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// SPDX-License-Identifier: MIT
/*
* Copyright © 2014 Red Hat, Inc.
*/
#include "config.h"
#include <errno.h>
#include <inttypes.h>
#include <unistd.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <linux/input.h>
#include <libevdev/libevdev.h>
#include <libevdev/libevdev-uinput.h>
#include "test-common.h"
START_TEST(test_revoke)
{
struct uinput_device* uidev;
struct libevdev *dev, *dev2;
int rc, fd;
struct input_event ev1, ev2;
int dev_fd;
test_create_device(&uidev, &dev,
EV_SYN, SYN_REPORT,
EV_REL, REL_X,
EV_REL, REL_Y,
EV_REL, REL_WHEEL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_RIGHT,
-1);
fd = open(uinput_device_get_devnode(uidev), O_RDONLY|O_NONBLOCK);
ck_assert_int_gt(fd, -1);
rc = libevdev_new_from_fd(fd, &dev2);
ck_assert_msg(rc == 0, "Failed to create second device: %s", strerror(-rc));
uinput_device_event(uidev, EV_REL, REL_X, 1);
uinput_device_event(uidev, EV_SYN, SYN_REPORT, 0);
for (int i = 0; i < 2; i++) {
rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev1);
ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
rc = libevdev_next_event(dev2, LIBEVDEV_READ_FLAG_NORMAL, &ev2);
ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
ck_assert_int_eq(ev1.type, ev2.type);
ck_assert_int_eq(ev1.code, ev2.code);
ck_assert_int_eq(ev1.value, ev2.value);
}
/* revoke first device, expect it closed, second device still open */
dev_fd = libevdev_get_fd(dev);
ck_assert_int_ge(dev_fd, 0);
rc = ioctl(dev_fd, EVIOCREVOKE, NULL);
if (rc == -1 && errno == EINVAL) {
fprintf(stderr, "WARNING: skipping EVIOCREVOKE test, not suported by current kernel\n");
goto out;
}
ck_assert_msg(rc == 0, "Failed to revoke device: %s", strerror(errno));
uinput_device_event(uidev, EV_REL, REL_X, 1);
uinput_device_event(uidev, EV_SYN, SYN_REPORT, 0);
rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev1);
ck_assert_int_eq(rc, -ENODEV);
rc = libevdev_next_event(dev2, LIBEVDEV_READ_FLAG_NORMAL, &ev2);
ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
out:
uinput_device_free(uidev);
libevdev_free(dev);
libevdev_free(dev2);
close(fd);
}
END_TEST
START_TEST(test_revoke_invalid)
{
struct uinput_device* uidev;
struct libevdev *dev;
int rc;
int dev_fd;
test_create_device(&uidev, &dev,
EV_SYN, SYN_REPORT,
EV_REL, REL_X,
EV_REL, REL_Y,
EV_REL, REL_WHEEL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_RIGHT,
-1);
dev_fd = libevdev_get_fd(dev);
ck_assert_int_ge(dev_fd, 0);
/* ioctl requires 0 as value */
rc = ioctl(dev_fd, EVIOCREVOKE, 1);
ck_assert_int_eq(rc, -1);
ck_assert_int_eq(errno, EINVAL);
uinput_device_free(uidev);
libevdev_free(dev);
}
END_TEST
START_TEST(test_revoke_fail_after)
{
struct uinput_device* uidev;
struct libevdev *dev, *dev2 = NULL;
int rc, fd;
test_create_device(&uidev, &dev,
EV_SYN, SYN_REPORT,
EV_REL, REL_X,
EV_REL, REL_Y,
EV_REL, REL_WHEEL,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_RIGHT,
-1);
fd = open(uinput_device_get_devnode(uidev), O_RDONLY|O_NONBLOCK);
ck_assert_int_gt(fd, -1);
rc = ioctl(fd, EVIOCREVOKE, NULL);
if (rc == -1 && errno == EINVAL) {
fprintf(stderr, "WARNING: skipping EVIOCREVOKE test, not suported by current kernel\n");
goto out;
}
ck_assert_msg(rc == 0, "Failed to revoke device: %s", strerror(errno));
rc = libevdev_new_from_fd(fd, &dev2);
ck_assert_int_eq(rc, -ENODEV);
out:
uinput_device_free(uidev);
libevdev_free(dev);
close(fd);
}
END_TEST
TEST_SUITE_ROOT_PRIVILEGES(kernel)
{
Suite *s = suite_create("kernel");
add_test(s, test_revoke);
add_test(s, test_revoke_invalid);
add_test(s, test_revoke_fail_after);
return s;
}
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