Move fuzz to top level.
[rust-lightning] / lightning / fuzz / fuzz_targets / router_target.rs
diff --git a/lightning/fuzz/fuzz_targets/router_target.rs b/lightning/fuzz/fuzz_targets/router_target.rs
deleted file mode 100644 (file)
index d9a8f78..0000000
+++ /dev/null
@@ -1,269 +0,0 @@
-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 bitcoin::blockdata::block::Block;
-use bitcoin::blockdata::transaction::Transaction;
-
-use lightning::chain::chaininterface::{ChainError,ChainWatchInterface};
-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::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 filter_block<'a>(&self, _block: &'a Block) -> (Vec<&'a Transaction>, Vec<u32>) {
-               (Vec::new(), Vec::new())
-       }
-       fn reentered(&self) -> usize { 0 }
-
-       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());
-       }
-}