mirror of
https://github.com/lightningdevkit/rust-lightning.git
synced 2025-02-25 15:20:24 +01:00
bf7eeb1ec7
This removes the last calls to rand outside of test and moves the dep to a dev-dependency, dropping our fuzz rng wrapper in the process.
109 lines
2.3 KiB
Rust
109 lines
2.3 KiB
Rust
extern crate lightning;
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extern crate secp256k1;
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use lightning::ln::peer_channel_encryptor::PeerChannelEncryptor;
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use secp256k1::key::{PublicKey,SecretKey};
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#[inline]
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fn slice_to_be16(v: &[u8]) -> u16 {
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((v[0] as u16) << 8*1) |
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((v[1] as u16) << 8*0)
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}
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#[inline]
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pub fn do_test(data: &[u8]) {
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let mut read_pos = 0;
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macro_rules! get_slice {
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($len: expr) => {
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{
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let slice_len = $len as usize;
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if data.len() < read_pos + slice_len {
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return;
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}
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read_pos += slice_len;
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&data[read_pos - slice_len..read_pos]
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}
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}
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}
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let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
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Ok(key) => key,
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Err(_) => return,
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};
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let ephemeral_key = match SecretKey::from_slice(get_slice!(32)) {
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Ok(key) => key,
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Err(_) => return,
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};
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let mut crypter = if get_slice!(1)[0] != 0 {
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let their_pubkey = match PublicKey::from_slice(get_slice!(33)) {
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Ok(key) => key,
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Err(_) => return,
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};
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let mut crypter = PeerChannelEncryptor::new_outbound(their_pubkey, ephemeral_key);
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crypter.get_act_one();
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match crypter.process_act_two(get_slice!(50), &our_network_key) {
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Ok(_) => {},
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Err(_) => return,
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}
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assert!(crypter.is_ready_for_encryption());
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crypter
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} else {
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let mut crypter = PeerChannelEncryptor::new_inbound(&our_network_key);
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match crypter.process_act_one_with_keys(get_slice!(50), &our_network_key, ephemeral_key) {
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Ok(_) => {},
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Err(_) => return,
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}
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match crypter.process_act_three(get_slice!(66)) {
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Ok(_) => {},
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Err(_) => return,
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}
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assert!(crypter.is_ready_for_encryption());
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crypter
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};
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loop {
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if get_slice!(1)[0] == 0 {
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crypter.encrypt_message(get_slice!(slice_to_be16(get_slice!(2))));
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} else {
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let len = match crypter.decrypt_length_header(get_slice!(16+2)) {
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Ok(len) => len,
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Err(_) => return,
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};
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match crypter.decrypt_message(get_slice!(len as usize + 16)) {
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Ok(_) => {},
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Err(_) => return,
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}
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}
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}
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}
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#[cfg(feature = "afl")]
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#[macro_use] extern crate afl;
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#[cfg(feature = "afl")]
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fn main() {
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fuzz!(|data| {
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do_test(data);
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});
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}
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#[cfg(feature = "honggfuzz")]
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#[macro_use] extern crate honggfuzz;
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#[cfg(feature = "honggfuzz")]
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fn main() {
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loop {
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fuzz!(|data| {
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do_test(data);
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});
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}
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}
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extern crate hex;
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#[cfg(test)]
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mod tests {
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#[test]
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fn duplicate_crash() {
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super::do_test(&::hex::decode("01").unwrap());
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}
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}
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