Mailing List Archive

#1771: External VDP filters can't change resp_len on cached objects
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Reporter: fgsch | Owner:
Type: defect | Status: new
Priority: normal | Milestone:
Component: varnishd | Version: trunk
Severity: normal | Keywords:
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If you push a VDP filter in vcl_deliver{} and it needs to change the
object's length, changing req->resp_len in either the vmod or the VDP init
function will be lost in cnt_vdp()
for cached objects.
For non-cached objects (bo != NULL) the filter could unset C-L to get away
but if we are coming from vcl_hit{} there is no way around it.

As per discussion on irc:

12:28 < phk> fgs, yes, right now. That's what I said yesterday: We need
to move that C-L thing up before vcl_deliver{}

To be addressed post release.

--
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1771>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator

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