Commit 57cf89b1 authored by Andreas Gustafsson's avatar Andreas Gustafsson
Browse files

set msg->rdclass even if question section is empty

parent 7fba8470
......@@ -923,6 +923,17 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
rdtype = isc_buffer_getuint16(source);
rdclass = isc_buffer_getuint16(source);
/*
* If there was no question section, we may not yet have
* established a class. Do so now.
*/
if (msg->state == DNS_SECTION_ANY) {
if (rdclass == 0 || rdclass == dns_rdataclass_any)
return (DNS_R_FORMERR);
msg->rdclass = rdclass;
msg->state = DNS_SECTION_QUESTION;
}
/*
* If this class is different than the one in the question
* section, bail.
......
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