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Reject messages with trailing junk

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These will never be sent by libwayland and likely indicate that a peer
is using a wrong protocol specification.  Furthermore, there are other
implementations that also reject such messages, so using them is not
portable.

Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
This commit is contained in:
Demi Marie Obenour 2024-07-24 21:21:21 -04:00
parent 87e2b7d6c2
commit 0134cf4cde
2 changed files with 8 additions and 0 deletions
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2
doc/publican/sources/Protocol.xml
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@ -113,6 +113,8 @@
The second has 2 parts of 16 bits each. The upper 16 bits are the message
size in bytes, starting at the header (i.e. it has a minimum value of 8).
The lower is the request/event opcode. The size must be a multiple of 4.
Messages must be sent using the fewest bytes possible, so padding after
the end of a message is not permitted.
</para>
</listitem>
</itemizedlist>