[TriLUG] Need to compare pw's

[Roy Vestal]

We're basically inventorying all our servers. Since these are in a devel 
lab, the users move the servers around (literally) sometimes, can 
rebuild their boxes on the fly (they loose our support), etc.

This will be part of our inventory process, to see *if* the passwords 
have been changed (i.e. rebuilt server so no longer under support)

I wish I could give more specifics, but due to the nature, I have to be 
pretty vague.

These servers are already part of NIS+, with local root.

Again, I don't want to make the passwords the same, just check to see if 
they are. purely inventory only.

jonc at nc.rr.com wrote:
> Roy,
> 
> Would it be sufficient if you made all the passwords the same?  You
> could simply pick on of the servers and make it the Master (so to
> speak). Copy it's hash to all the other unix boxen and then you'll know
> that all the pw's are the same across boxen.
> 
> You could also enable NIS logins and point everything to one Unix box.
> 
> I can't think of any other easy way of making sure the pw's were the
> same... outside of using a pw breaking app on each server and then
> comparing.
> 
> Good Luck - Jon
> 
> ----- Original Message -----
> From: Roy Vestal <rvestal at trilug.org>
> Date: Monday, February 12, 2007 11:16 am
> Subject: [TriLUG] Need to compare pw's
> To: Triangle Linux Users Group discussion list <trilug at trilug.org>
> 
>> Folks,
>>  I need to compare passwords among differing *nix boxes. I need to 
>> verify the different hashes on the boxes and determine if they are 
>> the 
>> same or different. *I do NOT need to crack them!!*
>>
>> Does anyone know a simple procedure on comparing 2 passwords using 
>> the 
>> hashes? I can sed/grep/awk whatever to get the hashes out of the 
>> password files (names will *not* be given here for security 
>> purposes), 
>> but I'm not sure is a simple "if [ $a ne $b ] then..." will work.
>>
>> TIA,
>> Roy
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