Fix handling of ISC_R_TIMEOUT in resume_qmin()

If a timeout occurs when sending a QMIN query, QNAME
minimization should be disabled. This now causes a hard
failure in strict mode, or a fallback to non-minimized queries
in relaxed mode.

diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index caf670b3ba27cc293a9dbe08c37ca19abf2e3978..c1f9579cacecb7521987834b73547e9b17092d99 100644 (file)
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -4241,6 +4241,7 @@ resume_qmin(void *arg) {
        case DNS_R_FORMERR:
        case DNS_R_REMOTEFORMERR:
        case ISC_R_FAILURE:
+       case ISC_R_TIMEDOUT:
                if ((fctx->options & DNS_FETCHOPT_QMIN_STRICT) != 0) {
                        /* These results cause a hard fail in strict mode */
                        goto cleanup;