dns: properly handle AddrType::Either in get_host_by_name()

This commit is contained in:
Aurélien Jacobs 2024-06-11 11:20:06 +02:00
parent ad7d739ddc
commit 7f3805437c

View File

@ -84,11 +84,26 @@ where
addr_type: embedded_nal_async::AddrType, addr_type: embedded_nal_async::AddrType,
) -> Result<embedded_nal_async::IpAddr, Self::Error> { ) -> Result<embedded_nal_async::IpAddr, Self::Error> {
use embedded_nal_async::{AddrType, IpAddr}; use embedded_nal_async::{AddrType, IpAddr};
let qtype = match addr_type { let (qtype, secondary_qtype) = match addr_type {
AddrType::IPv6 => DnsQueryType::Aaaa, AddrType::IPv4 => (DnsQueryType::A, None),
_ => DnsQueryType::A, AddrType::IPv6 => (DnsQueryType::Aaaa, None),
AddrType::Either => {
#[cfg(not(feature = "proto-ipv6"))]
let v6_first = false;
#[cfg(feature = "proto-ipv6")]
let v6_first = self.stack.config_v6().is_some();
match v6_first {
true => (DnsQueryType::Aaaa, Some(DnsQueryType::A)),
false => (DnsQueryType::A, Some(DnsQueryType::Aaaa)),
}
}
}; };
let addrs = self.query(host, qtype).await?; let mut addrs = self.query(host, qtype).await?;
if addrs.is_empty() {
if let Some(qtype) = secondary_qtype {
addrs = self.query(host, qtype).await?
}
}
if let Some(first) = addrs.get(0) { if let Some(first) = addrs.get(0) {
Ok(match first { Ok(match first {
#[cfg(feature = "proto-ipv4")] #[cfg(feature = "proto-ipv4")]