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Slightly more general (i.e. for TYPE0 too).

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git-svn-id: file:///svn/unbound/trunk@3703 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2016-04-18 12:23:21 +00:00
parent 0d5d685514
commit f64c2d8d08
1 changed files with 2 additions and 2 deletions
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4
services/outside_network.c
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@ -1726,13 +1726,13 @@ packet_edns_malformed(struct sldns_buffer* buf, uint16_t qtype)
if(LDNS_QDCOUNT(sldns_buffer_begin(buf)) != 1 ||
LDNS_ANCOUNT(sldns_buffer_begin(buf)) == 0)
return 0;
if(qtype == 0)
return 0; /* we asked for type 0 */
/* skip qname */
len = dname_valid(sldns_buffer_at(buf, LDNS_HEADER_SIZE),
sldns_buffer_limit(buf)-LDNS_HEADER_SIZE);
if(len == 0)
return 0;
if(len == 1 && qtype == 0)
return 0; /* we asked for '.' and type 0 */
/* and then 4 bytes (type and class of query) */
if(sldns_buffer_limit(buf) < LDNS_HEADER_SIZE + len + 4 + 3)
return 0;