+++ /dev/null
-extern crate bitcoin;
-extern crate lightning;
-extern crate secp256k1;
-
-use bitcoin::blockdata::block::BlockHeader;
-use bitcoin::blockdata::transaction::{Transaction, TxOut};
-use bitcoin::util::hash::Sha256dHash;
-use bitcoin::network::serialize::{serialize, BitcoinHash};
-
-use lightning::ln::channel::{Channel, ChannelKeys};
-use lightning::ln::channelmanager::{HTLCFailReason, HTLCSource, PendingHTLCStatus};
-use lightning::ln::msgs;
-use lightning::ln::msgs::{ErrorAction};
-use lightning::chain::chaininterface::{FeeEstimator, ConfirmationTarget};
-use lightning::chain::transaction::OutPoint;
-use lightning::util::reset_rng_state;
-use lightning::util::logger::Logger;
-use lightning::util::ser::Readable;
-
-mod utils;
-
-use utils::test_logger;
-
-use secp256k1::key::{PublicKey, SecretKey};
-use secp256k1::Secp256k1;
-
-use std::sync::atomic::{AtomicUsize,Ordering};
-use std::sync::Arc;
-
-#[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)
-}
-
-#[inline]
-fn slice_to_be24(v: &[u8]) -> u64 {
- //TODO: We should probably be returning a Result for channel creation, not panic!()ing on
- //>2**24 values...
- ((v[0] as u64) << 8*2) |
- ((v[1] as u64) << 8*1) |
- ((v[2] as u64) << 8*0)
-}
-
-struct InputData<'a> {
- data: &'a [u8],
- read_pos: AtomicUsize,
-}
-impl<'a> InputData<'a> {
- fn get_slice(&self, len: usize) -> Option<&'a [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<&'a [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 FuzzEstimator<'a> {
- input: &'a InputData<'a>,
-}
-impl<'a> FeeEstimator for FuzzEstimator<'a> {
- fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u64 {
- //TODO: We should actually be testing at least much more than 64k...
- match self.input.get_slice(2) {
- Some(slice) => slice_to_be16(slice) as u64 * 250,
- None => 0
- }
- }
-}
-
-#[inline]
-pub fn do_test(data: &[u8]) {
- reset_rng_state();
-
- let input = InputData {
- data,
- read_pos: AtomicUsize::new(0),
- };
- let fee_est = FuzzEstimator {
- input: &input,
- };
-
- let logger: Arc<Logger> = Arc::new(test_logger::TestLogger{});
-
- 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 <($MsgType)>::read(&mut reader) {
- Ok(msg) => msg,
- Err(e) => match e {
- msgs::DecodeError::UnknownRealmByte => return,
- msgs::DecodeError::UnknownRequiredFeature => return,
- msgs::DecodeError::BadPublicKey => return,
- msgs::DecodeError::BadSignature => return,
- msgs::DecodeError::BadText => return,
- msgs::DecodeError::ExtraAddressesPerType => return,
- msgs::DecodeError::BadLengthDescriptor => return,
- msgs::DecodeError::ShortRead => panic!("We picked the length..."),
- msgs::DecodeError::InvalidValue => panic!("Should not happen with p2p message decoding"),
- msgs::DecodeError::Io(e) => panic!(format!("{}", e)),
- }
- }
- }}
- }
-
- macro_rules! decode_msg_with_len16 {
- ($MsgType: path, $begin_len: expr, $factor: expr) => {
- {
- let extra_len = slice_to_be16(&match input.get_slice_nonadvancing($begin_len as usize + 2) {
- Some(slice) => slice,
- None => return,
- }[$begin_len..$begin_len + 2]);
- decode_msg!($MsgType, $begin_len as usize + 2 + (extra_len as usize)*$factor)
- }
- }
- }
-
- let secp_ctx = Secp256k1::new();
- macro_rules! get_pubkey {
- () => {
- match PublicKey::from_slice(&secp_ctx, get_slice!(33)) {
- Ok(key) => key,
- Err(_) => return,
- }
- }
- }
-
- macro_rules! return_err {
- ($expr: expr) => {
- match $expr {
- Ok(r) => r,
- Err(_) => return,
- }
- }
- }
-
- macro_rules! chan_keys {
- () => {
- 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(),
- 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],
- }
- }
- }
-
- let their_pubkey = get_pubkey!();
-
- let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: Vec::new() };
-
- let mut channel = if get_slice!(1)[0] != 0 {
- let chan_value = slice_to_be24(get_slice!(3));
-
- let mut chan = match Channel::new_outbound(&fee_est, chan_keys!(), their_pubkey, chan_value, slice_to_be24(get_slice!(3)), get_slice!(1)[0] == 0, slice_to_be64(get_slice!(8)), Arc::clone(&logger)) {
- Ok(chan) => chan,
- Err(_) => return,
- };
- chan.get_open_channel(Sha256dHash::from(get_slice!(32)), &fee_est);
- let accept_chan = if get_slice!(1)[0] == 0 {
- decode_msg_with_len16!(msgs::AcceptChannel, 270, 1)
- } else {
- decode_msg!(msgs::AcceptChannel, 270)
- };
- return_err!(chan.accept_channel(&accept_chan));
-
- tx.output.push(TxOut{ value: chan_value, script_pubkey: chan.get_funding_redeemscript().to_v0_p2wsh() });
- let funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
-
- chan.get_outbound_funding_created(funding_output).unwrap();
- let funding_signed = decode_msg!(msgs::FundingSigned, 32+64);
- return_err!(chan.funding_signed(&funding_signed));
- chan
- } else {
- let open_chan = if get_slice!(1)[0] == 0 {
- decode_msg_with_len16!(msgs::OpenChannel, 2*32+6*8+4+2*2+6*33+1, 1)
- } else {
- decode_msg!(msgs::OpenChannel, 2*32+6*8+4+2*2+6*33+1)
- };
- let mut chan = match Channel::new_from_req(&fee_est, chan_keys!(), their_pubkey, &open_chan, slice_to_be64(get_slice!(8)), false, get_slice!(1)[0] == 0, Arc::clone(&logger)) {
- Ok(chan) => chan,
- Err(_) => return,
- };
- chan.get_accept_channel();
-
- tx.output.push(TxOut{ value: open_chan.funding_satoshis, script_pubkey: chan.get_funding_redeemscript().to_v0_p2wsh() });
- let funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
-
- let mut funding_created = decode_msg!(msgs::FundingCreated, 32+32+2+64);
- funding_created.funding_txid = funding_output.txid.clone();
- funding_created.funding_output_index = funding_output.index;
- return_err!(chan.funding_created(&funding_created));
- chan
- };
-
- let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- channel.block_connected(&header, 1, &[&tx; 1], &[42; 1]);
- for i in 2..100 {
- header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- channel.block_connected(&header, i, &[&tx; 0], &[0; 0]);
- }
-
- let funding_locked = decode_msg!(msgs::FundingLocked, 32+33);
- return_err!(channel.funding_locked(&funding_locked));
-
- macro_rules! test_err {
- ($expr: expr) => {
- match $expr {
- Ok(r) => Some(r),
- Err(e) => match e.action {
- None => return,
- Some(ErrorAction::DisconnectPeer {..}) => return,
- Some(ErrorAction::IgnoreError) => None,
- Some(ErrorAction::SendErrorMessage {..}) => None,
- },
- }
- }
- }
-
- loop {
- match get_slice!(1)[0] {
- 0 => {
- test_err!(channel.send_htlc(slice_to_be64(get_slice!(8)), [42; 32], slice_to_be32(get_slice!(4)), HTLCSource::dummy(), msgs::OnionPacket {
- version: get_slice!(1)[0],
- public_key: PublicKey::from_slice(&secp_ctx, get_slice!(33)),
- hop_data: [0; 20*65],
- hmac: [0; 32],
- }));
- },
- 1 => {
- test_err!(channel.send_commitment());
- },
- 2 => {
- let update_add_htlc = decode_msg!(msgs::UpdateAddHTLC, 32+8+8+32+4+4+33+20*65+32);
- test_err!(channel.update_add_htlc(&update_add_htlc, PendingHTLCStatus::dummy()));
- },
- 3 => {
- let update_fulfill_htlc = decode_msg!(msgs::UpdateFulfillHTLC, 32 + 8 + 32);
- test_err!(channel.update_fulfill_htlc(&update_fulfill_htlc));
- },
- 4 => {
- let update_fail_htlc = decode_msg_with_len16!(msgs::UpdateFailHTLC, 32 + 8, 1);
- test_err!(channel.update_fail_htlc(&update_fail_htlc, HTLCFailReason::dummy()));
- },
- 5 => {
- let update_fail_malformed_htlc = decode_msg!(msgs::UpdateFailMalformedHTLC, 32+8+32+2);
- test_err!(channel.update_fail_malformed_htlc(&update_fail_malformed_htlc, HTLCFailReason::dummy()));
- },
- 6 => {
- let commitment_signed = decode_msg_with_len16!(msgs::CommitmentSigned, 32+64, 64);
- test_err!(channel.commitment_signed(&commitment_signed));
- },
- 7 => {
- let revoke_and_ack = decode_msg!(msgs::RevokeAndACK, 32+32+33);
- test_err!(channel.revoke_and_ack(&revoke_and_ack));
- },
- 8 => {
- let update_fee = decode_msg!(msgs::UpdateFee, 32+4);
- test_err!(channel.update_fee(&fee_est, &update_fee));
- },
- 9 => {
- let shutdown = decode_msg_with_len16!(msgs::Shutdown, 32, 1);
- test_err!(channel.shutdown(&fee_est, &shutdown));
- if channel.is_shutdown() { return; }
- },
- 10 => {
- let closing_signed = decode_msg!(msgs::ClosingSigned, 32+8+64);
- let sign_res = test_err!(channel.closing_signed(&fee_est, &closing_signed));
- if sign_res.is_some() && sign_res.unwrap().1.is_some() {
- assert!(channel.is_shutdown());
- return;
- }
- },
- _ => 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());
- }
-}