extern crate lightning;
extern crate secp256k1;
+use bitcoin::util::hash::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::{MsgDecodable, RoutingMessageHandler};
+use lightning::ln::msgs::{RoutingMessageHandler};
use lightning::ln::router::{Router, RouteHint};
use lightning::util::reset_rng_state;
+use lightning::util::logger::Logger;
+use lightning::util::ser::Readable;
use secp256k1::key::PublicKey;
-use secp256k1::Secp256k1;
+
+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[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]) {
reset_rng_state();
- let mut read_pos = 0;
+ let input = Arc::new(InputData {
+ data: data.to_vec(),
+ read_pos: AtomicUsize::new(0),
+ });
macro_rules! get_slice_nonadvancing {
($len: expr) => {
- {
- if data.len() < read_pos + $len as usize {
- return;
- }
- &data[read_pos..read_pos + $len as usize]
+ match input.get_slice_nonadvancing($len as usize) {
+ Some(slice) => slice,
+ None => return,
}
}
}
macro_rules! get_slice {
($len: expr) => {
- {
- let res = get_slice_nonadvancing!($len);
- read_pos += $len;
- res
+ match input.get_slice($len as usize) {
+ Some(slice) => slice,
+ None => return,
}
}
}
macro_rules! decode_msg {
- ($MsgType: path, $len: expr) => {
- match <($MsgType)>::decode(get_slice!($len)) {
+ ($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::UnknownRealmByte => return,
- msgs::DecodeError::BadPublicKey => return,
- msgs::DecodeError::BadSignature => return,
- msgs::DecodeError::BadText => return,
+ 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 {
}
}
- 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 logger: Arc<Logger> = Arc::new(test_logger::TestLogger{});
+ let chain_monitor = Arc::new(DummyChainWatcher {
+ input: Arc::clone(&input),
+ });
+
let our_pubkey = get_pubkey!();
- let router = Router::new(our_pubkey.clone());
+ let router = Router::new(our_pubkey.clone(), chain_monitor, Arc::clone(&logger));
loop {
match get_slice!(1)[0] {
},
1 => {
let short_channel_id = slice_to_be64(get_slice!(8));
- router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed {short_channel_id});
+ router.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed {short_channel_id, is_permanent: false});
},
_ => return,
}
last_hops_vec.push(RouteHint {
src_node_id: get_pubkey!(),
short_channel_id: slice_to_be64(get_slice!(8)),
- fee_base_msat: 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)),
}
#[cfg(feature = "afl")]
-extern crate afl;
+#[macro_use] extern crate afl;
#[cfg(feature = "afl")]
fn main() {
- afl::read_stdio_bytes(|data| {
- do_test(&data);
+ fuzz!(|data| {
+ do_test(data);
});
}
}
}
+extern crate hex;
#[cfg(test)]
mod tests {
- fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
- let mut b = 0;
- for (idx, c) in hex.as_bytes().iter().enumerate() {
- b <<= 4;
- match *c {
- b'A'...b'F' => b |= c - b'A' + 10,
- b'a'...b'f' => b |= c - b'a' + 10,
- b'0'...b'9' => b |= c - b'0',
- _ => panic!("Bad hex"),
- }
- if (idx & 1) == 1 {
- out.push(b);
- b = 0;
- }
- }
- }
#[test]
fn duplicate_crash() {
- let mut a = Vec::new();
- extend_vec_from_hex("00", &mut a);
- super::do_test(&a);
+ super::do_test(&::hex::decode("00").unwrap());
}
}
projects / rust-lightning / blobdiff