Date: 06 Jan 2000 11:12:20 +0100 From: Bjoern Groenvall <bg@sics.se> To: Sven Brandenburg <S.Brandenburg@tu-bs.de> Cc: freebsd-security@FreeBSD.ORG Subject: Re: kerberos and Y2K ? Message-ID: <wuu2krqzjv.fsf@bg.sics.se> In-Reply-To: Sven Brandenburg's message of Wed, 05 Jan 2000 17:34:56 %2B0000 References: <387380C0.41E4AE34@tu-bs.de>
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Sven Brandenburg <S.Brandenburg@tu-bs.de> writes:
> Hello,
>
> sorry if this is the wrong place for this question,
> but has anybody seen any Y2k problems with kerberos (eBones) ?
>
> Yesterday I tried to create a new kerberos database.
> All went smoothly the way it`s documented in the handbook.
> Except for one thing:
>
> $ kinit sven
> eBones International (algieba.leonis.supercluster.net)
> Kerberos Initialization for "sven"
> Password:
> kinit: Principal expired (kerberos)
>
> The database was created setting all expiry dates to 2001-01-01
> instead of the default 2000-01-01.
> Once the system clock is switched back to 1999 kinit is able
> to obtain a valid ticket.
>
> Any comments?
There used to be a real stupid default value for the expiration date
in kdb_init.c that was not fixed until 19980609. I don't know exactly
what your sources look like but here is a possible fix:
- principal.exp_date = 946702799; /* Happy new century */
- strncpy(principal.exp_date_txt, "12/31/99", DATE_SZ);
principal.mod_date = time(0);
+ *principal.mod_date_txt = '\0';
+ principal.exp_date = principal.mod_date + 5 * 365 * 24 * 60 * 60;
+ *principal.exp_date_txt = '\0';
You may also use more recent sources from ftp.pdc.kth.se:pub/krb/src.
Cheers,
Björn
--
_ _ ,_______________.
Bjorn Gronvall (Björn Grönvall) /_______________/|
Swedish Institute of Computer Science | ||
PO Box 1263, S-164 29 Kista, Sweden | Schroedingers ||
Email: bg@sics.se, Phone +46 -8 633 15 25 | Cat |/
Cellular +46 -70 768 06 35, Fax +46 -8 751 72 30 `---------------'
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