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Tim Duesterhus 6ea00195c4 BUG/MINOR: vars: Fix memory leak in vars_check_arg 
vars_check_arg previously leaked the string containing the variable
name:

Consider this config:

    frontend fe1
        mode http
        bind :8080
        http-request set-header X %[var(txn.host)]

Starting HAProxy and immediately stopping it by sending a SIGINT makes
Valgrind report this leak:

    ==7795== 9 bytes in 1 blocks are definitely lost in loss record 15 of 71
    ==7795==    at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
    ==7795==    by 0x4AA2AD: my_strndup (standard.c:2227)
    ==7795==    by 0x51FCC5: make_arg_list (arg.c:146)
    ==7795==    by 0x4CF095: sample_parse_expr (sample.c:897)
    ==7795==    by 0x4BA7D7: add_sample_to_logformat_list (log.c:495)
    ==7795==    by 0x4BBB62: parse_logformat_string (log.c:688)
    ==7795==    by 0x4E70A9: parse_http_req_cond (http_rules.c:239)
    ==7795==    by 0x41CD7B: cfg_parse_listen (cfgparse-listen.c:1466)
    ==7795==    by 0x480383: readcfgfile (cfgparse.c:2089)
    ==7795==    by 0x47A081: init (haproxy.c:1581)
    ==7795==    by 0x4049F2: main (haproxy.c:2591)

This leak can be detected even in HAProxy 1.6, this patch thus should
be backported to all supported branches.
2019-05-11 06:00:50 +02:00
.github/ISSUE_TEMPLATE DOC: add github issue templates 2019-01-17 22:53:55 +01:00
contrib MINOR: systemd: support /etc/sysconfig/ for redhat based distrib 2019-05-07 14:11:55 +02:00
doc MINOR: streams: Introduce a new retry-on keyword, all-retryable-errors. 2019-05-10 18:05:35 +02:00
ebtree CLEANUP: fix typos in comments in ebtree 2018-11-18 22:23:15 +01:00
examples CLEANUP: wurfl: removed deprecated methods 2019-04-23 11:00:23 +02:00
include MEDIUM: streams: Add a new http action, disable-l7-retry. 2019-05-10 17:49:09 +02:00
reg-tests REGTEST: Wrong assumption in IP:port logging test. 2019-05-07 13:58:35 +02:00
scripts BUILD: add BoringSSL to travis-ci build matrix 2019-05-10 10:39:29 +02:00
src BUG/MINOR: vars: Fix memory leak in vars_check_arg 2019-05-11 06:00:50 +02:00
tests CLEANUP: fix a misspell in tests/filltab25.c 2018-11-18 22:23:15 +01:00
.gitignore DOC: split the README into README + INSTALL 2018-12-16 22:30:57 +01:00
.travis.yml BUILD: add BoringSSL to travis-ci build matrix 2019-05-10 10:39:29 +02:00
CHANGELOG [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +01:00
CONTRIBUTING DOC: Fix typos in README and CONTRIBUTING 2018-11-12 08:54:12 +01:00
INSTALL Revert "CLEANUP: wurfl: remove dead, broken and unmaintained code" 2019-04-23 10:34:43 +02:00
LICENSE
MAINTAINERS DOC: wurfl: added point of contact in MAINTAINERS file 2019-04-23 11:00:23 +02:00
Makefile REGTEST: replace LEVEL option by a more human readable one. 2019-04-23 15:14:52 +02:00
README DOC: split the README into README + INSTALL 2018-12-16 22:30:57 +01:00
ROADMAP DOC: update the roadmap about priority queues 2018-08-10 17:12:04 +02:00
SUBVERS
VERDATE [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +01:00
VERSION [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +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
  - 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)