[sudo-users] sudo delays due to stdin/stdout
Todd C. Miller
Todd.Miller at courtesan.com
Fri Aug 28 06:31:22 MDT 2015
On Fri, 28 Aug 2015 09:26:10 -0000, Holger.vanKoll at swisscom.com wrote:
> I am debugging the problem that my sudo commands take long to execute.
>
> A simple sudo -l takes about 1 second (for every user, local or LDAP).
>
> But a
>
> time sudo -l > tmpfile |tee
>
> executes immediately (time-command outputs "real 0m0.02s").
>
> If I change anything on this command (remove the time command, remove > tmpfi
> le redirection or remove "| tee") the execution time increases to 1 second.
> It seems to be related to stdin/stdout/stderr handling.
>
> sudo is 1.8.1p2
> I updated sudo on a testsystem to 1.8.11p2 , but that did not make any differ
> ence.
Can you provide a little more information? What OS are you using
and do you have log_input or log_output set? Are you using packages
from www.sudo.ws or vendor packages?
- todd
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