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Correctly sanitise DNS header bits in answer when recreating query for retry.

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swigger
2015-06-01 20:54:59 +01:00
committed by Simon Kelley
parent 403de05925
commit bd7bfa21c4
2 changed files with 9 additions and 8 deletions
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3
src/forward.c
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@@ -769,7 +769,8 @@ void reply_query(int fd, int family, time_t now)
header->arcount = htons(0);
if ((nn = resize_packet(header, (size_t)n, pheader, plen)))
{
header->hb3 &= ~(HB3_QR | HB3_TC);
header->hb3 &= ~(HB3_QR | HB3_AA | HB3_TC);
header->hb4 &= ~(HB4_RA | HB4_RCODE);
forward_query(-1, NULL, NULL, 0, header, nn, now, forward, 0, 0);
return;
}