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Christopher Faulet b68f77d626 BUG/MEDIUM: stream: Properly handle destructive client connection upgrades
When the protocol is changed for a client connection at the stream level
(from TCP to H1/H2), there are two cases. The stream may be reused or
not. The first case, when the stream is reused is working. The second one is
buggy since the conn-stream refactoring and leads to a crash.

In this case, the new mux don't reuse the stream. It must be silently
aborted. However, its front stream connector is still referencing the
connection. So it must be detached. But it must be performed in two stages,
to be sure to not loose the context for the upgrade and to be able to
rollback on error. So now, before the upgrade, we prepare to detach the
stconn and it is finally detached if the upgrade succeeds. There is a trick
here. Because we pretend the stconn is detached but its state is preserved.

This patch must be backported to 2.6.
2022-06-17 13:25:02 +02:00
.github CI: determine actual OpenSSL version dynamically 2022-05-20 23:26:48 +02:00
addons CLEANUP: applet: rename appctx_cs() to appctx_sc() 2022-05-27 19:33:35 +02:00
admin BUILD: halog: fix some incorrect signs in printf formats for integers 2022-04-12 08:40:38 +02:00
dev MINOR: qpack: implement standalone decoder tool 2022-06-15 15:42:10 +02:00
doc DOC: design: update the task vs thread affinity requirements 2022-06-14 16:16:22 +02:00
examples EXAMPLES: remove completely outdated acl-content-sw.cfg 2022-05-30 18:14:24 +02:00
include BUG/MEDIUM: stream: Properly handle destructive client connection upgrades 2022-06-17 13:25:02 +02:00
reg-tests REGTESTS: healthcheckmail: Relax health-check failure condition 2022-06-08 16:58:07 +02:00
scripts SCRIPTS: make publish-release try to launch make-releases-json 2022-05-30 15:44:10 +02:00
src BUG/MEDIUM: stream: Properly handle destructive client connection upgrades 2022-06-17 13:25:02 +02:00
tests CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
.cirrus.yml CI: cirrus: switch to FreeBSD-13.0 2022-04-12 07:59:06 +02:00
.gitattributes MINOR: Configure the `cpp` userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: qpack: implement standalone decoder tool 2022-06-15 15:42:10 +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-dev0 2022-05-31 17:05:27 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL MINOR: version: it's development again 2022-05-31 17:04:45 +02:00
LICENSE
MAINTAINERS DOC: add maintainers for QUIC and HTTP/3 2022-05-30 17:34:51 +02:00
Makefile MINOR: qpack: implement standalone decoder tool 2022-06-15 15:42:10 +02:00
README
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VERDATE [RELEASE] Released version 2.6.0 2022-05-31 16:58:21 +02:00
VERSION [RELEASE] Released version 2.7-dev0 2022-05-31 17:05:27 +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)