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resolved: don't discard mDNS packets with ip6.arpa RRs

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ip6.arpa is also a valid domain name to put in mDNS packets.
This commit is contained in:
Sergey Bugaev
2021-02-15 19:03:27 +03:00
committed by Lennart Poettering
parent 836590f75b
commit 7675501540
1 changed files with 4 additions and 2 deletions
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6
src/resolve/resolved-mdns.c
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@@ -289,9 +289,11 @@ static int on_mdns_packet(sd_event_source *s, int fd, uint32_t revents, void *us
const char *name = dns_resource_key_name(rr->key);
DnsTransaction *t;
/* If the received reply packet contains ANY record that is not .local or .in-addr.arpa,
* we assume someone's playing tricks on us and discard the packet completely. */
/* If the received reply packet contains ANY record that is not .local
* or .in-addr.arpa or .ip6.arpa, we assume someone's playing tricks on
* us and discard the packet completely. */
if (!(dns_name_endswith(name, "in-addr.arpa") > 0 ||
dns_name_endswith(name, "ip6.arpa") > 0 ||
dns_name_endswith(name, "local") > 0))
return 0;