From e9f613aceae39aa17ea7e493976d5e00fc7a985d Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Tue, 15 Sep 2009 22:48:57 +0000 Subject: [PATCH] PR: 2039 Submitted by: Robin Seggelmann Approved by: steve@openssl.org DTLS listen bug fix, --- ssl/d1_pkt.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/ssl/d1_pkt.c b/ssl/d1_pkt.c index 355d5ed9cd..3ee46c4721 100644 --- a/ssl/d1_pkt.c +++ b/ssl/d1_pkt.c @@ -648,8 +648,15 @@ again: goto again; /* get another record */ } - /* check whether this is a repeat, or aged record */ - if ( ! dtls1_record_replay_check(s, bitmap)) + /* Check whether this is a repeat, or aged record. + * Don't check if we're listening and this message is + * a ClientHello. They can look as if they're replayed, + * since they arrive from different connections and + * would be dropped unnecessarily. + */ + if (!(s->d1->listen && rr->type == SSL3_RT_HANDSHAKE && + *p == SSL3_MT_CLIENT_HELLO) && + !dtls1_record_replay_check(s, bitmap)) { rr->length = 0; s->packet_length=0; /* dump this record */ -- 2.25.1