+int config_parse_domains(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ char ***domains = data;
+ char **domain;
+ int r;
+
+ r = config_parse_strv(unit, filename, line, section, section_line,
+ lvalue, ltype, rvalue, domains, userdata);
+ if (r < 0)
+ return r;
+
+ strv_uniq(*domains);
+
+ STRV_FOREACH(domain, *domains)
+ if (is_localhost(*domain) || !hostname_is_valid(*domain))
+ strv_remove(*domains, *domain);
+
+ return 0;
+}
+