diff options
Diffstat (limited to 'contrib/bind9/lib/dns/rdatalist.c')
| -rw-r--r-- | contrib/bind9/lib/dns/rdatalist.c | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/contrib/bind9/lib/dns/rdatalist.c b/contrib/bind9/lib/dns/rdatalist.c deleted file mode 100644 index 63d8b11..0000000 --- a/contrib/bind9/lib/dns/rdatalist.c +++ /dev/null @@ -1,369 +0,0 @@ -/* - * Copyright (C) 2004, 2005, 2007, 2008, 2010-2012 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2001, 2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or 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. - */ - -/* $Id$ */ - -/*! \file */ - -#include <config.h> - -#include <stddef.h> - -#include <isc/util.h> - -#include <dns/name.h> -#include <dns/nsec3.h> -#include <dns/rdata.h> -#include <dns/rdatalist.h> -#include <dns/rdataset.h> - -#include "rdatalist_p.h" - -static dns_rdatasetmethods_t methods = { - isc__rdatalist_disassociate, - isc__rdatalist_first, - isc__rdatalist_next, - isc__rdatalist_current, - isc__rdatalist_clone, - isc__rdatalist_count, - isc__rdatalist_addnoqname, - isc__rdatalist_getnoqname, - isc__rdatalist_addclosest, - isc__rdatalist_getclosest, - NULL, - NULL, - NULL, - NULL, - NULL -}; - -void -dns_rdatalist_init(dns_rdatalist_t *rdatalist) { - - REQUIRE(rdatalist != NULL); - - /* - * Initialize rdatalist. - */ - - rdatalist->rdclass = 0; - rdatalist->type = 0; - rdatalist->covers = 0; - rdatalist->ttl = 0; - ISC_LIST_INIT(rdatalist->rdata); - ISC_LINK_INIT(rdatalist, link); -} - -isc_result_t -dns_rdatalist_tordataset(dns_rdatalist_t *rdatalist, - dns_rdataset_t *rdataset) -{ - /* - * Make 'rdataset' refer to the rdata in 'rdatalist'. - */ - - REQUIRE(rdatalist != NULL); - REQUIRE(DNS_RDATASET_VALID(rdataset)); - REQUIRE(! dns_rdataset_isassociated(rdataset)); - - rdataset->methods = &methods; - rdataset->rdclass = rdatalist->rdclass; - rdataset->type = rdatalist->type; - rdataset->covers = rdatalist->covers; - rdataset->ttl = rdatalist->ttl; - rdataset->trust = 0; - rdataset->private1 = rdatalist; - rdataset->private2 = NULL; - rdataset->private3 = NULL; - rdataset->privateuint4 = 0; - rdataset->private5 = NULL; - - return (ISC_R_SUCCESS); -} - -isc_result_t -dns_rdatalist_fromrdataset(dns_rdataset_t *rdataset, - dns_rdatalist_t **rdatalist) -{ - REQUIRE(rdatalist != NULL && rdataset != NULL); - *rdatalist = rdataset->private1; - - return (ISC_R_SUCCESS); -} - -void -isc__rdatalist_disassociate(dns_rdataset_t *rdataset) { - UNUSED(rdataset); -} - -isc_result_t -isc__rdatalist_first(dns_rdataset_t *rdataset) { - dns_rdatalist_t *rdatalist; - - rdatalist = rdataset->private1; - rdataset->private2 = ISC_LIST_HEAD(rdatalist->rdata); - - if (rdataset->private2 == NULL) - return (ISC_R_NOMORE); - - return (ISC_R_SUCCESS); -} - -isc_result_t -isc__rdatalist_next(dns_rdataset_t *rdataset) { - dns_rdata_t *rdata; - - REQUIRE(rdataset != NULL); - - rdata = rdataset->private2; - if (rdata == NULL) - return (ISC_R_NOMORE); - - rdataset->private2 = ISC_LIST_NEXT(rdata, link); - - if (rdataset->private2 == NULL) - return (ISC_R_NOMORE); - - return (ISC_R_SUCCESS); -} - -void -isc__rdatalist_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata) { - dns_rdata_t *list_rdata; - - REQUIRE(rdataset != NULL); - - list_rdata = rdataset->private2; - INSIST(list_rdata != NULL); - - dns_rdata_clone(list_rdata, rdata); -} - -void -isc__rdatalist_clone(dns_rdataset_t *source, dns_rdataset_t *target) { - - REQUIRE(source != NULL); - REQUIRE(target != NULL); - - *target = *source; - - /* - * Reset iterator state. - */ - target->private2 = NULL; -} - -unsigned int -isc__rdatalist_count(dns_rdataset_t *rdataset) { - dns_rdatalist_t *rdatalist; - dns_rdata_t *rdata; - unsigned int count; - - REQUIRE(rdataset != NULL); - - rdatalist = rdataset->private1; - - count = 0; - for (rdata = ISC_LIST_HEAD(rdatalist->rdata); - rdata != NULL; - rdata = ISC_LIST_NEXT(rdata, link)) - count++; - - return (count); -} - -isc_result_t -isc__rdatalist_addnoqname(dns_rdataset_t *rdataset, dns_name_t *name) { - dns_rdataset_t *neg = NULL; - dns_rdataset_t *negsig = NULL; - dns_rdataset_t *rdset; - dns_ttl_t ttl; - - REQUIRE(rdataset != NULL); - - for (rdset = ISC_LIST_HEAD(name->list); - rdset != NULL; - rdset = ISC_LIST_NEXT(rdset, link)) - { - if (rdset->rdclass != rdataset->rdclass) - continue; - if (rdset->type == dns_rdatatype_nsec || - rdset->type == dns_rdatatype_nsec3) - neg = rdset; - } - if (neg == NULL) - return (ISC_R_NOTFOUND); - - for (rdset = ISC_LIST_HEAD(name->list); - rdset != NULL; - rdset = ISC_LIST_NEXT(rdset, link)) - { - if (rdset->type == dns_rdatatype_rrsig && - rdset->covers == neg->type) - negsig = rdset; - } - - if (negsig == NULL) - return (ISC_R_NOTFOUND); - /* - * Minimise ttl. - */ - ttl = rdataset->ttl; - if (neg->ttl < ttl) - ttl = neg->ttl; - if (negsig->ttl < ttl) - ttl = negsig->ttl; - rdataset->ttl = neg->ttl = negsig->ttl = ttl; - rdataset->attributes |= DNS_RDATASETATTR_NOQNAME; - rdataset->private6 = name; - return (ISC_R_SUCCESS); -} - -isc_result_t -isc__rdatalist_getnoqname(dns_rdataset_t *rdataset, dns_name_t *name, - dns_rdataset_t *neg, dns_rdataset_t *negsig) -{ - dns_rdataclass_t rdclass = rdataset->rdclass; - dns_rdataset_t *tneg = NULL; - dns_rdataset_t *tnegsig = NULL; - dns_name_t *noqname = rdataset->private6; - - REQUIRE(rdataset != NULL); - REQUIRE((rdataset->attributes & DNS_RDATASETATTR_NOQNAME) != 0); - - (void)dns_name_dynamic(noqname); /* Sanity Check. */ - - for (rdataset = ISC_LIST_HEAD(noqname->list); - rdataset != NULL; - rdataset = ISC_LIST_NEXT(rdataset, link)) - { - if (rdataset->rdclass != rdclass) - continue; - if (rdataset->type == dns_rdatatype_nsec || - rdataset->type == dns_rdatatype_nsec3) - tneg = rdataset; - } - if (tneg == NULL) - return (ISC_R_NOTFOUND); - - for (rdataset = ISC_LIST_HEAD(noqname->list); - rdataset != NULL; - rdataset = ISC_LIST_NEXT(rdataset, link)) - { - if (rdataset->type == dns_rdatatype_rrsig && - rdataset->covers == tneg->type) - tnegsig = rdataset; - } - if (tnegsig == NULL) - return (ISC_R_NOTFOUND); - - dns_name_clone(noqname, name); - dns_rdataset_clone(tneg, neg); - dns_rdataset_clone(tnegsig, negsig); - return (ISC_R_SUCCESS); -} - -isc_result_t -isc__rdatalist_addclosest(dns_rdataset_t *rdataset, dns_name_t *name) { - dns_rdataset_t *neg = NULL; - dns_rdataset_t *negsig = NULL; - dns_rdataset_t *rdset; - dns_ttl_t ttl; - - REQUIRE(rdataset != NULL); - - for (rdset = ISC_LIST_HEAD(name->list); - rdset != NULL; - rdset = ISC_LIST_NEXT(rdset, link)) - { - if (rdset->rdclass != rdataset->rdclass) - continue; - if (rdset->type == dns_rdatatype_nsec || - rdset->type == dns_rdatatype_nsec3) - neg = rdset; - } - if (neg == NULL) - return (ISC_R_NOTFOUND); - - for (rdset = ISC_LIST_HEAD(name->list); - rdset != NULL; - rdset = ISC_LIST_NEXT(rdset, link)) - { - if (rdset->type == dns_rdatatype_rrsig && - rdset->covers == neg->type) - negsig = rdset; - } - - if (negsig == NULL) - return (ISC_R_NOTFOUND); - /* - * Minimise ttl. - */ - ttl = rdataset->ttl; - if (neg->ttl < ttl) - ttl = neg->ttl; - if (negsig->ttl < ttl) - ttl = negsig->ttl; - rdataset->ttl = neg->ttl = negsig->ttl = ttl; - rdataset->attributes |= DNS_RDATASETATTR_CLOSEST; - rdataset->private7 = name; - return (ISC_R_SUCCESS); -} - -isc_result_t -isc__rdatalist_getclosest(dns_rdataset_t *rdataset, dns_name_t *name, - dns_rdataset_t *neg, dns_rdataset_t *negsig) -{ - dns_rdataclass_t rdclass = rdataset->rdclass; - dns_rdataset_t *tneg = NULL; - dns_rdataset_t *tnegsig = NULL; - dns_name_t *closest = rdataset->private7; - - REQUIRE(rdataset != NULL); - REQUIRE((rdataset->attributes & DNS_RDATASETATTR_CLOSEST) != 0); - - (void)dns_name_dynamic(closest); /* Sanity Check. */ - - for (rdataset = ISC_LIST_HEAD(closest->list); - rdataset != NULL; - rdataset = ISC_LIST_NEXT(rdataset, link)) - { - if (rdataset->rdclass != rdclass) - continue; - if (rdataset->type == dns_rdatatype_nsec || - rdataset->type == dns_rdatatype_nsec3) - tneg = rdataset; - } - if (tneg == NULL) - return (ISC_R_NOTFOUND); - - for (rdataset = ISC_LIST_HEAD(closest->list); - rdataset != NULL; - rdataset = ISC_LIST_NEXT(rdataset, link)) - { - if (rdataset->type == dns_rdatatype_rrsig && - rdataset->covers == tneg->type) - tnegsig = rdataset; - } - if (tnegsig == NULL) - return (ISC_R_NOTFOUND); - - dns_name_clone(closest, name); - dns_rdataset_clone(tneg, neg); - dns_rdataset_clone(tnegsig, negsig); - return (ISC_R_SUCCESS); -} |
