From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Sat, 23 Aug 2014 15:28:59 +0000 (+0200)
Subject: record: in DTLS discard only messages that cause unexpected packet errors
X-Git-Tag: gnutls_3_4_0~1040
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=da6090885b22b5cede08c06a81ea3339faa5107e;p=thirdparty%2Fgnutls.git

record: in DTLS discard only messages that cause unexpected packet errors
---

diff --git a/lib/gnutls_record.c b/lib/gnutls_record.c
index 46d73238e1..5562202c84 100644
--- a/lib/gnutls_record.c
+++ b/lib/gnutls_record.c
@@ -1365,7 +1365,11 @@ _gnutls_recv_in_buffers(gnutls_session_t session, content_type_t type,
 		return 0;
 	}
 
-	if (IS_DTLS(session)) {
+	if (IS_DTLS(session) && (ret == GNUTLS_E_DECRYPTION_FAILED ||
+		ret == GNUTLS_E_UNSUPPORTED_VERSION_PACKET ||
+		ret == GNUTLS_E_UNEXPECTED_PACKET_LENGTH ||
+		ret == GNUTLS_E_UNEXPECTED_PACKET ||
+		ret == GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET)) {
 		goto discard;
 	}