Fixed OPT record forwarding.

2021-09-09 18:18:03 +02:00
parent 9fe8fa31eb
commit 903a3b1550
5 changed files with 26 additions and 10 deletions
@@ -422,7 +422,17 @@ impl DnsRecord {
                    buffer.write_u8(*b)?;
                }
            }
-            DnsRecord::OPT { .. } => {}
+            DnsRecord::OPT { packet_len, flags, ref data } => {
+                buffer.write_u8(0)?;
+                buffer.write_u16(QueryType::OPT.to_num())?;
+                buffer.write_u16(packet_len)?;
+                buffer.write_u32(flags)?;
+                buffer.write_u16(data.len() as u16)?;
+
+                for b in data.as_bytes() {
+                    buffer.write_u8(*b)?;
+                }
+            }
            DnsRecord::UNKNOWN { .. } => {
                println!("Skipping record: {:?}", self);
            }