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  1. Oct 10, 2016
    • Evgeny Kotkov's avatar
      mod_dav: Note an API issue with the dav_hooks_repository.deliver(), · 040586c2
      Evgeny Kotkov authored 
      dav_hooks_vsn.deliver_report() and dav_hooks_vsn.merge() hook
definitions.

* modules/dav/main/mod_dav.h
  (dav_hooks_repository.deliver, dav_hooks_vsn.deliver_report,
   dav_hooks_vsn.merge): Add notes about the API issue.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1764043 13f79535-47bb-0310-9956-ffa450edef68
      040586c2
    • Evgeny Kotkov's avatar
      mod_dav: Fix a potential cause of unbounded memory usage or incorrect · 7d24a821
      Evgeny Kotkov authored 
      behavior in a routine that sends <DAV:response>'s to the output filters.

The dav_send_one_response() function accepts the current head of the output
filter list as an argument, but the actual head can change between calls to
ap_pass_brigade().  This can happen with self-removing filters, e.g., with
the filter from mod_headers or mod_deflate.  Consequently, executing an
already removed filter can either cause unwanted memory usage or incorrect
behavior.

This patch changes the signature of the existing mod_dav's public API,
dav_send_one_response(), because this API is not yet a part of any 2.4.x
release.

* modules/dav/main/mod_dav.c
  (dav_send_one_response): Accept a request_rec instead of an ap_filter_t.
   Write the response to r->output_filters.
  (dav_send_multistatus, dav_stream_response): Update these calling sites
   of dav_send_one_response().

* modules/dav/main/mod_dav.h
  (dav_send_one_response): Adjust definition.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1764040 13f79535-47bb-0310-9956-ffa450edef68
      7d24a821
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