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Fixed negative DNS responses.

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This commit is contained in:
Revertron
2021-04-13 18:46:48 +02:00
parent 63bc120105
commit ee9b73b190
1 changed files with 19 additions and 12 deletions
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src/blockchain/filter.rs
+19 -12
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@@ -49,6 +49,7 @@ impl DnsFilter for BlockchainFilter {
packet.questions.push(DnsQuestion::new(String::from(qname), qtype));
packet.header.rescode = ResultCode::NXDOMAIN;
packet.header.authoritative_answer = true;
BlockchainFilter::add_soa_record(zone, &mut packet);
//trace!("Returning packet: {:?}", &packet);
return Some(packet);
}
@@ -158,17 +159,7 @@ impl DnsFilter for BlockchainFilter {
packet.header.authoritative_answer = true;
packet.header.rescode = ResultCode::NOERROR;
packet.questions.push(DnsQuestion::new(String::from(qname), qtype));
packet.authorities.push(DnsRecord::SOA {
domain: zone,
m_name: String::from(NAME_SERVER),
r_name: String::from(SERVER_ADMIN),
serial: Utc::now().timestamp() as u32,
refresh: 3600,
retry: 300,
expire: 604800,
minimum: 60,
ttl: TransientTtl(600),
});
BlockchainFilter::add_soa_record(zone, &mut packet);
//trace!("Returning packet: {:?}", &packet);
Some(packet)
}
@@ -177,4 +168,20 @@ impl DnsFilter for BlockchainFilter {
None
}
}
}
impl BlockchainFilter {
fn add_soa_record(zone: String, packet: &mut DnsPacket) {
packet.authorities.push(DnsRecord::SOA {
domain: zone,
m_name: String::from(NAME_SERVER),
r_name: String::from(SERVER_ADMIN),
serial: Utc::now().timestamp() as u32,
refresh: 3600,
retry: 300,
expire: 604800,
minimum: 60,
ttl: TransientTtl(60),
});
}
}