522 lines
21 KiB
Rust
522 lines
21 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use rand::random;
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use mio::tcp::*;
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use util::hash::*;
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use util::sha3::Hashable;
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use util::bytes::Bytes;
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use rlp::*;
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use connection::{Connection};
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use host::{HostInfo};
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use node_table::NodeId;
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use error::*;
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use stats::NetworkStats;
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use io::{IoContext, StreamToken};
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use ethkey::{KeyPair, Public, Secret, recover, sign, Generator, Random};
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use crypto::{ecdh, ecies};
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#[derive(PartialEq, Eq, Debug)]
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enum HandshakeState {
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/// Just created
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New,
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/// Waiting for auth packet
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ReadingAuth,
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/// Waiting for extended auth packet
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ReadingAuthEip8,
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/// Waiting for ack packet
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ReadingAck,
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/// Waiting for extended ack packet
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ReadingAckEip8,
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/// Ready to start a session
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StartSession,
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}
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/// `RLPx` protocol handhake. See https://github.com/ethereum/devp2p/blob/master/rlpx.md#encrypted-handshake
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pub struct Handshake {
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/// Remote node public key
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pub id: NodeId,
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/// Underlying connection
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pub connection: Connection,
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/// Handshake state
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state: HandshakeState,
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/// Outgoing or incoming connection
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pub originated: bool,
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/// ECDH ephemeral
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pub ecdhe: KeyPair,
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/// Connection nonce
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pub nonce: H256,
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/// Handshake public key
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pub remote_ephemeral: Public,
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/// Remote connection nonce.
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pub remote_nonce: H256,
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/// Remote `RLPx` protocol version.
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pub remote_version: u64,
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/// A copy of received encryped auth packet
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pub auth_cipher: Bytes,
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/// A copy of received encryped ack packet
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pub ack_cipher: Bytes,
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/// This Handshake is marked for deleteion flag
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pub expired: bool,
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}
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const V4_AUTH_PACKET_SIZE: usize = 307;
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const V4_ACK_PACKET_SIZE: usize = 210;
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const HANDSHAKE_TIMEOUT: u64 = 5000;
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const PROTOCOL_VERSION: u64 = 4;
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// Amount of bytes added when encrypting with encryptECIES.
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const ECIES_OVERHEAD: usize = 113;
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impl Handshake {
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/// Create a new handshake object
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pub fn new(token: StreamToken, id: Option<&NodeId>, socket: TcpStream, nonce: &H256, stats: Arc<NetworkStats>) -> Result<Handshake, NetworkError> {
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Ok(Handshake {
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id: if let Some(id) = id { id.clone()} else { NodeId::new() },
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connection: Connection::new(token, socket, stats),
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originated: false,
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state: HandshakeState::New,
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ecdhe: Random.generate()?,
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nonce: nonce.clone(),
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remote_ephemeral: Public::new(),
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remote_nonce: H256::new(),
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remote_version: PROTOCOL_VERSION,
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auth_cipher: Bytes::new(),
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ack_cipher: Bytes::new(),
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expired: false,
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})
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}
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/// Check if this handshake is expired.
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pub fn expired(&self) -> bool {
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self.expired
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}
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/// Start a handhsake
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pub fn start<Message>(&mut self, io: &IoContext<Message>, host: &HostInfo, originated: bool) -> Result<(), NetworkError> where Message: Send + Clone+ Sync + 'static {
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self.originated = originated;
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io.register_timer(self.connection.token, HANDSHAKE_TIMEOUT).ok();
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if originated {
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self.write_auth(io, host.secret(), host.id())?;
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}
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else {
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self.state = HandshakeState::ReadingAuth;
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self.connection.expect(V4_AUTH_PACKET_SIZE);
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};
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Ok(())
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}
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/// Check if handshake is complete
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pub fn done(&self) -> bool {
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self.state == HandshakeState::StartSession
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}
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/// Readable IO handler. Drives the state change.
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pub fn readable<Message>(&mut self, io: &IoContext<Message>, host: &HostInfo) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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if !self.expired() {
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while let Some(data) = self.connection.readable()? {
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match self.state {
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HandshakeState::New => {},
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HandshakeState::StartSession => {},
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HandshakeState::ReadingAuth => {
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self.read_auth(io, host.secret(), &data)?;
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},
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HandshakeState::ReadingAuthEip8 => {
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self.read_auth_eip8(io, host.secret(), &data)?;
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},
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HandshakeState::ReadingAck => {
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self.read_ack(host.secret(), &data)?;
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},
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HandshakeState::ReadingAckEip8 => {
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self.read_ack_eip8(host.secret(), &data)?;
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},
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}
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if self.state == HandshakeState::StartSession {
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io.clear_timer(self.connection.token).ok();
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break;
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}
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}
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}
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Ok(())
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}
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/// Writabe IO handler.
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pub fn writable<Message>(&mut self, io: &IoContext<Message>) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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if !self.expired() {
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self.connection.writable(io)?;
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}
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Ok(())
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}
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fn set_auth(&mut self, host_secret: &Secret, sig: &[u8], remote_public: &[u8], remote_nonce: &[u8], remote_version: u64) -> Result<(), NetworkError> {
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self.id.clone_from_slice(remote_public);
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self.remote_nonce.clone_from_slice(remote_nonce);
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self.remote_version = remote_version;
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let shared = *ecdh::agree(host_secret, &self.id)?;
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let signature = H520::from_slice(sig);
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self.remote_ephemeral = recover(&signature.into(), &(&shared ^ &self.remote_nonce))?;
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Ok(())
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}
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/// Parse, validate and confirm auth message
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fn read_auth<Message>(&mut self, io: &IoContext<Message>, secret: &Secret, data: &[u8]) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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trace!(target: "network", "Received handshake auth from {:?}", self.connection.remote_addr_str());
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if data.len() != V4_AUTH_PACKET_SIZE {
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debug!(target: "network", "Wrong auth packet size");
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return Err(From::from(NetworkError::BadProtocol));
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}
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self.auth_cipher = data.to_vec();
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match ecies::decrypt(secret, &[], data) {
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Ok(auth) => {
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let (sig, rest) = auth.split_at(65);
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let (_, rest) = rest.split_at(32);
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let (pubk, rest) = rest.split_at(64);
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let (nonce, _) = rest.split_at(32);
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self.set_auth(secret, sig, pubk, nonce, PROTOCOL_VERSION)?;
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self.write_ack(io)?;
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}
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Err(_) => {
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// Try to interpret as EIP-8 packet
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let total = (((data[0] as u16) << 8 | (data[1] as u16)) as usize) + 2;
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if total < V4_AUTH_PACKET_SIZE {
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debug!(target: "network", "Wrong EIP8 auth packet size");
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return Err(From::from(NetworkError::BadProtocol));
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}
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let rest = total - data.len();
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self.state = HandshakeState::ReadingAuthEip8;
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self.connection.expect(rest);
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}
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}
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Ok(())
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}
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fn read_auth_eip8<Message>(&mut self, io: &IoContext<Message>, secret: &Secret, data: &[u8]) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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trace!(target: "network", "Received EIP8 handshake auth from {:?}", self.connection.remote_addr_str());
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self.auth_cipher.extend_from_slice(data);
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let auth = ecies::decrypt(secret, &self.auth_cipher[0..2], &self.auth_cipher[2..])?;
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let rlp = UntrustedRlp::new(&auth);
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let signature: H520 = rlp.val_at(0)?;
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let remote_public: Public = rlp.val_at(1)?;
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let remote_nonce: H256 = rlp.val_at(2)?;
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let remote_version: u64 = rlp.val_at(3)?;
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self.set_auth(secret, &signature, &remote_public, &remote_nonce, remote_version)?;
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self.write_ack_eip8(io)?;
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Ok(())
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}
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/// Parse and validate ack message
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fn read_ack(&mut self, secret: &Secret, data: &[u8]) -> Result<(), NetworkError> {
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trace!(target: "network", "Received handshake ack from {:?}", self.connection.remote_addr_str());
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if data.len() != V4_ACK_PACKET_SIZE {
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debug!(target: "network", "Wrong ack packet size");
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return Err(From::from(NetworkError::BadProtocol));
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}
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self.ack_cipher = data.to_vec();
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match ecies::decrypt(secret, &[], data) {
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Ok(ack) => {
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self.remote_ephemeral.clone_from_slice(&ack[0..64]);
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self.remote_nonce.clone_from_slice(&ack[64..(64+32)]);
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self.state = HandshakeState::StartSession;
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}
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Err(_) => {
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// Try to interpret as EIP-8 packet
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let total = (((data[0] as u16) << 8 | (data[1] as u16)) as usize) + 2;
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if total < V4_ACK_PACKET_SIZE {
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debug!(target: "network", "Wrong EIP8 ack packet size");
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return Err(From::from(NetworkError::BadProtocol));
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}
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let rest = total - data.len();
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self.state = HandshakeState::ReadingAckEip8;
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self.connection.expect(rest);
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}
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}
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Ok(())
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}
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fn read_ack_eip8(&mut self, secret: &Secret, data: &[u8]) -> Result<(), NetworkError> {
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trace!(target: "network", "Received EIP8 handshake auth from {:?}", self.connection.remote_addr_str());
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self.ack_cipher.extend_from_slice(data);
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let ack = ecies::decrypt(secret, &self.ack_cipher[0..2], &self.ack_cipher[2..])?;
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let rlp = UntrustedRlp::new(&ack);
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self.remote_ephemeral = rlp.val_at(0)?;
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self.remote_nonce = rlp.val_at(1)?;
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self.remote_version = rlp.val_at(2)?;
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self.state = HandshakeState::StartSession;
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Ok(())
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}
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/// Sends auth message
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fn write_auth<Message>(&mut self, io: &IoContext<Message>, secret: &Secret, public: &Public) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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trace!(target: "network", "Sending handshake auth to {:?}", self.connection.remote_addr_str());
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let mut data = [0u8; /*Signature::SIZE*/ 65 + /*H256::SIZE*/ 32 + /*Public::SIZE*/ 64 + /*H256::SIZE*/ 32 + 1]; //TODO: use associated constants
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let len = data.len();
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{
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data[len - 1] = 0x0;
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let (sig, rest) = data.split_at_mut(65);
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let (hepubk, rest) = rest.split_at_mut(32);
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let (pubk, rest) = rest.split_at_mut(64);
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let (nonce, _) = rest.split_at_mut(32);
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// E(remote-pubk, S(ecdhe-random, ecdh-shared-secret^nonce) || H(ecdhe-random-pubk) || pubk || nonce || 0x0)
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let shared = *ecdh::agree(secret, &self.id)?;
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sig.copy_from_slice(&*sign(self.ecdhe.secret(), &(&shared ^ &self.nonce))?);
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self.ecdhe.public().sha3_into(hepubk);
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pubk.copy_from_slice(public);
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nonce.copy_from_slice(&self.nonce);
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}
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let message = ecies::encrypt(&self.id, &[], &data)?;
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self.auth_cipher = message.clone();
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self.connection.send(io, message);
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self.connection.expect(V4_ACK_PACKET_SIZE);
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self.state = HandshakeState::ReadingAck;
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Ok(())
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}
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/// Sends ack message
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fn write_ack<Message>(&mut self, io: &IoContext<Message>) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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trace!(target: "network", "Sending handshake ack to {:?}", self.connection.remote_addr_str());
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let mut data = [0u8; 1 + /*Public::SIZE*/ 64 + /*H256::SIZE*/ 32]; //TODO: use associated constants
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let len = data.len();
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{
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data[len - 1] = 0x0;
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let (epubk, rest) = data.split_at_mut(64);
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let (nonce, _) = rest.split_at_mut(32);
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self.ecdhe.public().copy_to(epubk);
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self.nonce.copy_to(nonce);
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}
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let message = ecies::encrypt(&self.id, &[], &data)?;
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self.ack_cipher = message.clone();
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self.connection.send(io, message);
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self.state = HandshakeState::StartSession;
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Ok(())
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}
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/// Sends EIP8 ack message
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fn write_ack_eip8<Message>(&mut self, io: &IoContext<Message>) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
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trace!(target: "network", "Sending EIP8 handshake ack to {:?}", self.connection.remote_addr_str());
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let mut rlp = RlpStream::new_list(3);
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rlp.append(self.ecdhe.public());
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rlp.append(&self.nonce);
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rlp.append(&PROTOCOL_VERSION);
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let pad_array = [0u8; 200];
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let pad = &pad_array[0 .. 100 + random::<usize>() % 100];
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rlp.append_raw(pad, 0);
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let encoded = rlp.drain();
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let len = (encoded.len() + ECIES_OVERHEAD) as u16;
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let prefix = [ (len >> 8) as u8, (len & 0xff) as u8 ];
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let message = ecies::encrypt(&self.id, &prefix, &encoded)?;
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self.ack_cipher.extend_from_slice(&prefix);
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self.ack_cipher.extend_from_slice(&message);
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self.connection.send(io, self.ack_cipher.clone());
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self.state = HandshakeState::StartSession;
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Ok(())
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}
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}
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#[cfg(test)]
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mod test {
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use std::sync::Arc;
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use rustc_hex::FromHex;
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use super::*;
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use util::hash::H256;
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use io::*;
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use mio::tcp::TcpStream;
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use stats::NetworkStats;
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use ethkey::Public;
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fn check_auth(h: &Handshake, version: u64) {
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assert_eq!(h.id, "fda1cff674c90c9a197539fe3dfb53086ace64f83ed7c6eabec741f7f381cc803e52ab2cd55d5569bce4347107a310dfd5f88a010cd2ffd1005ca406f1842877".into());
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assert_eq!(h.remote_nonce, "7e968bba13b6c50e2c4cd7f241cc0d64d1ac25c7f5952df231ac6a2bda8ee5d6".into());
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assert_eq!(h.remote_ephemeral, "654d1044b69c577a44e5f01a1209523adb4026e70c62d1c13a067acabc09d2667a49821a0ad4b634554d330a15a58fe61f8a8e0544b310c6de7b0c8da7528a8d".into());
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assert_eq!(h.remote_version, version);
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}
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fn check_ack(h: &Handshake, version: u64) {
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assert_eq!(h.remote_nonce, "559aead08264d5795d3909718cdd05abd49572e84fe55590eef31a88a08fdffd".into());
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assert_eq!(h.remote_ephemeral, "b6d82fa3409da933dbf9cb0140c5dde89f4e64aec88d476af648880f4a10e1e49fe35ef3e69e93dd300b4797765a747c6384a6ecf5db9c2690398607a86181e4".into());
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assert_eq!(h.remote_version, version);
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}
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fn create_handshake(to: Option<&Public>) -> Handshake {
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let addr = "127.0.0.1:50556".parse().unwrap();
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let socket = TcpStream::connect(&addr).unwrap();
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let nonce = H256::new();
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Handshake::new(0, to, socket, &nonce, Arc::new(NetworkStats::new())).unwrap()
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}
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fn test_io() -> IoContext<i32> {
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IoContext::new(IoChannel::disconnected(), 0)
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}
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#[test]
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fn test_handshake_auth_plain() {
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let mut h = create_handshake(None);
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let secret = "b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291".parse().unwrap();
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let auth =
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"\
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048ca79ad18e4b0659fab4853fe5bc58eb83992980f4c9cc147d2aa31532efd29a3d3dc6a3d89eaf\
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913150cfc777ce0ce4af2758bf4810235f6e6ceccfee1acc6b22c005e9e3a49d6448610a58e98744\
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ba3ac0399e82692d67c1f58849050b3024e21a52c9d3b01d871ff5f210817912773e610443a9ef14\
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2e91cdba0bd77b5fdf0769b05671fc35f83d83e4d3b0b000c6b2a1b1bba89e0fc51bf4e460df3105\
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c444f14be226458940d6061c296350937ffd5e3acaceeaaefd3c6f74be8e23e0f45163cc7ebd7622\
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0f0128410fd05250273156d548a414444ae2f7dea4dfca2d43c057adb701a715bf59f6fb66b2d1d2\
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0f2c703f851cbf5ac47396d9ca65b6260bd141ac4d53e2de585a73d1750780db4c9ee4cd4d225173\
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a4592ee77e2bd94d0be3691f3b406f9bba9b591fc63facc016bfa8\
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".from_hex().unwrap();
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h.read_auth(&test_io(), &secret, &auth).unwrap();
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assert_eq!(h.state, super::HandshakeState::StartSession);
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check_auth(&h, 4);
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}
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#[test]
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fn test_handshake_auth_eip8() {
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let mut h = create_handshake(None);
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let secret = "b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291".parse().unwrap();
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let auth =
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"\
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01b304ab7578555167be8154d5cc456f567d5ba302662433674222360f08d5f1534499d3678b513b\
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0fca474f3a514b18e75683032eb63fccb16c156dc6eb2c0b1593f0d84ac74f6e475f1b8d56116b84\
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9634a8c458705bf83a626ea0384d4d7341aae591fae42ce6bd5c850bfe0b999a694a49bbbaf3ef6c\
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da61110601d3b4c02ab6c30437257a6e0117792631a4b47c1d52fc0f8f89caadeb7d02770bf999cc\
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147d2df3b62e1ffb2c9d8c125a3984865356266bca11ce7d3a688663a51d82defaa8aad69da39ab6\
|
|
d5470e81ec5f2a7a47fb865ff7cca21516f9299a07b1bc63ba56c7a1a892112841ca44b6e0034dee\
|
|
70c9adabc15d76a54f443593fafdc3b27af8059703f88928e199cb122362a4b35f62386da7caad09\
|
|
c001edaeb5f8a06d2b26fb6cb93c52a9fca51853b68193916982358fe1e5369e249875bb8d0d0ec3\
|
|
6f917bc5e1eafd5896d46bd61ff23f1a863a8a8dcd54c7b109b771c8e61ec9c8908c733c0263440e\
|
|
2aa067241aaa433f0bb053c7b31a838504b148f570c0ad62837129e547678c5190341e4f1693956c\
|
|
3bf7678318e2d5b5340c9e488eefea198576344afbdf66db5f51204a6961a63ce072c8926c\
|
|
".from_hex().unwrap();
|
|
|
|
h.read_auth(&test_io(), &secret, &auth[0..super::V4_AUTH_PACKET_SIZE]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::ReadingAuthEip8);
|
|
h.read_auth_eip8(&test_io(), &secret, &auth[super::V4_AUTH_PACKET_SIZE..]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::StartSession);
|
|
check_auth(&h, 4);
|
|
}
|
|
|
|
#[test]
|
|
fn test_handshake_auth_eip8_2() {
|
|
let mut h = create_handshake(None);
|
|
let secret = "b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291".parse().unwrap();
|
|
let auth =
|
|
"\
|
|
01b8044c6c312173685d1edd268aa95e1d495474c6959bcdd10067ba4c9013df9e40ff45f5bfd6f7\
|
|
2471f93a91b493f8e00abc4b80f682973de715d77ba3a005a242eb859f9a211d93a347fa64b597bf\
|
|
280a6b88e26299cf263b01b8dfdb712278464fd1c25840b995e84d367d743f66c0e54a586725b7bb\
|
|
f12acca27170ae3283c1073adda4b6d79f27656993aefccf16e0d0409fe07db2dc398a1b7e8ee93b\
|
|
cd181485fd332f381d6a050fba4c7641a5112ac1b0b61168d20f01b479e19adf7fdbfa0905f63352\
|
|
bfc7e23cf3357657455119d879c78d3cf8c8c06375f3f7d4861aa02a122467e069acaf513025ff19\
|
|
6641f6d2810ce493f51bee9c966b15c5043505350392b57645385a18c78f14669cc4d960446c1757\
|
|
1b7c5d725021babbcd786957f3d17089c084907bda22c2b2675b4378b114c601d858802a55345a15\
|
|
116bc61da4193996187ed70d16730e9ae6b3bb8787ebcaea1871d850997ddc08b4f4ea668fbf3740\
|
|
7ac044b55be0908ecb94d4ed172ece66fd31bfdadf2b97a8bc690163ee11f5b575a4b44e36e2bfb2\
|
|
f0fce91676fd64c7773bac6a003f481fddd0bae0a1f31aa27504e2a533af4cef3b623f4791b2cca6\
|
|
d490\
|
|
".from_hex().unwrap();
|
|
|
|
h.read_auth(&test_io(), &secret, &auth[0..super::V4_AUTH_PACKET_SIZE]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::ReadingAuthEip8);
|
|
h.read_auth_eip8(&test_io(), &secret, &auth[super::V4_AUTH_PACKET_SIZE..]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::StartSession);
|
|
check_auth(&h, 56);
|
|
let ack = h.ack_cipher.clone();
|
|
let total = (((ack[0] as u16) << 8 | (ack[1] as u16)) as usize) + 2;
|
|
assert_eq!(ack.len(), total);
|
|
}
|
|
|
|
#[test]
|
|
fn test_handshake_ack_plain() {
|
|
let remote = "fda1cff674c90c9a197539fe3dfb53086ace64f83ed7c6eabec741f7f381cc803e52ab2cd55d5569bce4347107a310dfd5f88a010cd2ffd1005ca406f1842877".into();
|
|
let mut h = create_handshake(Some(&remote));
|
|
let secret = "49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee".parse().unwrap();
|
|
let ack =
|
|
"\
|
|
049f8abcfa9c0dc65b982e98af921bc0ba6e4243169348a236abe9df5f93aa69d99cadddaa387662\
|
|
b0ff2c08e9006d5a11a278b1b3331e5aaabf0a32f01281b6f4ede0e09a2d5f585b26513cb794d963\
|
|
5a57563921c04a9090b4f14ee42be1a5461049af4ea7a7f49bf4c97a352d39c8d02ee4acc416388c\
|
|
1c66cec761d2bc1c72da6ba143477f049c9d2dde846c252c111b904f630ac98e51609b3b1f58168d\
|
|
dca6505b7196532e5f85b259a20c45e1979491683fee108e9660edbf38f3add489ae73e3dda2c71b\
|
|
d1497113d5c755e942d1\
|
|
".from_hex().unwrap();
|
|
|
|
h.read_ack(&secret, &ack).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::StartSession);
|
|
check_ack(&h, 4);
|
|
}
|
|
|
|
#[test]
|
|
fn test_handshake_ack_eip8() {
|
|
let remote = "fda1cff674c90c9a197539fe3dfb53086ace64f83ed7c6eabec741f7f381cc803e52ab2cd55d5569bce4347107a310dfd5f88a010cd2ffd1005ca406f1842877".into();
|
|
let mut h = create_handshake(Some(&remote));
|
|
let secret = "49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee".parse().unwrap();
|
|
let ack =
|
|
"\
|
|
01ea0451958701280a56482929d3b0757da8f7fbe5286784beead59d95089c217c9b917788989470\
|
|
b0e330cc6e4fb383c0340ed85fab836ec9fb8a49672712aeabbdfd1e837c1ff4cace34311cd7f4de\
|
|
05d59279e3524ab26ef753a0095637ac88f2b499b9914b5f64e143eae548a1066e14cd2f4bd7f814\
|
|
c4652f11b254f8a2d0191e2f5546fae6055694aed14d906df79ad3b407d94692694e259191cde171\
|
|
ad542fc588fa2b7333313d82a9f887332f1dfc36cea03f831cb9a23fea05b33deb999e85489e645f\
|
|
6aab1872475d488d7bd6c7c120caf28dbfc5d6833888155ed69d34dbdc39c1f299be1057810f34fb\
|
|
e754d021bfca14dc989753d61c413d261934e1a9c67ee060a25eefb54e81a4d14baff922180c395d\
|
|
3f998d70f46f6b58306f969627ae364497e73fc27f6d17ae45a413d322cb8814276be6ddd13b885b\
|
|
201b943213656cde498fa0e9ddc8e0b8f8a53824fbd82254f3e2c17e8eaea009c38b4aa0a3f306e8\
|
|
797db43c25d68e86f262e564086f59a2fc60511c42abfb3057c247a8a8fe4fb3ccbadde17514b7ac\
|
|
8000cdb6a912778426260c47f38919a91f25f4b5ffb455d6aaaf150f7e5529c100ce62d6d92826a7\
|
|
1778d809bdf60232ae21ce8a437eca8223f45ac37f6487452ce626f549b3b5fdee26afd2072e4bc7\
|
|
5833c2464c805246155289f4\
|
|
".from_hex().unwrap();
|
|
|
|
h.read_ack(&secret, &ack[0..super::V4_ACK_PACKET_SIZE]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::ReadingAckEip8);
|
|
h.read_ack_eip8(&secret, &ack[super::V4_ACK_PACKET_SIZE..]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::StartSession);
|
|
check_ack(&h, 4);
|
|
}
|
|
|
|
#[test]
|
|
fn test_handshake_ack_eip8_2() {
|
|
let remote = "fda1cff674c90c9a197539fe3dfb53086ace64f83ed7c6eabec741f7f381cc803e52ab2cd55d5569bce4347107a310dfd5f88a010cd2ffd1005ca406f1842877".into();
|
|
let mut h = create_handshake(Some(&remote));
|
|
let secret = "49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee".parse().unwrap();
|
|
let ack =
|
|
"\
|
|
01f004076e58aae772bb101ab1a8e64e01ee96e64857ce82b1113817c6cdd52c09d26f7b90981cd7\
|
|
ae835aeac72e1573b8a0225dd56d157a010846d888dac7464baf53f2ad4e3d584531fa203658fab0\
|
|
3a06c9fd5e35737e417bc28c1cbf5e5dfc666de7090f69c3b29754725f84f75382891c561040ea1d\
|
|
dc0d8f381ed1b9d0d4ad2a0ec021421d847820d6fa0ba66eaf58175f1b235e851c7e2124069fbc20\
|
|
2888ddb3ac4d56bcbd1b9b7eab59e78f2e2d400905050f4a92dec1c4bdf797b3fc9b2f8e84a482f3\
|
|
d800386186712dae00d5c386ec9387a5e9c9a1aca5a573ca91082c7d68421f388e79127a5177d4f8\
|
|
590237364fd348c9611fa39f78dcdceee3f390f07991b7b47e1daa3ebcb6ccc9607811cb17ce51f1\
|
|
c8c2c5098dbdd28fca547b3f58c01a424ac05f869f49c6a34672ea2cbbc558428aa1fe48bbfd6115\
|
|
8b1b735a65d99f21e70dbc020bfdface9f724a0d1fb5895db971cc81aa7608baa0920abb0a565c9c\
|
|
436e2fd13323428296c86385f2384e408a31e104670df0791d93e743a3a5194ee6b076fb6323ca59\
|
|
3011b7348c16cf58f66b9633906ba54a2ee803187344b394f75dd2e663a57b956cb830dd7a908d4f\
|
|
39a2336a61ef9fda549180d4ccde21514d117b6c6fd07a9102b5efe710a32af4eeacae2cb3b1dec0\
|
|
35b9593b48b9d3ca4c13d245d5f04169b0b1\
|
|
".from_hex().unwrap();
|
|
|
|
h.read_ack(&secret, &ack[0..super::V4_ACK_PACKET_SIZE]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::ReadingAckEip8);
|
|
h.read_ack_eip8(&secret, &ack[super::V4_ACK_PACKET_SIZE..]).unwrap();
|
|
assert_eq!(h.state, super::HandshakeState::StartSession);
|
|
check_ack(&h, 57);
|
|
}
|
|
}
|
|
|