version 1.7, 2002/09/16 13:27:40
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version 1.10, 2009/07/17 02:20:59
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# pwchange - setuid script to change unix passwords |
# pwchange - setuid script to change unix passwords |
# |
# |
# YEAR=2001 |
# YEAR=2001 |
# 10/23,11/13,11/15 Scott Harrison |
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# |
# |
# YEAR=2002 |
# YEAR=2002 |
# 02/19 Matthew Hall |
# 02/19 Matthew Hall |
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use strict; |
use strict; |
my $noprint = 1; |
my $noprint = 1; |
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print "In pwchange\n" unless $noprint; |
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print "Real uid = $< effective uid = $> \n" unless $noprint; |
# ------------------------------------------------------------------ Untainting |
# ------------------------------------------------------------------ Untainting |
$ENV{'PATH'}='/bin:/usr/bin'; # Nullify path information. |
$ENV{'PATH'}='/bin:/usr/bin'; # Nullify path information. |
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)}; # nullify potential taints |
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)}; # nullify potential taints |
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# ---------------------------- Make sure this process is running from user=root |
# ---------------------------- Make sure this process is running from user=root |
my $wwwid=getpwnam('www'); |
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if (0!=$<) { |
if (0 != $<) { |
print "Username not www" unless $noprint; |
print "Username not root" unless $noprint; |
exit 1; |
exit 1; |
} |
} |
# ----------------------------------------------- If not running setuid as root |
# ----------------------------------------------- If not running setuid as root |
Line 49 foreach (split(//,$pword)) {if ((ord($_)
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Line 52 foreach (split(//,$pword)) {if ((ord($_)
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exit 3 if $pbad; |
exit 3 if $pbad; |
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# --------------------------------------------------------- Call system command |
# --------------------------------------------------------- Call system command |
open OUT,"|passwd --stdin $safe >/dev/null"; |
my $distro; |
print OUT $pword; |
if (open(PIPE,"perl distprobe|")) { |
print OUT "\n"; |
$distro = <PIPE>; |
close OUT; |
close(PIPE); |
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} |
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if ($distro =~ /^ubuntu|debian/) { |
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open(OUT,"|/usr/sbin/usermod -p `mkpasswd $pword` $safe"); |
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close(OUT); |
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} else { |
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open(OUT,"|passwd --stdin $safe >/dev/null"); |
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print OUT $pword; |
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print OUT "\n"; |
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close(OUT); |
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} |
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# --------------------------------------- exit with status of command execution |
# --------------------------------------- exit with status of command execution |
exit $?/256; |
exit $?/256; |