[pm-h] Automating sudo/bash terminal

[lee latham]

Thanks for the response, Brett!

No, I do not have root access or the ability to change the
infrastructure I'm working under.

I figured I'd pass the sudo password as an argument to the script.

But can it be done?

On Tue, Jan 25, 2011 at 10:18 AM, B. Estrade <estrabd at gmail.com> wrote:
> On Tue, Jan 25, 2011 at 10:17:31AM -0600, lee latham wrote:
>> Hi Y'all,
>>
>> I'm having a surprisingly difficult time automating a terminal
>> session, so I thought I'd see if you guys have any thoughts.
>>
>> I'm in a situation where I need to issue commands in a sudo
>> environment.  So I've got to authenticate the sudo, issue commands
>> after that (this is the part I'm having trouble with), read the output
>> of the commands and issue new commands based on that output.  So
>> basically I need to do like 'sudo bash' and then issue commands in
>> that bash session.
>>
>> I've tried various tricks to no avail, and I'd really rather avoid
>> using Expect, as I expect the process to get a little lengthy at
>> times.
>>
>> The main problem, for example, is that if I simply execute `sudo
>> dowhatever` via backticks or system, I still need to authenticate, and
>> even if I do that then that session is immediately closed.
>>
>> A similar situation is when using Net::OpenSSH, and I need to, say,
>> become a different user on the remote machine and issue commands as
>> that user.
>>
>> I suspect my unix knowledge is inadequate to even properly
>> understanding the problem :-)
>>
>> Any thoughts?  Any input would be greatly appreciated!
>
> Your biggest issue is going to be maintaining security. Sounds like
> you either have to store the password somewhere or allow certain
> commands to be executed via sudo unencombered via password.
>
> Do you have root on this box?
>
> And I hate to give you the typical "Perlish" response, but what
> exactly are you trying to do? I would imagine that if you've painted
> yourself into a corner where you have to issue sudo in batch process,
> there are like better solutions to what you're needing to accomplish.
>
> Cheers,
> Brett
>
>>
>> Best,
>> Lee
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>
> --
> B. Estrade <estrabd at gmail.com>
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