BUG/MINOR: dns: parsing error of some DNS response

The function which parses a DNS response buffer did not move properly a
pointer when reading a packet where records does not use DNS "message
compression" techniques.

Thanks to 0yvind Johnsen for the help provided during the troubleshooting
session.

diff --git a/src/dns.c b/src/dns.c
index fee5f5fc2894f77cc1fb02abd2434c121687cb2d..7f71ac7e96ea00b07406a52575bc3bd50679c244 100644 (file)
--- a/src/dns.c
+++ b/src/dns.c
@@ -504,6 +504,8 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, char *
                                        return DNS_RESP_INVALID;
                                if (memcmp(ptr, dn_name, dn_name_len) != 0)
                                        return DNS_RESP_WRONG_NAME;
+
+                               reader += (dn_name_len + 1);
                        }
                        else {
                                reader += (len + 1);