system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-23 02:04:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

o Modify static settime() to accept the proc * for the process requesting

Browse source 
a time change, and callers so that they provide td->td_proc.
o Modify settime() to use securevel_gt() for securelevel checking.

Obtained from:	TrustedBSD Project
This commit is contained in:
Robert Watson 2001-09-26 19:53:57 +00:00
parent c2f413af19
commit d501d04b9e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=83969
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
sys/kern/kern_time.c
View file

@ -66,7 +66,7 @@ struct timezone tz;
static int nanosleep1 __P((struct thread *td, struct timespec *rqt,
struct timespec *rmt));
static int settime __P((struct timeval *));
static int settime __P((struct proc *, struct timeval *));
static void timevalfix __P((struct timeval *));
static void no_lease_updatetime __P((int));
@ -79,7 +79,8 @@ no_lease_updatetime(deltat)
void (*lease_updatetime) __P((int)) = no_lease_updatetime;
static int
settime(tv)
settime(p, tv)
struct proc *p;
struct timeval *tv;
{
struct timeval delta, tv1, tv2;
@ -103,7 +104,7 @@ settime(tv)
* than one second, nor more than once per second. This allows
* a miscreant to make the clock march double-time, but no worse.
*/
if (securelevel > 1) {
if (securelevel_gt(p->p_ucred, 1) != 0) {
if (delta.tv_sec < 0 || delta.tv_usec < 0) {
/*
* Update maxtime to latest time we've seen.
@ -200,7 +201,7 @@ clock_settime(td, uap)
}
/* XXX Don't convert nsec->usec and back */
TIMESPEC_TO_TIMEVAL(&atv, &ats);
error = settime(&atv);
error = settime(td->td_proc, &atv);
done2:
mtx_unlock(&Giant);
return (error);
@ -390,7 +391,7 @@ settimeofday(td, uap)
(error = copyin((caddr_t)uap->tzp, (caddr_t)&atz, sizeof(atz)))) {
goto done2;
}
if (uap->tv && (error = settime(&atv)))
if (uap->tv && (error = settime(td->td_proc, &atv)))
goto done2;
if (uap->tzp)
tz = atz;