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Date:      Fri, 22 Jun 2012 15:44:22 -0700
From:      Devin Teske <devin.teske@fisglobal.com>
To:        Devin Teske <dteske@freebsd.org>
Cc:        Clayton Milos <clay@milos.co.za>, Freebsd-stable@freebsd.org
Subject:   Re: [CFT] Need Testers for: sysutils/bsdconfig
Message-ID:  <082B913F-3A95-48C1-8B5A-BD220937748C@fisglobal.com>
In-Reply-To: <B622337A-28E4-443B-BAFD-ECF00F907A4D@fisglobal.com>
References:  <2322BE6D-24A8-4F4A-84B2-4DFE33BCA65B@fisglobal.com>	<4FE3EB9D.9070509@fuzzwad.org>	<4FE419CD.60708@rdtc.ru>	<F34D40AA-3AE4-4A1F-B521-CEC2A06ABC79@fisglobal.com>	<4FE4245C.3040806@rdtc.ru>	<90361FE2-2298-48E5-B8B6-2BA704781098@fisglobal.com> <4FE431C0.8040509@rdtc.ru> <006001cd5072$84247cd0$8c6d7670$@milos.co.za> <B622337A-28E4-443B-BAFD-ECF00F907A4D@fisglobal.com>

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On Jun 22, 2012, at 3:32 PM, Devin Teske wrote:

>=20
> On Jun 22, 2012, at 5:27 AM, Clayton Milos wrote:
>=20
>>=20
>> When selecting user account expiry the calendar starts at 1 January 1970=
. I
>> understand that this is when Unix time started but it would be nice for =
it
>> to start from the current date.
>>=20
>=20
> This was on-purpose because there is a discrepancy in passwd(5) manual re=
garding what a value of zero (0) means for these fields.
>=20
> From passwd(5):
>=20
>      The change field is the number of seconds from the epoch, UTC, until=
 the
>      password for the account must be changed.  This field may be left em=
pty
>      to turn off the password aging feature.
>=20
> Nowhere in the manual does it say that zero is a synonym to being left em=
pty.
>=20

And yet, this is how the system treats zero (was my complaint).

The user root (and toor, and several other system users) come with a defaul=
t value of zero for this field.

If zero was treated according to the manual, then root would be disabled by=
 default. But that's clearly not the case in a default installation which h=
as a value of zero.

So, when you're using bsdconfig to view an existing user that has a value o=
f zero, you will notice that the default calendar date/time that is chosen =
corresponds to "zero seconds from the epoch, UTC", despite the fact that I =
know (and you know) that zero is synonymous with NULL.

So I'm a fan of updating the man page and when that is done, I am happy to =
change bsdconfig to treat zero as-such. But right now I wanted to stay true=
 to the manual (which plainly states that any non-NULL value is treated as =
seconds from the epoch).
--=20
Devin

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