[Spice-devel] [spice-gtk v3] smartcard: Warn if multiple readers are detected

[Marc-André Lureau]

On Fri, Feb 22, 2019 at 11:40 AM Christophe Fergeau <cfergeau at redhat.com> wrote:
>
> spice-server does not deal properly with multiple smartcard readers,
> only the first one will be working. Add a warning when this happens to
> make it easier to diagnose such issues.
>
> Signed-off-by: Christophe Fergeau <cfergeau at redhat.com>

ack

> ---
>  src/smartcard-manager.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>
> diff --git a/src/smartcard-manager.c b/src/smartcard-manager.c
> index ceecfdc7..35bb2757 100644
> --- a/src/smartcard-manager.c
> +++ b/src/smartcard-manager.c
> @@ -389,6 +389,24 @@ typedef struct {
>      GError *err;
>  } SmartcardManagerInitArgs;
>
> +
> +static void smartcard_reader_free(gpointer data)
> +{
> +    g_boxed_free(SPICE_TYPE_SMARTCARD_READER, data);
> +}
> +
> +/* spice-server only supports one smartcard reader being in use */
> +static void smartcard_check_reader_count(void)
> +{
> +    GList *readers;
> +
> +    readers = spice_smartcard_manager_get_readers(spice_smartcard_manager_get());
> +    if (g_list_length(readers) > 1) {
> +        g_warning("Multiple smartcard readers are plugged in, only the first one will be shared with the VM");
> +    }
> +    g_list_free_full(readers, smartcard_reader_free);
> +}
> +
>  static gboolean smartcard_manager_init(SmartcardManagerInitArgs *args)
>  {
>      gchar *emul_args = NULL;
> @@ -442,6 +460,7 @@ init:
>                                  "Failed to initialize smartcard");
>          goto end;
>      }
> +    smartcard_check_reader_count();
>
>      retval = TRUE;
>
> --
> 2.20.1
>
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-- 
Marc-André Lureau