mirror of
				https://github.com/xcat2/xcat-core.git
				synced 2025-11-03 21:02:34 +00:00 
			
		
		
		
	git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2253 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
		
			
				
	
	
		
			317 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			317 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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# cat client-key.pem client-cert.pem ca.pem >>certchain.pem
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$version = "0.1";
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#$cert = ".xcat/client-cred.pem";
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$msg;
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$xcathost = "localhost";
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$port = "3001";
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#if(! file_exists($cert)){
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#	echo "$cert does not exist.  Please run xcatwebsetup first";
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#}
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$xcatcmds = array(
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	"rpower" => array("on","off","reset","stat","state","boot","off","cycle"),
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	"rvitals" => array("all","temp","wattage","voltage","fanspeed","power","leds","state"),
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	"reventlog" => array("all", "clear"),
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	"rinv" => array("all", "model", "serial", "vpd", "mprom", "deviceid", "uuid", "guid", "firm", "bios", "diag", "mprom", "sprom", "mparom", "mac", "mtm"),
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	"resetboot" => array("net", "hd", "cd", "def", "stat")
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);
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#function to enable password storage to split between cookie and session variable
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function xorcrypt($data,$key) {
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    $datalen=strlen($data);
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    $keylen=strlen($key);
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    for ($i=0;$i<$datalen;$i++) {
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        $data[$i]=chr(ord($data[$i])^ord($key[$i]));
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    }
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    return $data;
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}
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function getpassword() {
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    if (isset($GLOBALS['xcatauthsecret'])) {
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        $cryptext=$GLOBALS['xcatauthsecret'];
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    } else if (isset($_COOKIE["xcatauthsecret"])) {
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        $cryptext = $_COOKIE["xcatauthsecret"];
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    } else {
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        return false;
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    }
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    return xorcrypt($_SESSION["secretkey"],base64_decode($cryptext));
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}
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#remembers the password, splitting knowledge between server and client side
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#persistant storage
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#Caller should regenerate session id when contemplating a new user/password,
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#to preclude session fixation, though fixation is limited without the secret.
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function setpassword($password) {
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    $randlen=strlen($password);
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    $key=getrandchars($randlen);
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    $cryptext=xorcrypt($password,$key);
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    $cryptext=base64_encode($cryptext); #non-ascii chars, base64 it
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#Not bothering with explicit expiration, as time sync would be too hairy
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#should go away when browser closes.  Any timeout will be handled server 
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#side.  If the session id invalidates and the one-time key discarded,
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#the cookie contents are worthless anyway
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#nevertheless, when logout happens, cookie should be reaped
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    setcookie("xcatauthsecret",$cryptext);
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    $GLOBALS["xcatauthsecret"]=$cryptext; #May need it sooner, prefer globals
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    $_SESSION["secretkey"]=$key;
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}
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function getrandchars($length) {
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    $charset='0123456789abcdefghijklmnopqrstuvwxyz!@#$%^&*';
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    $charsize=strlen($charset);
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    srand();
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    $chars='';
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    for ($i=0;$i<$length;$i++) {
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        $num=rand()%$charsize;
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        $chars=$chars.substr($charset,$num,1);
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    }
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    return $chars;
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}
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#functions for editing tables
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function savexCATchanges($file, $tab){
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	$request = simplexml_load_string('<xcatrequest></xcatrequest>');
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	$request->addChild('command','tabrestore');
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	$fh = fopen($file, 'r') or die("can't open $file");
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	while(!feof($fh)){
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		$line = fgets($fh,4096);
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		if(empty($line)){
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			continue;	
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		}
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		$line = str_replace("\"\"", "",$line);
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		$line = str_replace("\"", """,$line);
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		$request->addChild('data', $line);
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	}
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	fclose($fh);
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	$request->addChild('table',$tab);
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	$resp = submit_request($request, 1);
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	# 0 means it didn't work
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	return($resp);
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}
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function splitTableFields($arr){
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	$fields = array();
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	$fields = explode(',', $arr);
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	$rf = array();
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	# now we have to do damage control for fields that look like this:
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  # "idplx15","idplx,ipmi,compute,all",,,
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	$inc = '';
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	foreach($fields as $f){
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		#if(ereg("\"[a-zA-Z0-9\-\.\:\!\| ]+\"", $f)){
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		if(ereg("\"[^\"]+\"", $f)){
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			$rf[] = $f;
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			continue;
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		}
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		#if(ereg("^[a-zA-Z0-9\-\. ]+\"", $f)){
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		if(ereg("[^\"]+\"", $f)){
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			$inc .= ",$f";
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			$rf[] = $inc;
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			$inc = '';
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			continue;
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		}
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		#if(ereg("\"[a-zA-Z0-9\-\. ]+", $f)){
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		if(ereg("\"[^\"]+", $f)){
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			$inc .= $f;	
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			continue;
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		}
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		#if(ereg("[a-zA-Z0-9\-\. ]+", $f)){
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		if(ereg("[a-zA-Z0-9\-\. ]+", $f)){
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			$inc .= ",$f";
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			continue;
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		}
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		$rf[] = "";
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	}
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	return $rf;
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}
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function getTabNames() {
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	$xml = docmd('tabdump','','');
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	$tabs = $xml->xcatresponse->children();
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	return $tabs;
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}
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function getTabHeaders($tab){
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	$arr = $tab->xcatresponse->children();
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	$line = $arr[0];
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	$headers = array();
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	$headers = explode(',', $line);
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	return $headers;
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}
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# get the keys of the hash table.
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function keysByNodeName($ht) {
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	$nh = array();
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	foreach($ht->xcatresponse as $v){
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		$node = (string) $v->node->name;
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		if(!array_key_exists($node, $nh)){
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			$nh[$node] = array();
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		}
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		$desc = (string) $v->node->data->desc;
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		$cont = (string) $v->node->data->contents;
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		$nh[$node][$desc] = $cont;
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	}
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	return($nh);	
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}
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function attributesOfNodes($ht) {
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	$arr = array();
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	foreach($ht->xcatresponse as $v){
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		foreach($v->node as $va){
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			$val = (string) $va->data->desc;
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			if($val == ""){
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				$val = (string) $va->data->contents;
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			}
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			$arr[] = $val;
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		}
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	}
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	$arr = array_unique($arr);
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	return($arr);	
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}
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function parseNodeGroups ($groups){
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	# groups is an array that may have duplicate commas in them.
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	$arr = array();	
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	foreach($groups as $gline){
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		$newg = explode(',', $gline);
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		foreach($newg as $g){
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			if(empty($g)){ continue; }
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			if(!array_key_exists($g, $arr)){
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				$arr[] = $g;
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			}
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		}		
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	}
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	return array_unique($arr);
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}
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# this is a kluge... should make better data structures.
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# but too lazy right now...
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function addNodesToGroups($groups, $node){
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	$arr = array();
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	foreach($groups as $g){
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		$arr[$g] = array();
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		foreach($node->xcatresponse	as $v){
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			foreach($v->node as $n){
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				$na = (string) $n->data->contents;	
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				$nag = explode(',', $na);
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				foreach($nag as $foo){
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					if(strcmp($foo,$g) == 0){
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						$name = (string) $n->name;
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						$arr[$g][] =  $name;
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						continue;
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					}
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				}
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			}
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		}
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	}
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	return $arr;
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}
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function is_logged() {
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    if (isset($_SESSION["username"]) and !is_bool(getpassword())) {
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        return true;
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    } else {
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        return false;
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    }
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}
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function logout() {
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    #clear the secret cookie from browser.
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    #expire cookie a week ago, server time, may not work if client clock way off, but the value will be cleared at least.
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    if (isset($_COOKIE["xcatauthsecret"])) {
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        setcookie("xcatauthsecret",'',time()-86400*7); #NOTE: though firefox doesn't seem to zap it dynamically from cookie store in
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    #the client side dialog, firefox does stop submitting the value.  The sensitivity of the 'stale' cookie even if compromised
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    #is negligible, as the session id will be invalidated and the one-time-key needed to decrypt the password is destroyed on the server
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    }
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    #expire the sesion cookie
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    if (isset($_COOKIE[session_name()])) {
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        setcookie(session_name(),"",time()-86400*7,"/");
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    }
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    #clear server store of data
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    $_SESSION=array();
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    session_destroy();
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}
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function docmd($cmd, $nr, $arg){
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	$request = simplexml_load_string('<xcatrequest></xcatrequest>');
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    $usernode=$request->addChild('becomeuser');
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    $usernode->addChild('username',$_SESSION["username"]);
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    $usernode->addChild('password',getpassword());
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	$request->addChild('command',$cmd);
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	if(!empty($arg)){
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		$request->addChild('arg',$arg);
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	}
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	#$request->addChild('noderange', 'all');
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	if(!empty($nr)){
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		$request->addChild('noderange',$nr);
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	}
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	#echo $request->asXML();	
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	$nodes = submit_request($request,0);
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	return($nodes);
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}
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function submit_request($req, $skipVerify){
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	global $cert,$port,$xcathost;
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	$fp; 
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	$rsp = '';
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	$pos;
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	$response = '';
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	$cleanexit=0;
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    $moreresponses=1;
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	$context = stream_context_create(); #array('ssl'=>array('local_cert' => $cert)));
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	if($fp = stream_socket_client('ssl://'.$xcathost.':'.$port,$errno,$errstr,30,
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                STREAM_CLIENT_CONNECT,$context)){
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		fwrite($fp,$req->asXML());
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		while($moreresponses and $fp and !feof($fp)){
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            $currline=fgets($fp);
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			$response .= $currline;
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			$response = preg_replace('/\n/','', $response);
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			#$pattern = "<xcatresponse><serverdone></serverdone></xcatresponse>";
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			$pattern = "<serverdone>";
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			$pos	= strpos($response,$pattern);
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			if($pos){
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				$cleanexit = 1;
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            }
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            if ($cleanexit) {
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                $pattern = "</xcatresponse>";
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                $pos = strpos($currline,$pattern);
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            }
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            if (is_numeric($pos)) {
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				#$response = substr($response, 0, $pos);
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                #var_dump($response);
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				$response = "<xcat>$response</xcat>";
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				#$response = preg_replace('/<xcatresponse>\s+<\/xcat>/','', $response);
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				#$response .= "</xcat>";
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				#echo htmlentities($response);
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				$rsp = simplexml_load_string($response,'SimpleXMLElement', LIBXML_NOCDATA);
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                $moreresponses=0;
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                break;
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			}
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		}
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		fclose($fp);
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	}else{
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		echo "xCAT Submit request ERROR: $errno - $errstr<br/>\n";
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	}
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	if(! $cleanexit){
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		if(!$skipVerify){
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			echo "Error in xCAT response<br>";
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			$rsp = 0;
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		}
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	}
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	return $rsp;
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}
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?>
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