Chris Costello wrote:
>
> On Wed, Sep 08, 1999, Gustavo V G C Rios wrote:
> > Dear gentleman,
>
> > One clear example:
> > No user(but only that ones previous allowed to) should be able to see
> > other users process. This facility have to be done at kernel level,
> > (that's what i think).
>
> Define "see". Access the memory? See that it is running?
> View the argv list? I don't see how this would affect privacy.
>
> --
> |Chris Costello <[EMAIL PROTECTED]>
> |Your fault, core dumped.
> `----------------------------------
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
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Cannot see: it would not be possible for user (except the owner) to see
that the process exists:
For instance: (my current system)
myname:~> ps auxwf
USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
root 240 7.8 10.9 15288 14036 ?? S 9:00PM 8:49.59
/usr/X11R6/bin/X -auth /usr/X11R6/lib/X11/wdm/authdir/authfiles/A:0-iP
root 1 0.0 0.2 496 256 ?? Is 6:00PM 0:00.07 /sbin/init
--
root 2 0.0 0.0 0 0 ?? DL 6:00PM 0:00.01
(pagedaemon)
root 3 0.0 0.0 0 0 ?? DL 6:00PM 0:00.00 (vmdaemon)
root 4 0.0 0.0 0 0 ?? DL 6:00PM 0:01.26 (syncer)
root 32 0.0 0.1 204 80 ?? Is 6:00PM 0:00.00 adjkerntz
-i
root 89 0.0 0.4 824 568 ?? Is 9:00PM 0:01.25 syslogd
root 130 0.0 0.4 864 472 ?? Is 9:00PM 0:00.01 inetd
root 133 0.0 0.4 992 568 ?? Is 9:00PM 0:00.28 cron
root 137 0.0 0.4 832 568 ?? Is 9:00PM 0:00.01
/usr/sbin/lpd
root 146 0.0 0.5 832 588 ?? S 9:00PM 0:00.06
/usr/sbin/lpd
root 178 0.0 0.3 792 432 ?? Ss 9:00PM 0:04.08 moused -p
/dev/cuaa1 -t auto
root 191 0.0 0.2 500 312 con- I+ 9:00PM 0:00.01 /bin/sh
/usr/local/bin/safe_mysqld
root 205 0.0 1.3 11032 1724 con- I+ 9:00PM 0:00.06
/usr/local/libexec/mysqld --basedir=/usr/local --datadir=/var/db/mysql
root 206 0.0 0.7 1148 888 ?? Is 9:00PM 0:00.92
/usr/local/sbin/sshd (sshd1)
root 235 0.0 0.4 828 548 v2 Is+ 9:00PM 0:00.01
/usr/libexec/getty Pc ttyv2
root 236 0.0 0.4 828 548 v3 Is+ 9:00PM 0:00.01
/usr/libexec/getty Pc ttyv3
root 237 0.0 1.2 2724 1512 ?? I 9:00PM 0:00.10
/usr/X11R6/bin/wdm -nodaemon ttyv4
root 241 0.0 1.3 2744 1688 ?? I 9:00PM 0:00.02
-:0 (wdm)
grios 254 0.1 2.1 3352 2716 ?? S 9:00PM 0:08.95
/usr/X11R6/bin/wmaker
grios 268 0.0 0.8 1576 1072 ?? S 9:00PM 0:11.80 wmnet
grios 269 0.0 0.8 1512 968 ?? S 9:00PM 0:03.88 wmmixer -w
grios 270 0.0 0.9 1684 1180 ?? S 9:00PM 0:00.36 wmdate -s
grios 271 0.0 0.8 1524 1012 ?? S 9:00PM 0:17.23 wmtictactoe
grios 272 0.0 0.9 1660 1180 ?? S 9:00PM 0:03.07 wmitime
grios 273 0.0 1.0 1744 1240 ?? S 9:00PM 0:08.85 ascpu
-withdrawn -u 1 -sys red -nice yellow -user blue -idle white -ex
grios 274 0.0 0.9 1676 1184 ?? S 9:00PM 0:23.74 wmSun
grios 275 0.0 1.2 2064 1508 ?? S 9:00PM 0:24.84 wmCalClock
grios 276 0.0 0.8 1576 976 ?? S 9:00PM 0:02.30 wmnetselect
root 1213 0.0 0.3 468 344 v1 Is+ 10:36PM 0:00.07 -csh (csh)
root 1254 0.0 0.8 1400 1032 ?? Ss 10:46PM 0:00.09 ppp
-background td
grios 1256 0.0 14.0 20148 17996 ?? S 10:46PM 0:04.92
/usr/local/netscape-4.51/communicator-4.51.bin
grios 1257 0.0 10.6 16068 13680 ?? I 10:46PM 0:00.06 (dns
helper) (communicator-4.5)
grios 1259 0.0 0.8 1516 976 ?? S 10:46PM 0:00.18 wmcdplay -w
root 1266 0.0 2.2 3224 2872 ?? R 10:48PM 0:00.11 xterm
grios 1267 0.0 0.4 992 504 p0 Ss 10:48PM 0:00.04 -bash
(bash)
root 0 0.0 0.0 0 0 ?? DLs 6:00PM 0:00.00 (swapper)
grios 1269 0.0 0.2 404 240 p0 R+ 10:48PM 0:00.00 ps -auxwf
After changes made by me:
myname:~> ps auxwf
USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
grios 274 0.0 0.9 1676 1184 ?? S 9:00PM 0:24.03 wmSun
grios 275 0.0 1.2 2064 1508 ?? S 9:00PM 0:25.15 wmCalClock
grios 276 0.0 0.8 1576 976 ?? S 9:00PM 0:02.32 wmnetselect
grios 1256 0.0 14.0 20148 17996 ?? S 10:46PM 0:05.56
/usr/local/netscape-4.51/communicator-4.51.bin
grios 1257 0.0 10.6 16068 13680 ?? I 10:46PM 0:00.06 (dns
helper) (communicator-4.5)
grios 1259 0.0 0.8 1516 976 ?? S 10:46PM 0:00.28 wmcdplay -w
grios 1267 0.0 0.4 992 504 p0 Ss 10:48PM 0:00.04 -bash
(bash)
grios 254 0.0 2.1 3352 2728 ?? S 9:00PM 0:09.19
/usr/X11R6/bin/wmaker
I would be able to see any other proccess which i am not the owner, top
would indicated, only 8 proccess, for this current scenario.
do you understand now, what i meant?
Linux already have such a facility!
Thanks a lot!
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