Merge pull request #1279 from teg/resolved-cname-cache

resolevd: cache - improve CNAME handling

1 files changed, 13 insertions, 0 deletions

diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index f31644eebc..fd2f53f40b 100644
--- a/src/resolve/resolved-dns-rr.c
+++ b/src/resolve/resolved-dns-rr.c
@@ -48,6 +48,19 @@ DnsResourceKey* dns_resource_key_new(uint16_t class, uint16_t type, const char *
         return k;
 }
 
+DnsResourceKey* dns_resource_key_new_cname(const DnsResourceKey *key) {
+        assert(key);
+
+        return dns_resource_key_new(key->class, DNS_TYPE_CNAME, DNS_RESOURCE_KEY_NAME(key));
+}
+
+DnsResourceKey* dns_resource_key_new_redirect(const DnsResourceKey *key, const DnsResourceRecord *cname) {
+        assert(key);
+        assert(cname);
+
+        return dns_resource_key_new(key->class, key->type, cname->cname.name);
+}
+
 DnsResourceKey* dns_resource_key_new_consume(uint16_t class, uint16_t type, char *name) {
         DnsResourceKey *k;