[networking-fixes] add option to bind outgoing RPC sockets (fix #638)

Thanks to yuka for the original patch.
This commit is contained in:
Alex 2024-02-19 11:24:33 +01:00
parent f0bbad2db9
commit b96f84b894
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE
5 changed files with 31 additions and 7 deletions

View file

@ -203,7 +203,7 @@ async fn cli_command(opt: Opt) -> Result<(), Error> {
// Generate a temporary keypair for our RPC client
let (_pk, sk) = sodiumoxide::crypto::sign::ed25519::gen_keypair();
let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, sk);
let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, sk, None);
// Find and parse the address of the target host
let (id, addr, is_default_addr) = if let Some(h) = opt.rpc_host {

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@ -13,7 +13,7 @@ use sodiumoxide::crypto::sign::ed25519;
use futures::stream::futures_unordered::FuturesUnordered;
use futures::stream::StreamExt;
use tokio::net::{TcpListener, TcpStream};
use tokio::net::{TcpListener, TcpSocket, TcpStream};
use tokio::select;
use tokio::sync::{mpsc, watch};
@ -62,6 +62,7 @@ type OnDisconnectHandler = Box<dyn Fn(NodeID, bool) + Send + Sync>;
/// If using it alone, you will want to set `on_connect` and `on_disconnect` events
/// in order to manage information about the current peer list.
pub struct NetApp {
bind_outgoing_to: Option<IpAddr>,
listen_params: ArcSwapOption<ListenParams>,
/// Version tag, 8 bytes for netapp version, 8 bytes for app version
@ -94,13 +95,19 @@ impl NetApp {
/// using `.listen()`
///
/// Our Peer ID is the public key associated to the secret key given here.
pub fn new(app_version_tag: u64, netid: auth::Key, privkey: ed25519::SecretKey) -> Arc<Self> {
pub fn new(
app_version_tag: u64,
netid: auth::Key,
privkey: ed25519::SecretKey,
bind_outgoing_to: Option<IpAddr>,
) -> Arc<Self> {
let mut version_tag = [0u8; 16];
version_tag[0..8].copy_from_slice(&u64::to_be_bytes(NETAPP_VERSION_TAG)[..]);
version_tag[8..16].copy_from_slice(&u64::to_be_bytes(app_version_tag)[..]);
let id = privkey.public_key();
let netapp = Arc::new(Self {
bind_outgoing_to,
listen_params: ArcSwapOption::new(None),
version_tag,
netid,
@ -300,9 +307,20 @@ impl NetApp {
return Ok(());
}
let socket = TcpStream::connect(ip).await?;
let stream = match self.bind_outgoing_to {
Some(addr) => {
let socket = if addr.is_ipv4() {
TcpSocket::new_v4()?
} else {
TcpSocket::new_v6()?
};
socket.bind(SocketAddr::new(addr, 0))?;
socket.connect(ip).await?
}
None => TcpStream::connect(ip).await?,
};
info!("Connected to {}, negotiating handshake...", ip);
ClientConn::init(self, socket, id).await?;
ClientConn::init(self, stream, id).await?;
Ok(())
}

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@ -102,7 +102,7 @@ fn run_netapp(
Arc<NetApp>,
Arc<PeeringManager>,
) {
let netapp = NetApp::new(0u64, netid, sk);
let netapp = NetApp::new(0u64, netid, sk, None);
let peering = PeeringManager::new(netapp.clone(), bootstrap_peers, None);
let peering2 = peering.clone();

View file

@ -324,7 +324,10 @@ impl System {
warn!("This Garage node does not know its publicly reachable RPC address, this might hamper intra-cluster communication.");
}
let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, node_key);
let bind_outgoing_to = Some(config)
.filter(|x| x.rpc_bind_outgoing)
.map(|x| x.rpc_bind_addr.ip());
let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, node_key, bind_outgoing_to);
let peering = PeeringManager::new(netapp.clone(), vec![], rpc_public_addr);
if let Some(ping_timeout) = config.rpc_ping_timeout_msec {
peering.set_ping_timeout_millis(ping_timeout);

View file

@ -55,6 +55,9 @@ pub struct Config {
pub rpc_secret_file: Option<PathBuf>,
/// Address to bind for RPC
pub rpc_bind_addr: SocketAddr,
/// Bind outgoing sockets to rpc_bind_addr's IP address as well
#[serde(default)]
pub rpc_bind_outgoing: bool,
/// Public IP address of this node
pub rpc_public_addr: Option<String>,