From 4dd3effc1a37a912a388b371ba506e5d444adc53 Mon Sep 17 00:00:00 2001
From: ddidderr <ddidderr@paul.network>
Date: Sun, 8 May 2022 19:37:05 +0200
Subject: [PATCH] (refactor) no support for rfc4035 as of now

---
 src/proto.rs | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/proto.rs b/src/proto.rs
index 4f7e24d..9c2f26f 100644
--- a/src/proto.rs
+++ b/src/proto.rs
@@ -140,10 +140,10 @@ pub struct DNSHeader {
     pub recursion_desired: bool,
     /// denotes whether recursive query support is available in the name server
     pub recursion_available: bool,
-    /// TODO: add documuentation about this flag
-    pub authentic_data: bool,
-    /// TODO: add documuentation about this flag
-    pub checking_disabled: bool,
+    // no support of rfc4035 at the moment
+    //pub authentic_data: bool,
+    // no support of rfc4035 at the moment
+    //pub checking_disabled: bool,
     pub response_code: DNSRCode,
     /// TODO: add documuentation about this count
     pub query_count: u16,
@@ -171,8 +171,9 @@ impl DNSHeader {
     const RD_MASK: u8 = 0b00000001;
 
     const RA_MASK: u8 = 0b10000000;
-    const AD_MASK: u8 = 0b00100000;
-    const CD_MASK: u8 = 0b00010000;
+    // no support of rfc4035 at the moment
+    //const AD_MASK: u8 = 0b00100000;
+    //const CD_MASK: u8 = 0b00010000;
     const RCODE_MASK: u8 = 0b00001111;
 
     const OPCODE_OFFSET: u8 = 3;
@@ -192,8 +193,9 @@ impl DNSHeader {
         let recursion_desired = (datagram[2] & Self::RD_MASK) != 0;
         let recursion_available = (datagram[3] & Self::RA_MASK) != 0;
 
-        let authentic_data = (datagram[2] & Self::AD_MASK) != 0;
-        let checking_disabled = (datagram[2] & Self::CD_MASK) != 0;
+        // no support for rfc4035 at the moment
+        //let authentic_data = (datagram[2] & Self::AD_MASK) != 0;
+        //let checking_disabled = (datagram[2] & Self::CD_MASK) != 0;
 
         let response_code = DNSRCode::try_from(datagram[3] & Self::RCODE_MASK)?;
         let query_count = u16::from_be_bytes((datagram[4..6]).try_into().unwrap());
@@ -209,8 +211,8 @@ impl DNSHeader {
             truncated,
             recursion_desired,
             recursion_available,
-            authentic_data,
-            checking_disabled,
+            //authentic_data,    // no support of rfc4035 at the moment
+            //checking_disabled, // no support of rfc4035 at the moment
             response_code,
             query_count,
             answer_count,