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Willy Tarreau 094ecf19f9 BUG/MEDIUM: hpack: fix incorrect huffman decoding of some control chars 
Commit 9f4f6b038 ("OPTIM: hpack-huff: reduce the cache footprint of the
huffman decoder") replaced the large tables with more space efficient
byte arrays, but one table, rht_bit15_11_11_4, has a 64 bytes hole in it
that wasn't materialized by filling it with zeroes to make the offsets
match, nor by adjusting the offset from the caller. This resulted in
some control chars not properly being decoded and being seen as byte 0,
and the associated messages to be rejected, as can be seen in issue #1971.

This commit fixes it by adjusting the offset used for the higher part of
the table so that we don't need to store 64 zeroes that will never be
accessed.

This needs to be backported to 2.7.

Thanks to Christopher for spotting the bug, and to Juanga Covas for
providing precious traces showing the problem.
2023-01-26 11:36:39 +01:00
.github CI: Reformat matrix.py using black 2023-01-03 16:28:34 +01:00
addons BUG/MINOR: promex: Don't forget to consume the request on error 2023-01-13 09:45:23 +01:00
admin BUILD: halog: fix missing double-quote at end of help line 2022-11-25 11:11:41 +01:00
dev DEV: haring: add a new option "-r" to automatically repair broken files 2023-01-24 12:13:14 +01:00
doc [RELEASE] Released version 2.8-dev2 2023-01-22 14:20:57 +01:00
examples EXAMPLES: remove completely outdated acl-content-sw.cfg 2022-05-30 18:14:24 +02:00
include MINOR: mux-quic/h3: send SETTINGS as soon as transport is ready 2023-01-25 16:01:55 +01:00
reg-tests BUG/MINOR: jwt: Wrong return value checked 2023-01-20 10:27:37 +01:00
scripts SCRIPTS: run-regtests: add a version check 2022-11-30 18:44:33 +01:00
src BUG/MEDIUM: hpack: fix incorrect huffman decoding of some control chars 2023-01-26 11:36:39 +01:00
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 2.8-dev2 2023-01-22 14:20:57 +01:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL MINOR: version: mention that it's development again 2022-12-01 15:24:10 +01:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS CLEANUP: assorted typo fixes in the code and comments 2022-11-30 14:02:36 +01:00
Makefile BUILD: makefile: also list per-option settings in 'make opts' 2022-12-23 17:33:53 +01:00
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 2.8-dev2 2023-01-22 14:20:57 +01:00
VERSION [RELEASE] Released version 2.8-dev2 2023-01-22 14:20:57 +01:00

README 

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)