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Optimise no-action case in rrfilter().

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Simon Kelley
2023-03-30 16:00:04 +01:00
parent a3c8b75972
commit 153eeb070b
1 changed files with 3 additions and 0 deletions
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3
src/rrfilter.c
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@@ -167,6 +167,9 @@ size_t rrfilter(struct dns_header *header, size_t *plen, int mode)
size_t rr_found = 0;
int i, rdlen, qtype, qclass, chop_an, chop_ns, chop_ar;
if (mode == RRFILTER_CONF && !daemon->filter_rr)
return 0;
if (ntohs(header->qdcount) != 1 ||
!(p = skip_name(p, header, *plen, 4)))
return 0;