Re: SSHv2 doesn't actually have compression levels

[Tobias Geerinckx-Rice]

Ludo',

Welcome back :-)

Ludovic Courtès 写道：

I don’t get it: the ‘compression-level’ field defaults to 3, and OpenSSH

does:

  static int
  start_compression_out(struct ssh *ssh, int level)
  {
          if (level < 1 || level > 9)
                  return SSH_ERR_INVALID_ARGUMENT;
          debug("Enabling compression at level %d.", level);

  [...]

  }

What’s wrong?

Exactly!

 ~/openssh-8.0p1 λ grep -r start_compression_out
 packet.c:start_compression_out(struct ssh *ssh, int level)
 packet.c:      if ((r = start_compression_out(ssh, 6)) != 0)
 packet.c:      if ((r = start_compression_out(ssh, 6)) != 0)

Kind regards,

T G-R

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