ser::Readable;
17 use secp256k1::key::PublicKey;
21 use utils::test_logger;
23 use std::sync::{Weak, Arc};
24 use std::sync::atomic::{AtomicUsize, Ordering};
27 pub fn slice_to_be16(v: &[u8]) -> u16 {
28 ((v[0] as u16) << 8*1) |
29 ((v[1] as u16) << 8*0)
33 pub fn slice_to_be32(v: &[u8]) -> u32 {
34 ((v[0] as u32) << 8*3) |
35 ((v[1] as u32) << 8*2) |
36 ((v[2] as u32) << 8*1) |
37 ((v[3] as u32) << 8*0)
41 pub fn slice_to_be64(v: &[u8]) -> u64 {
42 ((v[0] as u64) << 8*7) |
43 ((v[1] as u64) << 8*6) |
44 ((v[2] as u64) << 8*5) |
45 ((v[3] as u64) << 8*4) |
46 ((v[4] as u64) << 8*3) |
47 ((v[5] as u64) << 8*2) |
48 ((v[6] as u64) << 8*1) |
49 ((v[7] as u64) << 8*0)
55 read_pos: AtomicUsize,
58 fn get_slice(&self, len: usize) -> Option<&[u8]> {
59 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
60 if self.data.len() < old_pos + len {
63 Some(&self.data[old_pos..old_pos + len])
65 fn get_slice_nonadvancing(&self, len: usize) -> Option<&[u8]> {
66 let old_pos = self.read_pos.load(Ordering::Acquire);
67 if self.data.len() < old_pos + len {
70 Some(&self.data[old_pos..old_pos + len])
74 struct DummyChainWatcher {
75 input: Arc<InputData>,
78 impl ChainWatchInterface for DummyChainWatcher {
79 fn install_watch_tx(&self, _txid: &Sha256dHash, _script_pub_key: &Script) { }
80 fn install_watch_outpoint(&self, _outpoint: (Sha256dHash, u32), _out_script: &Script) { }
81 fn watch_all_txn(&self) { }
82 fn register_listener(&self, _listener: Weak<ChainListener>) { }
84 fn get_chain_utxo(&self, _genesis_hash: Sha256dHash, _unspent_tx_output_identifier: u64) -> Result<(Script, u64), ChainError> {
85 match self.input.get_slice(2) {
86 Some(&[0, _]) => Err(ChainError::NotSupported),
87 Some(&[1, _]) => Err(ChainError::NotWatched),
88 Some(&[2, _]) => Err(ChainError::UnknownTx),
89 Some(&[_, x]) => Ok((Builder::new().push_int(x as i64).into_script().to_v0_p2wsh(), 0)),
90 None => Err(ChainError::UnknownTx),
97 pub fn do_test(data: &[u8]) {
98 let input = Arc::new(InputData {
100 read_pos: AtomicUsize::new(0),
102 macro_rules! get_slice_nonadvancing {
104 match input.get_slice_nonadvancing($len as usize) {
105 Some(slice) => slice,
110 macro_rules! get_slice {
112 match input.get_slice($len as usize) {
113 Some(slice) => slice,
119 macro_rules! decode_msg {
120 ($MsgType: path, $len: expr) => {{
121 let mut reader = ::std::io::Cursor::new(get_slice!($len));
122 match <($MsgType)>::read(&mut reader) {
125 msgs::DecodeError::UnknownVersion => return,
126 msgs::DecodeError::UnknownRequiredFeature => return,
127 msgs::DecodeError::InvalidValue => return,
128 msgs::DecodeError::ExtraAddressesPerType => return,
129 msgs::DecodeError::BadLengthDescriptor => return,
130 msgs::DecodeError::ShortRead => panic!("We picked the length..."),
131 msgs::DecodeError::Io(e) => panic!(format!("{}", e)),
137 macro_rules! decode_msg_with_len16 {
138 ($MsgType: path, $begin_len: expr, $excess: expr) => {
140 let extra_len = slice_to_be16(&get_slice_nonadvancing!($begin_len as usize + 2)[$begin_len..$begin_len + 2]);
141 decode_msg!($MsgType, $begin_len as usize + 2 + (extra_len as usize) + $excess)
146 macro_rules! get_pubkey {
148 match PublicKey::from_slice(get_slice!(33)) {
155 let logger: Arc<Logger> = Arc::new(test_logger::TestLogger::new("".to_owned()));
156 let chain_monitor = Arc::new(DummyChainWatcher {
157 input: Arc::clone(&input),
160 let our_pubkey = get_pubkey!();
161 let router = Router::new(our_pubkey.clone(), chain_monitor, Arc::clone(&logger));
164 match get_slice!(1)[0] {
166 let start_len = slice_to_be16(&get_slice_nonadvancing!(64 + 2)[64..64 + 2]) as usize;
167 let addr_len = slice_to_be16(&get_slice_nonadvancing!(64+start_len+2 + 74)[64+start_len+2 + 72..64+start_len+2 + 74]);
168 if addr_len > (37+1)*4 {
171 let _ = router.handle_node_announcement(&decode_msg_with_len16!(msgs::NodeAnnouncement, 64, 288));
174 let _ = router.handle_channel_announcement(&decode_msg_with_len16!(msgs::ChannelAnnouncement, 64*4, 32+8+33*4));
177 let _ = router.handle_channel_update(&decode_msg!(msgs::ChannelUpdate, 128));
180 match get_slice!(1)[0] {
182 router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelUpdateMessage {msg: decode_msg!(msgs::ChannelUpdate, 128)});
185 let short_channel_id = slice_to_be64(get_slice!(8));
186 router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed {short_channel_id, is_permanent: false});
192 let target = get_pubkey!();
193 let mut first_hops_vec = Vec::new();
194 let first_hops = match get_slice!(1)[0] {
197 let count = slice_to_be16(get_slice!(2));
199 first_hops_vec.push(ChannelDetails {
201 short_channel_id: Some(slice_to_be64(get_slice!(8))),
202 remote_network_id: get_pubkey!(),
203 channel_value_satoshis: slice_to_be64(get_slice!(8)),
205 inbound_capacity_msat: 0,
207 outbound_capacity_msat: 0,
210 Some(&first_hops_vec[..])
214 let mut last_hops_vec = Vec::new();
216 let count = slice_to_be16(get_slice!(2));
218 last_hops_vec.push(RouteHint {
219 src_node_id: get_pubkey!(),
220 short_channel_id: slice_to_be64(get_slice!(8)),
221 fee_base_msat: slice_to_be32(get_slice!(4)),
222 fee_proportional_millionths: slice_to_be32(get_slice!(4)),
223 cltv_expiry_delta: slice_to_be16(get_slice!(2)),
224 htlc_minimum_msat: slice_to_be64(get_slice!(8)),
229 let _ = router.get_route(&target, first_hops, last_hops, slice_to_be64(get_slice!(8)), slice_to_be32(get_slice!(4)));
236 #[cfg(feature = "afl")]
237 #[macro_use] extern crate afl;
238 #[cfg(feature = "afl")]
245 #[cfg(feature = "honggfuzz")]
246 #[macro_use] extern crate honggfuzz;
247 #[cfg(feature = "honggfuzz")]
261 fn duplicate_crash() {
262 super::do_test(&::hex::decode("00").unwrap());