55.3. Module CGI Programs
The Webmin web server treats files with the.cgi extension as CGI programs, just like most other web servers. All the forms, menus and other pages in your module will be generated by CGI programs, so knowledge of the basic concepts of CGI programming and HTML is necessary for writing a module.
All CGI programs are run with root privileges, which is generally necessary for them to be able to edit configuration files. In some cases, your code may drop those privileges by switching to another user. For example, if the module's access control settings for some Webmin user specify it.
Assuming your module is being written in Perl, you should begin by writing a Perl script that contains functions used by the CGI programs in ...
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