/usr/share/perl5/Apache/Ocsinventory/Server/Communication.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 2005
## 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::Communication;
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();
}
}
require Exporter;
our @ISA = qw /Exporter/;
our @EXPORT = qw / _send_response _prolog /;
use Apache::Ocsinventory::Server::Constants;
use Apache::Ocsinventory::Server::System(qw/
:server
_modules_get_prolog_readers
_modules_get_prolog_writers
/);
use Apache::Ocsinventory::Server::Communication::Session;
use Apache::Ocsinventory::Server::Support qw/_verify_certificate /;
# Subroutine wich answer to client prolog
sub _prolog{
my $frequency;
my $quality;
my $now;
my $lastdate;
my $request;
my $row;
my $DeviceID = $Apache::Ocsinventory::CURRENT_CONTEXT{'DEVICEID'};
my $dbh = $Apache::Ocsinventory::CURRENT_CONTEXT{'DBI_HANDLE'};
my $info = $Apache::Ocsinventory::CURRENT_CONTEXT{'DETAILS'};
my $read = &_prolog_read();
if( $read == PROLOG_STOP ){
&_log(106,'prolog','stopped by module') if $ENV{'OCS_OPT_LOGLEVEL'};
&_prolog_resp(PROLOG_RESP_BREAK);
return APACHE_OK;
} elsif( $read == BAD_USERAGENT ) { #If we detect a wrong useragent
&_log(106,'prolog','stopped by module') if $ENV{'OCS_OPT_LOGLEVEL'};
return APACHE_BAD_REQUEST;
}
$frequency = $ENV{'OCS_OPT_FREQUENCY'};
# If we do not have the default frequency
unless(defined($frequency)){
&_prolog_resp(PROLOG_RESP_STOP);
&_log(503,'prolog','no_frequency') if $ENV{'OCS_OPT_LOGLEVEL'};
return APACHE_OK;
}
# We have this computer in the database
if($Apache::Ocsinventory::CURRENT_CONTEXT{'EXIST_FL'}){
# Get the current timestamp
$now = time();
# Compute quality
if($info->{'FIDELITY'} > 1){
$quality = ((($now-$info->{'LCOME'})/86400) + ($info->{'QUALITY'}*$info->{'FIDELITY'}))/(($info->{'FIDELITY'})+1);
}else{
# We increment the number of visits
$quality = (($now-$info->{'LCOME'})/86400);
}
# We update device data
if(!$dbh->do('UPDATE hardware SET FIDELITY=FIDELITY+1,QUALITY=?,LASTCOME=NOW(),USERAGENT=? WHERE DEVICEID=?',
{}, $quality, $Apache::Ocsinventory::CURRENT_CONTEXT{'USER_AGENT'}, $DeviceID)){
return APACHE_SERVER_ERROR;
}
##########
# If special value 0, we allways accept
if($frequency==0){
&_prolog_resp(PROLOG_RESP_SEND);
return APACHE_OK;
# If -1, we allways reject
}elsif($frequency==(-1)){
&_prolog_resp(PROLOG_RESP_BREAK);
return APACHE_OK;
}
# Saving lastdate
$lastdate = $info->{'LDATE'};
# Maybe there are computer's special frequency
$request=$dbh->prepare('SELECT IVALUE FROM devices WHERE HARDWARE_ID IN ('.($Apache::Ocsinventory::CURRENT_CONTEXT{'DATABASE_ID'}.(@{$Apache::Ocsinventory::CURRENT_CONTEXT{'MEMBER_OF'}}?',':''). join(',',@{$Apache::Ocsinventory::CURRENT_CONTEXT{'MEMBER_OF'}})).') AND NAME="FREQUENCY" ORDER BY IVALUE DESC');
$request->execute();
while($row=$request->fetchrow_hashref()){
$frequency=$row->{'IVALUE'};
}
$request->finish;
# If special values...
if($frequency==0){
&_prolog_resp(PROLOG_RESP_SEND);
return APACHE_OK;
}elsif($frequency==(-1)){
&_prolog_resp(PROLOG_RESP_BREAK);
return APACHE_OK;
}
unless ($lastdate){
&_prolog_resp(PROLOG_RESP_SEND);
return APACHE_OK;
}
# Have we override the period ?
if((($lastdate-$now)+$frequency*86400)<0){
&_prolog_resp(PROLOG_RESP_SEND);
return APACHE_OK;
}else{
&_prolog_resp(PROLOG_RESP_STOP);
return APACHE_OK;
}
}else{#This is a new Device ID
if($frequency==(-1)){
&_prolog_resp(PROLOG_RESP_BREAK);
return APACHE_OK;
}else{
&_log(103,'prolog','new_deviceid') if $ENV{'OCS_OPT_LOGLEVEL'};
&_prolog_resp(PROLOG_RESP_SEND);
return APACHE_OK;
}
}
}
sub _send_response{
my $response = shift;
my( $xml, $message, $d, $status, $inflated );
my $r = $Apache::Ocsinventory::CURRENT_CONTEXT{'APACHE_OBJECT'};
# Generate the response
# Generation of xml message
$message = XML::Simple::XMLout( $response, RootName => 'REPLY', XMLDecl => "<?xml version='1.0' encoding='UTF-8'?>",
NoSort => 1, SuppressEmpty => undef);
# send
unless($inflated = &{$Apache::Ocsinventory::CURRENT_CONTEXT{'DEFLATE_SUB'}}( $message )){
&_log(506,'send_response','compress_stage') if $ENV{'OCS_OPT_LOGLEVEL'};
#TODO: clean exit
}
&_set_http_header('content-length', length($inflated),$r);
&_set_http_header('Cache-control', 'no-cache',$r);
&_set_http_content_type('application/x-compressed',$r);
&_send_http_headers($r);
$r->print($inflated);
return 0;
}
sub _prolog_resp{
my $decision = shift;
my %resp;
&_prolog_build_resp($decision, \%resp);
if($resp{'RESPONSE'}[0] eq 'STOP'){
&_log(102,'prolog','declined') if $ENV{'OCS_OPT_LOGLEVEL'};
}elsif($resp{'RESPONSE'}[0] eq 'SEND'){
&_log(100,'prolog','accepted') if $ENV{'OCS_OPT_LOGLEVEL'};
&start_session( \%Apache::Ocsinventory::CURRENT_CONTEXT );
}elsif($resp{'RESPONSE'}[0] eq 'OTHER'){
&_log(105,'prolog','') if $ENV{'OCS_OPT_LOGLEVEL'};
}
&_send_response(\%resp);
return 0;
}
sub _prolog_build_resp{
my ($decision, $resp) = @_;
my $module;
my $state;
#Agent execution periodicity
if(defined($Apache::Ocsinventory::CURRENT_CONTEXT{'PARAMS'}{'PROLOG_FREQ'}->{'IVALUE'})){
$resp->{'PROLOG_FREQ'} = [$Apache::Ocsinventory::CURRENT_CONTEXT{'PARAMS'}{'PROLOG_FREQ'}->{'IVALUE'}];
}
else{
my ($groupFreq, $groupsParams);
if($ENV{'OCS_OPT_ENABLE_GROUPS'}){
$groupsParams = $Apache::Ocsinventory::CURRENT_CONTEXT{'PARAMS_G'};
for(keys(%$groupsParams)){
$groupFreq = $$groupsParams{$_}->{'PROLOG_FREQ'}->{'IVALUE'}
if (exists($$groupsParams{$_}->{'PROLOG_FREQ'}->{'IVALUE'})
and $$groupsParams{$_}->{'PROLOG_FREQ'}->{'IVALUE'}<$groupFreq) or !$groupFreq;
}
}
$resp->{'PROLOG_FREQ'} = [ $groupFreq || $ENV{'OCS_OPT_PROLOG_FREQ'} ];
}
if($decision == PROLOG_RESP_BREAK){
$resp->{'RESPONSE'} = [ 'STOP' ];
return 0;
}elsif($decision == PROLOG_RESP_STOP){
$resp->{'RESPONSE'} = [ 'STOP' ];
}elsif($decision == PROLOG_RESP_SEND){
$resp->{'RESPONSE'} = [ 'SEND' ];
}
for(&_modules_get_prolog_writers()){
last if $_ == 0;
&$_(\%Apache::Ocsinventory::CURRENT_CONTEXT, $resp);
}
if ($ENV{'OCS_OPT_SUPPORT'}) {
#We sent the OCS support log message to the agen
my $support_log = &_verify_certificate;
$resp->{'SUPPORT_LOG'} = [ $support_log ] if $support_log;
}
return 0;
}
sub _prolog_read{
for(&_modules_get_prolog_readers()){
last if $_==0;
my $resp=&$_(\%Apache::Ocsinventory::CURRENT_CONTEXT);
if($resp==PROLOG_STOP){
return PROLOG_STOP;
}
if($resp==BAD_USERAGENT){
return BAD_USERAGENT;
}
}
return PROLOG_CONTINUE;
}
1;
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