diff options
Diffstat (limited to 'src/resolve/resolved-dns-cache.c')
| -rw-r--r-- | src/resolve/resolved-dns-cache.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index bcb9994a8c..6124ff659c 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -459,7 +459,12 @@ int dns_cache_put( /* Second, add in positive entries for all contained RRs */ for (i = 0; i < MIN(max_rrs, answer->n_rrs); i++) { - r = dns_cache_put_positive(c, answer->items[i].rr, authenticated, timestamp, owner_family, owner_address); + DnsResourceRecord *rr = answer->items[i].rr; + + if (rr->key->cache_flush) + dns_cache_remove(c, rr->key); + + r = dns_cache_put_positive(c, rr, authenticated, timestamp, owner_family, owner_address); if (r < 0) goto fail; } @@ -726,6 +731,39 @@ int dns_cache_check_conflicts(DnsCache *cache, DnsResourceRecord *rr, int owner_ return 1; } +int dns_cache_export_shared_to_packet(DnsCache *cache, DnsPacket *p) { + unsigned ancount = 0; + Iterator iterator; + DnsCacheItem *i; + int r; + + assert(cache); + + HASHMAP_FOREACH(i, cache->by_key, iterator) { + DnsCacheItem *j; + + LIST_FOREACH(by_key, j, i) { + _cleanup_free_ char *t = NULL; + + if (!j->rr) + continue; + + if (!dns_key_is_shared(j->rr->key)) + continue; + + r = dns_packet_append_rr(p, j->rr, NULL, NULL); + if (r < 0) + return r; + + ancount ++; + } + } + + DNS_PACKET_HEADER(p)->ancount = htobe16(ancount); + + return 0; +} + void dns_cache_dump(DnsCache *cache, FILE *f) { Iterator iterator; DnsCacheItem *i; |