/usr/share/perl5/Apache/Ocsinventory/Server/Groups.pm is in ocsinventory-server 2.0.5-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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## OCSINVENTORY-NG
## Copyleft Pascal DANEK 2006
## Web : http://www.ocsinventory-ng.org
##
## This code is open source and may be copied and modified as long as the source
## code is always made freely available.
## Please refer to the General Public Licence http://www.gnu.org/ or Licence.txt
################################################################################
package Apache::Ocsinventory::Server::Groups;
use strict;
BEGIN{
if($ENV{'OCS_MODPERL_VERSION'} == 1){
require Apache::Ocsinventory::Server::Modperl1;
Apache::Ocsinventory::Server::Modperl1->import();
}elsif($ENV{'OCS_MODPERL_VERSION'} == 2){
require Apache::Ocsinventory::Server::Modperl2;
Apache::Ocsinventory::Server::Modperl2->import();
}
}
use Apache::Ocsinventory::Server::System(qw/ :server /);
require Exporter;
our @ISA = qw /Exporter/;
our @EXPORT = qw / _get_groups / ;
sub _get_groups{
my($request, @groups);
# We ensure that cache is not out-of-date
&_validate_groups_cache();
# Sending the groups the computer is part of
$request = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_HANDLE'}->prepare('SELECT GROUP_ID FROM groups_cache WHERE HARDWARE_ID=? AND (STATIC=0 OR STATIC=1)');
$request->execute( $Apache::Ocsinventory::CURRENT_CONTEXT{'DATABASE_ID'} );
while( my $row = $request->fetchrow_hashref){
push @groups, $row->{'GROUP_ID'};
}
return @groups;
}
sub _validate_groups_cache{
my $dbh = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_HANDLE'};
return unless $ENV{'OCS_OPT_GROUPS_CACHE_REVALIDATE'};
# Test cache validity
my $request = $dbh->prepare('
SELECT g.HARDWARE_ID
FROM groups
g LEFT OUTER JOIN locks l
ON l.HARDWARE_ID=g.HARDWARE_ID
WHERE UNIX_TIMESTAMP()-REVALIDATE_FROM > ?
AND l.HARDWARE_ID IS NULL'
);
# Updating cache when needed
return unless $request->execute( $ENV{'OCS_OPT_GROUPS_CACHE_REVALIDATE'} );
while(my $row = $request->fetchrow_hashref()){
# We lock it like a computer
if( !&_lock($row->{'HARDWARE_ID'}) ){
# Check if the group has already been computed
my $check_request = $dbh->prepare('SELECT HARDWARE_ID, (UNIX_TIMESTAMP()-REVALIDATE_FROM) AS OFF FROM groups WHERE UNIX_TIMESTAMP()-REVALIDATE_FROM > ? AND HARDWARE_ID=?');
$check_request->execute($ENV{'OCS_OPT_GROUPS_CACHE_REVALIDATE'}, $row->{'HARDWARE_ID'});
if(!$check_request->rows()){
&_unlock($row->{'HARDWARE_ID'});
$check_request->finish();
next;
}
&_log(306,'groups','cache_out-of-date('.$row->{'HARDWARE_ID'}.')') if $ENV{'OCS_OPT_LOGLEVEL'};
# We build the new cache
&_build_group_cache( $row->{'HARDWARE_ID'} );
# Unlock group
&_unlock($row->{'HARDWARE_ID'});
}
else{
&_log(306,'groups','cache_in_process('.$row->{'HARDWARE_ID'}.')') if $ENV{'OCS_OPT_LOGLEVEL'};
}
}
}
sub _build_group_cache{
my $group_id = shift;
my $dbh = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_HANDLE'};
my $dbh_sl = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_SL_HANDLE'};
my $offset = int rand($ENV{OCS_OPT_GROUPS_CACHE_OFFSET});
my (@ids,@quoted_ids);
my ($id_field, $error);
# Build cache request
my $build_cache = $dbh->prepare('INSERT INTO groups_cache(GROUP_ID, HARDWARE_ID, STATIC) VALUES(?,?,0)');
my $delete_cache = 'DELETE FROM groups_cache WHERE GROUP_ID=? AND STATIC=0';
# Retrieving the group request. It must be a SELECT statement on ID(hardware)
my $get_request = $dbh->prepare('SELECT REQUEST,XMLDEF FROM groups WHERE HARDWARE_ID=?');
$get_request->execute( $group_id );
my $row = $get_request->fetchrow_hashref();
# legacy: one request per group
if($row->{'REQUEST'} ne '' and $row->{'REQUEST'} ne 'NULL' ){
my $group_request = $dbh_sl->prepare( $row->{'REQUEST'} );
if($group_request->execute()){
# Deleting the current cache
$dbh->do($delete_cache, {}, $group_id);
while( my @cache = $group_request->fetchrow_array() ){
push @ids, $cache[0] ;
}
#We verify that HARDWARE_IDs are not groups
&verify_ids($row->{'REQUEST'},\@ids);
# Build the cache
for( @ids ){
$build_cache->execute($group_id, $_);
}
}
else{
&_log(520,'groups','bad_request('.$row->{'HARDWARE_ID'}.')') if $ENV{'OCS_OPT_LOGLEVEL'};
}
}
# New behaviour : multiple requests for one group xml encoded
elsif( $row->{'XMLDEF'} ne '' and $row->{'XMLDEF'} ne 'NULL' ){
my $xml = XML::Simple::XMLin($row->{'XMLDEF'}, ForceArray => ['REQUEST'] );
for my $request (@{$xml->{REQUEST}}){
if(@ids){
for(@ids){
push @quoted_ids, $dbh_sl->quote($_);
}
# When request is from hardware, the id is called "ID", if not "HARDWARE_ID"
if( $request =~ /^select\s+(distinct\s+)?ID/i ){
$id_field = 'ID';
}
else{
$id_field = 'HARDWARE_ID';
}
my $string = join ",", @quoted_ids;
$request = $request." AND $id_field IN ($string)";
@ids=@quoted_ids=();
}
my $group_request = $dbh_sl->prepare( $request );
unless($group_request->execute){
&_log(520,'groups','bad_request('.$row->{'HARDWARE_ID'}.')') if $ENV{'OCS_OPT_LOGLEVEL'};
last;
}
# If no results for one request, we stop the computing (always AND statements)
if(!$group_request->rows){
&_log(307,'groups','empty') if $ENV{'OCS_OPT_LOGLEVEL'};
@ids=@quoted_ids=();
$error = 1;
}
while( my @cache = $group_request->fetchrow_array() ){
push @ids, $cache[0];
}
#We verify that HARDWARE_IDs are not groups
$error = &verify_ids($request,\@ids);
}
# Deleting the current cache
$dbh->do($delete_cache, {}, $group_id);
unless($error){
# Build the cache
for( @ids ){
$build_cache->execute($group_id, $_);
}
}
else{
&_log(520,'groups','will not build('.$row->{'HARDWARE_ID'}.')') if $ENV{'OCS_OPT_LOGLEVEL'};
}
}
# Updating cache time
$dbh->do("UPDATE groups SET CREATE_TIME=UNIX_TIMESTAMP(), REVALIDATE_FROM=UNIX_TIMESTAMP()+? WHERE HARDWARE_ID=?", {}, $offset, $group_id);
&_log(307,'groups', "revalidate_cache($group_id(".scalar @ids."))") if $ENV{'OCS_OPT_LOGLEVEL'};
}
1;
sub verify_ids {
my ($request,$ids) = @_;
my $error;
my $dbh_sl = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_SL_HANDLE'};
unless ($request =~ m/and\s+deviceid(\s+)?<>(\s+)?'_SYSTEMGROUP_'\s+and\s+deviceid(\s+)?<>(\s+)?'_DOWNLOADGROUP_'/i) {
#We will have to verify that HARDWARE_IDs are not groups
my $ids_list= join(',',@$ids);
@$ids=();
my $verify_request = $dbh_sl->prepare("SELECT distinct ID from hardware where ID in ($ids_list) and deviceid <> '_SYSTEMGROUP_' AND deviceid <> '_DOWNLOADGROUP_'");
$verify_request->execute();
if(!$verify_request->rows){
&_log(307,'groups','empty') if $ENV{'OCS_OPT_LOGLEVEL'};
@$ids=();
$error = 1;
}
while( my @cache = $verify_request->fetchrow_array() ){
push @$ids, $cache[0];
}
}
return $error;
}
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