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In issue #657, Coverity found a bug in the "nameserver" parser for the resolv.conf when "parse-resolv-conf" is set. What happens is that if an unparsable address appears on a "nameserver" line, it will destroy the previously allocated pointer before reporting the warning, then the next "nameserver" line will dereference it again and wlil cause a crash. If the faulty nameserver is the last one, it will only be a memory leak. Let's just make sure we preserve the pointer when handling the error. The patch also fixes a typo in the warning. The bug was introduced in 1.9 with commit 44e609bfa ("MINOR: dns: Implement `parse-resolv-conf` directive") so the fix needs to be backported up to 1.9 or 2.0.
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)