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2801. [func] Detect and report records that are different according

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to DNSSEC but are sematically equal according to plain
                        DNS.  Apply plain DNS comparisons rather than DNSSEC
                        comparisons when processing UPDATE requests.
                        dnssec-signzone now removes such semantically duplicate
                        records prior to signing the RRset.

                        named-checkzone -r {ignore|warn|fail} (default warn)
                        named-compilezone -r {ignore|warn|fail} (default warn)

                        named.conf: check-dup-records {ignore|warn|fail};
This commit is contained in:
Mark Andrews
2009-12-04 21:09:34 +00:00
parent e438e29354
commit 3d17a3ba61
73 changed files with 956 additions and 88 deletions
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33
lib/dns/rdata.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rdata.c,v 1.203 2009/10/08 23:13:07 marka Exp $ */
/* $Id: rdata.c,v 1.204 2009/12/04 21:09:33 marka Exp $ */
/*! \file */
@@ -349,6 +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
***/