From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (qmail 19050 invoked from network); 30 Nov 1996 13:58:28 -0000 Received: from melia.qut.edu.au (131.181.127.2) by mail2.redhat.com with SMTP; 30 Nov 1996 13:58:27 -0000 Received: from sparrow.qut.edu.au (n1896814@sparrow.qut.edu.au) by melia.qut.edu.au (PMDF V5.0-7 #13254) id <01ICH4SEUQHC00E71E@melia.qut.edu.au> for blinux-list@redhat.com; Sun, 01 Dec 1996 00:01:06 +1000 Received: from localhost (n1896814@localhost) by sparrow.qut.edu.au (8.8.3/8.7.3) with SMTP id XAA20883 for ; Sat, 30 Nov 1996 23:58:04 +1000 (EST) Date: Sat, 30 Nov 1996 23:58:04 +1000 (EST) From: AARON HOWELL Subject: Re: Screen capturing: In-reply-to: To: blinux-list@redhat.com Message-id: MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII Content-transfer-encoding: 7BIT List-Id: On Sat, 30 Nov 1996, Nikhil Nair wrote: [] > I didn't know about setterm until just now, but remember that, unless the > last octal digit of your umask is 7 (which it wouldn't normally be), using > this is a potential security hole, as other users could read the contents > of the console through the contents of that file. Use that with care! Err. Yes. that's why ioctl(dump) Which is the kernel function which is used to get the info off the console is only available to processes running as root. Naturally, the normal cautions with doing anything as root apply to this as well. Aaron ----------------------------------------------------------------------------- Aaron Howell. Q.U.T Equity Department, Technical Support/Training. work: a.howell@qut.edu.au Linux/Networking Support. home: a.howell@student.qut.edu.au phone +61-19-956-467 www: http://www.cnl.com.au/~aaron irc: DaRkAnGeL Take an active stand against the NTEU wage claim. Let them know loud and clear that blackmail will not be tollerated. Defend the rights of students to fair and reasonable delivery of marks, after all, we work too.