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Willy Tarreau bc7c207f74 BUG/MAJOR: stick-tables: do not try to index a server name for applets 
Since commit 03cdf55e6 ("MINOR: stream: Stickiness server lookup by name.")
in 2.0-dev6, server names may be used instead of their IDs, in order to
perform stickiness. However the commit above may end up trying to insert
an empty server name in the dictionary when the server is an applet
instead, resulting in an immediate segfault. This is typically what
happens when a "stick-store" rule is present in a backend featuring a
"stats" directive. As there doesn't seem to be an easy way around it,
it seems to imply that "stick-store" is not much used anymore.

The solution here is to only try to insert non-null keys into the
dictionary. The patch moves the check of the key type before the
first lock so that the test on the key can be performed under the lock
instead of locking twice (the patch is more readable with diff -b).

Note that before 2.4, there's no <key> variable there as it was
introduced by commit 92149f9a8 ("MEDIUM: stick-tables: Add srvkey
option to stick-table"), but the __objt_server(s->target)->id still
needs to be tested.

This needs to be backported as far as 2.0.
2022-10-12 14:19:05 +02:00
.github CI: enable weekly "m32" builds on x86_64 2022-08-06 17:10:16 +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-h1: decode H1C and H1S flags 2022-09-15 11:01:59 +02:00
doc DOC: configuration: missing 'if' in tcp-request content example 2022-10-12 09:22:05 +02:00
examples EXAMPLES: remove completely outdated acl-content-sw.cfg 2022-05-30 18:14:24 +02:00
include CLEANUP: quic/receiver: remove the now unused tx_qring list 2022-10-11 08:40:38 +02:00
reg-tests BUG/MINOR: checks: update pgsql regex on auth packet 2022-10-03 15:31:22 +02:00
scripts SCRIPTS: announce-release: update some URLs to https 2022-09-17 12:17:07 +02:00
src BUG/MAJOR: stick-tables: do not try to index a server name for applets 2022-10-12 14:19:05 +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
CHANGELOG [RELEASE] Released version 2.7-dev7 2022-10-03 15:20:38 +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 CLEANUP: quic: create a dedicated quic_conn module 2022-10-03 16:25:17 +02:00
README
SUBVERS
VERDATE [RELEASE] Released version 2.7-dev7 2022-10-03 15:20:38 +02:00
VERSION [RELEASE] Released version 2.7-dev7 2022-10-03 15:20:38 +02:00

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)