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Upstreams for ME + Egress-data from UM + ME-over-SOCKS + Bind-aware STUN

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Alexey
2026-02-28 01:20:17 +03:00
parent ac064fe773
commit 3d9660f83e
10 changed files with 307 additions and 78 deletions
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27
src/network/stun.rs
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@@ -41,16 +41,31 @@ pub async fn stun_probe_dual(stun_addr: &str) -> Result<DualStunResult> {
}
pub async fn stun_probe_family(stun_addr: &str, family: IpFamily) -> Result<Option<StunProbeResult>> {
stun_probe_family_with_bind(stun_addr, family, None).await
}
pub async fn stun_probe_family_with_bind(
stun_addr: &str,
family: IpFamily,
bind_ip: Option<IpAddr>,
) -> Result<Option<StunProbeResult>> {
use rand::RngCore;
let bind_addr = match family {
IpFamily::V4 => "0.0.0.0:0",
IpFamily::V6 => "[::]:0",
let bind_addr = match (family, bind_ip) {
(IpFamily::V4, Some(IpAddr::V4(ip))) => SocketAddr::new(IpAddr::V4(ip), 0),
(IpFamily::V6, Some(IpAddr::V6(ip))) => SocketAddr::new(IpAddr::V6(ip), 0),
(IpFamily::V4, Some(IpAddr::V6(_))) | (IpFamily::V6, Some(IpAddr::V4(_))) => {
return Ok(None);
}
(IpFamily::V4, None) => SocketAddr::new(IpAddr::V4(Ipv4Addr::UNSPECIFIED), 0),
(IpFamily::V6, None) => SocketAddr::new(IpAddr::V6(Ipv6Addr::UNSPECIFIED), 0),
};
let socket = UdpSocket::bind(bind_addr)
.await
.map_err(|e| ProxyError::Proxy(format!("STUN bind failed: {e}")))?;
let socket = match UdpSocket::bind(bind_addr).await {
Ok(socket) => socket,
Err(_) if bind_ip.is_some() => return Ok(None),
Err(e) => return Err(ProxyError::Proxy(format!("STUN bind failed: {e}"))),
};
let target_addr = resolve_stun_addr(stun_addr, family).await?;
if let Some(addr) = target_addr {