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rust test: convert screech test to snow 

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jake McGinty 2017-05-29 13:47:26 +08:00 committed by Jason A. Donenfeld
parent f65fba7dd8
commit 2d8abfd5a0
2 changed files with 31 additions and 39 deletions
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8
contrib/external-tests/rust/Cargo.toml
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@ -1,10 +1,12 @@
[package]
name = "wireguard-keepalive"
version = "0.1.0"
authors = ["jason@zx2c4.com"]
authors = ["jason@zx2c4.com", "me@jake.su"]
publish = false
[dependencies]
screech = { git = "https://github.com/trevp/screech" }
snow = "^0.1.0-preview"
base64 = "^0.5"
rust-crypto = "*"
byteorder = "*"
rustc-serialize = "*"
time = "*"

62
contrib/external-tests/rust/src/main.rs
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@ -1,46 +1,35 @@
/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
extern crate screech;
extern crate crypto;
extern crate snow;
extern crate base64;
extern crate time;
extern crate rustc_serialize;
extern crate byteorder;
extern crate crypto;
use screech::*;
use byteorder::{ByteOrder, BigEndian, LittleEndian};
use crypto::curve25519::curve25519_base;
use crypto::blake2s::Blake2s;
use rustc_serialize::base64::FromBase64;
use snow::NoiseBuilder;
use std::net::*;
static TEST_SERVER: &'static str = "demo.wireguard.io:12913";
fn memcpy(out: &mut [u8], data: &[u8]) {
for count in 0..data.len() {
out[count] = data[count];
}
out[..data.len()].copy_from_slice(data);
}
fn main() {
let send_addr = "demo.wireguard.io:12913".to_socket_addrs().unwrap().next().unwrap();
let listen_addr = "0.0.0.0:0".to_socket_addrs().unwrap().next().unwrap();
let socket = UdpSocket::bind(listen_addr).unwrap();
let mut empty_payload = [0; 0];
let socket = UdpSocket::bind("0.0.0.0:0").unwrap();
let mut their_public = [0; 32];
memcpy(&mut their_public, &"qRCwZSKInrMAq5sepfCdaCsRJaoLe5jhtzfiw7CjbwM=".from_base64().unwrap());
let mut my_private = [0; 32];
memcpy(&mut my_private, &"WAmgVYXkbT2bCtdcDwolI88/iVi/aV3/PHcUBTQSYmo=".from_base64().unwrap());
let mut my_preshared = [0; 32];
memcpy(&mut my_preshared, &"FpCyhws9cxwWoV4xELtfJvjJN+zQVRPISllRWgeopVE=".from_base64().unwrap());
let my_public = curve25519_base(&my_private);
let mut my_keypair : Dh25519 = Default::default();
my_keypair.set(&my_private, &my_public);
let mut owner : HandshakeCryptoOwner<RandomOs, Dh25519, CipherChaChaPoly, HashBLAKE2s> = Default::default();
owner.set_s(my_keypair);
owner.set_rs(&their_public);
let mut cipherstate1 : CipherState<CipherChaChaPoly> = Default::default();
let mut cipherstate2 : CipherState<CipherChaChaPoly> = Default::default();
//TODO: specify psk2 mode
let mut handshake = HandshakeState::new_from_owner(&mut owner, true, HandshakePattern::IK, "WireGuard v1 zx2c4 Jason@zx2c4.com".as_bytes(), Some(&my_preshared[..]), &mut cipherstate1, &mut cipherstate2);
let their_public = base64::decode(&"qRCwZSKInrMAq5sepfCdaCsRJaoLe5jhtzfiw7CjbwM=").unwrap();
let my_private = base64::decode(&"WAmgVYXkbT2bCtdcDwolI88/iVi/aV3/PHcUBTQSYmo=").unwrap();
let my_preshared = base64::decode(&"FpCyhws9cxwWoV4xELtfJvjJN+zQVRPISllRWgeopVE=").unwrap();
let mut noise = NoiseBuilder::new("Noise_IKpsk2_25519_ChaChaPoly_BLAKE2s".parse().unwrap())
.local_private_key(&my_private[..])
.remote_public_key(&their_public[..])
.prologue("WireGuard v1 zx2c4 Jason@zx2c4.com".as_bytes())
.psk(2, &my_preshared[..])
.build_initiator().unwrap();
let now = time::get_time();
let mut tai64n = [0; 12];
@ -52,7 +41,7 @@ fn main() {
initiation_packet[2] = 0; /* Reserved */
initiation_packet[3] = 0; /* Reserved */
LittleEndian::write_u32(&mut initiation_packet[4..], 28); /* Sender index: 28 (arbitrary) */
handshake.write_message(&tai64n, &mut initiation_packet[8..]);
noise.write_message(&tai64n, &mut initiation_packet[8..]).unwrap();
let mut mac_key_input = [0; 40];
let mut mac_key = [0; 32];
memcpy(&mut mac_key_input, b"mac1----");
@ -61,7 +50,7 @@ fn main() {
let mut mac = [0; 16];
Blake2s::blake2s(&mut mac, &initiation_packet[0..116], &mac_key);
memcpy(&mut initiation_packet[116..], &mac);
socket.send_to(&initiation_packet, &send_addr).unwrap();
socket.send_to(&initiation_packet, TEST_SERVER).unwrap();
let mut response_packet = [0; 92];
socket.recv_from(&mut response_packet).unwrap();
@ -72,8 +61,9 @@ fn main() {
let their_index = LittleEndian::read_u32(&response_packet[4..]);
let our_index = LittleEndian::read_u32(&response_packet[8..]);
assert!(our_index == 28);
let (payload_len, last) = handshake.read_message(&response_packet[12..60], &mut empty_payload).unwrap();
assert!(payload_len == 0 && last);
let payload_len = noise.read_message(&response_packet[12..60], &mut []).unwrap();
assert!(payload_len == 0);
noise = noise.into_transport_mode().unwrap();
let mut keepalive_packet = [0; 32];
keepalive_packet[0] = 4; /* Type: Data */
@ -81,7 +71,7 @@ fn main() {
keepalive_packet[2] = 0; /* Reserved */
keepalive_packet[3] = 0; /* Reserved */
LittleEndian::write_u32(&mut keepalive_packet[4..], their_index);
LittleEndian::write_u64(&mut keepalive_packet[8..], cipherstate1.n);
cipherstate1.encrypt(&empty_payload, &mut keepalive_packet[16..]); /* Empty payload means keepalive */
socket.send_to(&keepalive_packet, &send_addr).unwrap();
LittleEndian::write_u64(&mut keepalive_packet[8..], 0);
noise.write_message(&[], &mut keepalive_packet[16..]).unwrap(); /* Empty payload means keepalive */
socket.send_to(&keepalive_packet, TEST_SERVER).unwrap();
}