Information Technology Services: CGI-Wrap


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CGI-wrap on Condor

NOTE: If you would like to use cgiwrappers on www.wesleyan.edu, please see this page.

Setting up the Directory

To set up your Condor account for CGIwrap, create a subdirectory called cgi-bin within your public_html directory. Do this by navigating to your public_html directory and typing

mkdir cgi-bin

All CGI scripts must be placed in this cgi-bin subdirectory.

Setting the Permissions

Make sure that the cgi-bin directory has the correct permissions. It needs to be executable, so type

chmod 755 cgi-bin

to make the cgi-bin directory executable.

Also remember that the scripts themselves need to be set as executable so you'll need to type

chmod 755 scriptname

(where scriptname is the name of your CGI script) on each of your scripts so that they'll function properly.

You will also need to be sure the group owner of your script is your default group. To find your default group you should type

groups

Most users only have one group, but if you have multiple groups you need to use the first on listed. To set the group ownership of the script to your group you should type

chgrp groupname scriptname

(where scriptname is the name of your CGI script and groupname is the name of your group)

Calling the CGI script from your HTML form

Using CGIwrap, this is how your scripts must be called in the ACTION tag of your form:

http://condor.wesleyan.edu/cgi/userid/scriptname

note:userid is your condor account name and scriptname is the name of your cgi script

Debugging your CGI script

For debugging information go to the URL:

http://condor.wesleyan.edu/cgid/userid/scriptname

note:userid is your condor account name and scriptname is the name of your cgi script

Security Features

Cgiwrapper is software designed to limit the damage a user could potentially do to the system through a CGI script. Cgiwrapper runs CGI scripts as the owner of the script, rather than as the user nobody which may have more permissions.

CGIwrap test

The following is an example urls associated with a script being run with cgiwrapper.

Run the script:

http://condor.wesleyan.edu/cgi/userid/testme.pl

Check out the debugging info:

http://condor.wesleyan.edu/cgid/userid/testme.pl