mirror of
https://gitlab.isc.org/isc-projects/bind9
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1234. [bug] 'rrset-order' and 'sortlist' should be additive
not exclusive.
1223. [func] 'rrset-order' partially works 'cyclic' and 'random'
are supported.
This commit is contained in:
Mark Andrews
parent
df5e0316a7
commit
2dd99c098c
6
CHANGES
6
CHANGES
@ -1,3 +1,9 @@
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1234. [bug] 'rrset-order' and 'sortlist' should be additive
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not exclusive.
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1223. [func] 'rrset-order' partially works 'cyclic' and 'random'
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are supported.
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1222. [bug] Specifying 'port *' did not always result in a system
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selected (non-reserved) port being used. [RT #2537]
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: config.c,v 1.28 2002/03/06 23:52:38 marka Exp $ */
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/* $Id: config.c,v 1.29 2002/03/07 13:46:35 marka Exp $ */
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#include <config.h>
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@ -35,6 +35,7 @@
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#include <dns/fixedname.h>
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#include <dns/name.h>
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#include <dns/rdataclass.h>
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#include <dns/rdatatype.h>
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#include <dns/tsig.h>
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#include <dns/zone.h>
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@ -218,6 +219,27 @@ ns_config_getclass(cfg_obj_t *classobj, dns_rdataclass_t defclass,
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return (result);
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}
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isc_result_t
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ns_config_gettype(cfg_obj_t *typeobj, dns_rdatatype_t deftype,
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dns_rdatatype_t *typep) {
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char *str;
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isc_textregion_t r;
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isc_result_t result;
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if (!cfg_obj_isstring(typeobj)) {
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*typep = deftype;
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return (ISC_R_SUCCESS);
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}
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str = cfg_obj_asstring(typeobj);
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r.base = str;
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r.length = strlen(str);
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result = dns_rdatatype_fromtext(typep, &r);
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if (result != ISC_R_SUCCESS)
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cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
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"unknown type '%s'", str);
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return (result);
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}
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dns_zonetype_t
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ns_config_getzonetype(cfg_obj_t *zonetypeobj) {
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dns_zonetype_t ztype = dns_zone_none;
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: config.h,v 1.4 2001/08/09 17:21:06 gson Exp $ */
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/* $Id: config.h,v 1.5 2002/03/07 13:46:41 marka Exp $ */
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#ifndef NAMED_CONFIG_H
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#define NAMED_CONFIG_H 1
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@ -38,6 +38,10 @@ isc_result_t
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ns_config_getclass(cfg_obj_t *classobj, dns_rdataclass_t defclass,
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dns_rdataclass_t *classp);
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isc_result_t
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ns_config_gettype(cfg_obj_t *typeobj, dns_rdatatype_t deftype,
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dns_rdatatype_t *typep);
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dns_zonetype_t
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ns_config_getzonetype(cfg_obj_t *zonetypeobj);
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: query.c,v 1.217 2002/02/20 03:33:18 marka Exp $ */
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/* $Id: query.c,v 1.218 2002/03/07 13:46:38 marka Exp $ */
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#include <config.h>
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@ -29,6 +29,7 @@
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#include <dns/db.h>
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#include <dns/events.h>
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#include <dns/message.h>
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#include <dns/order.h>
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#include <dns/rdata.h>
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#include <dns/rdataclass.h>
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#include <dns/rdatalist.h>
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@ -1536,6 +1537,10 @@ query_addrdataset(ns_client_t *client, dns_name_t *fname,
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ISC_LIST_APPEND(fname->list, rdataset, link);
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if (client->view->order != NULL)
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rdataset->attributes |= dns_order_find(client->view->order,
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fname, rdataset->type,
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rdataset->rdclass);
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if (NOADDITIONAL(client))
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return;
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: server.c,v 1.371 2002/02/20 03:33:21 marka Exp $ */
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/* $Id: server.c,v 1.372 2002/03/07 13:46:40 marka Exp $ */
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#include <config.h>
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@ -47,8 +47,10 @@
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#include <dns/journal.h>
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#include <dns/keytable.h>
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#include <dns/master.h>
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#include <dns/order.h>
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#include <dns/peer.h>
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#include <dns/rdataclass.h>
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#include <dns/rdataset.h>
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#include <dns/rdatastruct.h>
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#include <dns/resolver.h>
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#include <dns/rootns.h>
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@ -404,6 +406,56 @@ get_view_querysource_dispatch(cfg_obj_t **maps,
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return (ISC_R_SUCCESS);
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}
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static isc_result_t
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configure_order(dns_order_t *order, cfg_obj_t *ent) {
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dns_rdataclass_t rdclass;
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dns_rdatatype_t rdtype;
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cfg_obj_t *obj;
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dns_fixedname_t fixed;
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unsigned int mode = 0;
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const char *str;
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isc_buffer_t b;
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isc_result_t result;
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result = ns_config_getclass(cfg_tuple_get(ent, "class"),
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dns_rdataclass_any, &rdclass);
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if (result != ISC_R_SUCCESS)
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return (result);
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result = ns_config_gettype(cfg_tuple_get(ent, "type"),
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dns_rdatatype_any, &rdtype);
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if (result != ISC_R_SUCCESS)
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return (result);
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obj = cfg_tuple_get(ent, "name");
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if (cfg_obj_isstring(obj))
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str = cfg_obj_asstring(obj);
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else
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str = "*";
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isc_buffer_init(&b, str, strlen(str));
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isc_buffer_add(&b, strlen(str));
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dns_fixedname_init(&fixed);
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result = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
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dns_rootname, ISC_FALSE, NULL);
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if (result != ISC_R_SUCCESS)
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return (result);
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obj = cfg_tuple_get(ent, "ordering");
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INSIST(cfg_obj_isstring(obj));
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str = cfg_obj_asstring(obj);
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if (!strcasecmp(str, "fixed"))
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mode = DNS_RDATASETATTR_FIXEDORDER;
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else if (!strcasecmp(str, "random"))
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mode = DNS_RDATASETATTR_RANDOMIZE;
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else if (!strcasecmp(str, "cyclic"))
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mode = 0;
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else
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INSIST(0);
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return (dns_order_add(order, dns_fixedname_name(&fixed),
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rdtype, rdclass, mode));
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}
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static isc_result_t
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configure_peer(cfg_obj_t *cpeer, isc_mem_t *mctx, dns_peer_t **peerp) {
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isc_sockaddr_t *sa;
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@ -510,6 +562,7 @@ configure_view(dns_view_t *view, cfg_obj_t *config, cfg_obj_t *vconfig,
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isc_boolean_t reused_cache = ISC_FALSE;
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int i;
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char *str;
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dns_order_t *order = NULL;
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REQUIRE(DNS_VIEW_VALID(view));
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@ -741,6 +794,28 @@ configure_view(dns_view_t *view, cfg_obj_t *config, cfg_obj_t *vconfig,
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view->peers = newpeers; /* Transfer ownership. */
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}
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/*
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* Configure the views rrset-order.
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*/
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{
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cfg_obj_t *rrsetorder = NULL;
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cfg_listelt_t *element;
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(void)ns_config_get(maps, "rrset-order", &rrsetorder);
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CHECK(dns_order_create(mctx, &order));
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for (element = cfg_list_first(rrsetorder);
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element != NULL;
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element = cfg_list_next(element))
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{
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cfg_obj_t *ent = cfg_listelt_value(element);
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CHECK(configure_order(order, ent));
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}
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if (view->order != NULL)
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dns_order_detach(&view->order);
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dns_order_attach(order, &view->order);
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dns_order_detach(&order);
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}
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/*
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* Copy the aclenv object.
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*/
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@ -863,6 +938,8 @@ configure_view(dns_view_t *view, cfg_obj_t *config, cfg_obj_t *vconfig,
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result = ISC_R_SUCCESS;
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cleanup:
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if (order != NULL)
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dns_order_detach(&order);
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if (cmctx != NULL)
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isc_mem_detach(&cmctx);
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: view.h,v 1.76 2001/11/27 04:06:15 marka Exp $ */
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/* $Id: view.h,v 1.77 2002/03/07 13:46:34 marka Exp $ */
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#ifndef DNS_VIEW_H
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#define DNS_VIEW_H 1
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@ -100,6 +100,7 @@ struct dns_view {
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dns_tsig_keyring_t * statickeys;
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dns_tsig_keyring_t * dynamickeys;
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dns_peerlist_t * peers;
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dns_order_t * order;
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dns_fwdtable_t * fwdtable;
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isc_boolean_t recursion;
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isc_boolean_t auth_nxdomain;
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: order.c,v 1.2 2002/03/07 07:48:46 bwelling Exp $ */
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/* $Id: order.c,v 1.3 2002/03/07 13:46:30 marka Exp $ */
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#include <isc/magic.h>
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#include <isc/mem.h>
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@ -63,6 +63,7 @@ dns_order_create(isc_mem_t *mctx, dns_order_t **orderp) {
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order->mctx = NULL;
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isc_mem_attach(mctx, &order->mctx);
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order->magic = DNS_ORDER_MAGIC;
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*orderp = order;
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return (ISC_R_SUCCESS);
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}
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: rdataset.c,v 1.61 2002/02/20 03:34:18 marka Exp $ */
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/* $Id: rdataset.c,v 1.62 2002/03/07 13:46:31 marka Exp $ */
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#include <config.h>
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@ -256,6 +256,7 @@ dns_rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata) {
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#define MAX_SHUFFLE 32
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#define WANT_FIXED(r) (((r)->attributes & DNS_RDATASETATTR_FIXEDORDER) != 0)
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#define WANT_RANDOM(r) (((r)->attributes & DNS_RDATASETATTR_RANDOMIZE) != 0)
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struct towire_sort {
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int key;
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@ -279,7 +280,7 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
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dns_rdata_t rdata = DNS_RDATA_INIT;
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isc_region_t r;
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isc_result_t result;
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unsigned int i, count, added;
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unsigned int i, count, added, choice;
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isc_buffer_t savedbuffer, rdlen, rrbuffer;
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unsigned int headlen;
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isc_boolean_t question = ISC_FALSE;
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@ -330,7 +331,7 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
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*/
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if (!question &&
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count > 1 &&
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!WANT_FIXED(rdataset) &&
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(!WANT_FIXED(rdataset) || order != NULL) &&
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count <= MAX_SHUFFLE &&
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rdataset->type != dns_rdatatype_sig)
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{
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@ -349,26 +350,47 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
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if (result != ISC_R_NOMORE)
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return (result);
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INSIST(i == count);
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/*
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* Now we shuffle.
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*/
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if (order != NULL) {
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if (WANT_FIXED(rdataset)) {
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/*
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* Sorted order.
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* 'Fixed' order.
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*/
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INSIST(order != NULL);
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for (i = 0; i < count; i++) {
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sorted[i].key = (*order)(&shuffled[i],
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order_arg);
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sorted[i].rdata = &shuffled[i];
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}
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qsort(sorted, count, sizeof(sorted[0]),
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towire_compare);
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} else if (WANT_RANDOM(rdataset)) {
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/*
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* 'Random' order.
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*/
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for (i = 0; i < count; i++) {
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dns_rdata_t rdata;
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choice = i + (((u_int)rand()>>3) % (count - i));
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rdata = shuffled[i];
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shuffled[i] = shuffled[choice];
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shuffled[choice] = rdata;
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if (order != NULL)
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sorted[i].key = (*order)(&shuffled[i],
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order_arg);
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else
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sorted[i].key = 0; /* Unused */
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sorted[i].rdata = &shuffled[i];
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}
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} else {
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/*
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* "Cyclic" order.
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*/
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unsigned int j = (((unsigned int)rand()) >> 3) % count;
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for (i = 0; i < count; i++) {
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if (order != NULL)
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sorted[i].key = (*order)(&shuffled[i],
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order_arg);
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else
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sorted[j].key = 0; /* Unused */
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sorted[j].rdata = &shuffled[i];
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j++;
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@ -376,6 +398,13 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
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j = 0; /* Wrap around. */
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}
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}
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/*
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* Sorted order.
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*/
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if (order != NULL)
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qsort(sorted, count, sizeof(sorted[0]),
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towire_compare);
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}
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savedbuffer = *target;
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@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: view.c,v 1.109 2001/11/30 01:59:23 gson Exp $ */
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/* $Id: view.c,v 1.110 2002/03/07 13:46:33 marka Exp $ */
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#include <config.h>
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@ -32,6 +32,7 @@
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#include <dns/keytable.h>
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#include <dns/master.h>
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#include <dns/masterdump.h>
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#include <dns/order.h>
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#include <dns/peer.h>
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#include <dns/rdataset.h>
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#include <dns/request.h>
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@ -139,6 +140,7 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
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if (result != ISC_R_SUCCESS)
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goto cleanup_fwdtable;
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view->peers = NULL;
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view->order = NULL;
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/*
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* Initialize configuration data with default values.
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@ -159,10 +161,14 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
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view->maxncachettl = 3 * 3600;
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view->dstport = 53;
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result = dns_peerlist_new(view->mctx, &view->peers);
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result = dns_order_create(view->mctx, &view->order);
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if (result != ISC_R_SUCCESS)
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goto cleanup_dynkeys;
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result = dns_peerlist_new(view->mctx, &view->peers);
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if (result != ISC_R_SUCCESS)
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goto cleanup_order;
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result = dns_aclenv_init(view->mctx, &view->aclenv);
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if (result != ISC_R_SUCCESS)
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goto cleanup_peerlist;
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@ -186,6 +192,9 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
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cleanup_peerlist:
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dns_peerlist_detach(&view->peers);
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cleanup_order:
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dns_order_detach(&view->order);
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cleanup_dynkeys:
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dns_tsigkeyring_destroy(&view->dynamickeys);
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@ -222,6 +231,8 @@ destroy(dns_view_t *view) {
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REQUIRE(ADBSHUTDOWN(view));
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REQUIRE(REQSHUTDOWN(view));
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|
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if (view->order != NULL)
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dns_order_detach(&view->order);
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if (view->peers != NULL)
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dns_peerlist_detach(&view->peers);
|
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if (view->dynamickeys != NULL)
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|
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