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Use shared decode_xor_relayed_address in allocate_smoke (remove local duplicate)

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ghost 2025-09-26 16:07:46 +02:00
parent 850354781d
commit 5bbeb8fc55
1 changed files with 7 additions and 16 deletions
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23
src/bin/allocate_smoke.rs
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@ -1,20 +1,11 @@
use bytes::BytesMut;
use niom_turn::constants::*;
use niom_turn::stun;
use std::net::SocketAddr;
use tokio::net::UdpSocket;
use std::time::Duration;
fn decode_xor_relayed_address_local(value: &[u8], _trans: &[u8;12]) -> Option<std::net::SocketAddr> {
if value.len() < 8 { return None; }
if value[1] != FAMILY_IPV4 { return None; }
let xport = u16::from_be_bytes([value[2], value[3]]);
let port = xport ^ ((MAGIC_COOKIE_U32 >> 16) as u16);
let cookie_bytes = MAGIC_COOKIE_U32.to_be_bytes();
let mut ipb = [0u8;4];
for i in 0..4 { ipb[i] = value[4 + i] ^ cookie_bytes[i]; }
let ip = std::net::Ipv4Addr::from(ipb);
Some(std::net::SocketAddr::new(std::net::IpAddr::V4(ip), port))
}
// Use shared decoder from library: niom_turn::stun::decode_xor_relayed_address
#[tokio::main]
async fn main() -> anyhow::Result<()> {
@ -94,12 +85,12 @@ async fn main() -> anyhow::Result<()> {
if offset + alen > total { break; }
println!("attr type=0x{:04x} len={}", atype, alen);
println!("raw: {}", hex::encode(&resp[offset..offset+alen]));
if atype == ATTR_XOR_RELAYED_ADDRESS {
// XOR-RELAYED-ADDRESS: decode via local helper
if let Some(sa) = decode_xor_relayed_address_local(&resp[offset..offset+alen], &trans) {
relay_addr_opt = Some(sa);
if atype == ATTR_XOR_RELAYED_ADDRESS {
// XOR-RELAYED-ADDRESS: decode via shared library function
if let Some(sa) = niom_turn::stun::decode_xor_relayed_address(&resp[offset..offset+alen], &trans) {
relay_addr_opt = Some(sa);
}
}
}
offset += alen;
let pad = (4 - (alen % 4)) % 4;
offset += pad;