Accept query names by reference for downstream flexibility
authorMatt Corallo <git@bluematt.me>
Wed, 7 Feb 2024 05:23:42 +0000 (05:23 +0000)
committerMatt Corallo <git@bluematt.me>
Wed, 7 Feb 2024 05:23:42 +0000 (05:23 +0000)
src/http.rs
src/query.rs

index 944bea1d2c07acd637bd62b6f71d043119217a4c..f344372e4d72ca1993b237470f4a4b23fc32c514 100644 (file)
@@ -110,10 +110,10 @@ mod imp {
                                                break 'ret_err;
                                        };
                                        let proof_res = match t.to_ascii_uppercase().as_str() {
-                                               "TXT" => build_txt_proof_async(resolver_sockaddr, query_name).await,
-                                               "TLSA" => build_tlsa_proof_async(resolver_sockaddr, query_name).await,
-                                               "A" => build_a_proof_async(resolver_sockaddr, query_name).await,
-                                               "AAAA" => build_aaaa_proof_async(resolver_sockaddr, query_name).await,
+                                               "TXT" => build_txt_proof_async(resolver_sockaddr, &query_name).await,
+                                               "TLSA" => build_tlsa_proof_async(resolver_sockaddr, &query_name).await,
+                                               "A" => build_a_proof_async(resolver_sockaddr, &query_name).await,
+                                               "AAAA" => build_aaaa_proof_async(resolver_sockaddr, &query_name).await,
                                                _ => break 'ret_err,
                                        };
                                        let proof = if let Ok(proof) = proof_res { proof } else {
index 27f21601661b4dcd420787ac3cc91af619bd2d7d..d81e58a1e1d20eb869b91a59203dd19e61093da1 100644 (file)
@@ -20,15 +20,15 @@ fn emap<V>(v: Result<V, ()>) -> Result<V, Error> {
        v.map_err(|_| Error::new(ErrorKind::Other, "Bad Response"))
 }
 
-fn build_query(domain: Name, ty: u16) -> Vec<u8> {
+fn build_query(domain: &Name, ty: u16) -> Vec<u8> {
        // TODO: Move to not allocating for the query
        let mut query = Vec::with_capacity(1024);
-       let query_msg_len: u16 = 2 + 2 + 8 + 2 + 2 + name_len(&domain) + 11;
+       let query_msg_len: u16 = 2 + 2 + 8 + 2 + 2 + name_len(domain) + 11;
        query.extend_from_slice(&query_msg_len.to_be_bytes());
        query.extend_from_slice(&TXID.to_be_bytes());
        query.extend_from_slice(&[0x01, 0x20]); // Flags: Recursive, Authenticated Data
        query.extend_from_slice(&[0, 1, 0, 0, 0, 0, 0, 1]); // One question, One additional
-       write_name(&mut query, &domain);
+       write_name(&mut query, domain);
        query.extend_from_slice(&ty.to_be_bytes());
        query.extend_from_slice(&1u16.to_be_bytes()); // INternet class
        query.extend_from_slice(&[0, 0, 0x29]); // . OPT
@@ -39,14 +39,14 @@ fn build_query(domain: Name, ty: u16) -> Vec<u8> {
        query
 }
 
-fn send_query(stream: &mut TcpStream, domain: Name, ty: u16) -> Result<(), Error> {
+fn send_query(stream: &mut TcpStream, domain: &Name, ty: u16) -> Result<(), Error> {
        let query = build_query(domain, ty);
        stream.write_all(&query)?;
        Ok(())
 }
 
 #[cfg(feature = "tokio")]
-async fn send_query_async(stream: &mut TokioTcpStream, domain: Name, ty: u16) -> Result<(), Error> {
+async fn send_query_async(stream: &mut TokioTcpStream, domain: &Name, ty: u16) -> Result<(), Error> {
        let query = build_query(domain, ty);
        stream.write_all(&query).await?;
        Ok(())
@@ -117,9 +117,9 @@ macro_rules! build_proof_impl {
                                        reached_root = true;
                                } else {
                                        if i != 0 && rrsig.name == rrsig.key_name {
-                                               $send_query(&mut $stream, rrsig.key_name, DS::TYPE)
+                                               $send_query(&mut $stream, &rrsig.key_name, DS::TYPE)
                                        } else {
-                                               $send_query(&mut $stream, rrsig.key_name, DnsKey::TYPE)
+                                               $send_query(&mut $stream, &rrsig.key_name, DnsKey::TYPE)
                                        }$(.await?; $async_ok)??; // Either await?; Ok(())?, or just ?
                                }
                        }
@@ -131,61 +131,61 @@ macro_rules! build_proof_impl {
        } }
 }
 
-fn build_proof(resolver: SocketAddr, domain: Name, ty: u16) -> Result<Vec<u8>, Error> {
+fn build_proof(resolver: SocketAddr, domain: &Name, ty: u16) -> Result<Vec<u8>, Error> {
        let mut stream = TcpStream::connect(resolver)?;
        send_query(&mut stream, domain, ty)?;
        build_proof_impl!(stream, send_query, read_response)
 }
 
 #[cfg(feature = "tokio")]
-async fn build_proof_async(resolver: SocketAddr, domain: Name, ty: u16) -> Result<Vec<u8>, Error> {
+async fn build_proof_async(resolver: SocketAddr, domain: &Name, ty: u16) -> Result<Vec<u8>, Error> {
        let mut stream = TokioTcpStream::connect(resolver).await?;
        send_query_async(&mut stream, domain, ty).await?;
        build_proof_impl!(stream, send_query_async, read_response_async, { Ok::<(), Error>(()) })
 }
 
 /// Builds a DNSSEC proof for an A record by querying a recursive resolver
-pub fn build_a_proof(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub fn build_a_proof(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof(resolver, domain, A::TYPE)
 }
 
 /// Builds a DNSSEC proof for an AAAA record by querying a recursive resolver
-pub fn build_aaaa_proof(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub fn build_aaaa_proof(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof(resolver, domain, AAAA::TYPE)
 }
 
 /// Builds a DNSSEC proof for a TXT record by querying a recursive resolver
-pub fn build_txt_proof(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub fn build_txt_proof(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof(resolver, domain, Txt::TYPE)
 }
 
 /// Builds a DNSSEC proof for a TLSA record by querying a recursive resolver
-pub fn build_tlsa_proof(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub fn build_tlsa_proof(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof(resolver, domain, TLSA::TYPE)
 }
 
 
 /// Builds a DNSSEC proof for an A record by querying a recursive resolver
 #[cfg(feature = "tokio")]
-pub async fn build_a_proof_async(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub async fn build_a_proof_async(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof_async(resolver, domain, A::TYPE).await
 }
 
 /// Builds a DNSSEC proof for an AAAA record by querying a recursive resolver
 #[cfg(feature = "tokio")]
-pub async fn build_aaaa_proof_async(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub async fn build_aaaa_proof_async(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof_async(resolver, domain, AAAA::TYPE).await
 }
 
 /// Builds a DNSSEC proof for a TXT record by querying a recursive resolver
 #[cfg(feature = "tokio")]
-pub async fn build_txt_proof_async(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub async fn build_txt_proof_async(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof_async(resolver, domain, Txt::TYPE).await
 }
 
 /// Builds a DNSSEC proof for a TLSA record by querying a recursive resolver
 #[cfg(feature = "tokio")]
-pub async fn build_tlsa_proof_async(resolver: SocketAddr, domain: Name) -> Result<Vec<u8>, Error> {
+pub async fn build_tlsa_proof_async(resolver: SocketAddr, domain: &Name) -> Result<Vec<u8>, Error> {
        build_proof_async(resolver, domain, TLSA::TYPE).await
 }
 
@@ -204,7 +204,7 @@ mod tests {
        fn test_cloudflare_txt_query() {
                let sockaddr = "8.8.8.8:53".to_socket_addrs().unwrap().next().unwrap();
                let query_name = "cloudflare.com.".try_into().unwrap();
-               let proof = build_txt_proof(sockaddr, query_name).unwrap();
+               let proof = build_txt_proof(sockaddr, &query_name).unwrap();
 
                let mut rrs = parse_rr_stream(&proof).unwrap();
                rrs.shuffle(&mut rand::rngs::OsRng);
@@ -220,7 +220,7 @@ mod tests {
        fn test_txt_query() {
                let sockaddr = "8.8.8.8:53".to_socket_addrs().unwrap().next().unwrap();
                let query_name = "matt.user._bitcoin-payment.mattcorallo.com.".try_into().unwrap();
-               let proof = build_txt_proof(sockaddr, query_name).unwrap();
+               let proof = build_txt_proof(sockaddr, &query_name).unwrap();
 
                let mut rrs = parse_rr_stream(&proof).unwrap();
                rrs.shuffle(&mut rand::rngs::OsRng);
@@ -240,7 +240,7 @@ mod tests {
        async fn test_txt_query_async() {
                let sockaddr = "8.8.8.8:53".to_socket_addrs().unwrap().next().unwrap();
                let query_name = "matt.user._bitcoin-payment.mattcorallo.com.".try_into().unwrap();
-               let proof = build_txt_proof_async(sockaddr, query_name).await.unwrap();
+               let proof = build_txt_proof_async(sockaddr, &query_name).await.unwrap();
 
                let mut rrs = parse_rr_stream(&proof).unwrap();
                rrs.shuffle(&mut rand::rngs::OsRng);