mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-30 23:48:09 +01:00
1fc7066757
Kills processes by name instead of by UID. (Man page by me.) Submitted by: wosch@cs.tu-berlin.de (Wolfram Schneider)
104 lines
3.7 KiB
Perl
Executable File
104 lines
3.7 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
#
|
|
# Copyright (c) 1995 Wolfram Schneider <wosch@cs.tu-berlin.de>
|
|
# All rights reserved. Alle Rechte vorbehalten.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# 3. All advertising materials mentioning features or use of this software
|
|
# must display the following acknowledgement:
|
|
# This product includes software developed by Wolfram Schneider
|
|
# 4. The name of the author may not be used to endorse or promote products
|
|
# derived from this software without specific prior written permission
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
#
|
|
# killall - kill all processes
|
|
#
|
|
# Note: work only with effective uid due the limit of procfs
|
|
# (eg. not with suid programs)
|
|
#
|
|
# $Id: killall,v 1.2 1995/06/24 11:12:38 w Exp w $
|
|
#
|
|
|
|
$ENV{'PATH'} = "/bin:/usr/bin";
|
|
$procfs = '/proc';
|
|
$signal = 'SIGTERM'; # default signal for kill
|
|
$debug = 0;
|
|
$match = 0; # 0 match exactly program name
|
|
$show = 0;
|
|
|
|
$PROC_NAME = 0 + $[;
|
|
$PROC_EUID = 11 + $[;
|
|
|
|
sub usage {
|
|
$! = 2;
|
|
die "killall [-v] [-?|-help] [-l] [-m] [-s] [-SIGNAL] program\n";
|
|
}
|
|
|
|
while ($_ = $ARGV[0], /^-/) {
|
|
shift @ARGV;
|
|
if (/^--$/) { $_ = $ARGV[0]; last }
|
|
elsif (/^-[vd]$/) { $debug++ }
|
|
elsif (/^-(h|help|\?)$/) { do usage }
|
|
elsif (/^-l$/) { exec 'kill', '-l' }
|
|
elsif (/^-m$/) { $match = 1 }
|
|
elsif (/^-s$/) { $show = 1 }
|
|
elsif (/^-([A-Za-z]+|[0-9]+)$/) { $signal = $1 }
|
|
}
|
|
|
|
$program = $_; &usage unless $program;
|
|
|
|
die "Maybe $procfs is not mounted\n" unless -e "$procfs/0/status";
|
|
opendir(PROCFS, "$procfs") || die "$procfs $!\n";
|
|
|
|
foreach (sort{$a <=> $b} grep(/^[0-9]/, readdir(PROCFS))) {
|
|
$status = "$procfs/$_/status";
|
|
$pid = $_;
|
|
|
|
next if $pid == $$; # don't kill yourself
|
|
|
|
open(STATUS, "$status") || next; # process maybe already terminated
|
|
while(<STATUS>) {
|
|
@proc = split;
|
|
printf "%5d $proc[$PROC_NAME] $proc[$PROC_EUID]\n", $pid
|
|
if $debug > 1;
|
|
|
|
if (($proc[$PROC_NAME] eq $program ||
|
|
($match && $proc[$PROC_NAME] =~ /$program/i)
|
|
) && # test program name
|
|
($proc[$PROC_EUID] eq $< || $< == 0)) { # test uid
|
|
push(@kill, "$pid");
|
|
}
|
|
}
|
|
close STATUS;
|
|
}
|
|
closedir PROCFS;
|
|
|
|
if ($#kill < 0) { # nothing found
|
|
print "No matching process.\n" if $debug || $show;
|
|
exit(1);
|
|
}
|
|
$signal =~ y/[a-z]/[A-Z]/; # signal name in upper case
|
|
$signal =~ s/^SIG//; # strip a leading SIG if present
|
|
print "kill -$signal @kill\n" if $debug || $show;
|
|
|
|
$cnt = kill ($signal, @kill) unless $show; # kill processes
|
|
exit(0) if $show || $cnt == $#kill + 1;
|
|
exit(1);
|