+++ /dev/null
-extern crate bitcoin;
-extern crate bitcoin_hashes;
-extern crate lightning;
-extern crate secp256k1;
-
-use bitcoin_hashes::sha256d::Hash as Sha256dHash;
-use bitcoin::blockdata::script::{Script, Builder};
-
-use lightning::chain::chaininterface::{ChainError,ChainWatchInterface, ChainListener};
-use lightning::ln::channelmanager::ChannelDetails;
-use lightning::ln::msgs;
-use lightning::ln::msgs::{RoutingMessageHandler};
-use lightning::ln::router::{Router, RouteHint};
-use lightning::util::logger::Logger;
-use lightning::util::ser::Readable;
-
-use secp256k1::key::PublicKey;
-
-mod utils;
-
-use utils::test_logger;
-
-use std::sync::{Weak, Arc};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-#[inline]
-pub fn slice_to_be16(v: &[u8]) -> u16 {
- ((v[0] as u16) << 8*1) |
- ((v[1] as u16) << 8*0)
-}
-
-#[inline]
-pub fn slice_to_be32(v: &[u8]) -> u32 {
- ((v[0] as u32) << 8*3) |
- ((v[1] as u32) << 8*2) |
- ((v[2] as u32) << 8*1) |
- ((v[3] as u32) << 8*0)
-}
-
-#[inline]
-pub fn slice_to_be64(v: &[u8]) -> u64 {
- ((v[0] as u64) << 8*7) |
- ((v[1] as u64) << 8*6) |
- ((v[2] as u64) << 8*5) |
- ((v[3] as u64) << 8*4) |
- ((v[4] as u64) << 8*3) |
- ((v[5] as u64) << 8*2) |
- ((v[6] as u64) << 8*1) |
- ((v[7] as u64) << 8*0)
-}
-
-
-struct InputData {
- data: Vec<u8>,
- read_pos: AtomicUsize,
-}
-impl InputData {
- fn get_slice(&self, len: usize) -> Option<&[u8]> {
- let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
- if self.data.len() < old_pos + len {
- return None;
- }
- Some(&self.data[old_pos..old_pos + len])
- }
- fn get_slice_nonadvancing(&self, len: usize) -> Option<&[u8]> {
- let old_pos = self.read_pos.load(Ordering::Acquire);
- if self.data.len() < old_pos + len {
- return None;
- }
- Some(&self.data[old_pos..old_pos + len])
- }
-}
-
-struct DummyChainWatcher {
- input: Arc<InputData>,
-}
-
-impl ChainWatchInterface for DummyChainWatcher {
- fn install_watch_tx(&self, _txid: &Sha256dHash, _script_pub_key: &Script) { }
- fn install_watch_outpoint(&self, _outpoint: (Sha256dHash, u32), _out_script: &Script) { }
- fn watch_all_txn(&self) { }
- fn register_listener(&self, _listener: Weak<ChainListener>) { }
-
- fn get_chain_utxo(&self, _genesis_hash: Sha256dHash, _unspent_tx_output_identifier: u64) -> Result<(Script, u64), ChainError> {
- match self.input.get_slice(2) {
- Some(&[0, _]) => Err(ChainError::NotSupported),
- Some(&[1, _]) => Err(ChainError::NotWatched),
- Some(&[2, _]) => Err(ChainError::UnknownTx),
- Some(&[_, x]) => Ok((Builder::new().push_int(x as i64).into_script().to_v0_p2wsh(), 0)),
- None => Err(ChainError::UnknownTx),
- _ => unreachable!(),
- }
- }
-}
-
-#[inline]
-pub fn do_test(data: &[u8]) {
- let input = Arc::new(InputData {
- data: data.to_vec(),
- read_pos: AtomicUsize::new(0),
- });
- macro_rules! get_slice_nonadvancing {
- ($len: expr) => {
- match input.get_slice_nonadvancing($len as usize) {
- Some(slice) => slice,
- None => return,
- }
- }
- }
- macro_rules! get_slice {
- ($len: expr) => {
- match input.get_slice($len as usize) {
- Some(slice) => slice,
- None => return,
- }
- }
- }
-
- macro_rules! decode_msg {
- ($MsgType: path, $len: expr) => {{
- let mut reader = ::std::io::Cursor::new(get_slice!($len));
- match <($MsgType)>::read(&mut reader) {
- Ok(msg) => msg,
- Err(e) => match e {
- msgs::DecodeError::UnknownVersion => return,
- msgs::DecodeError::UnknownRequiredFeature => return,
- msgs::DecodeError::InvalidValue => return,
- msgs::DecodeError::ExtraAddressesPerType => return,
- msgs::DecodeError::BadLengthDescriptor => return,
- msgs::DecodeError::ShortRead => panic!("We picked the length..."),
- msgs::DecodeError::Io(e) => panic!(format!("{}", e)),
- }
- }
- }}
- }
-
- macro_rules! decode_msg_with_len16 {
- ($MsgType: path, $begin_len: expr, $excess: expr) => {
- {
- let extra_len = slice_to_be16(&get_slice_nonadvancing!($begin_len as usize + 2)[$begin_len..$begin_len + 2]);
- decode_msg!($MsgType, $begin_len as usize + 2 + (extra_len as usize) + $excess)
- }
- }
- }
-
- macro_rules! get_pubkey {
- () => {
- match PublicKey::from_slice(get_slice!(33)) {
- Ok(key) => key,
- Err(_) => return,
- }
- }
- }
-
- let logger: Arc<Logger> = Arc::new(test_logger::TestLogger::new("".to_owned()));
- let chain_monitor = Arc::new(DummyChainWatcher {
- input: Arc::clone(&input),
- });
-
- let our_pubkey = get_pubkey!();
- let router = Router::new(our_pubkey.clone(), chain_monitor, Arc::clone(&logger));
-
- loop {
- match get_slice!(1)[0] {
- 0 => {
- let start_len = slice_to_be16(&get_slice_nonadvancing!(64 + 2)[64..64 + 2]) as usize;
- let addr_len = slice_to_be16(&get_slice_nonadvancing!(64+start_len+2 + 74)[64+start_len+2 + 72..64+start_len+2 + 74]);
- if addr_len > (37+1)*4 {
- return;
- }
- let _ = router.handle_node_announcement(&decode_msg_with_len16!(msgs::NodeAnnouncement, 64, 288));
- },
- 1 => {
- let _ = router.handle_channel_announcement(&decode_msg_with_len16!(msgs::ChannelAnnouncement, 64*4, 32+8+33*4));
- },
- 2 => {
- let _ = router.handle_channel_update(&decode_msg!(msgs::ChannelUpdate, 128));
- },
- 3 => {
- match get_slice!(1)[0] {
- 0 => {
- router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelUpdateMessage {msg: decode_msg!(msgs::ChannelUpdate, 128)});
- },
- 1 => {
- let short_channel_id = slice_to_be64(get_slice!(8));
- router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed {short_channel_id, is_permanent: false});
- },
- _ => return,
- }
- },
- 4 => {
- let target = get_pubkey!();
- let mut first_hops_vec = Vec::new();
- let first_hops = match get_slice!(1)[0] {
- 0 => None,
- 1 => {
- let count = slice_to_be16(get_slice!(2));
- for _ in 0..count {
- first_hops_vec.push(ChannelDetails {
- channel_id: [0; 32],
- short_channel_id: Some(slice_to_be64(get_slice!(8))),
- remote_network_id: get_pubkey!(),
- channel_value_satoshis: slice_to_be64(get_slice!(8)),
- user_id: 0,
- inbound_capacity_msat: 0,
- is_live: true,
- outbound_capacity_msat: 0,
- });
- }
- Some(&first_hops_vec[..])
- },
- _ => return,
- };
- let mut last_hops_vec = Vec::new();
- let last_hops = {
- let count = slice_to_be16(get_slice!(2));
- for _ in 0..count {
- last_hops_vec.push(RouteHint {
- src_node_id: get_pubkey!(),
- short_channel_id: slice_to_be64(get_slice!(8)),
- fee_base_msat: slice_to_be32(get_slice!(4)),
- fee_proportional_millionths: slice_to_be32(get_slice!(4)),
- cltv_expiry_delta: slice_to_be16(get_slice!(2)),
- htlc_minimum_msat: slice_to_be64(get_slice!(8)),
- });
- }
- &last_hops_vec[..]
- };
- let _ = router.get_route(&target, first_hops, last_hops, slice_to_be64(get_slice!(8)), slice_to_be32(get_slice!(4)));
- },
- _ => return,
- }
- }
-}
-
-#[cfg(feature = "afl")]
-#[macro_use] extern crate afl;
-#[cfg(feature = "afl")]
-fn main() {
- fuzz!(|data| {
- do_test(data);
- });
-}
-
-#[cfg(feature = "honggfuzz")]
-#[macro_use] extern crate honggfuzz;
-#[cfg(feature = "honggfuzz")]
-fn main() {
- loop {
- fuzz!(|data| {
- do_test(data);
- });
- }
-}
-
-extern crate hex;
-#[cfg(test)]
-mod tests {
-
- #[test]
- fn duplicate_crash() {
- super::do_test(&::hex::decode("00").unwrap());
- }
-}