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optimization: when deciding whether to do v6 syntheis, check the query type

before the ACL because it's usually faster that way
This commit is contained in:
Andreas Gustafsson
2001-01-26 23:40:44 +00:00
parent dd66e6306b
commit 75534b6392

View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: query.c,v 1.176 2001/01/23 01:50:25 bwelling Exp $ */
/* $Id: query.c,v 1.177 2001/01/26 23:40:44 gson Exp $ */
#include <config.h>
@@ -3403,6 +3403,7 @@ ns_query_start(ns_client_t *client) {
* Synthesize IPv6 responses if appropriate.
*/
if (RECURSIONOK(client) &&
(qtype == dns_rdatatype_aaaa || qtype == dns_rdatatype_ptr) &&
client->message->rdclass == dns_rdataclass_in &&
ns_client_checkacl(client, "v6 synthesis",
client->view->v6synthesisacl,
@@ -3413,14 +3414,16 @@ ns_query_start(ns_client_t *client) {
ns_client_attach(client, &qclient);
synth_fwd_start(qclient);
return;
} else if (qtype == dns_rdatatype_ptr &&
} else {
INSIST(qtype == dns_rdatatype_ptr);
/* Must be 32 nibbles + "ip6" + "int" + root */
dns_name_countlabels(client->query.qname) == 32 + 3 &&
dns_name_issubdomain(client->query.qname, &ip6int_name)) {
qclient = NULL;
ns_client_attach(client, &qclient);
synth_rev_start(qclient);
return;
if (dns_name_countlabels(client->query.qname) == 32 + 3 &&
dns_name_issubdomain(client->query.qname, &ip6int_name)) {
qclient = NULL;
ns_client_attach(client, &qclient);
synth_rev_start(qclient);
return;
}
}
}