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resolved: allow name compression in NSEC records

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This commit is contained in:
Daniel Mack
2015-12-08 16:51:40 +01:00
parent 11a27c2ec1
commit d84e543d92
1 changed files with 11 additions and 3 deletions
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src/resolve/resolved-dns-packet.c
+11 -3
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@@ -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;