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Date: Fri, 20 Apr 2007 00:21:21 +0300
From: Diomidis Spinellis <dds@aueb.gr>
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To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Cc: arch@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>, re@FreeBSD.org
Subject: Re: Accounting changes
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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?