Re: [PATCH v4 9/9] net: use new capable_any functionality

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Hi Christian,

cgzones@xxxxxxxxxxxxxx wrote on Thu, 11 May 2023 16:25:32 +0200:

> Use the new added capable_any function in appropriate cases, where a
> task is required to have any of two capabilities.
> 
> Add sock_ns_capable_any() wrapper similar to existing sock_ns_capable()
> one.
> 
> Reorder CAP_SYS_ADMIN last.
> 
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> ---
> v4:
>   - introduce sockopt_ns_capable_any()
> v3:
>   - rename to capable_any()
>   - make use of ns_capable_any
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> ---
>  include/net/sock.h       |  1 +
>  net/caif/caif_socket.c   |  2 +-
>  net/core/sock.c          | 18 ++++++++++--------
>  net/ieee802154/socket.c  |  6 ++----
>  net/ipv4/ip_sockglue.c   |  4 ++--
>  net/ipv6/ipv6_sockglue.c |  3 +--
>  net/unix/scm.c           |  2 +-
>  7 files changed, 18 insertions(+), 18 deletions(-)
> 

[...]

> diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
> index 1fa2fe041ec0..f9bc6cae4af9 100644
> --- a/net/ieee802154/socket.c
> +++ b/net/ieee802154/socket.c
> @@ -904,8 +904,7 @@ static int dgram_setsockopt(struct sock *sk, int level, int optname,
>  		ro->want_lqi = !!val;
>  		break;
>  	case WPAN_SECURITY:
> -		if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
> -		    !ns_capable(net->user_ns, CAP_NET_RAW)) {
> +		if (!ns_capable_any(net->user_ns, CAP_NET_ADMIN, CAP_NET_RAW)) {
>  			err = -EPERM;
>  			break;
>  		}
> @@ -928,8 +927,7 @@ static int dgram_setsockopt(struct sock *sk, int level, int optname,
>  		}
>  		break;
>  	case WPAN_SECURITY_LEVEL:
> -		if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
> -		    !ns_capable(net->user_ns, CAP_NET_RAW)) {
> +		if (!ns_capable_any(net->user_ns, CAP_NET_ADMIN, CAP_NET_RAW)) {
>  			err = -EPERM;
>  			break;
>  		}

I was not noticed this was applied already, so, for ieee802154:

Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

Thanks,
Miquèl





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