commit 2817edcae0ee214e8767f74be1beeb5dec73e26f
from: Martijn van Duren <martijn@openbsd.org>
date: Wed Mar 30 15:57:57 2022 UTC

osmtpd_ltok_skip_domain has obs-domain, which gives the wrong result.
Use the appropriate osmtpd_ltok_skip_sig_d_tag_value

commit - bf67701d74325549376e0acb32471f8bf6443a8e
commit + 2817edcae0ee214e8767f74be1beeb5dec73e26f
blob - 56769359272adef58a3724dacd44d88f83a54531
blob + 0dfd9a295c635a4809894cc834ccf5cd305bc391
--- main.c
+++ main.c
@@ -709,7 +709,7 @@ dkim_signature_parse_d(struct signature *sig, const ch
 		dkim_signature_state(sig, DKIM_PERMERROR, "Duplicate d tag");
 		return;
 	}
-	if (osmtpd_ltok_skip_domain(start, 0) != end ||
+	if (osmtpd_ltok_skip_sig_d_tag_value(start, 0) != end ||
 	    (size_t)(end - start) >= sizeof(sig->d)) {
 		dkim_signature_state(sig, DKIM_PERMERROR, "Invalid d tag");
 		return;