[Varnish] #795: Conditional GETs based on modification time are not honored if Last-Modified was not explicitly set

[Varnish]

#795: Conditional GETs based on modification time are not honored if Last-
Modified was not explicitly set
------------------+---------------------------------------------------------
 Reporter:  runa  |        Type:  defect
   Status:  new   |    Priority:  normal
Milestone:        |   Component:  build 
  Version:  2.0   |    Severity:  normal
 Keywords:        |  
------------------+---------------------------------------------------------
 Varnish should add a last-modified (or at least set
 sp->obj->last_modified) of/to now if it doesn't get one from the backend.


 {{{

 > GET / HTTP/1.1
 > User-Agent: curl/7.19.7 (x86_64-pc-linux-gnu) libcurl/7.19.7
 OpenSSL/0.9.8n zlib/1.2.3.3 libidn/1.15
 > Host: www.x.com
 > Accept: */*
 > If-Modified-Since: Fri, 15 Oct 2010 20:09:12 GMT

 < HTTP/1.1 200 OK
 < Server: nginx/0.7.65
 < Date: Fri, 15 Oct 2010 20:08:24 GMT
 < Content-Type: text/html; charset=utf-8
 < Connection: keep-alive
 < Status: 200 OK
 < X-Runtime: 37
 < ETag: "735c2070da36d7ee8c24e57f4b0dbc88"
 < Content-Length: 8356
 < Cache-Control: max-age=86400, s-maxage=3600
 < X-Varnish: 1825324525 1825143446
 < Age: 31573
 < Via: 1.1 varnish
 < X-Cache: HIT
 }}}

-- 
Ticket URL: <http://varnish-cache.org/trac/ticket/795>
Varnish <http://varnish-cache.org/>
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