OpensslStatus_t Openssl_Disconnect()

in platform/posix/transport/src/openssl_posix.c [712:747]

• 24 lines of code
• 5 McCabe index (conditional complexity)

OpensslStatus_t Openssl_Disconnect( const NetworkContext_t * pNetworkContext )
{
    OpensslParams_t * pOpensslParams = NULL;
    SocketStatus_t socketStatus = SOCKETS_INVALID_PARAMETER;

    if( ( pNetworkContext == NULL ) || ( pNetworkContext->pParams == NULL ) )
    {
        /* No need to update the status here. The socket status
         * SOCKETS_INVALID_PARAMETER will be converted to openssl
         * status OPENSSL_INVALID_PARAMETER before returning from this
         * function. */
        LogError( ( "Parameter check failed: pNetworkContext is NULL." ) );
    }
    else
    {
        pOpensslParams = pNetworkContext->pParams;

        if( pOpensslParams->pSsl != NULL )
        {
            /* SSL shutdown should be called twice: once to send "close notify" and
             * once more to receive the peer's "close notify". */
            if( SSL_shutdown( pOpensslParams->pSsl ) == 0 )
            {
                ( void ) SSL_shutdown( pOpensslParams->pSsl );
            }

            SSL_free( pOpensslParams->pSsl );
            pOpensslParams->pSsl = NULL;
        }

        /* Tear down the socket connection, pNetworkContext != NULL here. */
        socketStatus = Sockets_Disconnect( pOpensslParams->socketDescriptor );
    }

    return convertToOpensslStatus( socketStatus );
}