/*
* ntp_adjtime() - NTP daemon application interface
*/
int
sys_ntp_adjtime(struct lwp *l, const struct sys_ntp_adjtime_args *uap, register_t *retval)
{
/* {
syscallarg(struct timex *) tp;
} */
struct timex ntv;
int error = 0;
error = copyin((void *)SCARG(uap, tp), (void *)&ntv, sizeof(ntv));
if (error != 0)
return (error);
if (ntv.modes != 0 && (error = kauth_authorize_system(l->l_cred,
KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_NTPADJTIME, NULL,
NULL, NULL)) != 0)
return (error);
ntp_adjtime1(&ntv);
error = copyout((void *)&ntv, (void *)SCARG(uap, tp), sizeof(ntv));
if (!error)
*retval = ntp_timestatus();
return error;
}
int
netbsd32_ntp_adjtime(struct lwp *l, const struct netbsd32_ntp_adjtime_args *uap, register_t *retval)
{
/* {
syscallarg(netbsd32_timexp_t) tp;
} */
struct netbsd32_timex ntv32;
struct timex ntv;
int error = 0;
int modes;
if ((error = copyin(SCARG_P32(uap, tp), &ntv32, sizeof(ntv32))))
return (error);
netbsd32_to_timex(&ntv32, &ntv);
/*
* Update selected clock variables - only the superuser can
* change anything. Note that there is no error checking here on
* the assumption the superuser should know what it is doing.
*/
modes = ntv.modes;
if (modes != 0 && (error = kauth_authorize_system(l->l_cred,
KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_NTPADJTIME, NULL, NULL,
NULL)))
return (error);
ntp_adjtime1(&ntv);
netbsd32_from_timex(&ntv, &ntv32);
error = copyout(&ntv32, SCARG_P32(uap, tp), sizeof(ntv32));
if (!error) {
*retval = ntp_timestatus();
}
return error;
}
int
clockctlioctl(
dev_t dev,
u_long cmd,
void *data,
int flags,
struct lwp *l)
{
int error = 0;
switch (cmd) {
case CLOCKCTL_SETTIMEOFDAY: {
struct clockctl_settimeofday *args = data;
error = settimeofday1(args->tv, true, args->tzp, l, false);
break;
}
case CLOCKCTL_ADJTIME: {
struct timeval atv, oldatv;
struct clockctl_adjtime *args = data;
if (args->delta) {
error = copyin(args->delta, &atv, sizeof(atv));
if (error)
return (error);
}
adjtime1(args->delta ? &atv : NULL,
args->olddelta ? &oldatv : NULL, l->l_proc);
if (args->olddelta)
error = copyout(&oldatv, args->olddelta,
sizeof(oldatv));
break;
}
case CLOCKCTL_CLOCK_SETTIME: {
struct clockctl_clock_settime *args = data;
struct timespec ts;
error = copyin(args->tp, &ts, sizeof ts);
if (error)
return (error);
error = clock_settime1(l->l_proc, args->clock_id, &ts, false);
break;
}
#ifdef NTP
case CLOCKCTL_NTP_ADJTIME: {
struct clockctl_ntp_adjtime *args = data;
struct timex ntv;
error = copyin(args->tp, &ntv, sizeof(ntv));
if (error)
return (error);
ntp_adjtime1(&ntv);
error = copyout(&ntv, args->tp, sizeof(ntv));
if (error == 0)
args->retval = ntp_timestatus();
break;
}
#endif /* NTP */
default:
#ifdef COMPAT_50
error = compat50_clockctlioctl(dev, cmd, data, flags, l);
#else
error = EINVAL;
#endif
}
return (error);
}
