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#!/usr/bin/perl -w
# $0 -b "ou=People,dc=borgia,dc=com" -Q /dev/with/quota=0:0:0:0 -F '(attr=value)'
# Synopsis
# setSystemQuotas.pl is a script solely for modifying the quota attribute in
# LDAP. It expects that the users you intend to have quotas already have the
# systemQuotas objectClass set.
# This tool is capable of applying standard LDAP filters to the user-supplied
# base DN for modifying multiple users' quotas at once.
# Examples:
# Set quota on /dev/sda7 and /dev/sda8 for user stefan
# ./setSystemQuotas.pl -b "uid=stefan,ou=People,dc=borgia,dc=com" -Q /dev/sda7=4000000:4400000:10000:11000 -Q /dev/sda8=4000000:4400000:10000:11000
#
# Set quota on /dev/sda8 for user all People with description of Student
# ./setSystemQuotas.pl -b "ou=People,dc=borgia,dc=com" -Q /dev/sda8=40000:44000:1000:1100 -F "(description=Student)"
#
# Delete quotas for user stefan
# ./setSystemQuotas.pl -b "uid=stefan,ou=People,dc=borgia,dc=com"
use strict;
use Net::LDAP;
use Getopt::Long;
chomp(my $Password = `cat /etc/ldap.secret`);
my $Host = 'localhost';
my $Port = '389';
my $BindDN = 'cn=Manager,dc=borgia,dc=com';
my $SSL = 0;
my $b = '';
my %Q = ();
my $F = '';
GetOptions(
'b=s' => \$b,
'Q=s' => \%Q,
'F=s' => \$F,
);
die "Usage: $0 -b userdn [-F '(extrafilter)'] [-Q /fs=sb:hb:sf:hf ...]\n" unless $b;
foreach ( keys %Q ) {
local @_ = split /:/, $Q{$_};
unless ( $#_ == 3 ) {
print "Ignoring $_: invalid format\n";
delete $Q{$_};
}
}
my $ldap = connectLDAP();
my $quota = {};
my $search;
$search = $ldap->search(
base => $b,
filter => "(&(objectClass=systemQuotas)$F)",
attrs => ['*', 'quota'],
);
$search->code && die $search->error;
my $i = 0;
my $max = $search->count;
for ( $i=0; $i<$max; $i++ ) {
my $entry = $search->entry($i);
my $dn = $entry->dn;
if ( keys %Q ) {
$quota->{$dn} = 1;
foreach ( $entry->get_value('quota') ) {
my @quota = split /:/;
my $fs = shift @quota;
delete $quota->{$dn} if $quota->{$dn} == 1;
$quota->{$dn}->{$fs} = join ':', @quota;
}
} else {
$quota->{$dn} = 0;
delete $quota->{$dn} unless $entry->get_value('quota');
}
}
foreach my $dn ( keys %{$quota} ) {
if ( ref $quota->{$dn} eq 'HASH' ) {
print STDERR "Modify $dn:\n";
foreach ( keys %Q ) {
print STDERR "\t$_:$Q{$_}\n";
$quota->{$dn}->{$_} = $Q{$_};
}
my @quota = map { "$_:$quota->{$dn}->{$_}" } keys %{$quota->{$dn}};
my $modify = $ldap->modify(
$dn,
replace => {
quota => [@quota],
},
);
$modify->code && warn "Failed to modify quota: ", $modify->error, "\n";
} else {
if ( $quota->{$dn} == 1 ) {
delete $quota->{$dn};
print STDERR "Add $dn:\n";
foreach ( keys %Q ) {
print STDERR "\t$_:$Q{$_}\n";
$quota->{$dn}->{$_} = $Q{$_}
}
my @quota = map { "$_:$quota->{$dn}->{$_}" } keys %{$quota->{$dn}};
my $modify = $ldap->modify(
$dn,
add => {
quota => [@quota],
},
);
$modify->code && warn "Failed to modify quota: ", $modify->error, "\n";
} elsif ( $quota->{$dn} == 0 ) {
print STDERR "Delete $dn:\n";
my $modify = $ldap->modify(
$dn,
delete => ['quota'],
);
$modify->code && warn "Failed to modify quota: ", $modify->error, "\n";
}
}
}
$ldap->unbind;
sub connectLDAP {
# bind to a directory with dn and password
my $ldap = Net::LDAP->new(
$Host,
port => $Port,
version => 3,
# debug => 0xffff,
) or die "Can't contact LDAP server ($@)\n";
if ( $SSL ) {
$ldap->start_tls(
# verify => 'require',
# clientcert => 'mycert.pem',
# clientkey => 'mykey.pem',
# decryptkey => sub { 'secret'; },
# capath => '/usr/local/cacerts/'
);
}
$ldap->bind($BindDN, password=>$Password);
return $ldap;
}
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