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rust test: add icmp ping

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2017-05-29 16:58:10 +02:00
parent 2d8abfd5a0
commit 8d8ea7a4fb
2 changed files with 63 additions and 10 deletions
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6
contrib/external-tests/rust/Cargo.toml
View file

@ -1,5 +1,5 @@
[package]
name = "wireguard-keepalive"
name = "wireguard-ping"
version = "0.1.0"
authors = ["jason@zx2c4.com", "me@jake.su"]
publish = false
@ -10,3 +10,7 @@ base64 = "^0.5"
rust-crypto = "*"
byteorder = "*"
time = "*"
[dependencies.pnet]
version = "*"
features = [ ]

67
contrib/external-tests/rust/src/main.rs
View file

@ -5,11 +5,17 @@ extern crate base64;
extern crate time;
extern crate byteorder;
extern crate crypto;
extern crate pnet;
use byteorder::{ByteOrder, BigEndian, LittleEndian};
use crypto::blake2s::Blake2s;
use snow::NoiseBuilder;
use pnet::packet::Packet;
use pnet::packet::ip::IpNextHeaderProtocols;
use pnet::packet::ipv4::{MutableIpv4Packet, self};
use pnet::packet::icmp::{MutableIcmpPacket, IcmpTypes, echo_reply, echo_request, self};
use std::net::*;
use std::str::FromStr;
static TEST_SERVER: &'static str = "demo.wireguard.io:12913";
@ -65,13 +71,56 @@ fn main() {
assert!(payload_len == 0);
noise = noise.into_transport_mode().unwrap();
let mut keepalive_packet = [0; 32];
keepalive_packet[0] = 4; /* Type: Data */
keepalive_packet[1] = 0; /* Reserved */
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..], 0);
noise.write_message(&[], &mut keepalive_packet[16..]).unwrap(); /* Empty payload means keepalive */
socket.send_to(&keepalive_packet, TEST_SERVER).unwrap();
let mut icmp_packet = [0; 48];
{
let mut ipv4 = MutableIpv4Packet::new(&mut icmp_packet).unwrap();
ipv4.set_version(4);
ipv4.set_header_length(5);
ipv4.set_total_length(37);
ipv4.set_ttl(20);
ipv4.set_next_level_protocol(IpNextHeaderProtocols::Icmp);
ipv4.set_source(Ipv4Addr::from_str("10.189.129.2").unwrap());
ipv4.set_destination(Ipv4Addr::from_str("10.189.129.1").unwrap());
let checksum = ipv4::checksum(&ipv4.to_immutable());
ipv4.set_checksum(checksum);
}
{
let mut icmp = echo_request::MutableEchoRequestPacket::new(&mut icmp_packet[20..]).unwrap();
icmp.set_icmp_type(IcmpTypes::EchoRequest);
icmp.set_icmp_code(echo_request::IcmpCodes::NoCode);
icmp.set_identifier(921);
icmp.set_sequence_number(438);
icmp.set_payload(b"WireGuard");
}
{
let mut icmp = MutableIcmpPacket::new(&mut icmp_packet[20..]).unwrap();
let checksum = icmp::checksum(&icmp.to_immutable());
icmp.set_checksum(checksum);
}
let mut ping_packet = [0; 80];
ping_packet[0] = 4; /* Type: Data */
ping_packet[1] = 0; /* Reserved */
ping_packet[2] = 0; /* Reserved */
ping_packet[3] = 0; /* Reserved */
LittleEndian::write_u32(&mut ping_packet[4..], their_index);
LittleEndian::write_u64(&mut ping_packet[8..], 0);
noise.write_message(&icmp_packet, &mut ping_packet[16..]).unwrap();
socket.send_to(&ping_packet, TEST_SERVER).unwrap();
socket.recv_from(&mut ping_packet).unwrap();
assert!(ping_packet[0] == 4 /* Type: Data */);
assert!(ping_packet[1] == 0 /* Reserved */);
assert!(ping_packet[2] == 0 /* Reserved */);
assert!(ping_packet[3] == 0 /* Reserved */);
let our_index_received = LittleEndian::read_u32(&ping_packet[4..]);
assert!(our_index_received == 28);
let nonce = LittleEndian::read_u64(&ping_packet[8..]);
assert!(nonce == 0);
let payload_len = noise.read_message(&ping_packet[16..], &mut icmp_packet).unwrap();
assert!(payload_len == 48);
let icmp_reply = echo_reply::EchoReplyPacket::new(&icmp_packet[20..37]).unwrap();
assert!(icmp_reply.get_icmp_type() == IcmpTypes::EchoReply && icmp_reply.get_icmp_code() == echo_reply::IcmpCodes::NoCode);
assert!(icmp_reply.get_identifier() == 921 && icmp_reply.get_sequence_number() == 438);
assert!(icmp_reply.payload() == b"WireGuard");
}