Frédéric Lécaille 0aa79953c9 BUG/MINOR: quic: Unchecked source connection ID
The SCID (source connection ID) used by a peer (client or server) is sent into the
long header of a QUIC packet in clear. But it is also sent into the transport
parameters (initial_source_connection_id). As these latter are encrypted into the
packet, one must check that these two pieces of information do not differ
due to a packet header corruption. Furthermore as such a connection is unusuable
it must be killed and must stop as soon as possible processing RX/TX packets.

Implement qc_kill_con() to flag a connection as unusable and to kille it asap
waking up the idle timer task to release the connection.

Add a check to quic_transport_params_store() to detect that the SCIDs do not
match and make it call qc_kill_con().

Add several tests about connection to be killed at several critial locations,
especially in the TLS stack callback to receive CRYPTO data from or derive secrets,
and before preparing packet after having received others.

Must be backported to 2.6 and 2.7.
2023-02-03 17:55:55 +01:00
2021-09-16 09:14:14 +02:00
2023-01-22 14:20:57 +01:00
2023-01-22 14:20:57 +01:00
2023-01-22 14:20:57 +01:00

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)
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