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From: Mike Pritchard <mpp>
Message-Id: <199603092048.MAA22370@freefall.freebsd.org>
Subject: Re: Expiry Date entry ?
To: tony@hornet.netac.co.za (Tony Harverson)
Date: Sat, 9 Mar 1996 12:48:22 -0800 (PST)
Cc: freebsd-questions@FreeBSD.ORG
In-Reply-To: <199603080846.KAA05071@hornet.netac.co.za> from "Tony Harverson" at Mar 8, 96 10:46:22 am
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Tony Harverson wrote:
> 
> Heya All,
> 
> I was just wondering what process an expiry date goes thru before its
> recorded in the master.passwd file.  I want to generate the dates for
> the master.passwd in a script, but a look at the master.passwd doesn't
> make them seem very interpretable.  Exactly how is that field
> formatted ?

It is stored as seconds since the epoc (e.g. a value of type time_t).
chpass uses the mktime() function to generate the value, so
you might want to look at how chpass generates the value
just to be sure you are consistent.

-Mike