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avoid calling gnutls_record_get_discarded() when a DTLS session isn't available

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This commit is contained in:
Nikos Mavrogiannopoulos
2014-08-27 16:57:57 +02:00
parent d4ca7ba6c2
commit 718fc4565a
1 changed files with 10 additions and 11 deletions
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src/worker-vpn.c
+10 -11
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@@ -1071,20 +1071,19 @@ static int dtls_mainloop(worker_st * ws, struct timespec *tnow)
{
int ret, l;
#if GNUTLS_VERSION_NUMBER <= 0x030210
/* work-around an infinite loop caused by gnutls_record_recv()
* always succeeding by counting every error as a discarded packet.
*/
ret = gnutls_record_get_discarded(ws->dtls_session);
if (ret > 1000) {
ws->udp_state = UP_DISABLED;
return 0;
}
#endif
switch (ws->udp_state) {
case UP_ACTIVE:
case UP_INACTIVE:
#if GNUTLS_VERSION_NUMBER <= 0x030210
/* work-around an infinite loop caused by gnutls_record_recv()
* always succeeding by counting every error as a discarded packet.
*/
ret = gnutls_record_get_discarded(ws->dtls_session);
if (ret > 1000) {
ws->udp_state = UP_DISABLED;
break;
}
#endif
ret =
tls_recv_nb(ws->dtls_session, ws->buffer, ws->buffer_size);
oclog(ws, LOG_TRANSFER_DEBUG,