Make DTLS always act as if read_ahead is set. The actual value of read_ahead

is ignored for DTLS.

RT#3657

Reviewed-by: Andy Polyakov <appro@openssl.org>

diff --git a/ssl/s3_pkt.c b/ssl/s3_pkt.c
index 85af629cda5ac481e0008469fea27e7fc98aa363..07adf0f25a084c79dfb90ee6ca39b8db28d0ee4a 100644 (file)
--- a/ssl/s3_pkt.c
+++ b/ssl/s3_pkt.c
@@ -231,7 +231,8 @@ int ssl3_read_n(SSL *s, int n, int max, int extend)
         return -1;
     }
 
-    if (!s->read_ahead)
+    /* We always act like read_ahead is set for DTLS */
+    if (!s->read_ahead && !SSL_IS_DTLS(s))
         /* ignore max parameter */
         max = n;
     else {