[PATCH v2] scripts imx-image: add support for newer versions of "cst"

Sascha Hauer sha at pengutronix.de
Tue Sep 4 01:12:45 PDT 2018


On Mon, Sep 03, 2018 at 03:32:12PM +0200, Marc Kleine-Budde wrote:
> Older versions of "cst" want to read the CSF from STDIN, while newer versions
> want to read the CSF from a file. Sadly, the "-i" option doesn't understand
> "-i -" to read from STDIN, so we give it "/dev/stdin" instead.
> 
> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> ---
>  scripts/imx/imx-image.c | 23 ++++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c
> index b241e8c4b68e..ffde8149650f 100644
> --- a/scripts/imx/imx-image.c
> +++ b/scripts/imx/imx-image.c
> @@ -546,7 +546,28 @@ static int hab_sign(struct config_data *data)
>  		}
>  	}
>  
> -	ret = asprintf(&command, "%s -o %s", cst, csffile);
> +	/*
> +	 * Older versions of "cst" want to read the CSF from STDIN,
> +	 * while newer versions want to read the CSF from a
> +	 * file. Sadly, the "-i" option doesn't understand "-i -" to
> +	 * read from STDIN, so we give it "/dev/stdin" instead.
> +	 */
> +	ret = asprintf(&command,
> +		       "%s | grep 'Input CSF text filename'",
> +		       cst);
> +	if (ret < 0)
> +		return -ENOMEM;
> +
> +	ret = system(command);
> +	free(command);
> +	if (ret == -1)
> +		return -EINVAL;
> +	else if (ret == 0)
> +		ret = asprintf(&command, "%s -o %s -i /dev/stdin",
> +			       cst, csffile);
> +	else
> +		ret = asprintf(&command, "%s -o %s;",
> +			       cst, csffile);
>  	if (ret < 0)
>  		return -ENOMEM;
>  
> -- 
> 2.18.0
> 
> 

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