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========
fcgiwrap
========
:Info: Simple FastCGI wrapper for CGI scripts
:Homepage: http://nginx.localdomain.pl/wiki/FcgiWrap
:Author: Grzegorz Nosek <root@localdomain.pl>
:Contributors: W-Mark Kubacki <wmark@hurrikane.de>
Jordi Mallach <jordi@debian.org>
This page has been translated into `Spanish <http://www.webhostinghub.com/support/es/misc/fcgiwrap>`_ language by Maria Ramos from `Webhostinghub.com/support/edu <http://www.webhostinghub.com/support/edu>`_.
License
=======
This software is released under the MIT license. See COPYING for details.
Features
========
- very lightweight (84KB of private memory per instance)
- fixes broken CR/LF in headers
- handles environment in a sane way (CGI scripts get HTTP-related env. vars from FastCGI parameters and inherit all the others from ``fcgiwrap``'s environment)
- no configuration, so you can run several sites off the same ``fcgiwrap`` pool
- passes CGI stderr output to ``fcgiwrap``'s stderr or FastCGI stderr stream
Installation
============
requirements
------------
``Makefile`` and ``configure`` script is generated by GNU *autotools*. Therefore you need the latter.
``pkg-config`` is needed, else you may get AC_DEFINE errors.
``fcgiwrap`` links to *dev-libs/fcgi* which can be obtained from http://www.fastcgi.com/ .
``fcgiwrap`` also uses (but not requires) ``systemd`` for socket activation.
procedure
---------
To install::
autoreconf -i
./configure
make
make install
*fcgiwrap* will be copied to ``/usr/local/sbin/fcgiwrap`` if you did not set
``--prefix`` for configure or ``DESTDIR`` for the makefile.
usage
-----
Most probably you will want ``fcgiwrap`` be launched by `www-servers/spawn-fcgi <http://redmine.lighttpd.net/projects/spawn-fcgi>`_. Or you could use the author's Perl launcher - see the homepage for that.
There are two modes of ``fcgiwrap`` operation:
- when *SCRIPT_FILENAME* is set, its value is treated as the script name and executed directly.
- otherwise, *DOCUMENT_ROOT* and *SCRIPT_NAME* are concatenated and split back again into the script name and *PATH_INFO*. For example, given a *DOCUMENT_ROOT* of ``/www/cgi`` and *SCRIPT_NAME* of ``/subdir/example.cgi/foobar``, ``fcgiwrap`` will execute ``/www/cgi/subdir/example.cgi`` with *PATH_INFO* of ``/foobar`` (assuming ``example.cgi`` exists and is executable).
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