Re: [spice-gtk v1 1/2] gtk-session: clipboard: avoid possible index out of bounds

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On Wed, Jan 16, 2019 at 11:44 AM Victor Toso <victortoso@xxxxxxxxxx> wrote:
>
> From: Victor Toso <me@xxxxxxxxxxxxxx>
>
> Should first check selection value before accessing those arrays.
> The get_clipboard_from_selection() function does that for us.
>
> Signed-off-by: Victor Toso <victortoso@xxxxxxxxxx>


ack

> ---
>  src/spice-gtk-session.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/src/spice-gtk-session.c b/src/spice-gtk-session.c
> index 32f857d..1a19bca 100644
> --- a/src/spice-gtk-session.c
> +++ b/src/spice-gtk-session.c
> @@ -1014,15 +1014,14 @@ static gboolean clipboard_request(SpiceMainChannel *main, guint selection,
>      GtkClipboard* cb;
>      int m;
>
> +    cb = get_clipboard_from_selection(s, selection);
> +    g_return_val_if_fail(cb != NULL, FALSE);
>      g_return_val_if_fail(s->clipboard_by_guest[selection] == FALSE, FALSE);
>      g_return_val_if_fail(s->clip_grabbed[selection], FALSE);
>
>      if (read_only(self))
>          return FALSE;
>
> -    cb = get_clipboard_from_selection(s, selection);
> -    g_return_val_if_fail(cb != NULL, FALSE);
> -
>      if (type == VD_AGENT_CLIPBOARD_UTF8_TEXT) {
>          gtk_clipboard_request_text(cb, clipboard_received_text_cb,
>                                     get_weak_ref(self));
> --
> 2.20.1
>
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-- 
Marc-André Lureau
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