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silently drop epoch 0 messages when handshake completed

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This commit is contained in:
John Safranek
2015-12-01 14:59:32 -08:00
parent d673a56c83
commit 5cf94166b2
1 changed files with 6 additions and 2 deletions
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8
src/internal.c
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@@ -3376,8 +3376,11 @@ static int GetRecordHeader(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
}
#ifdef WOLFSSL_DTLS
if (ssl->options.dtls && !DtlsCheckWindow(&ssl->keys.dtls_state))
return SEQUENCE_ERROR;
if (ssl->options.dtls &&
(!DtlsCheckWindow(&ssl->keys.dtls_state) ||
(ssl->options.handShakeDone && ssl->keys.dtls_state.curEpoch == 0))) {
return SEQUENCE_ERROR;
}
#endif
/* catch version mismatch */
@@ -7140,6 +7143,7 @@ int ProcessReply(WOLFSSL* ssl)
&ssl->curRL, &ssl->curSize);
#ifdef WOLFSSL_DTLS
if (ssl->options.dtls && ret == SEQUENCE_ERROR) {
WOLFSSL_MSG("Silently dropping out of order DTLS message");
ssl->options.processReply = doProcessInit;
ssl->buffers.inputBuffer.length = 0;
ssl->buffers.inputBuffer.idx = 0;