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implement NAPTR additional data

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This commit is contained in:
Bob Halley 2000-01-07 02:44:27 +00:00
parent 7bb707a347
commit 1871fef050
1 changed files with 39 additions and 3 deletions
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42
lib/dns/rdata/in_1/naptr_35.c
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@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: naptr_35.c,v 1.14 1999/12/23 00:09:02 explorer Exp $ */
/* $Id: naptr_35.c,v 1.15 2000/01/07 02:44:27 halley Exp $ */
/* RFC 2168 */
@ -277,6 +277,12 @@ static inline isc_result_t
additionaldata_in_naptr(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
void *arg)
{
dns_name_t name;
isc_region_t sr;
dns_rdatatype_t atype;
unsigned int i, flagslen;
char *cp;
REQUIRE(rdata->type == 35);
REQUIRE(rdata->rdclass == 1);
@ -285,8 +291,38 @@ additionaldata_in_naptr(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
* processing for terminal NAPTRs.
*/
(void)add;
(void)arg;
/* priority, weight */
dns_rdata_toregion(rdata, &sr);
isc_region_consume(&sr, 4);
/* flags */
atype = 0;
flagslen = sr.base[0];
cp = (char *)&sr.base[1];
for (i = 0; i < flagslen; i++, cp++) {
if (*cp == 'S' || *cp == 's') {
atype = dns_rdatatype_srv;
break;
}
if (*cp == 'A' || *cp == 'a') {
atype = dns_rdatatype_a;
break;
}
}
isc_region_consume(&sr, flagslen + 1);
/* service */
isc_region_consume(&sr, sr.base[0] + 1);
/* regexp */
isc_region_consume(&sr, sr.base[0] + 1);
/* replacement */
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &sr);
if (atype != 0)
return ((add)(arg, &name, atype));
return (DNS_R_SUCCESS);
}