BUG/MINOR: dns: unable to parse CNAMEs response
A bug lied in the parsing of DNS CNAME response, leading HAProxy to
think the CNAME was improperly resolved in the response.
This should be backported into 1.6 branch
diff --git a/src/dns.c b/src/dns.c
index 53b65ab..1348be3 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -628,8 +628,11 @@
else
ptr = reader;
- if (cname && memcmp(ptr, cname, cnamelen))
- return DNS_UPD_NAME_ERROR;
+ if (cname) {
+ if (memcmp(ptr, cname, cnamelen)) {
+ return DNS_UPD_NAME_ERROR;
+ }
+ }
else if (memcmp(ptr, dn_name, dn_name_len))
return DNS_UPD_NAME_ERROR;