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Re: [Qemu-devel] [PATCH 12/15] qapi: add change-vnc-listen (v2)


From: Luiz Capitulino
Subject: Re: [Qemu-devel] [PATCH 12/15] qapi: add change-vnc-listen (v2)
Date: Fri, 2 Sep 2011 17:50:05 -0300

On Fri,  2 Sep 2011 12:34:55 -0500
Anthony Liguori <address@hidden> wrote:

> New QMP only command to change the VNC server's listening address.
> 
> Signed-off-by: Anthony Liguori <address@hidden>
> ---
> v1 -> v2
>  - Enhanced docs (Luiz)
> ---
>  qapi-schema.json |   15 +++++++++++++++
>  qmp-commands.hx  |    8 ++++++++
>  qmp.c            |    7 +++++++
>  3 files changed, 30 insertions(+), 0 deletions(-)
> 
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 350cf1c..0c6c9b8 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -109,3 +109,18 @@
>  #         string.  Existing clients are unaffected by executing this command.
>  ##
>  { 'command': 'change-vnc-password', 'data': {'password': 'str'} }
> +
> +##
> +# @change-vnc-listen:
> +#
> +# Change the host that the VNC server listens on.
> +#
> +# @target:  the new server specification to listen on
> +#
> +# Since: 1.0
> +#
> +# Notes:  At this moment in time, the behavior of existing client connections
> +#         when this command is executed is undefined.  The authentication
> +#         settings may change after executing this command.

It seems to completely disable authentication. At least when using
password auth. I'd be very clear about that.

> +##
> +{ 'command': 'change-vnc-listen', 'data': {'target': 'str'} }
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 7df3938..5cab212 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -876,6 +876,14 @@ EQMP
>      },
>  
>      {
> +        .name       = "change-vnc-listen",
> +        .args_type  = "target:s",
> +        .params     = "target",
> +        .help       = "set vnc listening address",
> +        .mhandler.cmd_new = qmp_marshal_input_change_vnc_listen,
> +    },
> +
> +    {
>          .name       = "set_password",
>          .args_type  = "protocol:s,password:s,connected:s?",
>          .params     = "protocol password action-if-connected",
> diff --git a/qmp.c b/qmp.c
> index f817a88..73d6172 100644
> --- a/qmp.c
> +++ b/qmp.c
> @@ -35,3 +35,10 @@ void qmp_change_vnc_password(const char *password, Error 
> **err)
>          error_set(err, QERR_SET_PASSWD_FAILED);
>      }
>  }
> +
> +void qmp_change_vnc_listen(const char *target, Error **err)
> +{
> +    if (vnc_display_open(NULL, target) < 0) {
> +        error_set(err, QERR_VNC_SERVER_FAILED, target);
> +    }
> +}




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