Re: [PATCH 1/1] selinux: secid reconciliation fixes V02

[Paul Moore <paul.moore@hp.com>]

FYI: some changes need to be made to avoid compilation warnings (see below, and
selinux_ip_postroute_last() to see what I mean), I'm taking the liberty of
changing the patch myself.

Venkat Yekkirala wrote:
> -static int selinux_skb_flow_out(struct sk_buff *skb, u32 nf_secid)
> +static int selinux_skb_flow_out(struct sk_buff *skb, u32 nf_secid,
> +			const struct net_device *out, unsigned short family)
>  {
>  	int err;
> +	char *addrp;
> +	int len;
> +	struct avc_audit_data ad;

Add the following:

        struct net_device *dev = (struct net_device *)out;


>  	if (selinux_compat_net)
>  		return 1;
> @@ -3738,9 +3749,17 @@ static int selinux_skb_flow_out(struct s
>  		}
>  	}
>  
> +	AVC_AUDIT_DATA_INIT(&ad, NET);
> +	ad.u.net.netif = out->name;

Replace the above line with:

        ad.u.net.netif = dev->name;

> +	ad.u.net.family = family;
> +	err = selinux_parse_skb(skb, &ad, &addrp, &len, 0);
> +	if (err)
> +		goto out;
> +
>  	err = avc_has_perm(skb->secmark, nf_secid, SECCLASS_PACKET,
> -				PACKET__FLOW_OUT, NULL);
> +				PACKET__FLOW_OUT, &ad);
>  
> +out:
>  	return err ? 0 : 1;
>  }

-- 
paul moore
linux security @ hp

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