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In rctx_answer return DNS_R_DELEGATION on NOFOLLOW

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When DNS_FETCHOPT_NOFOLLOW is set DNS_R_DELEGATION needs to be
returned to restart the resolution process rather than converting
it to ISC_R_SUCCESS.
This commit is contained in:
Mark Andrews
2023-06-28 11:48:32 +10:00
parent 80bc0ee075
commit ea11650376
1 changed files with 11 additions and 2 deletions
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lib/dns/resolver.c
+11 -2
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@@ -7615,7 +7615,8 @@ resquery_response(isc_result_t eresult, isc_region_t *region, void *arg) {
break;
case DNS_R_DELEGATION:
/*
* With NOFOLLOW we want to pass the result code.
* With NOFOLLOW we want to pass return
* DNS_R_DELEGATION to resume_qmin.
*/
if ((fctx->options & DNS_FETCHOPT_NOFOLLOW) == 0) {
result = ISC_R_SUCCESS;
@@ -8156,6 +8157,14 @@ rctx_answer(respctx_t *rctx) {
}
if (result == DNS_R_DELEGATION) {
/*
* With NOFOLLOW we want to return DNS_R_DELEGATION to
* resume_qmin.
*/
if ((rctx->fctx->options & DNS_FETCHOPT_NOFOLLOW) != 0)
{
return (result);
}
result = ISC_R_SUCCESS;
} else {
/*
@@ -8197,7 +8206,7 @@ rctx_answer_positive(respctx_t *rctx) {
isc_result_t result;
fetchctx_t *fctx = rctx->fctx;
FCTXTRACE("rctx_answer");
FCTXTRACE("rctx_answer_positive");
rctx_answer_init(rctx);
rctx_answer_scan(rctx);