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Full Discussion: the SUID of lpq
Special Forums Cybersecurity the SUID of lpq Post 302511661 by Perderabo on Thursday 7th of April 2011 09:43:13 AM
Old 04-07-2011
I agree that based on the code you posted the suid bit looks useless. Maybe, in a earlier version of the program, there used to be a first paragraph of code that needed suid and it was removed leaving the situation you have today. Try turning off the suid bit and see if anything breaks.
 

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lpq(1)								    Apple Inc.								    lpq(1)

NAME
lpq - show printer queue status SYNOPSIS
lpq [ -E ] [ -U username ] [ -h server[:port] ] [ -P destination[/instance] ] [ -a ] [ -l ] [ +interval ] DESCRIPTION
lpq shows the current print queue status on the named printer. Jobs queued on the default destination will be shown if no printer or class is specified on the command-line. The +interval option allows you to continuously report the jobs in the queue until the queue is empty; the list of jobs is shown once every interval seconds. OPTIONS
lpq supports the following options: -E Forces encryption when connecting to the server. -P destination[/instance] Specifies an alternate printer or class name. -U username Specifies an alternate username. -a Reports jobs on all printers. -h server[:port] Specifies an alternate server. -l Requests a more verbose (long) reporting format. SEE ALSO
cancel(1), lp(1), lpr(1), lprm(1), lpstat(1), http://localhost:631/help COPYRIGHT
Copyright 2007-2011 by Apple Inc. 16 June 2008 CUPS lpq(1)
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