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extmod/modssl_mbedtls: Ignore err ERR_SSL_RECEIVED_NEW_SESSION_TICKET.

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It appears a new session ticket being issued by the server right after
completed handshake is not uncommon and shouldn't be treated as fatal.

mbedtls itself states "This error code is experimental and may be changed
or removed without notice."

Signed-off-by: Mirko Vogt <mirko-dev|mpy@nanl.de>
This commit is contained in:
Mirko Vogt 2023-08-01 09:59:30 +00:00 committed by Damien George
parent 1b03518e37
commit 65f0cb11af
1 changed files with 8 additions and 0 deletions
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8
extmod/modssl_mbedtls.c
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@ -443,6 +443,14 @@ STATIC mp_uint_t socket_read(mp_obj_t o_in, void *buf, mp_uint_t size, int *errc
// renegotiation.
ret = MP_EWOULDBLOCK;
o->poll_mask = MP_STREAM_POLL_WR;
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
} else if (ret == MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET) {
// It appears a new session ticket being issued by the server right after
// completed handshake is not uncommon and shouldn't be treated as fatal.
// mbedtls itself states "This error code is experimental and may be
// changed or removed without notice."
ret = MP_EWOULDBLOCK;
#endif
} else {
o->last_error = ret;
}