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vishnu 0af4bd7beb BUG/MEDIUM: lua: fix invalid return types in hlua_http_msg_get_body
hlua_http_msg_get_body must return either a Lua string or nil. For some
HTTPMessage objects, HTX_BLK_EOT blocks are also present in the HTX buffer
along with HTX_BLK_DATA blocks. In such cases, _hlua_http_msg_dup will start
copying data into a luaL_Buffer until it encounters an HTX_BLK_EOT. But then
instead of pushing neither the luaL_Buffer nor `nil` to the Lua stack, the
function will return immediately. The end result will be that the caller of
the HTTPMessage.body() method from a Lua filter will see whatever object was
on top of the stack as return value. It may be either a userdata object if
HTTPMessage.body() was called with only two arguments, or the third argument
itself if called with three arguments. Hence HTTPMessage.body() would return
either nil, or HTTPMessage body as Lua string, or a userdata objects, or
number.

This fix ensure that HTTPMessage.body() will always return either a string
or nil.

Reviewed-by: Christopher Faulet <cfaulet@haproxy.com>
2021-10-27 11:04:16 +02:00
.github CI: Clean up formatting in GitHub Action definitions 2021-10-18 07:17:04 +02:00
addons MINOR: proxy: Introduce proxy flags to replace disabled bitfield 2021-10-15 14:12:19 +02:00
admin BUILD: halog: fix a -Wundef warning on non-glibc systems 2021-09-13 09:32:01 +02:00
dev DEV: coccinelle: Add strcmp.cocci 2021-10-18 07:17:04 +02:00
doc [RELEASE] Released version 2.5-dev11 2021-10-22 19:40:44 +02:00
examples MEDIUM: proxy: remove long-broken 'option http_proxy' 2021-07-18 19:35:32 +02:00
include CLEANUP: lua: Remove any ambiguities about lua txn execution context flags 2021-10-27 11:04:16 +02:00
reg-tests MINOR: httpclient/lua: support more HTTP methods 2021-10-27 10:19:49 +02:00
scripts BUILD: adopt script/build-ssl.sh for OpenSSL-3.0.0beta2 2021-08-25 05:16:00 +02:00
src BUG/MEDIUM: lua: fix invalid return types in hlua_http_msg_get_body 2021-10-27 11:04:16 +02:00
tests CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
.cirrus.yml CI: introduce scripts/build-vtest.sh for installing VTest 2021-05-18 10:48:30 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore DOC: lua-api: Add documentation about lua filters 2021-08-15 20:56:44 +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 2.5-dev11 2021-10-22 19:40:44 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS CONTRIB: move spoa_example out of the tree 2021-04-21 09:39:06 +02:00
Makefile MINOR: jwt: Parse JWT alg field 2021-10-14 16:38:08 +02:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
ROADMAP DOC: update the outdated ROADMAP file 2019-06-15 21:59:54 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 2.5-dev11 2021-10-22 19:40:44 +02:00
VERSION [RELEASE] Released version 2.5-dev11 2021-10-22 19:40:44 +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)