Hi
On Wed, Feb 20, 2019 at 5:17 PM Christophe Fergeau <cfergeau@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> src/smartcard-manager.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/src/smartcard-manager.c b/src/smartcard-manager.c
> index ceecfdc7..456c3c2e 100644
> --- a/src/smartcard-manager.c
> +++ b/src/smartcard-manager.c
> @@ -389,6 +389,25 @@ typedef struct {
> GError *err;
> } SmartcardManagerInitArgs;
>
> +/* spice-server only supports one smartcard reader being in use */
> +static void smartcard_check_reader_count(void)
> +{
> + unsigned int reader_count = 0;
> + GList *readers;
> + GList *it;
> +
> + readers = spice_smartcard_manager_get_readers(spice_smartcard_manager_get());
> +
> + for (it = readers; it != NULL; it = it->next) {
> + reader_count++;
> + g_boxed_free(SPICE_TYPE_SMARTCARD_READER, it->data);
> + }
> + if (reader_count > 1) {
> + g_warning("Multiple smartcard readers are plugged in, only the first one will be shared with the VM");
> + }
> + g_list_free(readers);
looks ok, ack
it could eventually be simplified with g_list_count() &
g_list_free_full() (that would require wrapping the boxed_free with a
helper)
> +}
> +
> static gboolean smartcard_manager_init(SmartcardManagerInitArgs *args)
> {
> gchar *emul_args = NULL;
> @@ -442,6 +461,7 @@ init:
> "Failed to initialize smartcard");
> goto end;
> }
> + smartcard_check_reader_count();
>
> retval = TRUE;
>
> --
> 2.20.1
>
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