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Add early data status update

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2023-02-08 13:55:24 +08:00
parent 1eb0bd557d
commit ab0da370a4
1 changed files with 40 additions and 0 deletions
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40
library/ssl_tls13_server.c
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@ -1749,6 +1749,40 @@ static int ssl_tls13_parse_client_hello(mbedtls_ssl_context *ssl,
return hrr_required ? SSL_CLIENT_HELLO_HRR_REQUIRED : SSL_CLIENT_HELLO_OK;
}
#if defined(MBEDTLS_SSL_EARLY_DATA)
static void ssl_tls13_update_early_data_status(mbedtls_ssl_context *ssl)
{
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
if ((handshake->received_extensions &
MBEDTLS_SSL_EXT_MASK(EARLY_DATA)) == 0) {
MBEDTLS_SSL_DEBUG_MSG(
1, ("EarlyData: early data extension is not received."));
ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_NOT_RECEIVED;
return;
}
ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_REJECTED;
if (ssl->conf->early_data_enabled == MBEDTLS_SSL_EARLY_DATA_DISABLED) {
MBEDTLS_SSL_DEBUG_MSG(
1, ("EarlyData: rejected. configured disabled."));
return;
}
MBEDTLS_SSL_DEBUG_MSG(
3, ("EarlyData: conf->max_early_data_size = %u",
(unsigned int) ssl->conf->max_early_data_size));
/* TODO: Add more checks here. */
MBEDTLS_SSL_DEBUG_MSG(
1, ("EarlyData: For time being, it should not happen."));
ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_ACCEPTED;
}
#endif /* MBEDTLS_SSL_EARLY_DATA */
/* Update the handshake state machine */
MBEDTLS_CHECK_RETURN_CRITICAL
@ -1775,6 +1809,12 @@ static int ssl_tls13_postprocess_client_hello(mbedtls_ssl_context *ssl)
return ret;
}
#if defined(MBEDTLS_SSL_EARLY_DATA)
/* There is enough information, update early data state. */
ssl_tls13_update_early_data_status(ssl);
#endif /* MBEDTLS_SSL_EARLY_DATA */
return 0;
}