The problem actually lies in gtk-vnc. Running vinagre with the --gtk-
vnc-debug flag shows:
(vinagre:23947): gvnc-DEBUG: vncconnection.c Protocol initialization
(vinagre:23947): gvnc-DEBUG: vncconnection.c Server version: 3.7
(vinagre:23947): gvnc-DEBUG: vncconnection.c Using version: 3.7
(vinagre:23947): gvnc-DEBUG: vncconnection.c Possible auth 18
(vinagre:23947): gvnc-DEBUG: vncconnection.c Possible auth 1
(vinagre:23947): gvnc-DEBUG: vncconnection.c Emit main context 10
(vinagre:23947): gvnc-DEBUG: vncconnection.c Thinking about auth type 18
(vinagre:23947): gvnc-DEBUG: vncconnection.c Decided on auth type 18
(vinagre:23947): gvnc-DEBUG: vncconnection.c Waiting for auth type
(vinagre:23947): gvnc-DEBUG: vncconnection.c Choose auth 18
(vinagre:23947): gvnc-DEBUG: vncconnection.c Do TLS handshake
(vinagre:23947): gvnc-DEBUG: vncconnection.c Handshake was blocking
...
(vinagre:23947): gvnc-DEBUG: vncconnection.c Completed TLS setup
(vinagre:23947): gvnc-DEBUG: vncconnection.c Got 1 subauths
(vinagre:23947): gvnc-DEBUG: vncconnection.c Got 1 subauths
(vinagre:23947): gvnc-DEBUG: vncconnection.c Possible sub-auth 1
(vinagre:23947): gvnc-DEBUG: vncconnection.c Emit main context 10
(vinagre:23947): gvnc-DEBUG: vncconnection.c Thinking about auth type 1
(vinagre:23947): gvnc-DEBUG: vncconnection.c Auth failed
"emit main context 10" means it is doing VNC_AUTH_CHOOSE_TYPE. It calls
this twice, but instead should be calling VNC_AUTH_CHOOSE_TYPE followed
by VNC_AUTH_CHOOSE_SUBTYPE like it does in Lucid (ie the second call
should be saying "emit main context 12").
The following hack in vncconnection.c works around the problem and
allows connection:
gboolean vnc_connection_set_auth_type(VncConnection *conn, unsigned int type)
{
VncConnectionPrivate *priv = conn->priv;
VNC_DEBUG("Thinking about auth type %u", type);
// We are incorrectly called twice, once for auth and then again for
subtype auth.
// Because the auth_type is set (eg to TLS), the connection immediately
fails.
// This hack works around the problem:
if (priv->auth_type != VNC_CONNECTION_AUTH_INVALID) {
return vnc_connection_set_auth_subtype(conn, type);
}
if (priv->auth_type != VNC_CONNECTION_AUTH_INVALID) {
--
vinagre fails to connect to any VNC server
https://bugs.launchpad.net/bugs/634571
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