Turns out that subrequests aren't pushed through Nginx's header filters which means that a directive like add_header won't work in a shib_request (or auth_request etc).  Good to know!

This reverts commit f5bfd9ea.

This ensures that Nginx can still manipulate responses from
the Shibboleth authorizer.

fixed #6 by initialising hash member variable

Remove the shib_authorizer flag on the config, update readme

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>

This is to be used in conjunction with --add-module at nginx
configure time.

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>

This mostly follows the FastCGI Authorizer specification, with the
exception of the processing of the request and response bodies, and
variable naming.

See http://forum.nginx.org/read.php?2,238523,238523#msg-238523


for a lengthier discussion.

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>

Signed-off-by: Luca Bruno <luca.bruno@rocket-internet.de>