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From Eric Covener <>
Subject Re: stop copying footers to r->headers_in?
Date Tue, 06 May 2014 23:45:42 GMT
On Tue, May 6, 2014 at 6:44 PM, Yann Ylavic <> wrote:
> On Tue, May 6, 2014 at 1:41 PM, Eric Covener <> wrote:
>> I'd really like to start chucking trailers, but the scale of these
>> patches really frightens me for 2.4 and 2.2 and accompanying what will
>> likely be a security roll-up.
> Understood.
>> Is anyone sitting on a more tactical version of the fix?
> Well, maybe I should stop proposing something here but maybe the
> attached patch can help.
> I think it's a "tactical" version of the previous one, in that it does
> *not* touch ap_get_mime_headers*() (nor ap_rgetline*()), but
> saves/restores the data (request's fields, notes) modified by the
> function when called from ap_http_filter().
> It could be a way for 2.2.x, but I don't think it's enough for trunk
> or even 2.4.x, because this implementation still breaks non-blocking
> mode (hence event), which is (also) why the core functions were
> modified in the previous patch.

I think I could be on board for that plan. Any others?

> This patch (still) does not propose to merge splitted trailers into
> headers (for those broken by the change), but when (and why) would we
> do that?

For 2.2, I would personally want to have the ability to restore the
old merging behavior before any release.   Joe drew his line there as

But I think Ed Lu is lurking and can take that last bit on.

Eric Covener

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