nagios4/html/includes/utils.inc.php
2017-05-19 22:22:40 +02:00

473 lines
9.8 KiB
PHP

<?php
// HELPER UTILITIES
require_once(dirname(__FILE__).'/../config.inc.php');
function get_update_information(){
global $cfg;
// initialize array
$updateinfo=array(
"found_update_info" => false,
"update_checks_enabled" => true,
"last_update_check" => "",
"update_available" => false,
"update_version" => "",
);
// first read CGI config file to determine main file location
$ccfc=read_cgi_config_file();
//print_r($ccfc);
// read main config file to determine file locations
if(isset($ccf['main_config_file']))
$mcf=$ccf['main_config_file'];
else
$mcf="";
$mcfc=read_main_config_file($mcf);
//print_r($mcfc);
if(isset($mcf['status_file']))
$sf=$mcf['status_file'];
else
$sf="";
if(isset($mcf['state_retention_file']))
$rf=$mcf['state_retention_file'];
else
$rf="";
///////////////////////////////////////////////
// GET PROGRAM VARIABLES FROM MAIN CONFIG FILE
///////////////////////////////////////////////
// are update checks enabled?
if(isset($mcfc['check_for_updates']) && $mcfc['check_for_updates']=="0")
$updateinfo["update_checks_enabled"]=false;
/////////////////////////////////////////
// DETERMINE UPDATE INFO FROM STATUS FILE
/////////////////////////////////////////
// read status file (just first few lines)
$sfc=read_status_file($sf,50);
//print_r($sfc);
//exit();
// last update time
if(isset($sfc['info']['last_update_check'])){
$updateinfo["last_update_check"]=$sfc['info']['last_update_check'];
$updateinfo["found_update_info"]=true;
}
// update available
if(isset($sfc['info']['update_available'])){
if($sfc['info']['update_available']=="1")
$updateinfo["update_available"]=true;
else
$updateinfo["update_available"]=false;
}
// update version
if(isset($sfc['info']['new_version'])){
$updateinfo["update_version"]=$sfc['info']['new_version'];
}
// did we find update information in the status file? if so, we're done
if($updateinfo["found_update_info"]==true)
return $updateinfo;
////////////////////////////////////////////
// DETERMINE UPDATE INFO FROM RETENTION FILE
////////////////////////////////////////////
// Nagios might be shutdown (ie, no status file), so try and read data from the retention file
// read retentiion file (just first few lines)
$rfc=read_retention_file($rf,50);
//print_r($rfc);
//exit();
// last update time
if(isset($rfc['info']['last_update_check'])){
$updateinfo["last_update_check"]=$rfc['info']['last_update_check'];
$updateinfo["found_update_info"]=true;
}
// update available
if(isset($rfc['info']['update_available'])){
if($rfc['info']['update_available']=="1")
$updateinfo["update_available"]=true;
else
$updateinfo["update_available"]=false;
}
// update version
if(isset($rfc['info']['new_version'])){
$updateinfo["update_version"]=$rfc['info']['new_version'];
}
return $updateinfo;
}
////////////////////////////////////////////////////////////////////////////////////////////////
// FILE PROCESSING FUNCTIONS
////////////////////////////////////////////////////////////////////////////////////////////////
// reads variables from main config file
function read_main_config_file($thefile=""){
global $cfg;
$contents=array();
// file name can be overridden from default
if(isset($thefile) && $thefile!="")
$fname=$thefile;
else
$fname=$cfg['main_config_file'];
// open main config file for reading...
if(($fh=@fopen($fname,'r'))!=FALSE){
// read all lines in the config file
while(!feof($fh)){
$s=fgets($fh);
// skip comments
if($s[0]=='#')
continue;
// skip blank lines
// TODO - is this necessary?
// split comments out from config
$s2=explode(";",$s);
// get var/val pairs
$v=explode("=",$s2[0]);
if(isset($v[0]) && isset($v[1])){
// trim var/val pairs
$v[0]=trim($v[0]);
$v[1]=trim($v[1]);
// allow for multiple values for some variables...
$arr=false;
if(!strcmp($v[0],"cfg_file"))
$arr=true;
else if(!strcmp($v[0],"cfg_dir"))
$arr=true;
if($arr==true)
$contents[$v[0]][] = $v[1];
else
$contents[$v[0]] = $v[1];
}
}
fclose($fh);
}
return $contents;
}
// reads variables from cgi config file
function read_cgi_config_file($thefile=""){
global $cfg;
$contents=array();
// file name can be overridden from default
if(isset($thefile) && $thefile!="")
$fname=$thefile;
else
$fname=$cfg['cgi_config_file'];
// open cgi config file for reading...
if(($fh=@fopen($fname,'r'))!=FALSE){
// read all lines in the config file
while(!feof($fh)){
$s=fgets($fh);
// skip comments
if($s[0]=='#')
continue;
// skip blank lines
// TODO - is this necessary?
// split comments out from config
$s2=explode(";",$s);
// get var/val pairs
$v=explode("=",$s2[0]);
if(isset($v[0]) && isset($v[1])){
// trim var/val pairs
$v[0]=ltrim(rtrim($v[0]));
$v[1]=ltrim(rtrim($v[1]));
// do not allow for multiple values
$contents[$v[0]] = $v[1];
}
}
fclose($fh);
}
return $contents;
}
// reads status file
function read_status_file($thefile="",$maxlines=0){
global $cfg;
$contents=array(
"info" => array(),
"programstatus" => array(),
"hoststatus" => array(),
"servicestatus" => array(),
"contactstatus" => array()
);
$statustype="unknown";
$current_host=0;
$current_service=0;
$current_contact=0;
// file name can be overridden from default
if(isset($thefile) && $thefile!="")
$fname=$thefile;
else
$fname=$cfg['status_file'];
// open file for reading...
$x=0;
if(($fh=@fopen($fname,'r'))!=FALSE){
// read all lines
while(!feof($fh)){
$x++;
if($maxlines>0 && $x>$maxlines)
break;
$s=fgets($fh);
// skip comments
if($s[0]=='#')
continue;
// trim lines
$s=ltrim(rtrim($s));
// skip blank lines
if($s=="")
continue;
// we are in a new type of status data or new entry
if(!strcmp($s,"info {")){
$statustype="info";
continue;
}
else if(!strcmp($s,"programstatus {")){
$statustype="programstatus";
continue;
}
else if(!strcmp($s,"hoststatus {")){
$statustype="hoststatus";
$current_host++;
continue;
}
else if(!strcmp($s,"servicestatus {")){
$statustype="servicestatus";
$current_service++;
continue;
}
else if(!strcmp($s,"contactstatus {")){
$statustype="contactstatus";
$current_contact++;
continue;
}
// we just ended an entry...
else if(!strcmp($s,"}")){
$statustype="unknown";
continue;
}
// get/split var/val pairs
$v=explode("=",$s);
$var="";
$val="";
if(isset($v[0]) && isset($v[1])){
// trim var/val pairs
$var=ltrim(rtrim($v[0]));
$val=ltrim(rtrim($v[1]));
}
// INFO AND PROGRAM STATUS
if($statustype=="info" || $statustype=="programstatus"){
$contents[$statustype][$var]=$val;
continue;
}
// HOST STATUS
else if($statustype=="hoststatus"){
$contents[$statustype][$current_host][$var]=$val;
continue;
}
// SERVICE STATUS
else if($statustype=="servicestatus"){
$contents[$statustype][$current_service][$var]=$val;
continue;
}
// CONTACT STATUS
else if($statustype=="contactstatus"){
$contents[$statustype][$current_contact][$var]=$val;
continue;
}
}
fclose($fh);
}
$contents["total_hosts"]=$current_host;
$contents["total_services"]=$current_service;
$contents["total_contacts"]=$current_contact;
return $contents;
}
// reads retention file
function read_retention_file($thefile="",$maxlines=0){
global $cfg;
$contents=array(
"info" => array(),
"program" => array(),
"host" => array(),
"service" => array(),
"contact" => array()
);
$datatype="unknown";
$current_host=0;
$current_service=0;
$current_contact=0;
// file name can be overridden from default
if(isset($thefile) && $thefile!="")
$fname=$thefile;
else
$fname=$cfg['state_retention_file'];
// open file for reading...
$x=0;
if(($fh=@fopen($fname,'r'))!=FALSE){
// read all lines
while(!feof($fh)){
$x++;
if($maxlines>0 && $x>$maxlines)
break;
$s=fgets($fh);
// skip comments
if($s[0]=='#')
continue;
// trim lines
$s=ltrim(rtrim($s));
// skip blank lines
if($s=="")
continue;
// we are in a new type of status data or new entry
if(!strcmp($s,"info {")){
$datatype="info";
continue;
}
else if(!strcmp($s,"program {")){
$datatype="program";
continue;
}
else if(!strcmp($s,"host {")){
$datatype="host";
$current_host++;
continue;
}
else if(!strcmp($s,"service {")){
$datatype="service";
$current_service++;
continue;
}
else if(!strcmp($s,"contact {")){
$datatype="contact";
$current_contact++;
continue;
}
// we just ended an entry...
else if(!strcmp($s,"}")){
$datatype="unknown";
continue;
}
// get/split var/val pairs
$v=explode("=",$s);
$var="";
$val="";
if(isset($v[0]) && isset($v[1])){
// trim var/val pairs
$var=ltrim(rtrim($v[0]));
$val=ltrim(rtrim($v[1]));
}
// INFO AND PROGRAM STATUS
if($datatype=="info" || $datatype=="program"){
$contents[$datatype][$var]=$val;
continue;
}
// HOST STATUS
else if($datatype=="host"){
$contents[$datatype][$current_host][$var]=$val;
continue;
}
// SERVICE STATUS
else if($datatype=="service"){
$contents[$datatype][$current_service][$var]=$val;
continue;
}
// CONTACT STATUS
else if($datatype=="contact"){
$contents[$datatype][$current_contact][$var]=$val;
continue;
}
}
fclose($fh);
}
$contents["total_hosts"]=$current_host;
$contents["total_services"]=$current_service;
$contents["total_contacts"]=$current_contact;
return $contents;
}
?>