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authorDaniel P. Berrange <berrange@redhat.com>2017-02-03 12:06:45 +0000
committerGerd Hoffmann <kraxel@redhat.com>2017-02-09 17:28:45 +0100
commit275e0d616bc36f5e0ffa4eb5e28069d66e8e2137 (patch)
tree8f6def99bff5dc2a32d01e5519038720c0a3a00e /qemu-options.hx
parent4ee74fa7082a1a521dc5f7a4b61a62b61d1480b2 (diff)
downloadqemu-275e0d616bc36f5e0ffa4eb5e28069d66e8e2137.tar.gz
ui: refactor code for populating SocketAddress from vnc_display_open
The code which interprets the CLI args to populate the SocketAddress objects for plain & websockets VNC is quite complex already and will need further enhancements shortly. Refactor it into separate methods to avoid vnc_display_open getting even larger. As a side effect of the refactoring, it is now possible to specify a listen address for the websocket server explicitly. e.g, -vnc localhost:5900,websockets=0.0.0.0:8080 will listen on localhost for the plain VNC server, but expose the websockets VNC server on the public interface. This refactoring also removes the restriction that prevents enabling websockets when the plain VNC server is listening on a UNIX socket. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170203120649.15637-5-berrange@redhat.com [ kraxel: squashed clang build fix ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx12
1 files changed, 8 insertions, 4 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index ad2f8fc873..ac036b4cbd 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1296,10 +1296,14 @@ is a TCP port number, not a display number.
@item websocket
Opens an additional TCP listening port dedicated to VNC Websocket connections.
-By definition the Websocket port is 5700+@var{display}. If @var{host} is
-specified connections will only be allowed from this host.
-As an alternative the Websocket port could be specified by using
-@code{websocket}=@var{port}.
+If a bare @var{websocket} option is given, the Websocket port is
+5700+@var{display}. An alternative port can be specified with the
+syntax @code{websocket}=@var{port}.
+
+If @var{host} is specified connections will only be allowed from this host.
+It is possible to control the websocket listen address independently, using
+the syntax @code{websocket}=@var{host}:@var{port}.
+
If no TLS credentials are provided, the websocket connection runs in
unencrypted mode. If TLS credentials are provided, the websocket connection
requires encrypted client connections.