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2233.   [func]          Add support for O(1) ACL processing, based on
                        radix tree code originally written by kevin
                        brintnall. [RT #16288]
This commit is contained in:
Mark Andrews
2007-09-14 01:46:06 +00:00
parent 4a0e09466a
commit 12e0477d4e
9 changed files with 242 additions and 195 deletions
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16
bin/named/sortlist.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: sortlist.c,v 1.16 2007/09/12 01:09:07 each Exp $ */
/* $Id: sortlist.c,v 1.17 2007/09/14 01:46:05 marka Exp $ */
/*! \file */
@@ -53,13 +53,17 @@ ns_sortlist_setup(dns_acl_t *acl, isc_netaddr_t *clientaddr,
if (e->type == dns_aclelementtype_nestedacl) {
dns_acl_t *inner = e->nestedacl;
if (inner->length < 1 || inner->length > 2)
if (inner->length == 0)
try_elt = e;
else if (inner->length > 2)
goto dont_sort;
if (inner->elements[0].negative)
else if (inner->elements[0].negative)
goto dont_sort;
try_elt = &inner->elements[0];
if (inner->length == 2)
order_elt = &inner->elements[1];
else {
try_elt = &inner->elements[0];
if (inner->length == 2)
order_elt = &inner->elements[1];
}
} else {
/*
* BIND 8 allows bare elements at the top level