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#! /usr/bin/perl
#
# Script to extract passwords from an LDAP directory server
# The script has to be called with:
#
# ldap-extract ldap://server baseDN AdminDN Adminpassword
#
# This script requires the 'libnet-ldap-perl' package
#
# (c) 2004 Klaus Ethgen
# Licensed under the GNU General Public License version 2.
#
# TODO
# - The script will only retrieve passwords in crypt format
# other formats (MD5, SHA-1...) are not supported.
use strict;
use warnings;
use Getopt::Std;
our($opt_h);
getopts('h');
if ( $opt_h || @ARGV != 4 ) {
print "Usage: $0 ldap://server baseDN AdminDN Adminpassword\n";
exit 1;
}
eval "use Net::LDAP";
if ($@) {
print "ERROR: Could not load the Net::LDAP module\n";
print "(Hint: If you are running this in Debian install the libnet-ldap-perl package)\n";
exit 1;
}
my ($host) = $ARGV[0] =~ /ldap:\/\/(.*)/;
my $ldap = Net::LDAP->new("localhost") or die $@;
$ldap->bind($ARGV[2], password => $ARGV[3], version => 3) or die "Cannot bind to ldap server $ARGV[2]: $!";
my $res = $ldap->search(base => $ARGV[1], scope => "sub", attrs =>
[qw(cn uid userPassword loginShell homeDirectory uidNumber gidNumber)],filter => "cn=*");
my $x = $res->as_struct;
foreach (keys %$x)
{
print $x->{$_}->{uid}->[0];
my $pw = $x->{$_}->{userpassword}->[0];
if ($pw =~ /^\{crypt\}(.*)$/)
{
$pw = $1;
}
# else
# {
# $pw =~ s/^\{.+\}/\$1\$/;
# }
print ":$pw";
foreach my $i (qw(uidnumber gidnumber cn homedirectory loginshell))
{
print ":", $x->{$_}->{$i}->[0];
}
print "\n";
}
$ldap->unbind;
exit 0;
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