hints: make it work with non-lowercased hints

https://forum.turris.cz/t/solved-hints-not-working-on-kresd/2974

diff --git a/modules/hints/hints.c b/modules/hints/hints.c
index aa526a3ad933b72e06c34c4122638cffc492fc8c..c1042adb38da1dd3bad1ad07f761e807f3d8d10c 100644 (file)
--- a/modules/hints/hints.c
+++ b/modules/hints/hints.c
@@ -242,6 +242,10 @@ static int add_pair(struct kr_zonecut *hints, const char *name, const char *addr
        if (!knot_dname_from_str(key, name, sizeof(key))) {
                return kr_error(EINVAL);
        }
+       int ret = knot_dname_to_lower(key);
+       if (ret) {
+               return ret;
+       }
        const knot_rdata_t *rdata = addr2rdata(addr);
        if (!rdata) {
                return kr_error(EINVAL);