b150ae46dd
The formatting of the first-line, for a request or a response, does not properly handle the wrapping of the output buffer. This may lead to a data corruption for the current response or eventually for the previous one. Utility functions used to format the first-line of the request or the response rely on the chunk API. So it is not expected to pass a buffer that wraps. Unfortunatly, because of a change performed during the 2.9 dev cycle, the output buffer was direclty used instead of a non-wrapping buffer created from it with b_make() function. It is not an issue for the request because its start-line is always the first block formatted in the output buffer. But for the response, the output may be not empty and may wrap. In that case, the response start-line is dumped at a random position in the buffer, corrupting data. AFAIK, it is only an issue if the HTTP request pipelining is used. To fix the issue, we now take care to create a non-wapping buffer from the output buffer. This patch should fix issues #2779 and #2996. It must be backported as far as 2.9. |
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
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)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.