rustics/dns
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(refactor) no support for rfc4035 as of now

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ddidderr 2022-05-08 19:37:05 +02:00
parent 46629d2aad
commit 4dd3effc1a
1 changed files with 12 additions and 10 deletions
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22
src/proto.rs
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@ -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,