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#176337 - 2007-05-18 04:33 AM Expired certificates
wizard79 Offline
Getting the hang of it

Registered: 2003-03-26
Posts: 64
Loc: Australia.
Hi all

Does anyone know how to check a winxp pc for the expiration date on a "personal" certificate. Rather then going to Internet options, content, certificates on every notebook.

I hear there is a tool certutil, but cant work out the cmd line to get info on a personal certificate.
Any ideas?
Thanks
Jon

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#176339 - 2007-05-18 05:45 AM Re: Expired certificates [Re: wizard79]
Allen Administrator Online   shocked
KiX Supporter
*****

Registered: 2003-04-19
Posts: 4444
Loc: USA
I've never used that utility, but using certutil -store got me a list of all my certificates. Using WSHPipe ( http://www.kixtart.org/forums/ubbthreads.php?ubb=showflat&Number=83201&page=1#Post83201 ) You can get the output into a variable and then parse through it.

something like the following would output the "not after date" (not sure this is the expiry date or not), just remove the if/endif lines and it will display all the contents. (don't forget to paste the WSHPipe UDF to your script)


 Code:
$output=wshpipe("certutil -store",1)
for each $line in $output
  if instr($line,"NotAfter:") 
    ? $line
  endif
next 


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#176347 - 2007-05-18 12:30 PM Re: Expired certificates [Re: Allen]
Mart Moderator Offline
KiX Supporter
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Registered: 2002-03-27
Posts: 4641
Loc: The Netherlands
It looks like certutil is also able to delete certificates. Did not test this because we do not have a test setup for this and I do not want to screw up a production machine.

http://www.geocities.com/rick_lively/MANUALS/COMMANDS/C/CERTUTIF.HTM

quote from certutil /?
 Quote:

-delstore -- Delete certificate from store
-viewdelstore -- Delete certificate from store


Edited by Mart (2007-05-18 12:37 PM)
_________________________
Mart

- Chuck Norris once sold ebay to ebay on ebay.

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#176707 - 2007-06-04 04:00 AM Re: Expired certificates [Re: Mart]
wizard79 Offline
Getting the hang of it

Registered: 2003-03-26
Posts: 64
Loc: Australia.
Thanks. Now a question

How do I work out if $correct (date certificate expires) is before end of the year ($expdate). The $correct > $expdate seem to recognise it as a number rather then if one date is before the other?

? "Cert expires: " + $correct
? "End of the year date: " + $expdate

if $correct > $expdate
Open( 3, $server, 5)
WriteLine (3, "@date @time -- Userid: " + @userid + " - Comp name: " + @wksta + " - Cert expires: " + $correct + @CRLF)
Close(3)
endif

Shows:
Cert expires: 17/07/2007
End of the year date: 31/12/2007

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#176708 - 2007-06-04 04:35 AM Re: Expired certificates [Re: wizard79]
Gargoyle Offline
MM club member
*****

Registered: 2004-03-09
Posts: 1597
Loc: Valley of the Sun (Arizona, US...
There are many UDF's available to do exactly what you need. Look through the diffent Date Calc udf's.
_________________________
Today is the tomorrow you worried about yesterday.

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#176710 - 2007-06-04 06:01 AM Re: Expired certificates [Re: Gargoyle]
Allen Administrator Online   shocked
KiX Supporter
*****

Registered: 2003-04-19
Posts: 4444
Loc: USA
Additionally, you will also need to convert your dates to yyyy/mm/dd as this is the standard for kixtart and most/all of the UDFs. To do this, you can either use split, for example, $year=split($correct,"/")[2], or I believe you can also use fnDateTime ( http://www.kixtart.org/forums/ubbthreads.php?ubb=showflat&Number=145850&page=7#Post145850 ).
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