[CentOS] strange su behavior

[Tony Schreiner]

On Mar 10, 2010, at 12:12 PM, Uwe Kiewel wrote:

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> Am 09.03.2010 22:22, schrieb Tom H:
>>>>>> Do you have any sudo call from your /etc or /etc/skel bashrc or  
>>>>>> profile...?
>>>>> Yes, I do have in /etc/bashrc:
>>>>> sudo -l
>>>> Unless you already understood:
>>>>  su -  "make the shell a login shell"
>>>>  so sudo -l  in bashrc is executed, which asks for the user's  
>>>> password
>>> Understood, who is asking - not understood why "sudo -l" is asking  
>>> for
>>> the password and why just hitting the enter key works
>>
>> sudo -l
>> lists the commands that you are allowed to run with sudo
>
> That is clear to me, but why does this command request the password?

what's the output of

sudo grep root /etc/sudoers

Tony Schreiner