markdown-cgi

• This is a CGI module written in C for serving Markdown files.

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Features

• It can render markdown file to html style with C on the server side.

Environment

System	Software	Test
Windows 11	IIS 10.0	✅
Ubuntu 22.04 LTS	Apache 2.4.52	✅

Usage

1. Download the source code

   curl https://www.axisflow.biz/pkg/markdown-cgi_0-2-0.zip -o markdown-cgi_0-2-0.zip
   

2. Decompress
3. Compile markdown-cgi
   • Windows

     gcc -o md-cgi.exe md-cgi.c md4c\md4c.c md4c\md4c-html.c md4c\entity.c

   • Linux

     gcc -o md-cgi md-cgi.c md4c/md4c.c md4c/md4c-html.c md4c/entity.c

4. Settings
   • IIS 10 on Windows
     1. Press Win+R, input OptionalFeatures and enter
     2. Ensure Internet Information Services > World Wide Web Services > Application Development Features > CGI selected
     3. Press Win+R, input InetMgr and enter
     4. Select an object(Host, Website, Directory or Application) from the tree

        You can also add the following text in the tag <configuration> of the web.config file in the object path to skip steps 4~6(replace [] with yours):

        <system.webServer>
            <handlers accessPolicy="Read, Execute, Script">
                <add name="Markdown-Render" path="*.md" verb="*" modules="CgiModule" scriptProcessor="[Path\to\md-cgi.exe]" resourceType="File" requireAccess="None" />
            </handlers>
        </system.webServer>

     5. Double click Handler Mappings in the page
     6. Click Add Script Map... on the actions pane
        • Request path: Type *.markdown *.mdown *.mkdn *.mkd *.mdwn *.md
        • Executable: Choose md-cgi.exe just compiled
        • Name: Type Markdown-CGI
        • Request Restrictions: In Mapping tab, select Invoke handler only if request is mapped to and choose File
     7. Select your host from tree and double click ISAPI and CGI Restrictions in the page
     8. Click Add... on the actions pane
        • ISAPI or CGI path: Choose md-cgi.exe just compiled
        • Description: Type Markdown-CGI
        • Allow extension path to execute: ☑️
   • Apache 2 on Linux(Ubuntu)

     Assumed that your Apache was installed from apt command

     1. In the terminal, type apachectl -M to ensure actions_module, cgi_module and cgid_module enabled. If not, type the following commands:

        sudo a2enmod actions cgid

     2. Type apachectl -t -D DUMP_INCLUDES to ensure conf-enabled/serve-cgi-bin.conf included. If not, type the following commands:

        sudo a2enconf serve-cgi-bin.conf

     3. Open your site config(/etc/apache2/sites-enabled/000-default.conf default)

        Action markdown /cgi-bin/md-cgi
        AddHandler markdown .md
        

     4. Move md-cgi just compiled to /usr/lib/cgi-bin/
5. Finished and you can try to open a markdown file throught your host by browsers

Dependencies

• Use mity's MD4C 0.4.8 as Markdown-to-HTML converter gratefully.

License

• markdown-cgi is covered with MIT license. Please see the file LICENSE.
• Some resources have different licenses. Please see the file res/LICENSE.