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b3119d4fb4
This is the h2 version of this previous fix:
BUG/MINOR: h1: do not accept '#' as part of the URI component
In addition to the current NUL/CR/LF, this will also reject all other
control chars, the space and '#' from the :path pseudo-header, to avoid
taking the '#' for a part of the path. It's still possible to fall back
to the previous behavior using "option accept-invalid-http-request".
This patch modifies the request parser to change the ":path" pseudo header
validation function with a new one that rejects 0x00-0x1F (control chars),
space and '#'. This way such chars will be dropped early in the chain, and
the search for '#' doesn't incur a second pass over the header's value.
This should be progressively backported to stable versions, along with the
following commits it relies on:
REGTESTS: http-rules: add accept-invalid-http-request for normalize-uri tests
REORG: http: move has_forbidden_char() from h2.c to http.h
MINOR: ist: add new function ist_find_range() to find a character range
MINOR: http: add new function http_path_has_forbidden_char()
MINOR: h2: pass accept-invalid-http-request down the request parser
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)