/* $NetBSD: netbsd32_time.c,v 1.49.6.2 2023/06/21 21:16:09 martin Exp $ */ /* * Copyright (c) 1998, 2001 Matthew R. Green * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: netbsd32_time.c,v 1.49.6.2 2023/06/21 21:16:09 martin Exp $"); #if defined(_KERNEL_OPT) #include "opt_ntp.h" #include "opt_compat_netbsd.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef NTP int netbsd32___ntp_gettime50(struct lwp *l, const struct netbsd32___ntp_gettime50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_ntptimevalp_t) ntvp; } */ struct netbsd32_ntptimeval ntv32; struct ntptimeval ntv; int error = 0; if (SCARG_P32(uap, ntvp)) { ntp_gettime(&ntv); memset(&ntv32, 0, sizeof(ntv32)); ntv32.time.tv_sec = ntv.time.tv_sec; ntv32.time.tv_nsec = ntv.time.tv_nsec; ntv32.maxerror = (netbsd32_long)ntv.maxerror; ntv32.esterror = (netbsd32_long)ntv.esterror; ntv32.tai = (netbsd32_long)ntv.tai; ntv32.time_state = ntv.time_state; error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); } if (!error) { *retval = ntp_timestatus(); } return (error); } #ifdef COMPAT_50 int compat_50_netbsd32_ntp_gettime(struct lwp *l, const struct compat_50_netbsd32_ntp_gettime_args *uap, register_t *retval) { /* { syscallarg(netbsd32_ntptimeval50p_t) ntvp; } */ struct netbsd32_ntptimeval50 ntv32; struct ntptimeval ntv; int error = 0; if (SCARG_P32(uap, ntvp)) { ntp_gettime(&ntv); memset(&ntv32, 0, sizeof(ntv32)); ntv32.time.tv_sec = (int32_t)ntv.time.tv_sec; ntv32.time.tv_nsec = ntv.time.tv_nsec; ntv32.maxerror = (netbsd32_long)ntv.maxerror; ntv32.esterror = (netbsd32_long)ntv.esterror; ntv32.tai = (netbsd32_long)ntv.tai; ntv32.time_state = ntv.time_state; error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); } if (!error) { *retval = ntp_timestatus(); } return (error); } #endif #ifdef COMPAT_30 int compat_30_netbsd32_ntp_gettime(struct lwp *l, const struct compat_30_netbsd32_ntp_gettime_args *uap, register_t *retval) { /* { syscallarg(netbsd32_ntptimevalp_t) ntvp; } */ struct netbsd32_ntptimeval30 ntv32; struct ntptimeval ntv; int error = 0; if (SCARG_P32(uap, ntvp)) { ntp_gettime(&ntv); memset(&ntv32, 0, sizeof(ntv32)); ntv32.time.tv_sec = ntv.time.tv_sec; ntv32.time.tv_usec = ntv.time.tv_nsec / 1000; ntv32.maxerror = (netbsd32_long)ntv.maxerror; ntv32.esterror = (netbsd32_long)ntv.esterror; error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); } if (!error) { *retval = ntp_timestatus(); } return (error); } #endif 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; } #endif /* NTP */ int netbsd32___setitimer50(struct lwp *l, const struct netbsd32___setitimer50_args *uap, register_t *retval) { /* { syscallarg(int) which; syscallarg(const netbsd32_itimervalp_t) itv; syscallarg(netbsd32_itimervalp_t) oitv; } */ struct proc *p = l->l_proc; struct netbsd32_itimerval s32it, *itv32; int which = SCARG(uap, which); struct netbsd32___getitimer50_args getargs; struct itimerval aitv; int error; if ((u_int)which > ITIMER_PROF) return (EINVAL); itv32 = SCARG_P32(uap, itv); if (itv32) { if ((error = copyin(itv32, &s32it, sizeof(s32it)))) return (error); netbsd32_to_itimerval(&s32it, &aitv); } if (SCARG_P32(uap, oitv) != 0) { SCARG(&getargs, which) = which; SCARG(&getargs, itv) = SCARG(uap, oitv); if ((error = netbsd32___getitimer50(l, &getargs, retval)) != 0) return (error); } if (itv32 == 0) return 0; return dosetitimer(p, which, &aitv); } int netbsd32___getitimer50(struct lwp *l, const struct netbsd32___getitimer50_args *uap, register_t *retval) { /* { syscallarg(int) which; syscallarg(netbsd32_itimervalp_t) itv; } */ struct proc *p = l->l_proc; struct netbsd32_itimerval s32it; struct itimerval aitv; int error; error = dogetitimer(p, SCARG(uap, which), &aitv); if (error) return error; netbsd32_from_itimerval(&aitv, &s32it); return copyout(&s32it, SCARG_P32(uap, itv), sizeof(s32it)); } int netbsd32___gettimeofday50(struct lwp *l, const struct netbsd32___gettimeofday50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_timevalp_t) tp; syscallarg(netbsd32_timezonep_t) tzp; } */ struct timeval atv; struct netbsd32_timeval tv32; int error = 0; struct netbsd32_timezone tzfake; if (SCARG_P32(uap, tp)) { microtime(&atv); netbsd32_from_timeval(&atv, &tv32); error = copyout(&tv32, SCARG_P32(uap, tp), sizeof(tv32)); if (error) return (error); } if (SCARG_P32(uap, tzp)) { /* * NetBSD has no kernel notion of time zone, so we just * fake up a timezone struct and return it if demanded. */ memset(&tzfake, 0, sizeof(tzfake)); tzfake.tz_minuteswest = 0; tzfake.tz_dsttime = 0; error = copyout(&tzfake, SCARG_P32(uap, tzp), sizeof(tzfake)); } return (error); } int netbsd32___settimeofday50(struct lwp *l, const struct netbsd32___settimeofday50_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_timevalp_t) tv; syscallarg(const netbsd32_timezonep_t) tzp; } */ struct netbsd32_timeval atv32; struct timeval atv; struct timespec ats; int error; struct proc *p = l->l_proc; /* Verify all parameters before changing time. */ /* * NetBSD has no kernel notion of time zone, and only an * obsolete program would try to set it, so we log a warning. */ if (SCARG_P32(uap, tzp)) printf("pid %d attempted to set the " "(obsolete) kernel time zone\n", p->p_pid); if (SCARG_P32(uap, tv) == 0) return 0; if ((error = copyin(SCARG_P32(uap, tv), &atv32, sizeof(atv32))) != 0) return error; netbsd32_to_timeval(&atv32, &atv); TIMEVAL_TO_TIMESPEC(&atv, &ats); return settime(p, &ats); } int netbsd32___adjtime50(struct lwp *l, const struct netbsd32___adjtime50_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_timevalp_t) delta; syscallarg(netbsd32_timevalp_t) olddelta; } */ struct netbsd32_timeval atv; int error; extern int time_adjusted; /* in kern_ntptime.c */ extern int64_t time_adjtime; /* in kern_ntptime.c */ if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL, NULL)) != 0) return (error); if (SCARG_P32(uap, olddelta)) { memset(&atv, 0, sizeof(atv)); atv.tv_sec = time_adjtime / 1000000; atv.tv_usec = time_adjtime % 1000000; if (atv.tv_usec < 0) { atv.tv_usec += 1000000; atv.tv_sec--; } error = copyout(&atv, SCARG_P32(uap, olddelta), sizeof(atv)); if (error) return (error); } if (SCARG_P32(uap, delta)) { error = copyin(SCARG_P32(uap, delta), &atv, sizeof(atv)); if (error) return (error); time_adjtime = (int64_t)atv.tv_sec * 1000000 + atv.tv_usec; if (time_adjtime) /* We need to save the system time during shutdown */ time_adjusted |= 1; } return (0); } int netbsd32___clock_gettime50(struct lwp *l, const struct netbsd32___clock_gettime50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_clockid_t) clock_id; syscallarg(netbsd32_timespecp_t) tp; } */ int error; struct timespec ats; struct netbsd32_timespec ts32; error = clock_gettime1(SCARG(uap, clock_id), &ats); if (error != 0) return error; netbsd32_from_timespec(&ats, &ts32); return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32)); } int netbsd32___clock_settime50(struct lwp *l, const struct netbsd32___clock_settime50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_clockid_t) clock_id; syscallarg(const netbsd32_timespecp_t) tp; } */ struct netbsd32_timespec ts32; struct timespec ats; int error; if ((error = copyin(SCARG_P32(uap, tp), &ts32, sizeof(ts32))) != 0) return (error); netbsd32_to_timespec(&ts32, &ats); return clock_settime1(l->l_proc, SCARG(uap, clock_id), &ats, true); } int netbsd32___clock_getres50(struct lwp *l, const struct netbsd32___clock_getres50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_clockid_t) clock_id; syscallarg(netbsd32_timespecp_t) tp; } */ struct netbsd32_timespec ts32; struct timespec ts; int error = 0; error = clock_getres1(SCARG(uap, clock_id), &ts); if (error != 0) return error; if (SCARG_P32(uap, tp)) { netbsd32_from_timespec(&ts, &ts32); error = copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32)); } return error; } int netbsd32___nanosleep50(struct lwp *l, const struct netbsd32___nanosleep50_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_timespecp_t) rqtp; syscallarg(netbsd32_timespecp_t) rmtp; } */ struct netbsd32_timespec ts32; struct timespec rqt, rmt; int error, error1; error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32)); if (error) return (error); netbsd32_to_timespec(&ts32, &rqt); error = nanosleep1(l, CLOCK_MONOTONIC, 0, &rqt, SCARG_P32(uap, rmtp) ? &rmt : NULL); if (SCARG_P32(uap, rmtp) == NULL || (error != 0 && error != EINTR)) return error; netbsd32_from_timespec(&rmt, &ts32); error1 = copyout(&ts32, SCARG_P32(uap, rmtp), sizeof(ts32)); return error1 ? error1 : error; } int netbsd32_clock_nanosleep(struct lwp *l, const struct netbsd32_clock_nanosleep_args *uap, register_t *retval) { /* { syscallarg(clockid_t) clock_id; syscallarg(int) flags; syscallarg(const netbsd32_timespecp_t) rqtp; syscallarg(netbsd32_timespecp_t) rmtp; } */ struct netbsd32_timespec ts32; struct timespec rqt, rmt; int error, error1; error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32)); if (error) goto out; netbsd32_to_timespec(&ts32, &rqt); error = nanosleep1(l, SCARG(uap, clock_id), SCARG(uap, flags), &rqt, SCARG_P32(uap, rmtp) ? &rmt : NULL); if (SCARG_P32(uap, rmtp) == NULL || (error != 0 && error != EINTR)) goto out; netbsd32_from_timespec(&rmt, &ts32); if ((SCARG(uap, flags) & TIMER_ABSTIME) == 0 && (error1 = copyout(&ts32, SCARG_P32(uap, rmtp), sizeof(ts32))) != 0) error = error1; out: *retval = error; return 0; } static int netbsd32_timer_create_fetch(const void *src, void *dst, size_t size) { struct sigevent *evp = dst; struct netbsd32_sigevent ev32; int error; error = copyin(src, &ev32, sizeof(ev32)); if (error) return error; netbsd32_to_sigevent(&ev32, evp); return 0; } int netbsd32_timer_create(struct lwp *l, const struct netbsd32_timer_create_args *uap, register_t *retval) { /* { syscallarg(netbsd32_clockid_t) clock_id; syscallarg(netbsd32_sigeventp_t) evp; syscallarg(netbsd32_timerp_t) timerid; } */ return timer_create1(SCARG_P32(uap, timerid), SCARG(uap, clock_id), SCARG_P32(uap, evp), netbsd32_timer_create_fetch, l); } int netbsd32_timer_delete(struct lwp *l, const struct netbsd32_timer_delete_args *uap, register_t *retval) { /* { syscallarg(netbsd32_timer_t) timerid; } */ struct sys_timer_delete_args ua; NETBSD32TO64_UAP(timerid); return sys_timer_delete(l, (void *)&ua, retval); } int netbsd32___timer_settime50(struct lwp *l, const struct netbsd32___timer_settime50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_timer_t) timerid; syscallarg(int) flags; syscallarg(const netbsd32_itimerspecp_t) value; syscallarg(netbsd32_itimerspecp_t) ovalue; } */ int error; struct itimerspec value, ovalue, *ovp = NULL; struct netbsd32_itimerspec its32; if ((error = copyin(SCARG_P32(uap, value), &its32, sizeof(its32))) != 0) return (error); netbsd32_to_timespec(&its32.it_interval, &value.it_interval); netbsd32_to_timespec(&its32.it_value, &value.it_value); if (SCARG_P32(uap, ovalue)) ovp = &ovalue; if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp, SCARG(uap, flags), l->l_proc)) != 0) return error; if (ovp) { memset(&its32, 0, sizeof(its32)); netbsd32_from_timespec(&ovp->it_interval, &its32.it_interval); netbsd32_from_timespec(&ovp->it_value, &its32.it_value); return copyout(&its32, SCARG_P32(uap, ovalue), sizeof(its32)); } return 0; } int netbsd32___timer_gettime50(struct lwp *l, const struct netbsd32___timer_gettime50_args *uap, register_t *retval) { /* { syscallarg(netbsd32_timer_t) timerid; syscallarg(netbsd32_itimerspecp_t) value; } */ int error; struct itimerspec its; struct netbsd32_itimerspec its32; if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc, &its)) != 0) return error; memset(&its32, 0, sizeof(its32)); netbsd32_from_timespec(&its.it_interval, &its32.it_interval); netbsd32_from_timespec(&its.it_value, &its32.it_value); return copyout(&its32, SCARG_P32(uap, value), sizeof(its32)); } int netbsd32_timer_getoverrun(struct lwp *l, const struct netbsd32_timer_getoverrun_args *uap, register_t *retval) { /* { syscallarg(netbsd32_timer_t) timerid; } */ struct sys_timer_getoverrun_args ua; NETBSD32TO64_UAP(timerid); return sys_timer_getoverrun(l, (void *)&ua, retval); } int netbsd32_clock_getcpuclockid2(struct lwp *l, const struct netbsd32_clock_getcpuclockid2_args *uap, register_t *retval) { /* { syscallarg(idtype_t) idtype; syscallarg(id_t) id; syscallarg(netbsd32_clockidp_t) clock_id; } */ pid_t pid; lwpid_t lid; clockid_t clock_id; id_t id = SCARG(uap, id); switch (SCARG(uap, idtype)) { case P_PID: pid = id == 0 ? l->l_proc->p_pid : id; clock_id = CLOCK_PROCESS_CPUTIME_ID | pid; break; case P_LWPID: lid = id == 0 ? l->l_lid : id; clock_id = CLOCK_THREAD_CPUTIME_ID | lid; break; default: return EINVAL; } return copyout(&clock_id, SCARG_P32(uap, clock_id), sizeof(clock_id)); }