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resolved: don't resolve "local." via LLMNR

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It's the mDNS top-level domain, hence don't consider it for LLMNR, ever.

Fixes: #16233
This commit is contained in:
Lennart Poettering 2020-11-05 14:16:03 +01:00
parent dc194dce80
commit 088648d081
1 changed files with 1 additions and 0 deletions
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src/resolve/resolved-dns-scope.c
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@ -589,6 +589,7 @@ DnsScopeMatch dns_scope_good_domain(
if ((dns_name_is_single_label(domain) && /* only resolve single label names via LLMNR */
!is_gateway_hostname(domain) && /* don't resolve "gateway" with LLMNR, let nss-myhostname handle this */
dns_name_equal(domain, "local") == 0 && /* don't resolve "local" with LLMNR, it's the top-level domain of mDNS after all, see above */
manager_is_own_hostname(s->manager, domain) <= 0)) /* never resolve the local hostname via LLMNR */
return DNS_SCOPE_YES_BASE + 1; /* Return +1, as we consider ourselves authoritative
* for single-label names, i.e. one label. This is