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Re: [PATCH v8 3/3] qapi/monitor: allow VNC display id in set/expire_pass
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [PATCH v8 3/3] qapi/monitor: allow VNC display id in set/expire_password |
Date: |
Wed, 23 Feb 2022 13:45:05 +0000 |
User-agent: |
Mutt/2.1.5 (2021-12-30) |
* Markus Armbruster (armbru@redhat.com) wrote:
> Fabian Ebner <f.ebner@proxmox.com> writes:
>
> > Am 09.02.22 um 15:07 schrieb Markus Armbruster:
> >> Fabian Ebner <f.ebner@proxmox.com> writes:
> >>
> >>> From: Stefan Reiter <s.reiter@proxmox.com>
> >>>
> >>> It is possible to specify more than one VNC server on the command line,
> >>> either with an explicit ID or the auto-generated ones à la "default",
> >>> "vnc2", "vnc3", ...
> >>>
> >>> It is not possible to change the password on one of these extra VNC
> >>> displays though. Fix this by adding a "display" parameter to the
> >>> "set_password" and "expire_password" QMP and HMP commands.
> >>>
> >>> For HMP, the display is specified using the "-d" value flag.
> >>>
> >>> For QMP, the schema is updated to explicitly express the supported
> >>> variants of the commands with protocol-discriminated unions.
>
> [...]
>
> >>> diff --git a/hmp-commands.hx b/hmp-commands.hx
> >>> index 70a9136ac2..cc2f4bdeba 100644
> >>> --- a/hmp-commands.hx
> >>> +++ b/hmp-commands.hx
> >>> @@ -1514,33 +1514,35 @@ ERST
> >>>
> >>> {
> >>> .name = "set_password",
> >>> - .args_type = "protocol:s,password:s,connected:s?",
> >>> - .params = "protocol password action-if-connected",
> >>> + .args_type = "protocol:s,password:s,display:-dV,connected:s?",
> >>> + .params = "protocol password [-d display]
> >>> [action-if-connected]",
> >>> .help = "set spice/vnc password",
> >>> .cmd = hmp_set_password,
> >>> },
> >>>
> >>> SRST
> >>> -``set_password [ vnc | spice ] password [ action-if-connected ]``
> >>> - Change spice/vnc password. *action-if-connected* specifies what
> >>> - should happen in case a connection is established: *fail* makes the
> >>> - password change fail. *disconnect* changes the password and
> >>> +``set_password [ vnc | spice ] password [ -d display ] [
> >>> action-if-connected ]``
> >>
> >> This is the first flag with an argument in HMP. The alternative is
> >> another optional argument.
> >>
> >> PRO optional argument: no need for PATCH 1.
> >>
> >> PRO flag with argument: can specify the display without
> >> action-if-connected.
> >>
> >> Dave, this is your call to make.
> >>
> >
> > I'll go ahead with v9 once the decision is made.
>
> Dave?
I think the flag with argument is clearer; HMP has a problem of
having a lot of optional arguments that get very order dependent which
is messy; so I'd go with the flag with argument.
Dave
> [...]
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK