ComputerSurge/bind9
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set msg->rdclass even if question section is empty

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This commit is contained in:
Andreas Gustafsson
1999-07-30 13:33:14 +00:00
parent 7fba8470c7
commit 57cf89b149
1 changed files with 11 additions and 0 deletions
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11
lib/dns/message.c
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@@ -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.