from HTML button to shell command

[Chris F.A. Johnson]

On Fri, 27 Oct 2006, Chris Cunnington wrote:

> Hi All,
>
> When people upload a Smalltalk image to my server, they
> are going to need to turn it on. I do this using the shell, but I
> cannot give my customers access to my shell. So, I'm looking for a CGI
> way for people to start their image.
>
> So far I have it that a customer goes to a password protected page.
> They see a radio button and a submit button. They click both. This
> triggers a Perl script in my operating system. In the script is the
> system function. Inside the system function (because the command I
> need to run on the shell must be executed by the root user) is the
> sudo command. After the sudo command is the actual command I use on
> the shell 'squeak -headless /home/ccunning/Seaside/Seaside2.6.image&'
>
> So far I have success running the system command to output the date to my
> browser. I've only hit upon using sudo, so I'll explore that today. I need
> to find a flag for it that will execute the command in one
> step, without making it a two step process by asking for the user's
> password.
>
> So, that's what I need: a way for people to turn their image on
> without giving them shell access. If anything screams out at you about
> my attempt to solve this problem, please let me know. I suppose there is a
> standard way to get people to push a button on a website and have a command
> execute on the shell, but I don't know it.

    See <http://cfaj.freeshell.org/testing/>.

-- 
    Chris F.A. Johnson                      <http://cfaj.freeshell.org>
    ===================================================================
    Author:
    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
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