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Fix socket.getattrinfo
  • Loading branch information
youknowone committed Dec 29, 2025
commit a7d417cf634459724180bfc299e49f79aca41db0
30 changes: 24 additions & 6 deletions crates/stdlib/src/socket.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1951,13 +1951,31 @@ mod _socket {
flags: opts.flags,
};

let host = opts.host.as_ref().map(|s| s.as_str());
let port = opts.port.as_ref().map(|p| -> std::borrow::Cow<'_, str> {
match p {
Either::A(s) => s.as_str().into(),
Either::B(i) => i.to_string().into(),
// Encode host using IDNA encoding
let host_encoded: Option<String> = match opts.host.as_ref() {
Some(s) => {
let encoded =
vm.state
.codec_registry
.encode_text(s.to_owned().into(), "idna", None, vm)?;
let host_str = std::str::from_utf8(encoded.as_bytes())
.map_err(|_| vm.new_runtime_error("idna output is not utf8".to_owned()))?;
Some(host_str.to_owned())
}
});
None => None,
};
let host = host_encoded.as_deref();

// Encode port using UTF-8
let port: Option<std::borrow::Cow<'_, str>> = match opts.port.as_ref() {
Some(Either::A(s)) => {
Some(std::borrow::Cow::Borrowed(s.to_str().ok_or_else(|| {
vm.new_unicode_encode_error("surrogates not allowed".to_owned())
})?))
}
Some(Either::B(i)) => Some(std::borrow::Cow::Owned(i.to_string())),
None => None,
};
let port = port.as_ref().map(|p| p.as_ref());

let addrs = dns_lookup::getaddrinfo(host, port, Some(hints))
Expand Down