Hello! On Tue, Jul 09, 2013 at 12:13:37AM +0200, Jan Algermissen wrote:
> Hi Maxim, > > thanks, question inline: > > On 08.07.2013, at 19:59, Maxim Dounin <[email protected]> wrote: > > > Hello! > > > > On Mon, Jul 08, 2013 at 06:45:33PM +0200, Jan Algermissen wrote: > > > >> Hi, > >> > >> I developing a handler for the access phase. In this handler I > >> intend to remove a certain header. > >> > >> It seems that this is exceptionally hard to do - the only hint I > >> have is how it is done in the headers_more module. > >> > >> However, I wonder, whether there is an easier way, given that it > >> is not an unusual operation. > > > > Removing request headers from a request isn't something supported > > by nginx. > > > > What is supported is filtering/modification of headers passed to > > upstream servers with proxy_set_header (fastcgi_param, ...). > > > > E.g., this is how proxy module provies a way to add > > X-Forwarded-For header. It implements the $proxy_add_x_forward_for > > variable, which is expected to be used in a config like this: > > > > proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; > > > >> If not, I'd greatly benefit from a documentation of the list and > >> list-part types. Is that available somewhere? Seems hard to > >> figure out all the bits and pieces that one has to go through to > >> cleanly remove an element from a list. > > > > Try looking into src/core/ngx_list.[ch] for a documentation in C. > > It doesn't really support elements removal though. > > Yes, I could provide a list_remove implementation - problem is, > I think that the request->headers_in convenience fields point to > elements of the .headers list, yes? Given that list elts is an > array, re-organizing that array would invalidate the pointers of > headers_in. > > Right ow, I think that renaming the header in question and > setting the headers_in field to null is probably the only > option. > > What do you think? Quoting myself: : Removing request headers from a request isn't something : supported by nginx. If you are going to remove request headers - first of all, you should understand that what you are doing is a hack. And asking me what do I think is a bit pointless - I think it's a hack. :) -- Maxim Dounin http://nginx.org/en/donation.html _______________________________________________ nginx mailing list [email protected] http://mailman.nginx.org/mailman/listinfo/nginx
