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PR: 2462

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Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS Retransmission Buffer Bug
This commit is contained in:
Dr. Stephen Henson 2011-04-03 17:14:35 +00:00
parent f74a0c0c93
commit 4058861f69
2 changed files with 2 additions and 14 deletions
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14
ssl/d1_both.c
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@ -468,20 +468,6 @@ again:
if (!s->d1->listen)
s->d1->handshake_read_seq++;
/* we just read a handshake message from the other side:
* this means that we don't need to retransmit of the
* buffered messages.
* XDTLS: may be able clear out this
* buffer a little sooner (i.e if an out-of-order
* handshake message/record is received at the record
* layer.
* XDTLS: exception is that the server needs to
* know that change cipher spec and finished messages
* have been received by the client before clearing this
* buffer. this can simply be done by waiting for the
* first data segment, but is there a better way? */
dtls1_clear_record_buffer(s);
s->init_msg = s->init_buf->data + DTLS1_HM_HEADER_LENGTH;
return s->init_num;

2
ssl/d1_lib.c
View File

@ -330,6 +330,8 @@ void dtls1_stop_timer(SSL *s)
memset(&(s->d1->next_timeout), 0, sizeof(struct timeval));
s->d1->timeout_duration = 1;
BIO_ctrl(SSL_get_rbio(s), BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, 0, &(s->d1->next_timeout));
/* Clear retransmission buffer */
dtls1_clear_record_buffer(s);
}
int dtls1_handle_timeout(SSL *s)