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Fix DNS server responses

This commit is contained in:
ospab 2026-06-20 19:15:01 +03:00
parent 3ced4a19b6
commit 10c1772271
2 changed files with 22 additions and 10 deletions
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8
ostp-core/src/dns.rs
View File

@ -136,13 +136,17 @@ impl DnsPacket {
qtype: rtype.clone(), qtype: rtype.clone(),
qclass: 1, // IN qclass: 1, // IN
}], }],
answers: vec![DnsAnswer { answers: if rdata.is_empty() {
vec![]
} else {
vec![DnsAnswer {
name: name.to_string(), name: name.to_string(),
rtype, rtype,
rclass: 1, rclass: 1,
ttl: 0, // No caching ttl: 0, // No caching
rdata, rdata,
}], }]
},
} }
} }

14
ostp-server/src/transport/dns.rs
View File

@ -168,9 +168,17 @@ async fn handle_dns_query(
if dns_req.questions.is_empty() { return; } if dns_req.questions.is_empty() { return; }
let query = &dns_req.questions[0]; let query = &dns_req.questions[0];
// Must be TXT query for our subdomain if query.qtype != DnsRecordType::TXT && query.qtype != DnsRecordType::NULL {
if query.qtype != DnsRecordType::TXT && query.qtype != DnsRecordType::NULL { return; } let resp = build_dns_response(&dns_req, &query.name, query.qtype.clone(), vec![]);
if !query.name.ends_with(&base_domain) { return; } let _ = socket.send_to(&resp, peer).await;
return;
}
if !query.name.ends_with(&base_domain) {
let mut resp = DnsPacket::new_response(dns_req.id, &query.name, query.qtype.clone(), vec![]);
resp.flags = 0x8183; // NXDOMAIN
let _ = socket.send_to(&resp.encode(), peer).await;
return;
}
// Strip base domain and labels separator to get base32 subdomain // Strip base domain and labels separator to get base32 subdomain
let subdomain = { let subdomain = {