Hi Daniel,

On Fri, Jun 28, 2019 at 02:26:33PM -0700, Daniel MacDougall wrote:
> *# At operator or user level, the output is preceded by an extra blank
> line.*
> > sudo haproxy -W -S /run/haproxy/master.sock,mode,666,level,*operator* -f
> haproxy.cfg
> > socat /run/haproxy/master.sock stdio
> show cli level
> operator
> @1 show info
> Name: HAProxy
> Version: 2.0.1-1ppa1~bionic
> Release_date: 2019/06/27
> Nbthread: 8
> Nbproc: 1
> ...

Hi Daniel,

That's indeed a bug, and it's a side effect of the implementation of the level
parameter of the master CLI.

To lower the rights of the master CLI, a command is sent before the command you
ask, and that's probably this which returns a \n.

For example, if you have a master CLI with level operator:

`@1 show info` will send `operator;show info` to the first process.

I'll take a look at the code on monday to see if it's easily fixable.


William Lallemand

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