Path: utzoo!utgpu!cs.utexas.edu!wuarchive!psuvax1!rutgers!cmcl2!sbcs!csserv2.ic.sunysb.edu!jallen
From: god@csserv2.ic.sunysb.edu (The Lord God your Creator)
Newsgroups: alt.hackers
Subject: TIOCSTI
Message-ID: <1991May13.211622.1452@sbcs.sunysb.edu>
Date: 13 May 91 21:16:22 GMT
Sender: usenet@sbcs.sunysb.edu (Usenet poster)
Organization: Heaven, Inc.
Lines: 11
Approved: news@rutgers.rutgers.edu
Originator: god@csserv2.ic.sunysb.edu


The TIOCSTI ioctl lets you simulate keyboard input on other peoples terminals
while they're logged in as long as you have write perminssion for the tty
(mesg y). So you could write the string: "rm -r *\n" and it would be executed
if the user was in a shell.  Whoever made this system call goofed. 

-- 
/*  jallen@ic.sunysb.edu  */     /* Amazing */     /* Joe Allen 129.49.12.74 */
int a[1817];main(z,p,q,r){for(p=80;q+p-80;p-=2*a[p])for(z=9;z--;)q=3&(r=time(0)
+r*57)/7,q=q?q-1?q-2?1-p%79?-1:0:p%79-77?1:0:p<1659?79:0:p>158?-79:0,q?!a[p+q*2
]?a[p+=a[p+=q]=q]=q:0:0;for(;q++-1817;)printf(q%79?"%c":"%c\n"," #"[!a[q-1]]);}