diff options
Diffstat (limited to 'contrib/bind9/lib/dns/rdata.c')
| -rw-r--r-- | contrib/bind9/lib/dns/rdata.c | 143 |
1 files changed, 124 insertions, 19 deletions
diff --git a/contrib/bind9/lib/dns/rdata.c b/contrib/bind9/lib/dns/rdata.c index daaa83ac4afc..c282b033cfc8 100644 --- a/contrib/bind9/lib/dns/rdata.c +++ b/contrib/bind9/lib/dns/rdata.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009, 2011 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rdata.c,v 1.199.50.4 2011-01-13 04:48:21 tbox Exp $ */ +/* $Id: rdata.c,v 1.209 2011-01-13 04:59:25 tbox Exp $ */ /*! \file */ @@ -38,6 +38,7 @@ #include <dns/enumtype.h> #include <dns/keyflags.h> #include <dns/keyvalues.h> +#include <dns/message.h> #include <dns/rcode.h> #include <dns/rdata.h> #include <dns/rdataclass.h> @@ -275,23 +276,6 @@ dns_rdata_init(dns_rdata_t *rdata) { /* ISC_LIST_INIT(rdata->list); */ } -#if 1 -#define DNS_RDATA_INITIALIZED(rdata) \ - ((rdata)->data == NULL && (rdata)->length == 0 && \ - (rdata)->rdclass == 0 && (rdata)->type == 0 && (rdata)->flags == 0 && \ - !ISC_LINK_LINKED((rdata), link)) -#else -#ifdef ISC_LIST_CHECKINIT -#define DNS_RDATA_INITIALIZED(rdata) \ - (!ISC_LINK_LINKED((rdata), link)) -#else -#define DNS_RDATA_INITIALIZED(rdata) ISC_TRUE -#endif -#endif - -#define DNS_RDATA_VALIDFLAGS(rdata) \ - (((rdata)->flags & ~(DNS_RDATA_UPDATE|DNS_RDATA_OFFLINE)) == 0) - void dns_rdata_reset(dns_rdata_t *rdata) { @@ -365,6 +349,37 @@ dns_rdata_compare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) { return (result); } +int +dns_rdata_casecompare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) { + int result = 0; + isc_boolean_t use_default = ISC_FALSE; + + REQUIRE(rdata1 != NULL); + REQUIRE(rdata2 != NULL); + REQUIRE(rdata1->data != NULL); + REQUIRE(rdata2->data != NULL); + REQUIRE(DNS_RDATA_VALIDFLAGS(rdata1)); + REQUIRE(DNS_RDATA_VALIDFLAGS(rdata2)); + + if (rdata1->rdclass != rdata2->rdclass) + return (rdata1->rdclass < rdata2->rdclass ? -1 : 1); + + if (rdata1->type != rdata2->type) + return (rdata1->type < rdata2->type ? -1 : 1); + + CASECOMPARESWITCH + + if (use_default) { + isc_region_t r1; + isc_region_t r2; + + dns_rdata_toregion(rdata1, &r1); + dns_rdata_toregion(rdata2, &r2); + result = isc_region_compare(&r1, &r2); + } + return (result); +} + /*** *** Conversions ***/ @@ -1772,3 +1787,93 @@ dns_rdatatype_isknown(dns_rdatatype_t type) { return (ISC_TRUE); return (ISC_FALSE); } + +void +dns_rdata_exists(dns_rdata_t *rdata, dns_rdatatype_t type) { + + REQUIRE(rdata != NULL); + REQUIRE(DNS_RDATA_INITIALIZED(rdata)); + + rdata->data = NULL; + rdata->length = 0; + rdata->flags = DNS_RDATA_UPDATE; + rdata->type = type; + rdata->rdclass = dns_rdataclass_any; +} + +void +dns_rdata_notexist(dns_rdata_t *rdata, dns_rdatatype_t type) { + + REQUIRE(rdata != NULL); + REQUIRE(DNS_RDATA_INITIALIZED(rdata)); + + rdata->data = NULL; + rdata->length = 0; + rdata->flags = DNS_RDATA_UPDATE; + rdata->type = type; + rdata->rdclass = dns_rdataclass_none; +} + +void +dns_rdata_deleterrset(dns_rdata_t *rdata, dns_rdatatype_t type) { + + REQUIRE(rdata != NULL); + REQUIRE(DNS_RDATA_INITIALIZED(rdata)); + + rdata->data = NULL; + rdata->length = 0; + rdata->flags = DNS_RDATA_UPDATE; + rdata->type = type; + rdata->rdclass = dns_rdataclass_any; +} + +void +dns_rdata_makedelete(dns_rdata_t *rdata) { + REQUIRE(rdata != NULL); + + rdata->rdclass = dns_rdataclass_none; +} + +const char * +dns_rdata_updateop(dns_rdata_t *rdata, dns_section_t section) { + + REQUIRE(rdata != NULL); + REQUIRE(DNS_RDATA_INITIALIZED(rdata)); + + switch (section) { + case DNS_SECTION_PREREQUISITE: + switch (rdata->rdclass) { + case dns_rdataclass_none: + switch (rdata->type) { + case dns_rdatatype_any: + return ("domain doesn't exist"); + default: + return ("rrset doesn't exist"); + } + case dns_rdataclass_any: + switch (rdata->type) { + case dns_rdatatype_any: + return ("domain exists"); + default: + return ("rrset exists (value independent)"); + } + default: + return ("rrset exists (value dependent)"); + } + case DNS_SECTION_UPDATE: + switch (rdata->rdclass) { + case dns_rdataclass_none: + return ("delete"); + case dns_rdataclass_any: + switch (rdata->type) { + case dns_rdatatype_any: + return ("delete all rrsets"); + default: + return ("delete rrset"); + } + default: + return ("add"); + } + } + return ("invalid"); +} |