| #!/bin/env python3 |
| # SPDX-License-Identifier: GPL-2.0 |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright (c) 2017 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
| # Copyright (c) 2017 Red Hat, Inc. |
| # |
| # This program is free software: you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| # This is for generic devices |
| |
| from . import base |
| import logging |
| |
| logger = logging.getLogger("hidtools.test.hid") |
| |
| |
| class TestCollectionOverflow(base.BaseTestCase.TestUhid): |
| """ |
| Test class to test re-allocation of the HID collection stack in |
| hid-core.c. |
| """ |
| |
| def create_device(self): |
| # fmt: off |
| report_descriptor = [ |
| 0x05, 0x01, # .Usage Page (Generic Desktop) |
| 0x09, 0x02, # .Usage (Mouse) |
| 0xa1, 0x01, # .Collection (Application) |
| 0x09, 0x02, # ..Usage (Mouse) |
| 0xa1, 0x02, # ..Collection (Logical) |
| 0x09, 0x01, # ...Usage (Pointer) |
| 0xa1, 0x00, # ...Collection (Physical) |
| 0x05, 0x09, # ....Usage Page (Button) |
| 0x19, 0x01, # ....Usage Minimum (1) |
| 0x29, 0x03, # ....Usage Maximum (3) |
| 0x15, 0x00, # ....Logical Minimum (0) |
| 0x25, 0x01, # ....Logical Maximum (1) |
| 0x75, 0x01, # ....Report Size (1) |
| 0x95, 0x03, # ....Report Count (3) |
| 0x81, 0x02, # ....Input (Data,Var,Abs) |
| 0x75, 0x05, # ....Report Size (5) |
| 0x95, 0x01, # ....Report Count (1) |
| 0x81, 0x03, # ....Input (Cnst,Var,Abs) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0xa1, 0x02, # ....Collection (Logical) |
| 0x09, 0x01, # .....Usage (Pointer) |
| 0x05, 0x01, # .....Usage Page (Generic Desktop) |
| 0x09, 0x30, # .....Usage (X) |
| 0x09, 0x31, # .....Usage (Y) |
| 0x15, 0x81, # .....Logical Minimum (-127) |
| 0x25, 0x7f, # .....Logical Maximum (127) |
| 0x75, 0x08, # .....Report Size (8) |
| 0x95, 0x02, # .....Report Count (2) |
| 0x81, 0x06, # .....Input (Data,Var,Rel) |
| 0xa1, 0x02, # ...Collection (Logical) |
| 0x85, 0x12, # ....Report ID (18) |
| 0x09, 0x48, # ....Usage (Resolution Multiplier) |
| 0x95, 0x01, # ....Report Count (1) |
| 0x75, 0x02, # ....Report Size (2) |
| 0x15, 0x00, # ....Logical Minimum (0) |
| 0x25, 0x01, # ....Logical Maximum (1) |
| 0x35, 0x01, # ....Physical Minimum (1) |
| 0x45, 0x0c, # ....Physical Maximum (12) |
| 0xb1, 0x02, # ....Feature (Data,Var,Abs) |
| 0x85, 0x1a, # ....Report ID (26) |
| 0x09, 0x38, # ....Usage (Wheel) |
| 0x35, 0x00, # ....Physical Minimum (0) |
| 0x45, 0x00, # ....Physical Maximum (0) |
| 0x95, 0x01, # ....Report Count (1) |
| 0x75, 0x10, # ....Report Size (16) |
| 0x16, 0x01, 0x80, # ....Logical Minimum (-32767) |
| 0x26, 0xff, 0x7f, # ....Logical Maximum (32767) |
| 0x81, 0x06, # ....Input (Data,Var,Rel) |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ...End Collection |
| 0xc0, # ..End Collection |
| 0xc0, # .End Collection |
| ] |
| # fmt: on |
| return base.UHIDTestDevice( |
| name=None, rdesc=report_descriptor, application="Mouse" |
| ) |
| |
| def test_rdesc(self): |
| """ |
| This test can only check for negatives. If the kernel crashes, you |
| know why. If this test passes, either the bug isn't present or just |
| didn't get triggered. No way to know. |
| |
| For an explanation, see kernel patch |
| HID: core: replace the collection tree pointers with indices |
| """ |
| pass |
