[PATCH v4 07/16] keytoc: make key name hint optional

[Ahmad Fatoum]

On 13.09.24 09:59, Sascha Hauer wrote:
> The key name hint is used in barebox to find a key without iterating
> over all keys, but it's not required. Make the key name hint optional
> to keytoc.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  scripts/keytoc.c | 31 ++++++++++++++++++++++---------
>  1 file changed, 22 insertions(+), 9 deletions(-)
> 
> diff --git a/scripts/keytoc.c b/scripts/keytoc.c
> index ecb33cbe47..85a7cd7319 100644
> --- a/scripts/keytoc.c
> +++ b/scripts/keytoc.c
> @@ -9,6 +9,7 @@
>   *
>   */
>  #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
> +#define _GNU_SOURCE
>  #include <stdio.h>
>  #include <string.h>
>  #include <time.h>
> @@ -602,9 +603,9 @@ static int gen_key(const char *keyname, const char *path)
>  
>  int main(int argc, char *argv[])
>  {
> -	char *path, *keyname;
>  	int i, opt, ret;
>  	char *outfile = NULL;
> +	int keynum = 1;
>  
>  	outfilep = stdout;
>  
> @@ -652,21 +653,33 @@ int main(int argc, char *argv[])
>  	}
>  
>  	for (i = optind; i < argc; i++) {
> -		keyname = argv[i];
> +		char *keyspec = argv[i];
> +		char *keyname = NULL;
> +		char *path, *freep = NULL;
>  
> -		path = strchr(keyname, ':');
> -		if (!path) {
> -			fprintf(stderr,
> -				"keys must be given as <key_name_hint>:<crt>\n");
> -			exit(1);
> +		if (!strncmp(keyspec, "pkcs11:", 7)) {
> +			path = keyspec;
> +		} else {
> +			path = strchr(keyspec, ':');
> +			if (path) {
> +				*path = 0;
> +				path++;
> +				keyname = keyspec;
> +			} else {
> +				path = keyspec;
> +			}
>  		}
>  
> -		*path = 0;
> -		path++;
> +		if (!keyname) {
> +			asprintf(&freep, "key_%d", keynum++);
> +			keyname = freep;
> +		}
>  
>  		ret = gen_key(keyname, path);
>  		if (ret)
>  			exit(1);
> +
> +		free(freep);
>  	}
>  
>  	if (dts) {


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