xnu-1699.32.7.tar.gz

[apple/xnu.git] / bsd / kern / kern_time.c

diff --git a/bsd/kern/kern_time.c b/bsd/kern/kern_time.c
index 30b0a651c7697133dd45b4ad7feaadaa97eda7b4..315863131bb2e7ae6cafdcd5394adda7b5255c9f 100644 (file)
--- a/bsd/kern/kern_time.c
+++ b/bsd/kern/kern_time.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -74,6 +74,8 @@
 #include <sys/proc_internal.h>
 #include <sys/kauth.h>
 #include <sys/vnode.h>
+#include <sys/time.h>
+#include <sys/priv.h>
 
 #include <sys/mount_internal.h>
 #include <sys/sysproto.h>
@@ -113,13 +115,19 @@ int
 gettimeofday(
 __unused       struct proc     *p,
                        struct gettimeofday_args *uap, 
-                       register_t *retval)
+                       int32_t *retval)
 {
        int error = 0;
        struct timezone ltz; /* local copy */
 
-       if (uap->tp)
-               clock_gettimeofday((uint32_t *)&retval[0], (uint32_t *)&retval[1]);
+       if (uap->tp) {
+               clock_sec_t             secs;
+               clock_usec_t    usecs;
+
+               clock_gettimeofday(&secs, &usecs);
+               retval[0] = secs;
+               retval[1] = usecs;
+       }
        
        if (uap->tzp) {
                lck_spin_lock(tz_slock);
@@ -137,12 +145,14 @@ __unused  struct proc     *p,
  */
 /* ARGSUSED */
 int
-settimeofday(__unused struct proc *p, struct settimeofday_args  *uap, __unused register_t *retval)
+settimeofday(__unused struct proc *p, struct settimeofday_args  *uap, __unused int32_t *retval)
 {
        struct timeval atv;
        struct timezone atz;
        int error;
 
+       bzero(&atv, sizeof(atv));
+
 #if CONFIG_MACF
        error = mac_system_check_settime(kauth_cred_get());
        if (error)
@@ -155,12 +165,15 @@ settimeofday(__unused struct proc *p, struct settimeofday_args  *uap, __unused r
        /* Verify all parameters before changing time */
        if (uap->tv) {
                if (IS_64BIT_PROCESS(p)) {
-                       struct user_timeval user_atv;
-                       error = copyin(uap->tv, &user_atv, sizeof(struct user_timeval));
+                       struct user64_timeval user_atv;
+                       error = copyin(uap->tv, &user_atv, sizeof(user_atv));
                        atv.tv_sec = user_atv.tv_sec;
                        atv.tv_usec = user_atv.tv_usec;
                } else {
-                       error = copyin(uap->tv, &atv, sizeof(struct timeval));
+                       struct user32_timeval user_atv;
+                       error = copyin(uap->tv, &user_atv, sizeof(user_atv));
+                       atv.tv_sec = user_atv.tv_sec;
+                       atv.tv_usec = user_atv.tv_usec;
                }
                if (error)
                        return (error);
@@ -193,7 +206,7 @@ setthetime(
  */
 /* ARGSUSED */
 int
-adjtime(struct proc *p, struct adjtime_args *uap, __unused register_t *retval)
+adjtime(struct proc *p, struct adjtime_args *uap, __unused int32_t *retval)
 {
        struct timeval atv;
        int error;
@@ -203,15 +216,18 @@ adjtime(struct proc *p, struct adjtime_args *uap, __unused register_t *retval)
        if (error)
                return (error);
 #endif
-       if ((error = suser(kauth_cred_get(), &p->p_acflag)))
+       if ((error = priv_check_cred(kauth_cred_get(), PRIV_ADJTIME, 0)))
                return (error);
        if (IS_64BIT_PROCESS(p)) {
-               struct user_timeval user_atv;
-               error = copyin(uap->delta, &user_atv, sizeof(struct user_timeval));
+               struct user64_timeval user_atv;
+               error = copyin(uap->delta, &user_atv, sizeof(user_atv));
                atv.tv_sec = user_atv.tv_sec;
                atv.tv_usec = user_atv.tv_usec;
        } else {
-               error = copyin(uap->delta, &atv, sizeof(struct timeval));
+               struct user32_timeval user_atv;
+               error = copyin(uap->delta, &user_atv, sizeof(user_atv));
+               atv.tv_sec = user_atv.tv_sec;
+               atv.tv_usec = user_atv.tv_usec;
        }
        if (error)
                return (error);
@@ -219,16 +235,19 @@ adjtime(struct proc *p, struct adjtime_args *uap, __unused register_t *retval)
        /*
         * Compute the total correction and the rate at which to apply it.
         */
-       clock_adjtime((int32_t *)&atv.tv_sec, &atv.tv_usec);
+       clock_adjtime(&atv.tv_sec, &atv.tv_usec);
 
        if (uap->olddelta) {
                if (IS_64BIT_PROCESS(p)) {
-                       struct user_timeval user_atv;
+                       struct user64_timeval user_atv;
                        user_atv.tv_sec = atv.tv_sec;
                        user_atv.tv_usec = atv.tv_usec;
-                       error = copyout(&user_atv, uap->olddelta, sizeof(struct user_timeval));
+                       error = copyout(&user_atv, uap->olddelta, sizeof(user_atv));
                } else {
-                       error = copyout(&atv, uap->olddelta, sizeof(struct timeval));
+                       struct user32_timeval user_atv;
+                       user_atv.tv_sec = atv.tv_sec;
+                       user_atv.tv_usec = atv.tv_usec;
+                       error = copyout(&user_atv, uap->olddelta, sizeof(user_atv));
                }
        }
 
@@ -267,12 +286,12 @@ inittodr(
 time_t
 boottime_sec(void)
 {
-       uint32_t        sec, nanosec;
-       clock_get_boottime_nanotime(&sec, &nanosec);
-       return (sec);
-}
+       clock_sec_t             secs;
+       clock_nsec_t    nanosecs;
 
-uint64_t tvtoabstime(struct timeval *tvp);
+       clock_get_boottime_nanotime(&secs, &nanosecs);
+       return (secs);
+}
 
 /*
  * Get value of an interval timer.  The process virtual and
@@ -298,13 +317,15 @@ uint64_t tvtoabstime(struct timeval *tvp);
  */
 /* ARGSUSED */
 int
-getitimer(struct proc *p, struct getitimer_args *uap, __unused register_t *retval)
+getitimer(struct proc *p, struct getitimer_args *uap, __unused int32_t *retval)
 {
        struct itimerval aitv;
 
        if (uap->which > ITIMER_PROF)
                return(EINVAL);
 
+       bzero(&aitv, sizeof(aitv));
+
        proc_spinlock(p);
        switch (uap->which) {
 
@@ -342,14 +363,19 @@ getitimer(struct proc *p, struct getitimer_args *uap, __unused register_t *retva
        proc_spinunlock(p);
 
        if (IS_64BIT_PROCESS(p)) {
-               struct user_itimerval user_itv;
+               struct user64_itimerval user_itv;
                user_itv.it_interval.tv_sec = aitv.it_interval.tv_sec;
                user_itv.it_interval.tv_usec = aitv.it_interval.tv_usec;
                user_itv.it_value.tv_sec = aitv.it_value.tv_sec;
                user_itv.it_value.tv_usec = aitv.it_value.tv_usec;
-               return (copyout((caddr_t)&user_itv, uap->itv, sizeof (struct user_itimerval)));
+               return (copyout((caddr_t)&user_itv, uap->itv, sizeof (user_itv)));
        } else {
-               return (copyout((caddr_t)&aitv, uap->itv, sizeof (struct itimerval)));
+               struct user32_itimerval user_itv;
+               user_itv.it_interval.tv_sec = aitv.it_interval.tv_sec;
+               user_itv.it_interval.tv_usec = aitv.it_interval.tv_usec;
+               user_itv.it_value.tv_sec = aitv.it_value.tv_sec;
+               user_itv.it_value.tv_usec = aitv.it_value.tv_usec;
+               return (copyout((caddr_t)&user_itv, uap->itv, sizeof (user_itv)));
        }
 }
 
@@ -362,26 +388,33 @@ getitimer(struct proc *p, struct getitimer_args *uap, __unused register_t *retva
  */
 /* ARGSUSED */
 int
-setitimer(struct proc *p, struct setitimer_args *uap, register_t *retval)
+setitimer(struct proc *p, struct setitimer_args *uap, int32_t *retval)
 {
        struct itimerval aitv;
        user_addr_t itvp;
        int error;
 
+       bzero(&aitv, sizeof(aitv));
+
        if (uap->which > ITIMER_PROF)
                return (EINVAL);
        if ((itvp = uap->itv)) {
                if (IS_64BIT_PROCESS(p)) {
-                       struct user_itimerval user_itv;
-                       if ((error = copyin(itvp, (caddr_t)&user_itv, sizeof (struct user_itimerval))))
+                       struct user64_itimerval user_itv;
+                       if ((error = copyin(itvp, (caddr_t)&user_itv, sizeof (user_itv))))
                                return (error);
                        aitv.it_interval.tv_sec = user_itv.it_interval.tv_sec;
                        aitv.it_interval.tv_usec = user_itv.it_interval.tv_usec;
                        aitv.it_value.tv_sec = user_itv.it_value.tv_sec;
                        aitv.it_value.tv_usec = user_itv.it_value.tv_usec;
                } else { 
-                       if ((error = copyin(itvp, (caddr_t)&aitv, sizeof (struct itimerval))))
+                       struct user32_itimerval user_itv;
+                       if ((error = copyin(itvp, (caddr_t)&user_itv, sizeof (user_itv))))
                                return (error);
+                       aitv.it_interval.tv_sec = user_itv.it_interval.tv_sec;
+                       aitv.it_interval.tv_usec = user_itv.it_interval.tv_usec;
+                       aitv.it_value.tv_sec = user_itv.it_value.tv_sec;
+                       aitv.it_value.tv_usec = user_itv.it_value.tv_usec;
                }
        }
        if ((uap->itv = uap->oitv) && (error = getitimer(p, (struct getitimer_args *)uap, retval)))
@@ -612,14 +645,26 @@ void
 microtime(
        struct timeval  *tvp)
 {
-       clock_get_calendar_microtime((uint32_t *)&tvp->tv_sec, (uint32_t *)&tvp->tv_usec);
+       clock_sec_t             tv_sec;
+       clock_usec_t    tv_usec;
+
+       clock_get_calendar_microtime(&tv_sec, &tv_usec);
+
+       tvp->tv_sec = tv_sec;
+       tvp->tv_usec = tv_usec;
 }
 
 void
 microuptime(
        struct timeval  *tvp)
 {
-       clock_get_system_microtime((uint32_t *)&tvp->tv_sec, (uint32_t *)&tvp->tv_usec);
+       clock_sec_t             tv_sec;
+       clock_usec_t    tv_usec;
+
+       clock_get_system_microtime(&tv_sec, &tv_usec);
+
+       tvp->tv_sec = tv_sec;
+       tvp->tv_usec = tv_usec;
 }
 
 /*
@@ -629,14 +674,26 @@ void
 nanotime(
        struct timespec *tsp)
 {
-       clock_get_calendar_nanotime((uint32_t *)&tsp->tv_sec, (uint32_t *)&tsp->tv_nsec);
+       clock_sec_t             tv_sec;
+       clock_nsec_t    tv_nsec;
+
+       clock_get_calendar_nanotime(&tv_sec, &tv_nsec);
+
+       tsp->tv_sec = tv_sec;
+       tsp->tv_nsec = tv_nsec;
 }
 
 void
 nanouptime(
        struct timespec *tsp)
 {
-       clock_get_system_nanotime((uint32_t *)&tsp->tv_sec, (uint32_t *)&tsp->tv_nsec);
+       clock_sec_t             tv_sec;
+       clock_nsec_t    tv_nsec;
+
+       clock_get_system_nanotime(&tv_sec, &tv_nsec);
+
+       tsp->tv_sec = tv_sec;
+       tsp->tv_nsec = tv_nsec;
 }
 
 uint64_t