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operprefix + ojoin: server oper prefix (!/mode y, above owner) auto-granted to opers + OJOIN command

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This commit is contained in:
Jean Chevronnet 2026-08-10 10:05:37 +00:00
parent 8ebb106f97
commit 1dd7f77ca8
106 changed files with 687 additions and 711 deletions
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8
src/resolver.rs
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@ -1,11 +1,9 @@
//! DNS lookups — echoIRCd's answer to InspIRCd's async resolver + `m_dnsbl`, done
//! from scratch with std UDP (no DNS crate, no `unsafe`). Two things:
//! DNS lookups over std UDP (no DNS crate). Two things:
//!
//! * **reverse-DNS**: PTR-resolve a client IP and **forward-confirm** it (the name
//! must resolve back to the same IP, so a client can't fake a hostname — the
//! anti-spoofing InspIRCd does);
//! must resolve back to the same IP, so a client can't fake a hostname);
//! * **DNSBL**: reverse the client's v4 octets under a blocklist zone and A-lookup
//! it (`m_dnsbl` style), reporting the listing reply.
//! it, reporting the listing reply.
//!
//! Best-effort: any failure returns "not found / clean" and the caller keeps the
//! IP. Runs off the core thread (never blocks the daemon), bounded in time (the UDP