static void override_abs(int fd, const char *devnode,
unsigned evcode, const char *value) {
struct input_absinfo absinfo;
int rc;
char *next;
rc = ioctl(fd, EVIOCGABS(evcode), &absinfo);
if (rc < 0) {
log_error_errno(errno, "Unable to EVIOCGABS device \"%s\"", devnode);
return;
}
next = parse_token(value, &absinfo.minimum);
next = parse_token(next, &absinfo.maximum);
next = parse_token(next, &absinfo.resolution);
next = parse_token(next, &absinfo.fuzz);
next = parse_token(next, &absinfo.flat);
if (!next) {
log_error("Unable to parse EV_ABS override '%s' for '%s'", value, devnode);
return;
}
log_debug("keyboard: %x overridden with %"PRIi32"/%"PRIi32"/%"PRIi32"/%"PRIi32"/%"PRIi32" for \"%s\"",
evcode,
absinfo.minimum, absinfo.maximum, absinfo.resolution, absinfo.fuzz, absinfo.flat,
devnode);
rc = ioctl(fd, EVIOCSABS(evcode), &absinfo);
if (rc < 0)
log_error_errno(errno, "Unable to EVIOCSABS device \"%s\"", devnode);
}
static int
evdev_write_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
/* fixed-number fixed-length commands */
switch (code) {
# ifdef EVIOCSREP
case EVIOCSREP:
return repeat_ioctl(tcp, arg);
# endif
case EVIOCSKEYCODE:
return keycode_ioctl(tcp, arg);
# ifdef EVIOCSKEYCODE_V2
case EVIOCSKEYCODE_V2:
return keycode_V2_ioctl(tcp, arg);
# endif
case EVIOCSFF:
return ff_effect_ioctl(tcp, arg);
case EVIOCRMFF:
tprintf(", %d", (int) arg);
return 1;
case EVIOCGRAB:
# ifdef EVIOCREVOKE
case EVIOCREVOKE:
# endif
tprintf(", %" PRI_klu, arg);
return 1;
# ifdef EVIOCSCLOCKID
case EVIOCSCLOCKID:
tprints(", ");
printnum_int(tcp, arg, "%u");
return 1;
# endif
}
/* multi-number fixed-length commands */
if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0)))
return abs_ioctl(tcp, arg);
return 0;
}
int
main(void)
{
TEST_NULL_ARG(EVIOCGVERSION);
TEST_NULL_ARG(EVIOCGEFFECTS);
TEST_NULL_ARG(EVIOCGID);
TEST_NULL_ARG(EVIOCGKEYCODE);
TEST_NULL_ARG(EVIOCSKEYCODE);
TEST_NULL_ARG(EVIOCSFF);
# ifdef EVIOCGKEYCODE_V2
TEST_NULL_ARG(EVIOCGKEYCODE_V2);
# endif
# ifdef EVIOCSKEYCODE_V2
TEST_NULL_ARG(EVIOCSKEYCODE_V2);
# endif
# ifdef EVIOCGREP
TEST_NULL_ARG(EVIOCGREP);
# endif
# ifdef EVIOCSREP
TEST_NULL_ARG(EVIOCSREP);
# endif
# ifdef EVIOCSCLOCKID
TEST_NULL_ARG(EVIOCSCLOCKID);
# endif
TEST_NULL_ARG(EVIOCGNAME(0));
TEST_NULL_ARG(EVIOCGPHYS(0));
TEST_NULL_ARG(EVIOCGUNIQ(0));
TEST_NULL_ARG(EVIOCGKEY(0));
TEST_NULL_ARG(EVIOCGLED(0));
# ifdef EVIOCGMTSLOTS
TEST_NULL_ARG(EVIOCGMTSLOTS(0));
# endif
# ifdef EVIOCGPROP
TEST_NULL_ARG(EVIOCGPROP(0));
# endif
TEST_NULL_ARG(EVIOCGSND(0));
# ifdef EVIOCGSW
TEST_NULL_ARG(EVIOCGSW(0));
# endif
TEST_NULL_ARG(EVIOCGABS(ABS_X));
TEST_NULL_ARG(EVIOCSABS(ABS_X));
TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
# ifdef EV_SW
TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
# endif
TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
" = -1 EBADF (%m)\n", EV_MAX);
ioctl(-1, EVIOCRMFF, lmagic);
printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
ioctl(-1, EVIOCGRAB, lmagic);
printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
# ifdef EVIOCREVOKE
ioctl(-1, EVIOCREVOKE, lmagic);
printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
# endif
const unsigned int size = get_page_size();
void *const page = tail_alloc(size);
fill_memory(page, size);
int *const val_int = tail_alloc(sizeof(*val_int));
*val_int = magic;
# ifdef EVIOCSCLOCKID
ioctl(-1, EVIOCSCLOCKID, val_int);
printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
# endif
int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
pair_int[0] = 0xdeadbeef;
pair_int[1] = 0xbadc0ded;
# ifdef EVIOSGREP
ioctl(-1, EVIOCSREP, pair_int);
printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
pair_int[0], pair_int[1]);
# endif
pair_int[1] = 1;
ioctl(-1, EVIOCSKEYCODE, pair_int);
printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
pair_int[0], "KEY_ESC");
# ifdef EVIOCSKEYCODE_V2
struct input_keymap_entry *const ike = tail_alloc(sizeof(*ike));
fill_memory(ike, sizeof(*ike));
ike->keycode = 2;
ioctl(-1, EVIOCSKEYCODE_V2, ike);
printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
", len=%" PRIu8 ", ", ike->flags, ike->len);
# if VERBOSE
printf("index=%" PRIu16 ", keycode=%s, scancode=[",
ike->index, "KEY_1");
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
if (i > 0)
printf(", ");
printf("%" PRIx8, ike->scancode[i]);
}
printf("]");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
struct ff_effect *const ffe = tail_alloc(sizeof(*ffe));
fill_memory(ffe, sizeof(*ffe));
ffe->type = FF_CONSTANT;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_CONSTANT");
# if VERBOSE
printf(", constant={level=%hd", ffe->u.constant.level);
print_envelope(&ffe->u.constant.envelope);
printf("}");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# if VERBOSE
ffe->type = FF_RAMP;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RAMP");
printf(", ramp={start_level=%hd, end_level=%hd",
ffe->u.ramp.start_level, ffe->u.ramp.end_level);
print_envelope(&ffe->u.ramp.envelope);
errno = EBADF;
printf("}}) = -1 EBADF (%m)\n");
ffe->type = FF_PERIODIC;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_PERIODIC");
printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
", offset=%hd, phase=%hu",
ffe->u.periodic.waveform, ffe->u.periodic.period,
ffe->u.periodic.magnitude, ffe->u.periodic.offset,
ffe->u.periodic.phase);
print_envelope(&ffe->u.periodic.envelope);
printf(", custom_len=%u, custom_data=%p}",
ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = FF_RUMBLE;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RUMBLE");
printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = 0xff;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "0xff /* FF_??? */");
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
puts("+++ exited with 0 +++");
return 0;
}
static void input_sanitise(const struct ioctl_group *grp, int childno)
{
unsigned int u, r;
pick_random_ioctl(grp, childno);
switch (shm->syscall[childno].a2) {
case EVIOCGNAME(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGNAME(u);
break;
case EVIOCGPHYS(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGPHYS(u);
break;
case EVIOCGUNIQ(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGUNIQ(u);
break;
#ifdef EVIOCGPROP
case EVIOCGPROP(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGPROP(u);
break;
#endif
#ifdef EVIOCGMTSLOTS
case EVIOCGMTSLOTS(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGMTSLOTS(u);
break;
#endif
case EVIOCGKEY(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGKEY(u);
break;
case EVIOCGLED(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGLED(u);
break;
case EVIOCGSND(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGSND(u);
break;
case EVIOCGSW(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGSW(u);
break;
case EVIOCGBIT(0,0):
u = rand();
r = rand();
if (u % 10) u %= EV_CNT;
if (r % 10) r /= 4;
shm->syscall[childno].a2 = EVIOCGBIT(u, r);
break;
case EVIOCGABS(0):
u = rand();
if (u % 10) u %= ABS_CNT;
shm->syscall[childno].a2 = EVIOCGABS(u);
break;
case EVIOCSABS(0):
u = rand();
if (u % 10) u %= ABS_CNT;
shm->syscall[childno].a2 = EVIOCSABS(u);
break;
default:
break;
}
}
IOCTL(EVIOCGNAME(0)),
IOCTL(EVIOCGPHYS(0)),
IOCTL(EVIOCGUNIQ(0)),
#ifdef EVIOCGPROP
IOCTL(EVIOCGPROP(0)),
#endif
#ifdef EVIOCGMTSLOTS
IOCTL(EVIOCGMTSLOTS(0)),
#endif
IOCTL(EVIOCGKEY(0)),
IOCTL(EVIOCGLED(0)),
IOCTL(EVIOCGSND(0)),
IOCTL(EVIOCGSW(0)),
IOCTL(EVIOCGBIT(0,0)),
IOCTL(EVIOCGABS(0)),
IOCTL(EVIOCSABS(0)),
IOCTL(EVIOCSFF),
IOCTL(EVIOCRMFF),
IOCTL(EVIOCGEFFECTS),
IOCTL(EVIOCGRAB),
#ifdef EVIOCSCLOCKID
IOCTL(EVIOCSCLOCKID),
#endif
};
static const char *const input_devs[] = {
"input",
};
static void input_sanitise(const struct ioctl_group *grp, int childno)
{
static void do_calibration_da9052(int do_calib)
{
int i, x, y;
int dx[3], dy[3];
int tx[3], ty[3];
int delta, delta_x[3], delta_y[3];
struct input_absinfo absX, absY;
if (do_calib) {
/* calculate the expected point */
x = info.xres / 4;
y = info.yres / 4;
dx[0] = x;
dy[0] = info.yres / 2;
dx[1] = info.xres / 2;
dy[1] = y;
dx[2] = info.xres - x;
dy[2] = info.yres - y;
for (i = 0; i < 3; i ++) {
draw_cross(dx[i], dy[i], 0);
get_input(&tx[i], &ty[i]);
log_write("Received x,y -> Expected x,y\n");
log_write("%d,%d -> %d,%d\n",
tx[i], ty[i], dx[i], dy[i]);
draw_cross(dx[i], dy[i], 1);
}
/* check ok, calulate the result */
delta = (tx[0] - tx[2]) * (ty[1] - ty[2])
- (tx[1] - tx[2]) * (ty[0] - ty[2]);
delta_x[0] = (dx[0] - dx[2]) * (ty[1] - ty[2])
- (dx[1] - dx[2]) * (ty[0] - ty[2]);
delta_x[1] = (tx[0] - tx[2]) * (dx[1] - dx[2])
- (tx[1] - tx[2]) * (dx[0] - dx[2]);
delta_x[2] = dx[0] * (tx[1] * ty[2] - tx[2] * ty[1]) -
dx[1] * (tx[0] * ty[2] - tx[2] * ty[0]) +
dx[2] * (tx[0] * ty[1] - tx[1] * ty[0]);
delta_y[0] = (dy[0] - dy[2]) * (ty[1] - ty[2])
- (dy[1] - dy[2]) * (ty[0] - ty[2]);
delta_y[1] = (tx[0] - tx[2]) * (dy[1] - dy[2])
- (tx[1] - tx[2]) * (dy[0] - dy[2]);
delta_y[2] = dy[0] * (tx[1] * ty[2] - tx[2] * ty[1]) -
dy[1] * (tx[0] * ty[2] - tx[2] * ty[0]) +
dy[2] * (tx[0] * ty[1] - tx[1] * ty[0]);
cal_val[0] = delta_x[0];
cal_val[1] = delta_x[1];
cal_val[2] = delta_x[2];
cal_val[3] = delta_y[0];
cal_val[4] = delta_y[1];
cal_val[5] = delta_y[2];
cal_val[6] = delta;
save_conf(cal_val);
write_conf(cal_val);
}
/* Android input framework expects values based on the absmax.
Now that the touchscreen is calibrated set the input maximum
according to screen resolution, not the touch sensor resolution */
if (ioctl(ts_fd, EVIOCGABS(ABS_X), &absX) == -1) {
log_write("EVIOCGABS( failed\n");
} else {
log_write("Modifying x.max:%i -> %i\n", absX.maximum, info.xres);
absX.maximum = info.xres;
if (ioctl(ts_fd, EVIOCSABS(ABS_X), &absX) == -1)
log_write("EVIOCSABS( failed\n");
}
if (ioctl(ts_fd, EVIOCGABS(ABS_Y), &absY) == -1) {
log_write("EVIOCGABS( failed\n");
} else {
log_write("Modifying y.max:%i -> %i\n", absY.maximum, info.yres);
absY.maximum = info.yres;
if (ioctl(ts_fd, EVIOCSABS(ABS_Y), &absY) == -1)
log_write("EVIOCSABS( failed\n");
}
}