From owner-freebsd-arch@FreeBSD.ORG  Fri Apr 20 05:42:33 2007
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To: Diomidis Spinellis <dds@aueb.gr>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Fri, 20 Apr 2007 00:21:21 +0300."
	<4627DD51.9020003@aueb.gr> 
Date: Fri, 20 Apr 2007 05:42:31 +0000
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Cc: arch@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>, re@FreeBSD.org
Subject: Re: Accounting changes 
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In message <4627DD51.9020003@aueb.gr>, Diomidis Spinellis writes:
>Poul-Henning Kamp wrote:
>> In message <20070419212253.L2913@fledge.watson.org>, Robert Watson writes:
>> 
>>>> 	__dev_t   ac_tty;		/* controlling tty */
>> 
>> This field is useless, nobody uses hardwired RS-232 terminals
>> anymore.
>> 
>> What we should do is add a systemcall or sysctl, so session creators
>> like getty, sshd and similar can install a session indentifying string
>> on the session, and then dump that in the accounting.
>> 
>> sshd would log IP+port and possibly also credential used for auth.
>> 
>
>Isn't this purpose mostly served by joining the accounting record with 
>wtmp on the ll_line field to obtain the IP address from the ll_host field?

The IP number alone is not a "session identifier", you want the ID
of the credential that gave access as well.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.