linux-kernel - Re: How to find origin PID of a sk

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Message-ID: <873akeu80o.fsf@burp.tkv.asdf.org>
Date:	Fri, 05 Sep 2008 14:49:59 +0300
From:	Markku Savela <msa@...h.iki.fi>
To:	linux-kernel@...r.kernel.org
Subject: Re: How to find origin PID of a sk_buff in iptables match?

Actually, my problem can be reduced to a question:

 Can someone explain why core/sock.c in function sock_init_data sets

    sk->sk_peercred.pid = 0;
    sk->sk_peercred.uid = -1;
    sk->sk_peercred.pid = -1;

 instead of assigning default values from the current task context?
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