Apache2 : Use CGI Scripts2021/05/17 |
Use CGI (Common Gateway Interface) Scripts.
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[1] | Enable CGI module. |
root@www:~# a2enmod cgid Enabling module cgid. To activate the new configuration, you need to run: systemctl restart apache2root@www:~# systemctl restart apache2 |
[2] | After enabeling CGI, CGI scripts are allowed to execute under [/usr/lib/cgi-bin] directory by default. Therefore, for example, if a Perl script [index.cgi] is put under the directory, it's possible to access to the URL [http://(Apache2 Server)/cgi-bin/index.cgi] from Clients. |
# create a test script root@www:~# cat > /usr/lib/cgi-bin/test_script <<'EOF'
#!/usr/bin/perl print "Content-type: text/html\n\n"; print "Hello CGI\n"; EOF
root@www:~#
chmod 705 /usr/lib/cgi-bin/test_script # try to access root@www:~# curl localhost/cgi-bin/test_script Hello CGI |
[3] | If you'd like to allow CGI in other directories except default, configure like follows. For example, allow in [/var/www/html/cgi-enabled]. |
root@www:~#
vi /etc/apache2/conf-available/cgi-enabled.conf # create new # specify extension that are processed as CGI on [AddHandler cgi-script] line <Directory "/var/www/html/cgi-enabled"> Options +ExecCGI AddHandler cgi-script .cgi .pl .py .rb </Directory> mkdir /var/www/html/cgi-enabled root@www:~# a2enconf cgi-enabled Enabling conf cgi-enabled. To activate the new configuration, you need to run: systemctl reload apache2root@www:~# systemctl restart apache2 |
[4] | Create a CGI test page and access to it from any client computer with web browser. |
root@www:~#
vi /var/www/html/cgi-enabled/index.cgi #!/usr/bin/python3 print("Content-type: text/html\n") print("<html>\n<body>") print("<div style=\"width: 100%; font-size: 40px; font-weight: bold; text-align: center;\">") print("CGI Script Test Page") print("</div>") print("</body>\n</html>") chmod 755 /var/www/html/cgi-enabled/index.cgi |
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