/usr/share/lemonldap-ng/bin/purgeCentralCache is in liblemonldap-ng-portal-perl 1.3.3-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 | #!/usr/bin/perl
#=============================================================================
# Cleaner for LemonLDAP::NG: removes old sessions from Apache::Session
#
# This module is written to be used by cron to clean old sessions from
# Apache::Session. It does not works with Apache::Session::Memcached
#
# This is part of LemonLDAP::NG product, released under GPL
#=============================================================================
use Lemonldap::NG::Common::Conf;
use Lemonldap::NG::Common::Conf::Constants;
use Lemonldap::NG::Common::Apache::Session;
use strict;
use Getopt::Std;
# Options
# -d: debug mode
# -f: force delete of corrupted sessions
our $opt_d;
our $opt_f;
getopts('df');
my $debug = $opt_d;
my $force = $opt_f;
my $nb_purged = 0;
my $nb_error = 0;
#=============================================================================
# Load configuration
#=============================================================================
my $lmconf = Lemonldap::NG::Common::Conf->new()
or die $Lemonldap::NG::Common::Conf::msg;
my $conf = $lmconf->getConf or die "Unable to get configuration ($!)";
my $localconf = $lmconf->getLocalConf(PORTALSECTION)
or die "Unable to get local configuration ($!)";
if ($localconf) {
$conf->{$_} = $localconf->{$_} foreach ( keys %$localconf );
}
print "Configuration loaded\n" if $debug;
#=============================================================================
# Timeout
#=============================================================================
$conf->{timeout} ||= 7200;
$conf->{timeoutActivity} ||= 0;
print "Timeout value: " . $conf->{timeout} . "\n" if $debug;
#=============================================================================
# Apache::Session backends
#=============================================================================
my @backends;
my $module;
# Sessions
if ( defined $conf->{globalStorage} ) {
# Load module
$module = $conf->{globalStorage};
eval "use $module";
die $@ if ($@);
$conf->{globalStorageOptions}->{backend} = $module;
# Add module in managed backends
push @backends, $conf->{globalStorageOptions};
print "Session backend $module will be used\n" if $debug;
}
# SAML
if ( defined $conf->{samlStorage}
or keys %{ $conf->{samlStorageOptions} } )
{
# Load module
$module = $conf->{samlStorage} || $conf->{globalStorage};
eval "use $module";
die $@ if ($@);
$conf->{samlStorageOptions}->{backend} = $module;
# Add module in managed backends
push @backends, $conf->{samlStorageOptions};
print "SAML backend $module will be used\n" if $debug;
}
#=============================================================================
# Load and purge sessions
#=============================================================================
for my $options (@backends) {
next if ( $options->{backend} eq "Apache::Session::Memcached" );
my @t;
# Get all expired sessions
Lemonldap::NG::Common::Apache::Session->get_key_from_all_sessions(
$options,
sub {
my $entry = shift;
my $id = shift;
my $time = time;
print "Check session $id\n" if $debug;
# Empty session need to be removed
unless ($entry) {
push @t, $id;
print "Session $id is empty (corrupted?), delete forced\n"
if $debug;
}
# Do net check sessions without _utime
return undef unless $entry->{_utime};
# Session expired
if ( $time - $entry->{_utime} > $conf->{timeout} ) {
push @t, $id;
print "Session $id expired\n" if $debug;
}
# User has no activity, so considere the session has expired
elsif ( $conf->{timeoutActivity}
and $entry->{_lastSeen}
and $time - $entry->{_lastSeen} > $conf->{timeoutActivity} )
{
push @t, $id;
print "Session $id inactive\n" if $debug;
}
undef;
}
);
# Delete sessions
my @errors;
for my $id (@t) {
my %h;
eval { tie %h, "Lemonldap::NG::Common::Apache::Session", $id, $options };
if ($@) {
print "Error while opening session $id: $@\n" if $debug;
print STDERR "Error on session $id\n";
$nb_error++;
push @errors, $id;
next;
}
eval { tied(%h)->delete; };
if ($@) {
print "Error while deleting session $id: $@\n" if $debug;
print STDERR "Error on session $id\n";
$nb_error++;
push @errors, $id;
next;
}
print "Session $id has been purged\n" if $debug;
$nb_purged++;
}
# Remove lock files for File backend
if ( $options->{backend} =~ /^Apache::Session::(?:Browseable::)?File$/i ) {
require Apache::Session::Lock::File;
my $l = new Apache::Session::Lock::File;
my $lock_directory = $options->{LockDirectory} || $options->{Directory};
$l->clean( $lock_directory, $conf->{timeout} );
}
# Force deletion of corrupted sessions for File backend
if ( $options->{backend} =~ /^Apache::Session::(?:Browseable::)?File$/i
and $force )
{
foreach (@errors) {
my $id = $_;
eval { unlink $options->{Directory} . "/$id"; };
if ($@) {
print STDERR "Unable to remove session $id\n";
}
else {
print STDERR "Session $id removed with force\n";
$nb_error--;
}
}
}
}
#=============================================================================
# Exit
#=============================================================================
print "$nb_purged sessions have been purged\n" if $debug;
print STDERR
"$nb_error sessions remaining, try to purge them with force (option -f)\n"
if $nb_error;
my $exit = $nb_error ? 1 : 0;
exit $exit;
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