112 lines
4.7 KiB
Markdown
112 lines
4.7 KiB
Markdown
It's common to name the [[cgi]] "ikiwiki.cgi", and put it somewhere
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like `~/public_html/ikiwiki.cgi`, or `/var/www/wiki/ikiwiki.cgi`.
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If you do that, you may find that when trying to edit a page in your wiki,
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you see the raw contents of the ikiwiki.cgi program. Or get a permission
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denied problem.
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This is because web servers are generally not configured to run cgi scripts
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unless they're in `/usr/lib/cgi-bin/`. While you can put ikiwiki.cgi in
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there if you like, it's better to configure your web server to
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run `.cgi` programs from anywhere.
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These instructions are for Debian systems, but the basic
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configuration changes should work anywhere.
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## apache 2
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* Make sure the cgi module is loaded. (Ie, `a2enmod cgi`)
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* Edit /etc/apache2/apache2.conf (or /etc/apache2/mods-available/mime.conf)
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and add a line like this:
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AddHandler cgi-script .cgi
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* Find the "Options" line for the directory where you've put the
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ikiwiki.cgi, and add "ExecCGI" to the list of options. For example, if
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ikiwiki.cgi is in /var/www/, edit `/etc/apache2/sites-enabled/000-default`
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and add it to the "Options" line in the "Directory /var/www/" stanza.
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Or, if you've put it in a `~/public_html`, edit
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`/etc/apache2/mods-available/userdir.conf`.
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* If your wiki is in `~/public_html` and does not appear when you enter the URL given by the installer, check that you have
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the userdir mod enabled (there should be simlinks to userdir.load and userdir.conf in /etc/apache2/modes-enabled). If not,
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run `a2enmod userdir` and reload apache2.
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* You may also want to enable the [[plugins/404]] plugin.
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To make apache use it, the apache config file will need a further
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modification to make it use ikiwiki's CGI as the apache 404 handler.
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Something like this, with the path adjusted to where you've put the CGI:
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ErrorDocument 404 /cgi-bin/ikiwiki.cgi
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## lighttpd
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Here is how to enable cgi on [lighttpd](http://www.lighttpd.net/) and
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configure it in order to execute ikiwiki.cgi wherever it is located.
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* Activate cgi by linking `/etc/lighttpd/conf-available/10-cgi.conf` into `/etc/lighttpd/conf-enabled` ([doc](http://trac.lighttpd.net/trac/wiki/Docs%3AModCGI)).
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* Create `/etc/lighttpd/conf-available/90-ikiwiki-cgi.conf` and add a line like this:
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cgi.assign = ( "ikiwiki.cgi" => "", )
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* Activate ikiwiki-cgi by linking `/etc/lighttpd/conf-available/90-ikiwiki-cgi.conf` into `/etc/lighttpd/conf-enabled`.
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* Restart lighttpd server with something like `/etc/init.d/lighttpd restart`.
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Note that the first part enables cgi server wide but depending on default
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configuration, it may be not enough. The second part creates a specific
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rule that allow `ikiwiki.cgi` to be executed.
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**Warning:** I only use this lighttpd configuration on my development
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server (offline). I am not sure of how secure this approach is.
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If you have any thought about it, feel free to let me know.
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## nginx
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To run CGI under nginx, you need to use a FastCGI wrapper. The wrapper must be started somehow just like any other FastCGI program. You can use launchd on OSX.
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In Linux, you will need the spawn-fcgi and fcgiwrap packages and start
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them with:
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spawn-fcgi -s /tmp/fcgi.socket -n -- /usr/sbin/fcgiwrap
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This needs to be ran as your user. It can be added to `inittab` or
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made into a startup script in `init.d`. You may also need to make this file writable by the webserver, if that's running as a different user, e.g.:
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chmod a+w /tmp/fcgi.socket
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Then you need an nginx config plugged in that wrapper. Here's an
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example virtual host configuration:
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server {
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#listen 80; ## listen for ipv4; this line is default and implied
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#listen [::]:80 default_server ipv6only=on; ## listen for ipv6
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root /home/anarcat/public_html/wiki.reseaulibre.ca/;
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index index.html index.htm;
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# Make site accessible from http://localhost/
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server_name wiki.reseaulibre.ca;
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location / {
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try_files $uri $uri/ /index.html;
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}
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location /ikiwiki.cgi {
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fastcgi_pass unix:/tmp/fcgi.socket;
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fastcgi_index ikiwiki.cgi;
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fastcgi_param SCRIPT_FILENAME /home/anarcat/public_html/ikiwiki.cgi;
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fastcgi_param DOCUMENT_ROOT /home/anarcat/public_html/wiki.reseaulibre.ca;
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include /etc/nginx/fastcgi_params;
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}
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}
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Also, note that the `/tmp/fcgi.socket` file needs to be writable by the webserver. I am also unsure as to the security of this setup, as I am using this only on my dev server. Needless to say that [[real fastcgi support|todo/fastcgi_or_modperl_installation_instructions]] would be great. ;) --[[anarcat]]
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## boa
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Edit /etc/boa/boa.conf and make sure the following line is not commented:
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AddType application/x-httpd-cgi cgi
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