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resolved: don't honour mDNS cache-flush bit for OPT RRs

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OPT RRs after all use the class field for other purposes than actually
encoding a class, hence the cache flush bit doesn't apply really.
This commit is contained in:
Lennart Poettering 2015-12-18 19:27:16 +01:00
parent ef9a3e3c28
commit 9a9999a713
1 changed files with 1 additions and 1 deletions
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2
src/resolve/resolved-dns-packet.c
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@ -1483,7 +1483,7 @@ int dns_packet_read_key(DnsPacket *p, DnsResourceKey **ret, size_t *start) {
if (p->protocol == DNS_PROTOCOL_MDNS) {
/* See RFC6762, Section 10.2 */
if (class & MDNS_RR_CACHE_FLUSH)
if (type != DNS_TYPE_OPT && (class & MDNS_RR_CACHE_FLUSH))
class &= ~MDNS_RR_CACHE_FLUSH;
else
cache_flush = false;