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Christopher Faulet 910b7577bc BUG/MEDIUM: compression: handle rewrite errors when updating response headers
When an HTTP response is compressed by HAProxy, the headers are updated.
However it is possible to encounter a rewrite error because the buffer is
full. In this case, the compression is aborted. Thus, we must be sure to
leave the response in a valid state.

For now, it is an issue because the "Content-Encoding" header is added
before all other headers manipulations. So if the compression is aborted on
error, the "Content-Encoding" header may remain while the payload is not
compressed.

So now, we take care to leave with a valid response on error by reordering
the headers manipulations. It is too painful to really rollback all changes,
especially for an edge case.

This patch should be backported as far as 2.0. Note that on the 2.0, the
legacy HTTP part is also concerned.
2022-10-24 09:00:14 +02:00
.github CI: github: dump the backtrace of coredumps in the alpine container 2022-10-21 09:21:33 +02:00
addons CLEANUP: assorted typo fixes in the code and comments 2022-08-06 17:12:51 +02:00
admin BUILD: halog: fix some incorrect signs in printf formats for integers 2022-04-12 08:40:38 +02:00
dev MINOR: flags/mux-fcgi: Decode FCGI connection and stream flags 2022-10-12 17:10:41 +02:00
doc DOC: lua: add a note about compression w/ httpclient 2022-10-21 11:50:05 +02:00
examples EXAMPLES: remove completely outdated acl-content-sw.cfg 2022-05-30 18:14:24 +02:00
include BUG/MINOR: mux-quic: complete flow-control for uni streams 2022-10-21 17:31:18 +02:00
reg-tests REGTESTS: httpclient/lua: test the lua task timeout with the httpclient 2022-10-20 18:48:17 +02:00
scripts BUILD: scripts: disable tests build on QuicTLS build 2022-10-17 05:51:18 +02:00
src BUG/MEDIUM: compression: handle rewrite errors when updating response headers 2022-10-24 09:00:14 +02:00
tests TESTS: add a unit test for one_among_mask() 2022-06-21 20:29:57 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 13-1 2022-09-09 13:30:17 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CLEANUP: exclude udp-perturb with .gitignore 2022-09-16 15:47:04 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml CI: travis-ci: temporarily disable arm64 builds 2021-08-07 07:28:15 +02:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
CHANGELOG [RELEASE] Released version 2.7-dev8 2022-10-14 20:45:23 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL BUILD: Makefile: Add Lua 5.4 autodetect 2022-07-04 17:28:48 +02:00
LICENSE
MAINTAINERS DOC: add maintainers for QUIC and HTTP/3 2022-05-30 17:34:51 +02:00
Makefile BUILD: Makefile: add "USE_SHM_OPEN" on the linux-musl target 2022-10-21 10:35:37 +02:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 2.7-dev8 2022-10-14 20:45:23 +02:00
VERSION [RELEASE] Released version 2.7-dev8 2022-10-14 20:45:23 +02:00

The HAProxy documentation has been split into a number of different files for
ease of use.

Please refer to the following files depending on what you're looking for :

  - INSTALL for instructions on how to build and install HAProxy
  - BRANCHES to understand the project's life cycle and what version to use
  - LICENSE for the project's license
  - CONTRIBUTING for the process to follow to submit contributions

The more detailed documentation is located into the doc/ directory :

  - doc/intro.txt for a quick introduction on HAProxy
  - doc/configuration.txt for the configuration's reference manual
  - doc/lua.txt for the Lua's reference manual
  - doc/SPOE.txt for how to use the SPOE engine
  - doc/network-namespaces.txt for how to use network namespaces under Linux
  - doc/management.txt for the management guide
  - doc/regression-testing.txt for how to use the regression testing suite
  - doc/peers.txt for the peers protocol reference
  - doc/coding-style.txt for how to adopt HAProxy's coding style
  - doc/internals for developer-specific documentation (not all up to date)