[virt-tools-list] [v3: virt-viewer: PATCH 1/3] Ask for username when connecting with SASL

[Christophe Fergeau]

Hey,

I've pushed this SASL series.

Christophe

On Tue, Oct 07, 2014 at 04:28:16PM +0200, Fabiano Fidêncio wrote:
> When connecting with SASL for authentication, some authentication
> mechanisms need a username (the plain text and md5 ones, for example).
> ---
> Changes since v2:
> - Adapt this patch to the changes made in the spice-gtk patches
> ---
>  src/virt-viewer-session-spice.c | 29 ++++++++++++++++++++++++++---
>  1 file changed, 26 insertions(+), 3 deletions(-)
> 
> diff --git a/src/virt-viewer-session-spice.c b/src/virt-viewer-session-spice.c
> index 885399c..c342b7a 100644
> --- a/src/virt-viewer-session-spice.c
> +++ b/src/virt-viewer-session-spice.c
> @@ -483,6 +483,7 @@ virt_viewer_session_spice_main_channel_event(SpiceChannel *channel G_GNUC_UNUSED
>      VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
>      gchar *password = NULL, *user = NULL;
>      gboolean ret;
> +    static gboolean username_required = FALSE;
>  
>      g_return_if_fail(self != NULL);
>  
> @@ -502,22 +503,43 @@ virt_viewer_session_spice_main_channel_event(SpiceChannel *channel G_GNUC_UNUSED
>          g_debug("main channel: switching host");
>          break;
>      case SPICE_CHANNEL_ERROR_AUTH:
> -        g_debug("main channel: auth failure (wrong password?)");
> +    {
> +        const GError *error = NULL;
> +        g_debug("main channel: auth failure (wrong username/password?)");
> +
> +#if SPICE_GTK_CHECK_VERSION(0, 23, 21)
> +        {
> +            error = spice_channel_get_error(channel);
> +            username_required = g_error_matches(error,
> +                                                SPICE_CHANNEL_ERROR,
> +                                                SPICE_CHANNEL_ERROR_AUTH_NEEDS_PASSWORD_AND_USERNAME);
> +        }
> +#endif
>  
>          if (self->priv->pass_try > 0)
>              g_signal_emit_by_name(session, "session-auth-failed",
> -                                  _("invalid password"));
> +                                  error != NULL ? error->message : _("Invalid password"));
>          self->priv->pass_try++;
>  
> +        /* A username is *only* pre-filled in case where some authentication
> +         * error happened. Unfortunately, we don't have a clear way to
> +         * differantiate between invalid username and invalid password.
> +         * So, in both cases the username entry will be pre-filled with the
> +         * username used in the previous attempt. */
> +        if (username_required)
> +            g_object_get(self->priv->session, "username", &user, NULL);
> +
>          ret = virt_viewer_auth_collect_credentials(self->priv->main_window,
>                                                     "SPICE",
>                                                     NULL,
> -                                                   NULL, &password);
> +                                                   username_required ? &user : NULL,
> +                                                   &password);
>          if (!ret) {
>              g_signal_emit_by_name(session, "session-cancelled");
>          } else {
>              gboolean openfd;
>  
> +            g_object_set(self->priv->session, "username", user, NULL);
>              g_object_set(self->priv->session, "password", password, NULL);
>              g_object_get(self->priv->session, "client-sockets", &openfd, NULL);
>  
> @@ -527,6 +549,7 @@ virt_viewer_session_spice_main_channel_event(SpiceChannel *channel G_GNUC_UNUSED
>                  spice_session_connect(self->priv->session);
>          }
>          break;
> +    }
>      case SPICE_CHANNEL_ERROR_CONNECT:
>  #if SPICE_GTK_CHECK_VERSION(0, 23, 21)
>      {
> -- 
> 2.1.0
> 
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