On Sun, Apr 28, 2002 at 05:11:14PM -0400, Robert Watson wrote: > > On Sun, 28 Apr 2002, Crist J. Clark wrote: > > > On Sun, Apr 28, 2002 at 03:59:44PM -0400, Robert Watson wrote: > > [snip] > > > > > In FreeBSD 5.0, all this information is exported from the kernel using the > > > sysctl() interface, which provides much more information gating, and > > > flexibe policy controls. This exists in part in 4.x, but not completely. > > > In 5.0, ps requires no special privilege, and access control is done > > > entirely in the kernel. > > > > I think I'm missing something here. > > > > $ uname -r > > 4.5-RELEASE > > $ ls -l /bin/ps > > -r-xr-xr-x 1 root wheel 213796 Jan 30 14:30 /bin/ps > > > > ps(1) has no special privileges in 4.x, but I may not understand what > > you mean by "special privileges?" (To me it means s{u,g}id.) > > Hmm. I'd forgotten that the setgid kmem was removed in 4.x; I was > probably thinking of top, which still is setgid in -STABLE. You'll find > however, that -e won't work without setgid kmem being turned on.
'-e' for ps(1) seems to work fine on processes you own. You cannot see the environments of other users' processes (of course root can see everyone's). But you do need /proc for '-e' to work. > There > are a number of other tools in -CURRENT that aren't setgid kmem where they > are in -STABLE (top, iostat, etc). You know, I'm not sure why top(1) needs it if ps(1) doesn't. -- Crist J. Clark | [EMAIL PROTECTED] | [EMAIL PROTECTED] http://people.freebsd.org/~cjc/ | [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message