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Code Issues Releases Wiki Activity

Wildcard NS records are not conceptually allowed by RFC 103[45].

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This commit is contained in:
Mark Andrews
2000-06-09 06:03:47 +00:00
parent ce1b0e505e
commit bcff319811
3 changed files with 8 additions and 2 deletions
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2
lib/dns/include/dns/result.h
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@@ -40,7 +40,7 @@
#define DNS_R_BITSTRINGTOOLONG (ISC_RESULTCLASS_DNS + 3) #define DNS_R_BITSTRINGTOOLONG (ISC_RESULTCLASS_DNS + 3)
#define DNS_R_EMPTYLABEL (ISC_RESULTCLASS_DNS + 4) #define DNS_R_EMPTYLABEL (ISC_RESULTCLASS_DNS + 4)
#define DNS_R_BADDOTTEDQUAD (ISC_RESULTCLASS_DNS + 5) #define DNS_R_BADDOTTEDQUAD (ISC_RESULTCLASS_DNS + 5)
/* 6 is unused */ #define DNS_R_INVALIDNS (ISC_RESULTCLASS_DNS + 6)
#define DNS_R_UNKNOWN (ISC_RESULTCLASS_DNS + 7) #define DNS_R_UNKNOWN (ISC_RESULTCLASS_DNS + 7)
#define DNS_R_BADLABELTYPE (ISC_RESULTCLASS_DNS + 8) #define DNS_R_BADLABELTYPE (ISC_RESULTCLASS_DNS + 8)
#define DNS_R_BADPOINTER (ISC_RESULTCLASS_DNS + 9) #define DNS_R_BADPOINTER (ISC_RESULTCLASS_DNS + 9)

6
lib/dns/rbtdb.c
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@@ -3585,6 +3585,12 @@ loading_addrdataset(void *arg, dns_name_t *name, dns_rdataset_t *rdataset) {
*/ */
if (dns_name_iswildcard(name)) { if (dns_name_iswildcard(name)) {
/*
* NS record owners cannot legally be wild cards.
*/
if (rdataset->type == dns_rdatatype_ns)
return (DNS_R_INVALIDNS);
/* /*
* In order for wildcard matching to work correctly in * In order for wildcard matching to work correctly in
* zone_find(), we must ensure that a node for the wildcarding * zone_find(), we must ensure that a node for the wildcarding

2
lib/dns/result.c
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@@ -30,7 +30,7 @@ static const char *text[DNS_R_NRESULTS] = {
"bitstring too long", /* 3 */ "bitstring too long", /* 3 */
"empty label", /* 4 */ "empty label", /* 4 */
"bad dotted quad", /* 5 */ "bad dotted quad", /* 5 */
"UNUSED6", /* 6 */ "invalid NS owner name (wildcard)", /* 6 */
"unknown class/type", /* 7 */ "unknown class/type", /* 7 */
"bad label type", /* 8 */ "bad label type", /* 8 */
"bad compression pointer", /* 9 */ "bad compression pointer", /* 9 */