layer-shell: Reject requests on gone surfaces
When the surface was destroyed but the resource is still around we might dereference a null pointer otherwise.
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@ -60,6 +60,10 @@ static void layer_surface_handle_ack_configure(struct wl_client *client,
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bool found = false;
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struct wlr_layer_surface_v1_configure *configure, *tmp;
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if (!surface) {
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return;
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}
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wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
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if (configure->serial < serial) {
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layer_surface_configure_destroy(configure);
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@ -88,6 +92,10 @@ static void layer_surface_handle_ack_configure(struct wl_client *client,
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static void layer_surface_handle_set_size(struct wl_client *client,
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struct wl_resource *resource, uint32_t width, uint32_t height) {
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struct wlr_layer_surface_v1 *surface = layer_surface_from_resource(resource);
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if (!surface) {
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return;
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}
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surface->client_pending.desired_width = width;
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surface->client_pending.desired_height = height;
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}
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@ -105,12 +113,20 @@ static void layer_surface_handle_set_anchor(struct wl_client *client,
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"invalid anchor %d", anchor);
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}
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struct wlr_layer_surface_v1 *surface = layer_surface_from_resource(resource);
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if (!surface) {
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return;
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}
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surface->client_pending.anchor = anchor;
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}
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static void layer_surface_handle_set_exclusive_zone(struct wl_client *client,
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struct wl_resource *resource, int32_t zone) {
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struct wlr_layer_surface_v1 *surface = layer_surface_from_resource(resource);
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if (!surface) {
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return;
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}
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surface->client_pending.exclusive_zone = zone;
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}
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@ -118,6 +134,10 @@ static void layer_surface_handle_set_margin(
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struct wl_client *client, struct wl_resource *resource,
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int32_t top, int32_t right, int32_t bottom, int32_t left) {
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struct wlr_layer_surface_v1 *surface = layer_surface_from_resource(resource);
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if (!surface) {
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return;
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}
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surface->client_pending.margin.top = top;
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surface->client_pending.margin.right = right;
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surface->client_pending.margin.bottom = bottom;
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@ -128,6 +148,10 @@ static void layer_surface_handle_set_keyboard_interactivity(
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struct wl_client *client, struct wl_resource *resource,
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uint32_t interactive) {
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struct wlr_layer_surface_v1 *surface = layer_surface_from_resource(resource);
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if (!surface) {
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return;
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}
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surface->client_pending.keyboard_interactive = !!interactive;
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}
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@ -139,6 +163,9 @@ static void layer_surface_handle_get_popup(struct wl_client *client,
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struct wlr_xdg_surface *popup_surface =
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wlr_xdg_surface_from_popup_resource(popup_resource);
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if (!parent) {
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return;
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}
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assert(popup_surface->role == WLR_XDG_SURFACE_ROLE_POPUP);
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struct wlr_xdg_popup *popup = popup_surface->popup;
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popup->parent = parent->surface;
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