From 4730ea8a3852368dd8aac1ae8423a092c2d65fe4 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Mon, 18 May 2009 16:12:56 +0000 Subject: [PATCH] Fix from 1.0.0-stable branch. --- crypto/bio/bss_dgram.c | 3 --- ssl/d1_both.c | 11 ++++++++++- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c index 3f568da142..80d31b199d 100644 --- a/crypto/bio/bss_dgram.c +++ b/crypto/bio/bss_dgram.c @@ -289,9 +289,6 @@ static int dgram_read(BIO *b, char *out, int outl) BIO_set_retry_read(b); data->_errno = get_last_socket_error(); } -#if 0 - memset(&(data->hstimeout), 0, sizeof(struct timeval)); -#endif } } return(ret); diff --git a/ssl/d1_both.c b/ssl/d1_both.c index 5727c73776..63d00062f2 100644 --- a/ssl/d1_both.c +++ b/ssl/d1_both.c @@ -561,7 +561,16 @@ dtls1_process_out_of_seq_message(SSL *s, struct hm_header_st* msg_hdr, int *ok) if ((msg_hdr->frag_off+frag_len) > msg_hdr->msg_len) goto err; - if (msg_hdr->seq <= s->d1->handshake_read_seq) + /* Try to find item in queue, to prevent duplicate entries */ + memset(seq64be,0,sizeof(seq64be)); + seq64be[6] = (unsigned char) (msg_hdr->seq>>8); + seq64be[7] = (unsigned char) msg_hdr->seq; + item = pqueue_find(s->d1->buffered_messages, seq64be); + + /* Discard the message if sequence number was already there, is + * too far in the future or the fragment is already in the queue */ + if (msg_hdr->seq <= s->d1->handshake_read_seq || + msg_hdr->seq > s->d1->handshake_read_seq + 10 || item != NULL) { unsigned char devnull [256]; -- 2.25.1