fix cert name display

Author: mxsasha

checks/tasks/tls/scans.py

@@ -332,13 +332,8 @@ def cert_checks(hostname, mode, task, af_ip_pair=None, dane_cb_data=None, *args,
 
         # Extract all names from a certificate, taken from sslyze' _cert_chain_analyzer.py
         subj_alt_name_ext = parse_subject_alternative_name_extension(leaf_cert)
-        subj_alt_name_as_list = [("DNS", name) for name in subj_alt_name_ext.dns_names]
-        subj_alt_name_as_list.extend([("IP Address", ip) for ip in subj_alt_name_ext.ip_addresses])
-        certificate_names = {
-            "subject": (tuple([("commonName", name) for name in get_common_names(leaf_cert.subject)]),),
-            "subjectAltName": tuple(subj_alt_name_as_list),
-        }
-        hostmatch_bad = certificate_names
+        certificate_names = set(get_common_names(leaf_cert.subject) + subj_alt_name_ext.dns_names + subj_alt_name_ext.ip_addresses)
+        hostmatch_bad = ", ".join(certificate_names)
 
     trusted_score = (
         trusted_score_good