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evdev: add evdev_reject_device to reject a couple of oddball devices

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We really don't need to deal with devices that have x but not y or vice versa.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2015-03-17 12:41:13 +10:00
parent dc1d946170
commit edd534807d
2 changed files with 126 additions and 0 deletions
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23
src/evdev.c
View file

@ -1415,6 +1415,22 @@ evdev_fix_android_mt(struct evdev_device *device)
libevdev_get_abs_info(evdev, ABS_MT_POSITION_Y));
}
static int
evdev_reject_device(struct evdev_device *device)
{
struct libevdev *evdev = device->evdev;
if (libevdev_has_event_code(evdev, EV_ABS, ABS_X) ^
libevdev_has_event_code(evdev, EV_ABS, ABS_Y))
return -1;
if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ^
libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y))
return -1;
return 0;
}
static int
evdev_configure_device(struct evdev_device *device)
{
@ -1467,6 +1483,13 @@ evdev_configure_device(struct evdev_device *device)
return -1;
}
if (evdev_reject_device(device) == -1) {
log_info(libinput,
"input device '%s', %s was rejected.\n",
device->devname, devnode);
return -1;
}
if (libevdev_has_event_type(evdev, EV_ABS)) {
evdev_fix_android_mt(device);

103
test/device.c
View file

@ -716,6 +716,104 @@ START_TEST(device_group_ref)
}
END_TEST
START_TEST(abs_device_no_absx)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_device *device;
uinput = litest_create_uinput_device("test device", NULL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_RIGHT,
EV_ABS, ABS_Y,
-1);
li = litest_create_context();
litest_disable_log_handler(li);
device = libinput_path_add_device(li,
libevdev_uinput_get_devnode(uinput));
litest_restore_log_handler(li);
ck_assert(device == NULL);
libinput_unref(li);
libevdev_uinput_destroy(uinput);
}
END_TEST
START_TEST(abs_device_no_absy)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_device *device;
uinput = litest_create_uinput_device("test device", NULL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_RIGHT,
EV_ABS, ABS_X,
-1);
li = litest_create_context();
litest_disable_log_handler(li);
device = libinput_path_add_device(li,
libevdev_uinput_get_devnode(uinput));
litest_restore_log_handler(li);
ck_assert(device == NULL);
libinput_unref(li);
libevdev_uinput_destroy(uinput);
}
END_TEST
START_TEST(abs_mt_device_no_absy)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_device *device;
uinput = litest_create_uinput_device("test device", NULL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_RIGHT,
EV_ABS, ABS_X,
EV_ABS, ABS_Y,
EV_ABS, ABS_MT_SLOT,
EV_ABS, ABS_MT_POSITION_X,
-1);
li = litest_create_context();
litest_disable_log_handler(li);
device = libinput_path_add_device(li,
libevdev_uinput_get_devnode(uinput));
litest_restore_log_handler(li);
ck_assert(device == NULL);
libinput_unref(li);
libevdev_uinput_destroy(uinput);
}
END_TEST
START_TEST(abs_mt_device_no_absx)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_device *device;
uinput = litest_create_uinput_device("test device", NULL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_RIGHT,
EV_ABS, ABS_X,
EV_ABS, ABS_Y,
EV_ABS, ABS_MT_SLOT,
EV_ABS, ABS_MT_POSITION_Y,
-1);
li = litest_create_context();
litest_disable_log_handler(li);
device = libinput_path_add_device(li,
libevdev_uinput_get_devnode(uinput));
litest_restore_log_handler(li);
ck_assert(device == NULL);
libinput_unref(li);
libevdev_uinput_destroy(uinput);
}
END_TEST
int main (int argc, char **argv)
{
litest_add("device:sendevents", device_sendevents_config, LITEST_ANY, LITEST_TOUCHPAD);
@ -744,5 +842,10 @@ int main (int argc, char **argv)
litest_add("device:group", device_group_get, LITEST_ANY, LITEST_ANY);
litest_add_no_device("device:group", device_group_ref);
litest_add_no_device("device:invalid devices", abs_device_no_absx);
litest_add_no_device("device:invalid devices", abs_device_no_absy);
litest_add_no_device("device:invalid devices", abs_mt_device_no_absx);
litest_add_no_device("device:invalid devices", abs_mt_device_no_absy);
return litest_run(argc, argv);
}