diff options
Diffstat (limited to 'contrib/bind9/lib/dns/order.c')
| -rw-r--r-- | contrib/bind9/lib/dns/order.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/contrib/bind9/lib/dns/order.c b/contrib/bind9/lib/dns/order.c deleted file mode 100644 index 1d216b7..0000000 --- a/contrib/bind9/lib/dns/order.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2002 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: order.c,v 1.5.18.3 2005/07/12 01:22:21 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <isc/magic.h> -#include <isc/mem.h> -#include <isc/types.h> -#include <isc/util.h> -#include <isc/refcount.h> - -#include <dns/fixedname.h> -#include <dns/name.h> -#include <dns/order.h> -#include <dns/rdataset.h> -#include <dns/types.h> - -typedef struct dns_order_ent dns_order_ent_t; -struct dns_order_ent { - dns_fixedname_t name; - dns_rdataclass_t rdclass; - dns_rdatatype_t rdtype; - unsigned int mode; - ISC_LINK(dns_order_ent_t) link; -}; - -struct dns_order { - unsigned int magic; - isc_refcount_t references; - ISC_LIST(dns_order_ent_t) ents; - isc_mem_t *mctx; -}; - -#define DNS_ORDER_MAGIC ISC_MAGIC('O','r','d','r') -#define DNS_ORDER_VALID(order) ISC_MAGIC_VALID(order, DNS_ORDER_MAGIC) - -isc_result_t -dns_order_create(isc_mem_t *mctx, dns_order_t **orderp) { - dns_order_t *order; - isc_result_t result; - - REQUIRE(orderp != NULL && *orderp == NULL); - - order = isc_mem_get(mctx, sizeof(*order)); - if (order == NULL) - return (ISC_R_NOMEMORY); - - ISC_LIST_INIT(order->ents); - - /* Implicit attach. */ - result = isc_refcount_init(&order->references, 1); - if (result != ISC_R_SUCCESS) { - isc_mem_put(mctx, order, sizeof(*order)); - return (result); - } - - order->mctx = NULL; - isc_mem_attach(mctx, &order->mctx); - order->magic = DNS_ORDER_MAGIC; - *orderp = order; - return (ISC_R_SUCCESS); -} - -isc_result_t -dns_order_add(dns_order_t *order, dns_name_t *name, - dns_rdatatype_t rdtype, dns_rdataclass_t rdclass, - unsigned int mode) -{ - dns_order_ent_t *ent; - - REQUIRE(DNS_ORDER_VALID(order)); - REQUIRE(mode == DNS_RDATASETATTR_RANDOMIZE || - mode == DNS_RDATASETATTR_FIXEDORDER || - mode == 0 /* DNS_RDATASETATTR_CYCLIC */ ); - - ent = isc_mem_get(order->mctx, sizeof(*ent)); - if (ent == NULL) - return (ISC_R_NOMEMORY); - - dns_fixedname_init(&ent->name); - RUNTIME_CHECK(dns_name_copy(name, dns_fixedname_name(&ent->name), NULL) - == ISC_R_SUCCESS); - ent->rdtype = rdtype; - ent->rdclass = rdclass; - ent->mode = mode; - ISC_LINK_INIT(ent, link); - ISC_LIST_INITANDAPPEND(order->ents, ent, link); - return (ISC_R_SUCCESS); -} - -static inline isc_boolean_t -match(dns_name_t *name1, dns_name_t *name2) { - - if (dns_name_iswildcard(name2)) - return(dns_name_matcheswildcard(name1, name2)); - return (dns_name_equal(name1, name2)); -} - -unsigned int -dns_order_find(dns_order_t *order, dns_name_t *name, - dns_rdatatype_t rdtype, dns_rdataclass_t rdclass) -{ - dns_order_ent_t *ent; - REQUIRE(DNS_ORDER_VALID(order)); - - for (ent = ISC_LIST_HEAD(order->ents); - ent != NULL; - ent = ISC_LIST_NEXT(ent, link)) { - if (ent->rdtype != rdtype && ent->rdtype != dns_rdatatype_any) - continue; - if (ent->rdclass != rdclass && - ent->rdclass != dns_rdataclass_any) - continue; - if (match(name, dns_fixedname_name(&ent->name))) - return (ent->mode); - } - return (0); -} - -void -dns_order_attach(dns_order_t *source, dns_order_t **target) { - REQUIRE(DNS_ORDER_VALID(source)); - REQUIRE(target != NULL && *target == NULL); - isc_refcount_increment(&source->references, NULL); - *target = source; -} - -void -dns_order_detach(dns_order_t **orderp) { - dns_order_t *order; - dns_order_ent_t *ent; - unsigned int references; - - REQUIRE(orderp != NULL); - order = *orderp; - REQUIRE(DNS_ORDER_VALID(order)); - isc_refcount_decrement(&order->references, &references); - *orderp = NULL; - if (references != 0) - return; - - order->magic = 0; - while ((ent = ISC_LIST_HEAD(order->ents)) != NULL) { - ISC_LIST_UNLINK(order->ents, ent, link); - isc_mem_put(order->mctx, ent, sizeof(*ent)); - } - isc_refcount_destroy(&order->references); - isc_mem_putanddetach(&order->mctx, order, sizeof(*order)); -} |
