[pm-h] Automating sudo/bash terminal

[lee latham]

That's awesome, Brett, thanks.  I used that in combination with the
last post on my perlmonks question to get the job done:

http://perlmonks.org/?node_id=884031

It really is hideous, but it does work :-)

On Tue, Jan 25, 2011 at 10:52 AM, B. Estrade <estrabd at gmail.com> wrote:
> On Tue, Jan 25, 2011 at 10:38:49AM -0600, lee latham wrote:
>> 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?
>
> I wrote a test bash script that worked:
>
> #/bin/sh
> sudo -S ls<<END
> y0urP at ssword
> END
> ##-- end of script
>
> You may need to do a wrapper sudo script and have your actual work in
> another script; I don't immediately know if passing a stream of
> commands to sudo would necessarily be what you wanted to do:
>
> #/bin/sh
> sudo -S ./realscript.sh<<END # realscript.sh contains the real work
> y0urP at ssword
> END
> ##-- end of script
>
> I suppose you could simply chmod to 700 or 600 and issue 'sh
> ./yoursudoscript.sh' via ssh. Ultimately, the issue protecting your
> password.
>
> Hope that helps..
>
> Brett
>
>>
>> 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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>> >> http://mail.pm.org/mailman/listinfo/houston
>> >> Website: http://houston.pm.org/
>> >
>> > --
>> > B. Estrade <estrabd at gmail.com>
>> > _______________________________________________
>> > Houston mailing list
>> > Houston at pm.org
>> > http://mail.pm.org/mailman/listinfo/houston
>> > Website: http://houston.pm.org/
>> >
>> _______________________________________________
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>
> --
> B. Estrade <estrabd at gmail.com>
> _______________________________________________
> Houston mailing list
> Houston at pm.org
> http://mail.pm.org/mailman/listinfo/houston
> Website: http://houston.pm.org/
>