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validate grab serial for shell events

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This commit is contained in:
Tony Crisci 2017-12-27 08:04:01 -05:00
parent 069f120b70
commit 815d71a3aa
5 changed files with 36 additions and 1 deletions
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6
include/wlr/types/wlr_seat.h
View file

@ -509,4 +509,10 @@ int wlr_seat_touch_num_points(struct wlr_seat *seat);
*/ */
bool wlr_seat_touch_has_grab(struct wlr_seat *seat); bool wlr_seat_touch_has_grab(struct wlr_seat *seat);
/**
* Check whether this serial is valid to start a grab action such as an
* interactive move or resize.
*/
bool wlr_seat_validate_grab_serial(struct wlr_seat *seat, uint32_t serial);
#endif #endif

1
rootston/wl_shell.c
View file

@ -43,7 +43,6 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_input *input = view->desktop->server->input; struct roots_input *input = view->desktop->server->input;
struct wlr_wl_shell_surface_resize_event *e = data; struct wlr_wl_shell_surface_resize_event *e = data;
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat); struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
// TODO verify input event
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) { if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return; return;
} }

5
types/wlr_seat.c
View file

@ -1216,3 +1216,8 @@ int wlr_seat_touch_num_points(struct wlr_seat *seat) {
bool wlr_seat_touch_has_grab(struct wlr_seat *seat) { bool wlr_seat_touch_has_grab(struct wlr_seat *seat) {
return seat->touch_state.grab->interface != &default_touch_grab_impl; return seat->touch_state.grab->interface != &default_touch_grab_impl;
} }
bool wlr_seat_validate_grab_serial(struct wlr_seat *seat, uint32_t serial) {
return serial == seat->pointer_state.grab_serial ||
serial == seat->touch_state.grab_serial;
}

10
types/wlr_wl_shell.c
View file

@ -112,6 +112,11 @@ static void shell_surface_protocol_move(struct wl_client *client,
struct wlr_seat_client *seat = struct wlr_seat_client *seat =
wl_resource_get_user_data(seat_resource); wl_resource_get_user_data(seat_resource);
if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
wlr_log(L_DEBUG, "invalid serial for grab");
return;
}
struct wlr_wl_shell_surface_move_event event = { struct wlr_wl_shell_surface_move_event event = {
.surface = surface, .surface = surface,
.seat = seat, .seat = seat,
@ -170,6 +175,11 @@ static void shell_surface_protocol_resize(struct wl_client *client,
struct wlr_seat_client *seat = struct wlr_seat_client *seat =
wl_resource_get_user_data(seat_resource); wl_resource_get_user_data(seat_resource);
if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
wlr_log(L_DEBUG, "invalid serial for grab");
return;
}
struct wlr_wl_shell_surface_resize_event event = { struct wlr_wl_shell_surface_resize_event event = {
.surface = surface, .surface = surface,
.seat = seat, .seat = seat,

15
types/wlr_xdg_shell_v6.c
View file

@ -565,6 +565,11 @@ static void xdg_toplevel_protocol_show_window_menu(struct wl_client *client,
return; return;
} }
if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
wlr_log(L_DEBUG, "invalid serial for grab");
return;
}
struct wlr_xdg_toplevel_v6_show_window_menu_event event = { struct wlr_xdg_toplevel_v6_show_window_menu_event event = {
.surface = surface, .surface = surface,
.seat = seat, .seat = seat,
@ -590,6 +595,11 @@ static void xdg_toplevel_protocol_move(struct wl_client *client,
return; return;
} }
if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
wlr_log(L_DEBUG, "invalid serial for grab");
return;
}
struct wlr_xdg_toplevel_v6_move_event event = { struct wlr_xdg_toplevel_v6_move_event event = {
.surface = surface, .surface = surface,
.seat = seat, .seat = seat,
@ -613,6 +623,11 @@ static void xdg_toplevel_protocol_resize(struct wl_client *client,
return; return;
} }
if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
wlr_log(L_DEBUG, "invalid serial for grab");
return;
}
struct wlr_xdg_toplevel_v6_resize_event event = { struct wlr_xdg_toplevel_v6_resize_event event = {
.surface = surface, .surface = surface,
.seat = seat, .seat = seat,