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Aurelien DARRAGON 29b76cae47 BUG/MEDIUM: server/log: "mode log" after server keyword causes crash 
In 9a74a6c ("MAJOR: log: introduce log backends"), a mistake was made:
it was assumed that the proxy mode was already known during server
keyword parsing in parse_server() function, but this is wrong.

Indeed, "mode log" can be declared late in the proxy section. Due to this,
a simple config like this will cause the process to crash:

   |backend test
   |
   |  server name 127.0.0.1:8080
   |  mode log

In order to fix this, we relax some checks in _srv_parse_init() and store
the address protocol from str2sa_range() in server struct, then we set-up
a postparsing function that is to be called after config parsing to
finish the server checks/initialization that depend on the proxy mode
to be known. We achieve this by checking the PR_CAP_LB capability from
the parent proxy to know if we're in such case where the effective proxy
mode is not yet known (it is assumed that other proxies which are implicit
ones don't provide this possibility and thus don't suffer from this
constraint).

Only then, if the capability is not found, we immediately perform the
server checks that depend on the proxy mode, else the check is postponed
and it will automatically be performed during postparsing thanks to the
REGISTER_POST_SERVER_CHECK() hook.

Note that we remove the SRV_PARSE_IN_LOG_BE flag because it was introduced
in the above commit and it is no longer relevant.

No backport needed unless 9a74a6c gets backported.
2023-10-25 11:59:27 +02:00
.github CI: github: add awslc 1.16.0 to the push CI 2023-10-11 11:38:27 +02:00
addons MEDIUM: tree-wide: logsrv struct becomes logger 2023-10-13 10:05:06 +02:00
admin MINOR: acme.sh: add the deploy script for acme.sh in admin directory 2023-04-26 17:32:15 +02:00
dev DEV: sslkeylogger: handle file opening error 2023-10-03 15:23:35 +02:00
doc MINOR: lua: change tune.lua.log.stderr default from 'on' to 'auto' 2023-10-25 07:49:03 +02:00
examples EXAMPLES: maintain haproxy 2.8 retrocompatibility for lua mailers script 2023-07-11 16:04:22 +02:00
include BUG/MEDIUM: server/log: "mode log" after server keyword causes crash 2023-10-25 11:59:27 +02:00
reg-tests MINOR: sample: Added support for Arrays in sample_conv_json_query in sample.c 2023-10-20 18:42:05 +02:00
scripts CI: ssl: add git id support for wolfssl download 2023-10-10 10:34:17 +02:00
src BUG/MEDIUM: server/log: "mode log" after server keyword causes crash 2023-10-25 11:59:27 +02:00
tests Revert "MAJOR: import: update mt_list to support exponential back-off" 2023-09-15 17:13:43 +02:00
.cirrus.yml CI: cirrus-ci: display gdb bt if any 2023-09-22 08:28:30 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CONTRIB: Add vi file extensions to .gitignore 2023-06-02 18:14:34 +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
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 2.9-dev8 2023-10-20 21:36:47 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL BUILD: ssl: Build with new cryptographic library AWS-LC 2023-09-04 18:19:18 +02:00
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: ssl: Build with new cryptographic library AWS-LC 2023-09-04 18:19:18 +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 2.9-dev8 2023-10-20 21:36:47 +02:00
VERSION [RELEASE] Released version 2.9-dev8 2023-10-20 21:36:47 +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)