net: sockets_tls: Reset mbedtls session on handshake errors
According to MbedTLS API documentation, its session must be reset if
mbedtls_ssl_handshake returns something other than:
- 0
- MBEDTLS_ERR_SSL_WANT_READ
- MBEDTLS_ERR_SSL_WANT_WRITE
- MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS
- MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS
In MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS and
MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS cases the function must be called
again when operation is ready. These cases now return -EAGIN or
continue to retry if it's a blocking call.
Signed-off-by: Ramiro Merello <rmerello@itba.edu.ar>
1 file changed
