diff options
| -rw-r--r-- | src/resolve/resolved-dns-packet.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index 35d1fb02be..9bd08eeec2 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -1819,8 +1819,16 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) { break; - case DNS_TYPE_NSEC: - r = dns_packet_read_name(p, &rr->nsec.next_domain_name, false, NULL); + case DNS_TYPE_NSEC: { + + /* + * RFC6762, section 18.14 explicly states mDNS should use name compression. + * This contradicts RFC3845, section 2.1.1 + */ + + bool allow_compressed = p->protocol == DNS_PROTOCOL_MDNS; + + r = dns_packet_read_name(p, &rr->nsec.next_domain_name, allow_compressed, NULL); if (r < 0) goto fail; @@ -1833,7 +1841,7 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) { * without the NSEC bit set. */ break; - + } case DNS_TYPE_NSEC3: { uint8_t size; |