Fabian Vogt 14991ad071 Soften behaviour of the Compression=no/yes option ...

Currently Compression=no (the default) force-disables zlib algos, while
Compression=yes force-enables it. This means that mismatching options between
client and server lead to connection failure. This can easily happen if the
server has default settings but the client specifies Compression=yes.

OpenSSH treats the option as a "prefer compression" setting:
Compression=no  -> none,zlib@openssh.com,zlib (default)
Compression=yes -> zlib@openssh.com,zlib,none

This commit changes the libssh behaviour to the same as OpenSSH.

Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>

2022-01-05 11:26:30 +01:00

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