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nextgraph-rs
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added probe of broker

Browse Source
pull/19/head
Niko PLP 1 year ago
parent fe56d2c8da
commit e80c87d925
15 changed files with 600 additions and 104 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      Cargo.lock
  2. 23
      ng-sdk-js/src/lib.rs
  3. 26
      p2p-broker/src/server_ws.rs
  4. 1
      p2p-client-ws/Cargo.toml
  5. 84
      p2p-client-ws/src/remote_ws.rs
  6. 41
      p2p-client-ws/src/remote_ws_wasm.rs
  7. 3
      p2p-net/Cargo.toml
  8. 4
      p2p-net/src/actor.rs
  9. 3
      p2p-net/src/actors/mod.rs
  10. 70
      p2p-net/src/actors/probe.rs
  11. 57
      p2p-net/src/broker.rs
  12. 287
      p2p-net/src/connection.rs
  13. 1
      p2p-net/src/errors.rs
  14. 95
      p2p-net/src/types.rs
  15. 7
      p2p-net/src/utils.rs

2
Cargo.lock generated
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@ -3011,6 +3011,7 @@ dependencies = [
"async-trait",
"async-tungstenite",
"chacha20",
"either",
"futures",
"getrandom 0.2.10",
"p2p-net",
@ -3035,6 +3036,7 @@ dependencies = [
"blake3",
"default-net",
"ed25519-dalek",
"either",
"futures",
"getrandom 0.2.10",
"noise-protocol",

23
ng-sdk-js/src/lib.rs
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@ -23,6 +23,7 @@ use p2p_net::broker::*;
use p2p_net::connection::{ClientConfig, StartConfig};
use p2p_net::types::{DirectPeerId, IP};
use p2p_net::utils::{gen_ed_keys, spawn_and_log_error, Receiver, ResultSend, Sender};
use p2p_net::WS_PORT;
use p2p_repo::log::*;
use p2p_repo::types::*;
use p2p_repo::utils::generate_keypair;
@ -198,6 +199,23 @@ pub async fn doc_sync_branch(anuri: String, callback: &js_sys::Function) -> JsVa
return ret;
}
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen]
pub async fn probe() {
let res = BROKER
.write()
.await
.probe(
Box::new(ConnectionWebSocket {}),
IP::try_from(&IpAddr::from_str("127.0.0.1").unwrap()).unwrap(),
WS_PORT,
)
.await;
log_info!("broker.probe : {:?}", res);
Broker::join_shutdown_with_timeout(std::time::Duration::from_secs(5)).await;
}
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen]
pub async fn start() {
@ -207,7 +225,7 @@ pub async fn start() {
// getrandom::getrandom(&mut random_buf).unwrap();
async fn inner_task() -> ResultSend<()> {
let server_key: PubKey = "KWdmwr4_oO62IFGfKzuyotQOixqXGNWv59CRAGvPTjM".try_into()?;
let server_key: PubKey = "X0nh-gOTGKSx0yL0LYJviOWRNacyqIzjQW_LKdK6opU".try_into()?;
log_debug!("server_key:{}", server_key);
//let keys = p2p_net::utils::gen_dh_keys();
@ -227,6 +245,7 @@ pub async fn start() {
.connect(
Box::new(ConnectionWebSocket {}),
IP::try_from(&IpAddr::from_str("127.0.0.1").unwrap()).unwrap(),
WS_PORT,
None,
keys.0,
keys.1,
@ -290,10 +309,12 @@ pub fn change(name: &str) -> JsValue {
mod test {
use wasm_bindgen_test::*;
wasm_bindgen_test_configure!(run_in_browser);
use crate::probe;
use crate::start;
#[wasm_bindgen_test]
pub async fn test_connection() {
//probe().await;
start().await;
}
}

26
p2p-broker/src/server_ws.rs
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@ -80,6 +80,13 @@ fn make_error(code: StatusCode) -> ErrorResponse {
Response::builder().status(code).body(None).unwrap()
}
fn check_no_origin(origin: Option<&HeaderValue>) -> Result<(), ErrorResponse> {
match origin {
Some(_) => Err(make_error(StatusCode::FORBIDDEN)),
None => Ok(()),
}
}
fn check_origin_is_url(
origin: Option<&HeaderValue>,
domains: Vec<String>,
@ -271,7 +278,7 @@ fn upgrade_ws_or_serve_app(
const LOCAL_HOSTS: [&str; 3] = ["localhost", "127.0.0.1", "[::1]"];
const LOCAL_URLS: [&str; 3] = ["http://localhost", "http://127.0.0.1", "http://[::1]"];
const APP_NG_ONE_URL: &str = "https://app.nextgraph.one";
//const APP_NG_ONE_URL: &str = "https://app.nextgraph.one";
impl Callback for SecurityCallback {
fn on_request(self, request: &Request) -> Result<(), ErrorResponse> {
@ -335,11 +342,12 @@ impl Callback for SecurityCallback {
return Err(make_error(StatusCode::FORBIDDEN));
}
check_no_xff(xff)?;
let mut urls_str = vec![];
if !listener.config.refuse_clients {
urls_str.push(APP_NG_ONE_URL.to_string());
}
check_origin_is_url(origin, urls_str)?;
check_no_origin(origin)?;
// let mut urls_str = vec![];
// if !listener.config.refuse_clients {
// urls_str.push(APP_NG_ONE_URL.to_string());
// }
// check_origin_is_url(origin, urls_str)?;
check_host_in_addrs(host, &listener.addrs)?;
log_debug!(
@ -428,9 +436,9 @@ impl Callback for SecurityCallback {
.accept_forward_for
.get_public_bind_addresses();
let mut urls_str = vec![];
if !listener.config.refuse_clients {
urls_str.push(APP_NG_ONE_URL.to_string());
}
// if !listener.config.refuse_clients {
// urls_str.push(APP_NG_ONE_URL.to_string());
// }
if listener.config.accept_direct {
addrs.extend(&listener.addrs);
urls_str = [

1
p2p-client-ws/Cargo.toml
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@ -22,6 +22,7 @@ async-oneshot = "0.5.0"
ws_stream_wasm = "0.7"
pharos = "0.5"
wasm-bindgen = "0.2"
either = "1.8.1"
[dev-dependencies]
wasm-bindgen-test = "^0.3"

84
p2p-client-ws/src/remote_ws.rs
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@ -19,7 +19,7 @@ use async_tungstenite::tungstenite::protocol::CloseFrame;
use async_tungstenite::WebSocketStream;
use async_std::sync::Mutex;
use futures::future::Either;
use either::Either;
use futures::io::Close;
use futures::{future, pin_mut, select, stream, StreamExt};
use futures::{FutureExt, SinkExt};
@ -44,6 +44,7 @@ impl IConnect for ConnectionWebSocket {
async fn open(
&self,
ip: IP,
port: u16,
peer_privk: Sensitive<[u8; 32]>,
peer_pubk: PubKey,
remote_peer: DirectPeerId,
@ -51,17 +52,17 @@ impl IConnect for ConnectionWebSocket {
) -> Result<ConnectionBase, NetError> {
let mut cnx = ConnectionBase::new(ConnectionDir::Client, TransportProtocol::WS);
let url = format!("ws://{}:{}", ip, WS_PORT);
let url = format!("ws://{}:{}", ip, port);
let res = connect_async(url).await;
match (res) {
match res {
Err(e) => {
log_debug!("Cannot connect: {:?}", e);
Err(NetError::ConnectionError)
}
Ok((mut websocket, _)) => {
cnx.start_read_loop(None, peer_privk, Some(remote_peer));
Ok((websocket, _)) => {
cnx.start_read_loop(None, Some(peer_privk), Some(remote_peer));
let s = cnx.take_sender();
let r = cnx.take_receiver();
let mut shutdown = cnx.set_shutdown();
@ -73,6 +74,8 @@ impl IConnect for ConnectionWebSocket {
if res.is_err() {
let _ = shutdown.send(Either::Left(res.err().unwrap())).await;
} else {
let _ = shutdown.send(Either::Left(NetError::Closing)).await;
}
log_debug!("END of WS loop");
});
@ -83,6 +86,41 @@ impl IConnect for ConnectionWebSocket {
}
}
}
async fn probe(&self, ip: IP, port: u16) -> Result<Option<PubKey>, ProtocolError> {
let mut cnx = ConnectionBase::new(ConnectionDir::Client, TransportProtocol::WS);
let url = format!("ws://{}:{}", ip, port);
let res = connect_async(url).await;
match res {
Err(e) => {
log_debug!("Cannot connect: {:?}", e);
Err(ProtocolError::ConnectionError)
}
Ok((websocket, _)) => {
cnx.start_read_loop(None, None, None);
let s = cnx.take_sender();
let r = cnx.take_receiver();
let mut shutdown = cnx.set_shutdown();
let join = task::spawn(async move {
log_debug!("START of WS loop");
let res = ws_loop(websocket, s, r).await;
if res.is_err() {
let _ = shutdown.send(Either::Left(res.err().unwrap())).await;
} else {
let _ = shutdown.send(Either::Left(NetError::Closing)).await;
}
log_debug!("END of WS loop");
});
cnx.probe().await
}
}
}
}
#[cfg_attr(target_arch = "wasm32", async_trait::async_trait(?Send))]
@ -100,7 +138,7 @@ impl IAccept for ConnectionWebSocket {
cnx.start_read_loop(
Some((local_bind_address, remote_bind_address)),
peer_privk,
Some(peer_privk),
None,
);
let s = cnx.take_sender();
@ -114,6 +152,8 @@ impl IAccept for ConnectionWebSocket {
if res.is_err() {
let _ = shutdown.send(Either::Left(res.err().unwrap())).await;
} else {
let _ = shutdown.send(Either::Left(NetError::Closing)).await;
}
log_debug!("END of WS loop");
});
@ -275,7 +315,7 @@ mod test {
// let mut random_buf = [0u8; 32];
// getrandom::getrandom(&mut random_buf).unwrap();
let server_key: PubKey = "NvMf86FnhcSJ4s9zryguepgqtNCImUM4qUoW6p_wRdA".try_into()?;
let server_key: PubKey = "X0nh-gOTGKSx0yL0LYJviOWRNacyqIzjQW_LKdK6opU".try_into()?;
log_debug!("server_key:{}", server_key);
//let keys = p2p_net::utils::gen_dh_keys();
@ -295,15 +335,12 @@ mod test {
.connect(
Box::new(ConnectionWebSocket {}),
IP::try_from(&IpAddr::from_str("127.0.0.1").unwrap()).unwrap(),
WS_PORT,
None,
keys.0,
keys.1,
server_key,
StartConfig::Client(ClientConfig {
user: user_pub_key,
client: client_pub_key,
client_priv: client_priv_key,
}),
StartConfig::Probe,
)
.await;
log_info!("broker.connect : {:?}", res);
@ -332,4 +369,27 @@ mod test {
Broker::join_shutdown_with_timeout(std::time::Duration::from_secs(5)).await;
Ok(())
}
#[async_std::test]
pub async fn probe() -> Result<(), NgError> {
log_info!("start probe");
{
let res = BROKER
.write()
.await
.probe(
Box::new(ConnectionWebSocket {}),
IP::try_from(&IpAddr::from_str("127.0.0.1").unwrap()).unwrap(),
WS_PORT,
)
.await;
log_info!("broker.probe : {:?}", res);
res.expect("assume the probe succeeds");
}
//Broker::graceful_shutdown().await;
Broker::join_shutdown_with_timeout(std::time::Duration::from_secs(10)).await;
Ok(())
}
}

41
p2p-client-ws/src/remote_ws_wasm.rs
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@ -11,6 +11,7 @@
//! WebSocket for Wasm Remote Connection to a Broker
use either::Either;
use futures::FutureExt;
use futures::{future, pin_mut, select, stream, SinkExt, StreamExt};
use p2p_net::connection::*;
@ -37,6 +38,7 @@ impl IConnect for ConnectionWebSocket {
async fn open(
&self,
ip: IP,
port: u16,
peer_privk: Sensitive<[u8; 32]>,
peer_pubk: PubKey,
remote_peer: DirectPeerId,
@ -44,14 +46,14 @@ impl IConnect for ConnectionWebSocket {
) -> Result<ConnectionBase, NetError> {
let mut cnx = ConnectionBase::new(ConnectionDir::Client, TransportProtocol::WS);
let url = format!("ws://{}:{}", ip, WS_PORT);
let url = format!("ws://{}:{}", ip, port);
let (mut ws, wsio) = WsMeta::connect(url, None).await.map_err(|e| {
//log_info!("{:?}", e);
NetError::ConnectionError
})?;
cnx.start_read_loop(None, peer_privk, Some(remote_peer));
cnx.start_read_loop(None, Some(peer_privk), Some(remote_peer));
let mut shutdown = cnx.set_shutdown();
spawn_and_log_error(ws_loop(
@ -66,6 +68,28 @@ impl IConnect for ConnectionWebSocket {
Ok(cnx)
}
async fn probe(&self, ip: IP, port: u16) -> Result<Option<PubKey>, ProtocolError> {
let mut cnx = ConnectionBase::new(ConnectionDir::Client, TransportProtocol::WS);
let url = format!("ws://{}:{}", ip, port);
let (mut ws, wsio) = WsMeta::connect(url, None).await.map_err(|e| {
//log_info!("{:?}", e);
ProtocolError::ConnectionError
})?;
cnx.start_read_loop(None, None, None);
let mut shutdown = cnx.set_shutdown();
spawn_and_log_error(ws_loop(
ws,
wsio,
cnx.take_sender(),
cnx.take_receiver(),
shutdown,
));
cnx.probe().await
}
}
async fn ws_loop(
@ -73,7 +97,7 @@ async fn ws_loop(
mut stream: WsStream,
sender: Receiver<ConnectionCommand>,
mut receiver: Sender<ConnectionCommand>,
mut shutdown: Sender<NetError>,
mut shutdown: Sender<Either<NetError, PubKey>>,
) -> ResultSend<()> {
async fn inner_loop(
stream: &mut WsStream,
@ -175,10 +199,13 @@ async fn ws_loop(
Some(WsEvent::WsErr(_e)) => ConnectionCommand::Error(NetError::WsError),
};
if let ConnectionCommand::Error(err) = last_command.clone() {
let _ = shutdown.send(err).await;
} else if let ConnectionCommand::ProtocolError(err) = last_command.clone() {
//let _ = shutdown.send(NetError::ProtocolError).await;
} // otherwise, shutdown gracefully (with None). it is done automatically during destroy of shutdown
let _ = shutdown.send(Either::Left(err)).await;
} else {
let _ = shutdown.send(Either::Left(NetError::Closing)).await;
}
// if let ConnectionCommand::ProtocolError(err) = last_command.clone() {
//let _ = shutdown.send(Either::Left(NetError::ProtocolError)).await;
// otherwise, shutdown gracefully (with None). it is done automatically during destroy of shutdown
receiver
.send(last_command)

3
p2p-net/Cargo.toml
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@ -24,6 +24,7 @@ once_cell = "1.17.1"
noise-protocol = "0.2.0-rc1"
noise-rust-crypto = "0.6.0-rc.1"
ed25519-dalek = "1.0.1"
either = "1.8.1"
[target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
version = "0.2.7"
@ -31,4 +32,4 @@ features = ["js"]
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
getrandom = "0.2.7"
default-net = "0.15"
default-net = "0.15"

4
p2p-net/src/actor.rs
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@ -107,6 +107,10 @@ impl<
// || !self.initiator && msg.type_id() == TypeId::of::<A>()
// }
pub fn detach_receiver(&mut self) -> Receiver<ConnectionCommand> {
self.receiver.take().unwrap()
}
pub async fn request(
&mut self,
msg: ProtocolMessage,

3
p2p-net/src/actors/mod.rs
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@ -3,3 +3,6 @@ pub use noise::*;
pub mod start;
pub use start::*;
pub mod probe;
pub use probe::*;

70
p2p-net/src/actors/probe.rs
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@ -0,0 +1,70 @@
/*
* Copyright (c) 2022-2023 Niko Bonnieure, Par le Peuple, NextGraph.org developers
* All rights reserved.
* Licensed under the Apache License, Version 2.0
* <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
* or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
* at your option. All files in the project carrying such
* notice may not be copied, modified, or distributed except
* according to those terms.
*/
use crate::connection::NoiseFSM;
use crate::types::{ProbeResponse, MAGIC_NG_REQUEST};
use crate::{actor::*, errors::ProtocolError, types::ProtocolMessage};
use async_std::sync::Mutex;
use serde::{Deserialize, Serialize};
use std::any::{Any, TypeId};
use std::sync::Arc;
/// Send to probe if the server is a NextGraph broker.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct Probe {}
impl TryFrom<ProtocolMessage> for ProbeResponse {
type Error = ProtocolError;
fn try_from(msg: ProtocolMessage) -> Result<Self, Self::Error> {
if let ProtocolMessage::ProbeResponse(res) = msg {
Ok(res)
} else {
Err(ProtocolError::InvalidValue)
}
}
}
impl TryFrom<ProtocolMessage> for Probe {
type Error = ProtocolError;
fn try_from(msg: ProtocolMessage) -> Result<Self, Self::Error> {
if let ProtocolMessage::Probe(magic) = msg {
if magic == MAGIC_NG_REQUEST {
Ok(Probe {})
} else {
Err(ProtocolError::InvalidValue)
}
} else {
Err(ProtocolError::InvalidValue)
}
}
}
impl From<Probe> for ProtocolMessage {
fn from(msg: Probe) -> ProtocolMessage {
ProtocolMessage::Probe(MAGIC_NG_REQUEST)
}
}
impl Actor<'_, Probe, ProbeResponse> {}
#[async_trait::async_trait]
impl EActor for Actor<'_, Probe, ProbeResponse> {
async fn respond(
&mut self,
msg: ProtocolMessage,
fsm: Arc<Mutex<NoiseFSM>>,
) -> Result<(), ProtocolError> {
let req = Probe::try_from(msg)?;
//let res = ProbeResponse()
//fsm.lock().await.send(res.into()).await?;
Ok(())
}
}

57
p2p-net/src/broker.rs
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@ -17,8 +17,8 @@ use crate::utils::spawn_and_log_error;
use crate::utils::{Receiver, ResultSend, Sender};
use async_std::stream::StreamExt;
use async_std::sync::{Arc, RwLock};
use either::Either;
use futures::channel::mpsc;
use futures::future::Either;
use futures::SinkExt;
use noise_protocol::U8Array;
use noise_rust_crypto::sensitive::Sensitive;
@ -119,6 +119,38 @@ impl Broker {
(copy_listeners, copy_bind_addresses)
}
#[cfg(not(target_arch = "wasm32"))]
pub fn authorize(
&self,
remote_bind_address: &BindAddress,
auth: Authorization,
) -> Result<(), ProtocolError> {
match auth {
Authorization::Discover => {
let listener_id = self
.bind_addresses
.get(remote_bind_address)
.ok_or(ProtocolError::BrokerError)?;
let listener = self
.listeners
.get(listener_id)
.ok_or(ProtocolError::BrokerError)?;
if listener.config.discoverable
&& remote_bind_address.ip.is_private()
&& listener.config.accept_forward_for.is_no()
{
Ok(())
} else {
Err(ProtocolError::AccessDenied)
}
}
Authorization::ExtMessage => Err(ProtocolError::AccessDenied),
Authorization::Client => Err(ProtocolError::AccessDenied),
Authorization::Core => Err(ProtocolError::AccessDenied),
Authorization::Admin => Err(ProtocolError::AccessDenied),
}
}
pub fn set_overlays_configs(&mut self, overlays_configs: Vec<BrokerOverlayConfigV0>) {
self.overlays_configs.extend(overlays_configs)
}
@ -363,7 +395,7 @@ impl Broker {
return Err(NetError::Closing);
}
let join = connection.take_shutdown();
let join: mpsc::UnboundedReceiver<Either<NetError, PubKey>> = connection.take_shutdown();
if self
.anonymous_connections
.insert((local_bind_address, remote_bind_address), connection)
@ -419,7 +451,7 @@ impl Broker {
core: Option<String>,
) -> Result<(), NetError> {
log_debug!("ATTACH PEER_ID {}", remote_peer_id);
let connection = self
let mut connection = self
.anonymous_connections
.remove(&(local_bind_address, remote_bind_address))
.ok_or(NetError::InternalError)?;
@ -448,10 +480,23 @@ impl Broker {
Ok(())
}
pub async fn probe(
&mut self,
cnx: Box<dyn IConnect>,
ip: IP,
port: u16,
) -> Result<Option<PubKey>, ProtocolError> {
if self.closing {
return Err(ProtocolError::Closing);
}
cnx.probe(ip, port).await
}
pub async fn connect(
&mut self,
cnx: Box<dyn IConnect>,
ip: IP,
port: u16,
core: Option<String>, // the interface used as egress for this connection
peer_privk: Sensitive<[u8; 32]>,
peer_pubk: PubKey,
@ -469,6 +514,7 @@ impl Broker {
let mut connection = cnx
.open(
ip,
port,
Sensitive::<[u8; 32]>::from_slice(peer_privk.deref()),
peer_pubk,
remote_peer_id,
@ -509,7 +555,10 @@ impl Broker {
async move {
let res = join.next().await;
log_info!("SOCKET IS CLOSED {:?} {:?}", res, &remote_peer_id);
if res.is_some() {
if res.is_some()
&& res.as_ref().unwrap().is_left()
&& res.unwrap().unwrap_left() != NetError::Closing
{
// we intend to reconnect
let mut broker = BROKER.write().await;
broker.reconnecting(&remote_peer_id);

287
p2p-net/src/connection.rs
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@ -22,9 +22,10 @@ use crate::errors::NetError;
use crate::errors::ProtocolError;
use crate::types::*;
use crate::utils::*;
use async_std::future::TimeoutError;
use async_std::stream::StreamExt;
use async_std::sync::Mutex;
use futures::future::Either;
use either::Either;
use futures::{channel::mpsc, select, Future, FutureExt, SinkExt};
use noise_protocol::U8Array;
use noise_protocol::{patterns::noise_xk, CipherState, HandshakeState};
@ -52,11 +53,14 @@ pub trait IConnect: Send + Sync {
async fn open(
&self,
ip: IP,
port: u16,
peer_privk: Sensitive<[u8; 32]>,
peer_pubk: PubKey,
remote_peer: DirectPeerId,
config: StartConfig,
) -> Result<ConnectionBase, NetError>;
async fn probe(&self, ip: IP, port: u16) -> Result<Option<PubKey>, ProtocolError>;
}
#[cfg_attr(target_arch = "wasm32", async_trait::async_trait(?Send))]
@ -87,6 +91,9 @@ impl ConnectionDir {
#[derive(Debug, PartialEq)]
pub enum FSMstate {
Local0,
Start,
Probe,
Relay,
Noise0,
Noise1,
Noise2,
@ -97,6 +104,7 @@ pub enum FSMstate {
ServerHello,
ClientAuth,
AuthResult,
Closing,
}
pub struct NoiseFSM {
@ -104,6 +112,7 @@ pub struct NoiseFSM {
dir: ConnectionDir,
sender: Sender<ConnectionCommand>,
/// first is local, second is remote
bind_addresses: Option<(BindAddress, BindAddress)>,
actors: Arc<Mutex<HashMap<i64, Sender<ConnectionCommand>>>>,
@ -112,8 +121,8 @@ pub struct NoiseFSM {
noise_cipher_state_enc: Option<CipherState<ChaCha20Poly1305>>,
noise_cipher_state_dec: Option<CipherState<ChaCha20Poly1305>>,
from: Option<Sensitive<[u8; 32]>>,
to: Option<PubKey>,
local: Option<Sensitive<[u8; 32]>>,
remote: Option<PubKey>,
nonce_for_hello: Vec<u8>,
config: Option<StartConfig>,
@ -132,6 +141,7 @@ pub enum StepReply {
Responder(ProtocolMessage),
Response(ProtocolMessage),
NONE,
CloseNow,
}
pub struct ClientConfig {
@ -147,6 +157,8 @@ pub struct CoreConfig {}
pub struct AdminConfig {}
pub enum StartConfig {
Probe,
Relay(BindAddress),
Client(ClientConfig),
Ext(ExtConfig),
Core(CoreConfig),
@ -160,14 +172,14 @@ impl NoiseFSM {
dir: ConnectionDir,
actors: Arc<Mutex<HashMap<i64, Sender<ConnectionCommand>>>>,
sender: Sender<ConnectionCommand>,
from: Sensitive<[u8; 32]>,
to: Option<PubKey>,
local: Option<Sensitive<[u8; 32]>>,
remote: Option<PubKey>,
) -> Self {
Self {
state: if tp == TransportProtocol::Local {
FSMstate::Local0
} else {
FSMstate::Noise0
FSMstate::Start
},
dir,
bind_addresses,
@ -176,8 +188,8 @@ impl NoiseFSM {
noise_handshake_state: None,
noise_cipher_state_enc: None,
noise_cipher_state_dec: None,
from: Some(from),
to,
local,
remote,
nonce_for_hello: vec![],
config: None,
}
@ -211,7 +223,7 @@ impl NoiseFSM {
}
pub async fn send(&mut self, msg: ProtocolMessage) -> Result<(), ProtocolError> {
log_trace!("SENDING: {:?}", msg);
log_debug!("SENDING: {:?}", msg);
if self.noise_cipher_state_enc.is_some() {
let cipher = self.encrypt(msg)?;
self.sender
@ -244,6 +256,37 @@ impl NoiseFSM {
// }
// }
async fn process_server_noise0(&mut self, noise: &Noise) -> Result<StepReply, ProtocolError> {
let mut handshake = HandshakeState::<X25519, ChaCha20Poly1305, Blake2b>::new(
noise_xk(),
false,
&[],
Some(from_ed_priv_to_dh_priv(self.local.take().unwrap())),
None,
None,
None,
);
let mut payload = handshake.read_message_vec(noise.data()).map_err(|e| {
log_debug!("{:?}", e);
ProtocolError::NoiseHandshakeFailed
})?;
payload = handshake.write_message_vec(&payload).map_err(|e| {
log_debug!("{:?}", e);
ProtocolError::NoiseHandshakeFailed
})?;
let noise = Noise::V0(NoiseV0 { data: payload });
self.send(noise.into()).await?;
self.noise_handshake_state = Some(handshake);
self.state = FSMstate::Noise2;
return Ok(StepReply::NONE);
}
pub async fn step(
&mut self,
mut msg_opt: Option<ProtocolMessage>,
@ -257,9 +300,10 @@ impl NoiseFSM {
}
}
if msg_opt.is_some() {
log_trace!("RECEIVED: {:?}", msg_opt.as_ref().unwrap());
log_debug!("RECEIVED: {:?}", msg_opt.as_ref().unwrap());
}
match self.state {
FSMstate::Closing => {}
// TODO verify that ID is zero
FSMstate::Local0 => {
// CLIENT LOCAL
@ -277,68 +321,125 @@ impl NoiseFSM {
}
}
}
FSMstate::Noise0 => {
// CLIENT INITIALIZE NOISE
FSMstate::Start => {
if !self.dir.is_server() && msg_opt.is_none() {
let mut handshake = HandshakeState::<X25519, ChaCha20Poly1305, Blake2b>::new(
noise_xk(),
true,
&[],
Some(from_ed_priv_to_dh_priv(self.from.take().unwrap())),
None,
Some(*self.to.unwrap().to_dh_from_ed().slice()),
None,
);
let payload = handshake
.write_message_vec(&[])
.map_err(|e| ProtocolError::NoiseHandshakeFailed)?;
let noise = Noise::V0(NoiseV0 { data: payload });
self.send(noise.into()).await?;
self.noise_handshake_state = Some(handshake);
self.state = FSMstate::Noise1;
return Ok(StepReply::NONE);
}
// SERVER INITIALIZE NOISE
else if let Some(msg) = msg_opt.as_ref() {
if self.dir.is_server() {
if let ProtocolMessage::Noise(noise) = msg {
// CLIENT START
match self.config.as_ref().unwrap() {
StartConfig::Probe => {
// PROBE REQUEST
let request = ProtocolMessage::Probe(MAGIC_NG_REQUEST);
self.send(request).await?;
self.state = FSMstate::Probe;
return Ok(StepReply::NONE);
}
StartConfig::Relay(relay_to) => {
// RELAY REQUEST
//self.state
todo!();
}
_ => {
// CLIENT INITIALIZE NOISE
let mut handshake =
HandshakeState::<X25519, ChaCha20Poly1305, Blake2b>::new(
noise_xk(),
false,
true,
&[],
Some(from_ed_priv_to_dh_priv(self.from.take().unwrap())),
None,
Some(from_ed_priv_to_dh_priv(self.local.take().unwrap())),
None,
Some(*self.remote.unwrap().to_dh_from_ed().slice()),
None,
);
let mut payload =
handshake.read_message_vec(noise.data()).map_err(|e| {
log_debug!("{:?}", e);
ProtocolError::NoiseHandshakeFailed
})?;
payload = handshake.write_message_vec(&payload).map_err(|e| {
log_debug!("{:?}", e);
ProtocolError::NoiseHandshakeFailed
})?;
let payload = handshake
.write_message_vec(&[])
.map_err(|e| ProtocolError::NoiseHandshakeFailed)?;
let noise = Noise::V0(NoiseV0 { data: payload });
self.send(noise.into()).await?;
self.noise_handshake_state = Some(handshake);
self.state = FSMstate::Noise2;
self.state = FSMstate::Noise1;
return Ok(StepReply::NONE);
}
}
} else {
#[cfg(not(target_arch = "wasm32"))]
if let Some(msg) = msg_opt.as_ref() {
if self.dir.is_server() {
// SERVER START
match msg {
ProtocolMessage::Probe(magic) => {
// PROBE REQUEST
if *magic != MAGIC_NG_REQUEST {
return Err(ProtocolError::WhereIsTheMagic);
}
let mut probe_response = ProbeResponse {
magic: MAGIC_NG_RESPONSE.to_vec(),
peer_id: None,
};
if BROKER
.read()
.await
.authorize(
&self
.bind_addresses
.ok_or(ProtocolError::BrokerError)?
.1,
Authorization::Discover,
)
.is_ok()
{
probe_response.peer_id =
Some(ed_sensitive_privkey_to_pubkey(
self.local
.as_ref()
.ok_or(ProtocolError::BrokerError)?,
));
}
self.send(ProtocolMessage::ProbeResponse(probe_response))
.await?;
self.state = FSMstate::Closing;
sleep!(std::time::Duration::from_secs(2));
return Ok(StepReply::CloseNow);
}
ProtocolMessage::Relay(_) => {
todo!();
}
ProtocolMessage::Tunnel(_) => {
self.state = FSMstate::Noise1;
todo!();
}
ProtocolMessage::Noise(noise) => {
// SERVER INITIALIZE NOISE
return self.process_server_noise0(noise).await;
}
_ => return Err(ProtocolError::InvalidState),
}
}
}
}
}
FSMstate::Probe => {
// CLIENT side receiving probe response
if let Some(msg) = msg_opt {
let id = msg.id();
if id != 0 {
return Err(ProtocolError::InvalidState);
}
if let ProtocolMessage::ProbeResponse(probe_res) = &msg {
return Ok(StepReply::Response(msg));
}
}
}
FSMstate::Relay => {}
FSMstate::Noise0 => {
if let Some(ProtocolMessage::Noise(noise)) = msg_opt.as_ref() {
if self.dir.is_server() {
return self.process_server_noise0(noise).await;
}
}
}
FSMstate::Noise1 => {
@ -379,6 +480,7 @@ impl NoiseFSM {
StartConfig::Admin(admin_config) => {
todo!();
}
_ => return Err(ProtocolError::InvalidState),
}
self.noise_cipher_state_enc = Some(ciphers.0);
@ -409,7 +511,7 @@ impl NoiseFSM {
return Err(ProtocolError::NoiseHandshakeFailed);
}
let peer_id = PubKey::Ed25519PubKey(handshake.get_rs().unwrap());
self.to = Some(peer_id);
self.remote = Some(peer_id);
let (local_bind_address, remote_bind_address) =
self.bind_addresses.ok_or(ProtocolError::BrokerError)?;
BROKER
@ -601,10 +703,14 @@ impl ConnectionBase {
}
}
pub async fn reset_shutdown(&self, remote_peer_id: PubKey) {
pub async fn release_shutdown(&mut self) {
self.shutdown_sender = None;
}
pub async fn reset_shutdown(&mut self, remote_peer_id: PubKey) {
let _ = self
.shutdown_sender
.as_ref()
.take()
.unwrap()
.send(Either::Right(remote_peer_id))
.await;
@ -663,6 +769,10 @@ impl ConnectionBase {
break; //TODO test that sending a ProtocolError effectively closes the connection (with ConnectionCommand::Close)
}
}
Ok(StepReply::CloseNow) => {
let _ = sender.send(ConnectionCommand::Close).await;
break;
}
Ok(StepReply::NONE) => {}
Ok(StepReply::Responder(responder)) => {
let r = responder
@ -756,6 +866,63 @@ impl ConnectionBase {
self.send(ConnectionCommand::Close).await;
}
pub async fn probe(&mut self) -> Result<Option<PubKey>, ProtocolError> {
if !self.dir.is_server() {
let config = StartConfig::Probe;
let mut actor = Box::new(Actor::<Probe, ProbeResponse>::new(0, true));
self.actors.lock().await.insert(0, actor.get_receiver_tx());
let res;
{
let mut fsm = self.fsm.as_ref().unwrap().lock().await;
fsm.config = Some(config);
res = fsm.step(None).await;
}
if let Err(err) = res {
self.send(ConnectionCommand::ProtocolError(err.clone()))
.await;
return Err(err);
}
let mut receiver = actor.detach_receiver();
let mut shutdown = self.take_shutdown();
select! {
res = async_std::future::timeout(std::time::Duration::from_secs(2),receiver.next()).fuse() => {
self.fsm
.as_mut()
.unwrap()
.lock()
.await
.remove_actor(0)
.await;
match res {
Ok(Some(ConnectionCommand::Msg(ProtocolMessage::ProbeResponse(res)))) => {
if res.magic == MAGIC_NG_RESPONSE {
self.close().await;
return Ok(res.peer_id);
}
}
Err(_) => {}
_ => {}
}
self.close().await;
return Err(ProtocolError::WhereIsTheMagic);
},
r = shutdown.next().fuse() => {
self.fsm
.as_mut()
.unwrap()
.lock()
.await
.remove_actor(0)
.await;
return Err(ProtocolError::Closing);
}
}
} else {
panic!("cannot call probe on a server-side connection");
}
}
pub async fn start(&mut self, config: StartConfig) {
// BOOTSTRAP the protocol from client-side
if !self.dir.is_server() {
@ -776,8 +943,8 @@ impl ConnectionBase {
pub fn start_read_loop(
&mut self,
bind_addresses: Option<(BindAddress, BindAddress)>,
from: Sensitive<[u8; 32]>,
to: Option<PubKey>,
local: Option<Sensitive<[u8; 32]>>,
remote: Option<PubKey>,
) {
let (sender_tx, sender_rx) = mpsc::unbounded();
let (receiver_tx, receiver_rx) = mpsc::unbounded();
@ -792,8 +959,8 @@ impl ConnectionBase {
self.dir.clone(),
Arc::clone(&self.actors),
sender_tx.clone(),
from,
to,
local,
remote,
)));
self.fsm = Some(Arc::clone(&fsm));

1
p2p-net/src/errors.rs
Unescape View File

@ -79,6 +79,7 @@ pub enum ProtocolError {
NoiseHandshakeFailed,
DecryptionError,
EncryptionError,
WhereIsTheMagic,
InvalidNonce,
} //MAX 949 ProtocolErrors

95
p2p-net/src/types.rs
Unescape View File

@ -219,6 +219,12 @@ impl AcceptForwardForV0 {
_ => false,
}
}
pub fn is_no(&self) -> bool {
match self {
AcceptForwardForV0::No => true,
_ => false,
}
}
pub fn is_public_dyn(&self) -> bool {
match self {
AcceptForwardForV0::PublicDyn(_) => true,
@ -2121,8 +2127,79 @@ impl TryFrom<ProtocolMessage> for ExtResponse {
///
/// PROTOCOL MESSAGES
///
pub static MAGIC_NG_REQUEST: [u8; 2] = [78u8, 71u8];
pub static MAGIC_NG_RESPONSE: [u8; 4] = [89u8, 88u8, 78u8, 75u8];
#[derive(Clone, Debug)]
pub enum Authorization {
Discover,
ExtMessage,
Client,
Core,
Admin,
}
/// ProbeResponse
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ProbeResponse {
/// Response Magic number
#[serde(with = "serde_bytes")]
pub magic: Vec<u8>,
/// Used for discovery of broker on private LAN
/// see ListenerV0.discoverable
pub peer_id: Option<PubKey>,
}
/// RelayRequest
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct RelayRequest {
/// The BindAddress of the broker to relay to should be of the same IP family than the TunnelRequest.remote_addr
pub address: BindAddress,
}
/// RelayResponse
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct RelayResponse {
/// Response Magic number
#[serde(with = "serde_bytes")]
pub magic: Vec<u8>,
/// result to the relay request (accept, refuse)
pub result: u16,
}
/// Tunnel Request
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct TunnelRequest {
/// Request Magic number
#[serde(with = "serde_bytes")]
pub magic: Vec<u8>,
// Bind address of client as connected to the relaying broker.
pub remote_addr: BindAddress,
}
/// Tunnel Response
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct TunnelResponse {
/// Response Magic number
#[serde(with = "serde_bytes")]
pub magic: Vec<u8>,
/// result to the tunnel request (accept, refuse)
pub result: u16,
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum ProtocolMessage {
Probe([u8; 2]),
ProbeResponse(ProbeResponse),
Relay(RelayRequest),
RelayResponse(RelayResponse),
Tunnel(TunnelRequest),
TunnelResponse(TunnelResponse),
Noise(Noise),
Start(StartProtocol),
ServerHello(ServerHello),
@ -2136,26 +2213,18 @@ pub enum ProtocolMessage {
impl ProtocolMessage {
pub fn id(&self) -> i64 {
match self {
ProtocolMessage::Noise(_) => 0,
ProtocolMessage::Start(_) => 0,
ProtocolMessage::ServerHello(_) => 0,
ProtocolMessage::ClientAuth(_) => 0,
ProtocolMessage::AuthResult(_) => 0,
ProtocolMessage::ExtRequest(ext_req) => ext_req.id(),
ProtocolMessage::ExtResponse(ext_res) => ext_res.id(),
ProtocolMessage::BrokerMessage(broker_msg) => broker_msg.id(),
_ => 0,
}
}
pub fn set_id(&mut self, id: i64) {
match self {
ProtocolMessage::Noise(_) => panic!("cannot set ID"),
ProtocolMessage::Start(_) => panic!("cannot set ID"),
ProtocolMessage::ServerHello(_) => panic!("cannot set ID"),
ProtocolMessage::ClientAuth(_) => panic!("cannot set ID"),
ProtocolMessage::AuthResult(_) => panic!("cannot set ID"),
ProtocolMessage::ExtRequest(ext_req) => ext_req.set_id(id),
ProtocolMessage::ExtResponse(ext_res) => ext_res.set_id(id),
ProtocolMessage::BrokerMessage(broker_msg) => broker_msg.set_id(id),
_ => panic!("cannot set ID"),
}
}
pub fn type_id(&self) -> TypeId {
@ -2168,6 +2237,12 @@ impl ProtocolMessage {
ProtocolMessage::ExtRequest(a) => a.type_id(),
ProtocolMessage::ExtResponse(a) => a.type_id(),
ProtocolMessage::BrokerMessage(a) => a.type_id(),
ProtocolMessage::Probe(a) => a.type_id(),
ProtocolMessage::ProbeResponse(a) => a.type_id(),
ProtocolMessage::Relay(a) => a.type_id(),
ProtocolMessage::RelayResponse(a) => a.type_id(),
ProtocolMessage::Tunnel(a) => a.type_id(),
ProtocolMessage::TunnelResponse(a) => a.type_id(),
}
}

7
p2p-net/src/utils.rs
Unescape View File

@ -60,6 +60,13 @@ pub fn keypair_from_ed(secret: SecretKey, public: PublicKey) -> (Sensitive<[u8;
(priv_key, pub_key)
}
pub fn ed_sensitive_privkey_to_pubkey(privkey: &Sensitive<[u8; 32]>) -> PubKey {
//TODO FIXME do not create a SecretKey or call into() on it, as this is not using Sensitive<>
let sk = SecretKey::from_bytes(privkey.as_slice()).unwrap();
let pk: PublicKey = (&sk).into();
PubKey::Ed25519PubKey(pk.to_bytes())
}
pub fn keys_from_bytes(secret_key: [u8; 32]) -> (Sensitive<[u8; 32]>, PubKey) {
let sk = SecretKey::from_bytes(&secret_key).unwrap();
let pk: PublicKey = (&sk).into();

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