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//usr/share/pear/XML/RPC.php

<?php
// by Edd Dumbill (C) 1999-2001
// <edd@usefulinc.com>
// $Id: RPC.php,v 1.11 2002/10/02 21:10:19 ssb Exp $

// License is granted to use or modify this software ("XML-RPC for PHP")
// for commercial or non-commercial use provided the copyright of the author
// is preserved in any distributed or derivative work.

// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Adapted to PEAR standards by Stig Sæther Bakken <stig@php.net> and
// Martin Jansen <mj@php.net>

require_once "PEAR.php";

if (!function_exists('xml_parser_create')) {
// Win 32 fix. From: "Leo West" <lwest@imaginet.fr>
 if($WINDIR) {
 dl("php3_xml.dll");
 } else {
 dl("xml.so");
 }
}

$GLOBALS['XML_RPC_I4']="i4";
$GLOBALS['XML_RPC_Int']="int";
$GLOBALS['XML_RPC_Boolean']="boolean";
$GLOBALS['XML_RPC_Double']="double";
$GLOBALS['XML_RPC_String']="string";
$GLOBALS['XML_RPC_DateTime']="dateTime.iso8601";
$GLOBALS['XML_RPC_Base64']="base64";
$GLOBALS['XML_RPC_Array']="array";
$GLOBALS['XML_RPC_Struct']="struct";

$GLOBALS['XML_RPC_Types']=array($GLOBALS['XML_RPC_I4'] => 1,
                                $GLOBALS['XML_RPC_Int'] => 1,
                                $GLOBALS['XML_RPC_Boolean'] => 1,
                                $GLOBALS['XML_RPC_String'] => 1,
                                $GLOBALS['XML_RPC_Double'] => 1,
                                $GLOBALS['XML_RPC_DateTime'] => 1,
                                $GLOBALS['XML_RPC_Base64'] => 1,
                                $GLOBALS['XML_RPC_Array'] => 2,
                                $GLOBALS['XML_RPC_Struct'] => 3);

$GLOBALS['XML_RPC_entities']=array("quot" => '"',
 "amp" => "&",
 "lt" => "<",
 "gt" => ">",
 "apos" => "'");

$GLOBALS['XML_RPC_err']["unknown_method"]=1;
$GLOBALS['XML_RPC_str']["unknown_method"]="Unknown method";
$GLOBALS['XML_RPC_err']["invalid_return"]=2;
$GLOBALS['XML_RPC_str']["invalid_return"]="Invalid return payload: enabling debugging to examine incoming payload";
$GLOBALS['XML_RPC_err']["incorrect_params"]=3;
$GLOBALS['XML_RPC_str']["incorrect_params"]="Incorrect parameters passed to method";
$GLOBALS['XML_RPC_err']["introspect_unknown"]=4;
$GLOBALS['XML_RPC_str']["introspect_unknown"]="Can't introspect: method unknown";
$GLOBALS['XML_RPC_err']["http_error"]=5;
$GLOBALS['XML_RPC_str']["http_error"]="Didn't receive 200 OK from remote server.";

$GLOBALS['XML_RPC_err']["invalid_request"] = 7;
$GLOBALS['XML_RPC_str']["invalid_request"] = "Invalid request payload";

$GLOBALS['XML_RPC_defencoding']="UTF-8";

// let user errors start at 800
$GLOBALS['XML_RPC_erruser']=800;
// let XML parse errors start at 100
$GLOBALS['XML_RPC_errxml']=100;

// formulate backslashes for escaping regexp
$GLOBALS['XML_RPC_backslash']=chr(92).chr(92);

$GLOBALS['XML_RPC_twoslash']=$GLOBALS['XML_RPC_backslash'] . $GLOBALS['XML_RPC_backslash'];
$GLOBALS['XML_RPC_twoslash']="2SLS";

/*
 * Valid parents of XML elements
 * @global array $GLOBALS['XML_RPC_valid_parents']
 */
$GLOBALS['XML_RPC_valid_parents'] = array(
	'BOOLEAN' => array('VALUE'),
	'I4' => array('VALUE'),
	'INT' => array('VALUE'),
	'STRING' => array('VALUE'),
	'DOUBLE' => array('VALUE'),
	'DATETIME.ISO8601' => array('VALUE'),
	'BASE64' => array('VALUE'),
	'ARRAY' => array('VALUE'),
	'STRUCT' => array('VALUE'),
	'PARAM' => array('PARAMS'),
	'METHODNAME' => array('METHODCALL'),		
	'PARAMS' => array('METHODCALL', 'METHODRESPONSE'),
	'MEMBER' => array('STRUCT'),
	'NAME' => array('MEMBER'),
	'DATA' => array('ARRAY'),
	'FAULT' => array('METHODRESPONSE'),
	'VALUE' => array('MEMBER', 'DATA', 'PARAM', 'FAULT'),
);

// used to store state during parsing
// quick explanation of components:
//   ac - used to accumulate values
//   isf - used to indicate a fault
//   lv - used to indicate "looking for a value": implements
//        the logic to allow values with no types to be strings
//   params - used to store parameters in method calls
//   method - used to store method name
//   stack  - array with genealogy of xml elements names:
//            used to validate nesting of xmlrpc elements

$GLOBALS['XML_RPC_xh']=array();

function XML_RPC_entity_decode($string)
{
 $top=split("&", $string);
 $op="";
 $i=0;
 while($i<sizeof($top)) {
 if (ereg("^([#a-zA-Z0-9]+);", $top[$i], $regs)) {
 $op.=ereg_replace("^[#a-zA-Z0-9]+;",
 XML_RPC_lookup_entity($regs[1]),
 $top[$i]);
 } else {
 if ($i==0)
 $op=$top[$i];
 else
 $op.="&" . $top[$i];
 }

$i++;
    }
    return $op;
}

function XML_RPC_lookup_entity($ent)
{
    global $XML_RPC_entities;

if ($XML_RPC_entities[strtolower($ent)])
        return $XML_RPC_entities[strtolower($ent)];

if (ereg("^#([0-9]+)$", $ent, $regs))
        return chr($regs[1]);

return "?";
}

function XML_RPC_se($parser, $name, $attrs)
{
    global $XML_RPC_xh, $XML_RPC_DateTime, $XML_RPC_String, $XML_RPC_valid_parents;

// if invalid xmlrpc already detected, skip all processing
    if ($XML_RPC_xh[$parser]['isf'] >= 2) {
	return;
    }

// check for correct element nesting
    // top level element can only be of 2 types
    if (count($XML_RPC_xh[$parser]['stack']) == 0) {
        if ($name != 'METHODRESPONSE' && $name != 'METHODCALL') {
    	    $XML_RPC_xh[$parser]['isf'] = 2;
	    $XML_RPC_xh[$parser]['isf_reason'] = 'missing top level xmlrpc element';
	    return;
	}
    }
    else
    {
        // not top level element: see if parent is OK
        if (!in_array($XML_RPC_xh[$parser]['stack'][0], $XML_RPC_valid_parents[$name])) {
	    $XML_RPC_xh[$parser]['isf'] = 2;
	    $XML_RPC_xh[$parser]['isf_reason'] = "xmlrpc element $name cannot be child of {$XML_RPC_xh[$parser]['stack'][0]}";
	    return;
	}
    }

switch($name) {
    case "STRUCT":
    case "ARRAY":
	$cur_val = array();
	$cur_val['values'] = array();
	$cur_val['type'] = $name;
	array_unshift($XML_RPC_xh[$parser]['valuestack'], $cur_val);
	break;
    case "METHODNAME":
    case "NAME":
        $XML_RPC_xh[$parser]['ac'] = "";
        break;
    case "FAULT":
        $XML_RPC_xh[$parser]['isf']=1;
        break;
    case "PARAM":
        $XML_RPC_xh[$parser]['value'] = null;
        break;
    case "VALUE":
        $XML_RPC_xh[$parser]['lv']=1;
        $XML_RPC_xh[$parser]['vt'] = 'value';
        $XML_RPC_xh[$parser]['ac']="";
        // look for a value: if this is still 1 by the
        // time we reach the first data segment then the type is string
        // by implication and we need to add in a quote
        break;

case "I4":
    case "INT":
    case "STRING":
    case "BOOLEAN":
    case "DOUBLE":
    case "DATETIME.ISO8601":
    case "BASE64":
	if ($XML_RPC_xh[$parser]['vt']!='value') {
	    $XML_RPC_xh[$parser]['isf'] = 2;
	    $XML_RPC_xh[$parser]['isf_reason'] = "$name element following a {$XML_RPC_xh[$parser]['vt']} element inside a single value";
	    return;
	}

$XML_RPC_xh[$parser]['ac'] = ""; // reset the accumulator
        break;

case "MEMBER":
        $XML_RPC_xh[$parser]['valuestack'][0]['name'] = '';
        $XML_RPC_xh[$parser]['value'] = null;
        break;
    case 'DATA':
    case 'METHODCALL':
    case 'METHODRESPONSE':
    case 'PARAMS':
	// valid elements that add little to processing
	break;			
    default:
        /// INVALID ELEMENT: RAISE ISF so that it is later recognized!!!
        $XML_RPC_xh[$parser]['isf'] = 2;
        $XML_RPC_xh[$parser]['isf_reason'] = "found not-xmlrpc xml element $name";
        break;
    }

// Save current element to stack
    array_unshift($XML_RPC_xh[$parser]['stack'], $name);

if ($name!="VALUE") $XML_RPC_xh[$parser]['lv']=0;
}

function XML_RPC_ee($parser, $name)
{
    global $XML_RPC_xh,$XML_RPC_Types,$XML_RPC_String;

if ($XML_RPC_xh[$parser]['isf'] >= 2) {
	return;
    }
		
    // push this element from stack
    // NB: if XML validates, correct opening/closing is guaranteed and
    // we do not have to check for $name == $curr_elem.
    // we also checked for proper nesting at start of elements...
    $curr_elem = array_shift($XML_RPC_xh[$parser]['stack']);

switch($name) {
    case "STRUCT":
    case "ARRAY":
	$cur_val = array_shift($XML_RPC_xh[$parser]['valuestack']);
	$XML_RPC_xh[$parser]['value'] = $cur_val['values'];
        $XML_RPC_xh[$parser]['st'].=")";
        $XML_RPC_xh[$parser]['vt']=strtolower($name);
        break;

case "NAME":
	$XML_RPC_xh[$parser]['valuestack'][0]['name'] = $XML_RPC_xh[$parser]['ac'];
        break;

case "BOOLEAN":
        // special case here: we translate boolean 1 or 0 into PHP
        // constants true or false
        if ($XML_RPC_xh[$parser]['ac']=='1')
            $XML_RPC_xh[$parser]['value'] = "true";
        else
            $XML_RPC_xh[$parser]['value'] = "false";

$XML_RPC_xh[$parser]['vt'] = $GLOBALS['XML_RPC_Boolean'];
        $XML_RPC_xh[$parser]['ac'] = '';
        $XML_RPC_xh[$parser]['lv'] = 3; // indicate we've found a value
        break;

case "I4":
 case "INT":
 // we have an I4, INT
 // we must check that only 0123456789-.<space> are characters here
 if (!ereg("^[+-]?[0123456789 \t\.]+$", $XML_RPC_xh[$parser]['ac'])) {
 XML_RPC_Base::raiseError('Non-numeric value received in INT: '.$XML_RPC_xh[$parser]['ac'],
 XML_RPC_ERROR_NON_NUMERIC_FOUND);
 $XML_RPC_xh[$parser]['value'] = XML_RPC_ERROR_NON_NUMERIC_FOUND;
 } else {
 // it's ok, add it on
 $XML_RPC_xh[$parser]['value'] = (int)$XML_RPC_xh[$parser]['ac'];
 }
 $XML_RPC_xh[$parser]['vt'] = strtolower($name);
 $XML_RPC_xh[$parser]['ac'] = '';
 $XML_RPC_xh[$parser]['lv'] = 3; // indicate we've found a value
	break;

case "DOUBLE":
 // we have an DOUBLE
 // we must check that only eE0123456789-.<space> are characters here
 if (!ereg("^[+-]?[eE0123456789 \t\.]+$", $XML_RPC_xh[$parser]['ac'])) {
 XML_RPC_Base::raiseError('Non-numeric value received in DOUBLE: '.$XML_RPC_xh[$parser]['ac'],
 XML_RPC_ERROR_NON_NUMERIC_FOUND);
 $XML_RPC_xh[$parser]['value'] = XML_RPC_ERROR_NON_NUMERIC_FOUND;
 } else {
 // it's ok, add it on
 $XML_RPC_xh[$parser]['value'] = (double)$XML_RPC_xh[$parser]['ac'];
 }
 $XML_RPC_xh[$parser]['vt'] = $GLOBALS['XML_RPC_Double'];
 $XML_RPC_xh[$parser]['ac'] = '';
 $XML_RPC_xh[$parser]['lv'] = 3; // indicate we've found a value
	break;

case 'STRING':
        $XML_RPC_xh[$parser]['vt'] = $GLOBALS['XML_RPC_String'];
	$XML_RPC_xh[$parser]['value'] = $XML_RPC_xh[$parser]['ac'];
        $XML_RPC_xh[$parser]['ac'] = '';
        $XML_RPC_xh[$parser]['lv']=3; // indicate we've found a value
	break;
	
    case 'DATETIME.ISO8601':
        $XML_RPC_xh[$parser]['vt'] = $GLOBALS['XML_RPC_DateTime'];
	$XML_RPC_xh[$parser]['value'] = $XML_RPC_xh[$parser]['ac'];
        $XML_RPC_xh[$parser]['ac'] = '';
        $XML_RPC_xh[$parser]['lv'] = 3; // indicate we've found a value
	break;
	
    case 'BASE64':
        $XML_RPC_xh[$parser]['vt'] = $GLOBALS['XML_RPC_Base64'];
	$XML_RPC_xh[$parser]['value'] = base64_decode($XML_RPC_xh[$parser]['ac']);
        $XML_RPC_xh[$parser]['ac'] = '';
        $XML_RPC_xh[$parser]['lv'] = 3; // indicate we've found a value
	break;

case "VALUE":
	if ($XML_RPC_xh[$parser]['vt']=='value') {
	    $XML_RPC_xh[$parser]['value'] = $XML_RPC_xh[$parser]['ac'];
	    $XML_RPC_xh[$parser]['vt'] == $XML_RPC_String;
	}

$temp = new XML_RPC_Value($XML_RPC_xh[$parser]['value'], $XML_RPC_xh[$parser]['vt']);
	
	if (count($XML_RPC_xh[$parser]['valuestack']) && $XML_RPC_xh[$parser]['valuestack'][0]['type']=='ARRAY') {
	    $XML_RPC_xh[$parser]['valuestack'][0]['values'][] = $temp;
	} else {
	    $XML_RPC_xh[$parser]['value'] = $temp;
	}
        break;

case "MEMBER":
        $XML_RPC_xh[$parser]['ac'] = "";
	if ($XML_RPC_xh[$parser]['value']) {
	    $XML_RPC_xh[$parser]['valuestack'][0]['values'][$XML_RPC_xh[$parser]['valuestack'][0]['name']] = $XML_RPC_xh[$parser]['value'];
	}
        break;

case "DATA":
        $XML_RPC_xh[$parser]['ac'] = "";
        break;

case "PARAM":
	if ($XML_RPC_xh[$parser]['value']) {
    	    $XML_RPC_xh[$parser]['params'][] = $XML_RPC_xh[$parser]['value'];
	}
        break;

case "METHODNAME":
        $XML_RPC_xh[$parser]['method']=ereg_replace("^[\n\r\t ]+", "", $XML_RPC_xh[$parser]['ac']);
        break;

case "BOOLEAN":
        // special case here: we translate boolean 1 or 0 into PHP
        // constants true or false
        if ($XML_RPC_xh[$parser]['ac']=='1')
            $XML_RPC_xh[$parser]['ac']="true";
        else
            $XML_RPC_xh[$parser]['ac']="false";

$XML_RPC_xh[$parser]['vt']=strtolower($name);
        break;

default:
        break;
    }
    // if it's a valid type name, set the type
    if (isset($XML_RPC_Types[strtolower($name)])) {
        $XML_RPC_xh[$parser]['vt']=strtolower($name);
    }
}

function XML_RPC_cd($parser, $data)
{
    global $XML_RPC_xh, $XML_RPC_backslash;

if ($XML_RPC_xh[$parser]['isf'] >= 2) {
	return;
    }

if ($XML_RPC_xh[$parser]['lv']!=3) {
        // "lookforvalue==3" means that we've found an entire value
        // and should discard any further character data

if ($XML_RPC_xh[$parser]['lv']==1) {
            // and say we've found a value
            $XML_RPC_xh[$parser]['lv']=2;
        }

// replace characters that eval would
        // do special things with
        if (!isset($XML_RPC_xh[$parser]['ac'])) {
            $XML_RPC_xh[$parser]['ac'] = '';
        }
        $XML_RPC_xh[$parser]['ac'] .= $data;
    }
}

class XML_RPC_Client
{
    var $path;
    var $server;
    var $port;
    var $errno;
    var $errstring;
    var $debug=0;
    var $username="";
    var $password="";

function XML_RPC_Client($path, $server, $port = 80,
                            $proxy = '', $proxy_port = 8080,
                            $proxy_user = '', $proxy_pass = '')
    {
        $this->port=$port;
        $this->server=$server;
        $this->path=$path;
        $this->proxy = $proxy;
        $this->proxy_port = $proxy_port;
        $this->proxy_user = $proxy_user;
        $this->proxy_pass = $proxy_pass;
    }

function setDebug($in)
    {
        if ($in) {
            $this->debug=1;
        } else {
            $this->debug=0;
        }
    }

function setCredentials($u, $p)
    {
        $this->username=$u;
        $this->password=$p;
    }

function send($msg, $timeout=0)
    {
        // where msg is an xmlrpcmsg
        $msg->debug=$this->debug;
        return $this->sendPayloadHTTP10($msg, $this->server, $this->port,
                                        $timeout, $this->username,
                                        $this->password);
    }

if(!$fp && $this->proxy) {
            PEAR::raiseError("Connection to proxy server ".$this->proxy.":".$this->proxy_port." failed");
        }
        else if(!$fp) {
            PEAR::raiseError("Connection to RPC server ".$this->server." failed");
        }

// Only create the payload if it was not created previously
        if(empty($msg->payload)) $msg->createPayload();

// thanks to Grant Rauscher <grant7@firstworld.net>
 // for this
 $credentials="";
 if ($username!="") {
 $credentials="Authorization: Basic " .
 base64_encode($username . ":" . $password) . "\r\n";
 }

if($this->proxy) {
            $op = "POST http://" . $this->server;

if($this->proxy_port) {
                $op .= ":" . $this->port;
            }
        }
        else {
           $op = "POST ";
        }

$op .= $this->path. " HTTP/1.0\r\nUser-Agent: PHP XMLRPC 1.0\r\n" .
            "Host: ". $this->server  . "\r\n";
        if ($this->proxy && $this->proxy_user != '') {
            $op .= 'Proxy-Authorization: Basic ' .
                base64_encode($this->proxy_user . ':' . $this->proxy_pass) .
                "\r\n";
        }
        $op .= $credentials .
            "Content-Type: text/xml\r\nContent-Length: " .
            strlen($msg->payload) . "\r\n\r\n" .
            $msg->payload;

// print($op);

if (!fputs($fp, $op, strlen($op))) {
            $this->errstr="Write error";
            return 0;
        }
        $resp=$msg->parseResponseFile($fp);
        fclose($fp);
        return $resp;
    }
}

class XML_RPC_Response
{
    var $xv;
    var $fn;
    var $fs;
    var $hdrs;

function faultCode()
    {
        if (isset($this->fn))
            return $this->fn;
        else
            return 0;
    }

function faultString() { return $this->fs; }
    function value() { return $this->xv; }

class XML_RPC_Message
{
    var $payload;
    var $methodname;
    var $params = array();
    var $debug=0;

function XML_RPC_Message($meth, $pars=0)
 {
 $this->methodname=$meth;
 if (is_array($pars) && sizeof($pars)>0) {
 for($i=0; $i<sizeof($pars); $i++)
 $this->addParam($pars[$i]);
 }
 }

function xml_header()
 {
 return "<?xml version=\"1.0\"?>\n<methodCall>\n";
 }

function xml_footer()
 {
 return "</methodCall>\n";
 }

function method($meth="")
    {
        if ($meth!="") {
            $this->methodname=$meth;
        }
        return $this->methodname;
    }

function serialize()
    {
        $this->createPayload();
        return $this->payload;
    }

function addParam($par) { $this->params[]=$par; }
    function getParam($i) { return $this->params[$i]; }
    function getNumParams() { return sizeof($this->params); }

function parseResponseFile($fp)
    {
        $ipd="";

while($data=fread($fp, 32768)) {
            $ipd.=$data;
        }
        return $this->parseResponse($ipd);
    }

function parseResponse($data="")
    {
        global $XML_RPC_xh,$XML_RPC_err,$XML_RPC_str;
        global $XML_RPC_defencoding;

$parser = xml_parser_create($XML_RPC_defencoding);

$XML_RPC_xh[$parser]=array();

$XML_RPC_xh[$parser]['isf']=0;
        $XML_RPC_xh[$parser]['isf_reason'] = '';
        $XML_RPC_xh[$parser]['ac']="";
        $XML_RPC_xh[$parser]['qt']="";
	$XML_RPC_xh[$parser]['stack']=array();
	$XML_RPC_xh[$parser]['valuestack']=array();

xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
        xml_set_element_handler($parser, "XML_RPC_se", "XML_RPC_ee");
        xml_set_character_data_handler($parser, "XML_RPC_cd");
        xml_set_default_handler($parser, "XML_RPC_dh");
        $xmlrpc_value = new XML_RPC_Value;

$hdrfnd=0;
 if ($this->debug) {
 print "<PRE>---GOT---\n";
 print isset($_SERVER['SERVER_PROTOCOL']) ? htmlspecialchars($data) : $data;
 print "\n---END---\n</PRE>";
 }
 // see if we got an HTTP 200 OK, else bomb
 // but only do this if we're using the HTTP protocol.
 if (ereg("^HTTP",$data) &&
 !ereg("^HTTP/[0-9\.]+ 200 ", $data)) {
 $errstr= substr($data, 0, strpos($data, "\n")-1);
 error_log("HTTP error, got response: " .$errstr);
 $r=new XML_RPC_Response(0, $XML_RPC_err["http_error"],
 $XML_RPC_str["http_error"]. " (" .
 $errstr . ")");
 xml_parser_free($parser);
 return $r;
 }
 // gotta get rid of headers here
 
 
 if ((!$hdrfnd) && ($brpos = strpos($data,"\r\n\r\n"))) {
 $XML_RPC_xh[$parser]['ha'] = substr($data,0,$brpos);
 $data= substr($data,$brpos+4);
 $hdrfnd=1;
 }

if (!xml_parse($parser, $data, sizeof($data))) {
 // thanks to Peter Kocks <peter.kocks@baygate.com>
 if((xml_get_current_line_number($parser)) == 1)
 $errstr = "XML error at line 1, check URL";
 else
 $errstr = sprintf("XML error: %s at line %d",
 xml_error_string(xml_get_error_code($parser)),
 xml_get_current_line_number($parser));
 error_log($errstr);
 $r=new XML_RPC_Response(0, $XML_RPC_err["invalid_return"],
 $XML_RPC_str["invalid_return"]);
 xml_parser_free($parser);
 return $r;
 }
 xml_parser_free($parser);
 if ($this->debug) {
 	 print '<PRE>---PARSED---\n';
	 var_dump($XML_RPC_xh[$parser]['value']);
	 print '\n---END---</PRE>';
 }
	if ($XML_RPC_xh[$parser]['isf'] > 1) {
 $r = new XML_RPC_Response(0, $XML_RPC_err['invalid_return'],
 $XML_RPC_str['invalid_return'].' '.$XML_RPC_xh[$parser]['isf_reason']);
	} else if (!is_object($XML_RPC_xh[$parser]['value'])) {
 // then something odd has happened
 // and it's time to generate a client side error
 // indicating something odd went on
 $r=new XML_RPC_Response(0, $XML_RPC_err["invalid_return"],
 $XML_RPC_str["invalid_return"]);
 } else {
	 $v = $XML_RPC_xh[$parser]['value'];
	 $allOK=1;
 if ($XML_RPC_xh[$parser]['isf']) {
 $f=$v->structmem("faultCode");
 $fs=$v->structmem("faultString");
 $r=new XML_RPC_Response($v, $f->scalarval(),
 $fs->scalarval());
 } else {
 $r=new XML_RPC_Response($v);
 }
 }
 $r->hdrs=split("\r?\n", $XML_RPC_xh[$parser]['ha'][1]);
 return $r;
 }

}

class XML_RPC_Value
{
    var $me=array();
    var $mytype=0;

function addScalar($val, $type="string")
    {
        global $XML_RPC_Types, $XML_RPC_Boolean;

if ($this->mytype==1) {
 echo "XML_RPC_Value: scalar can have only one value ";
 return 0;
 }
 $typeof=$XML_RPC_Types[$type];
 if ($typeof!=1) {
 echo "XML_RPC_Value: not a scalar type (${typeof}) ";
 return 0;
 }

if ($type==$XML_RPC_Boolean) {
            if (strcasecmp($val,"true")==0 ||
                $val==1 ||
                ($val==true &&
                    strcasecmp($val,"false"))) {

$val=1;
            } else {
                $val=0;
            }
        }

if ($this->mytype==2) {
            // we're adding to an array here
            $ar=$this->me["array"];
            $ar[]=new XML_RPC_Value($val, $type);
            $this->me["array"]=$ar;
        } else {
            // a scalar, so set the value and remember we're scalar
            $this->me[$type]=$val;
            $this->mytype=$typeof;
        }
        return 1;
    }

function addArray($vals)
 {
 global $XML_RPC_Types;
 if ($this->mytype!=0) {
 echo "XML_RPC_Value: already initialized as a [" .
 $this->kindOf() . "] ";
 return 0;
 }
 $this->mytype=$XML_RPC_Types["array"];
 $this->me["array"]=$vals;
 return 1;
 }

function addStruct($vals)
 {
 global $XML_RPC_Types;
 if ($this->mytype!=0) {
 echo "XML_RPC_Value: already initialized as a [" .
 $this->kindOf() . "] ";
 return 0;
 }
 $this->mytype=$XML_RPC_Types["struct"];
 $this->me["struct"]=$vals;
 return 1;
 }

function kindOf()
    {
        switch($this->mytype) {
                case 3:
                    return "struct";
                    break;
                case 2:
                    return "array";
                    break;
                case 1:
                    return "scalar";
                    break;
                default:
                    return "undef";
        }
    }

function serialize()
    {
        return $this->serializeval($this);
    }

function serializeval($o)
 {
 global $XML_RPC_Types;
 $rs="";
 $ar=$o->me;
 reset($ar);
 list($typ, $val) = each($ar);
 $rs.="<value>";
 $rs.=$this->serializedata($typ, $val);
 $rs.="</value>\n";
 return $rs;
 }

function structmem($m)
    {
        $nv=$this->me["struct"][$m];
        return $nv;
    }

function structreset()
    {
        reset($this->me["struct"]);
    }

function structeach()
    {
        return each($this->me["struct"]);
    }

function getval() {
        // UNSTABLE
        global $XML_RPC_BOOLEAN, $XML_RPC_Base64;

reset($this->me);
        list($a,$b)=each($this->me);

// contributed by I Sofer, 2001-03-24
        // add support for nested arrays to scalarval
        // i've created a new method here, so as to
        // preserve back compatibility

if (is_array($b))    {
            foreach ($b as $id => $cont) {
                $b[$id] = $cont->scalarval();
            }
        }

// add support for structures directly encoding php objects
        if (is_object($b))  {
            $t = get_object_vars($b);
            foreach ($t as $id => $cont) {
                $t[$id] = $cont->scalarval();
            }
            foreach ($t as $id => $cont) {
                $b->$id = $cont;
            }
        }

// end contrib
        return $b;
    }

function scalarval()
    {
        global $XML_RPC_Boolean, $XML_RPC_Base64;
        reset($this->me);
        list($a,$b)=each($this->me);
        return $b;
    }

function scalartyp()
    {
        global $XML_RPC_I4, $XML_RPC_Int;
        reset($this->me);
        list($a,$b)=each($this->me);
        if ($a==$XML_RPC_I4)
            $a=$XML_RPC_Int;
        return $a;
    }

function arraymem($m)
    {
        $nv=$this->me["array"][$m];
        return $nv;
    }

function arraysize()
    {
        reset($this->me);
        list($a,$b)=each($this->me);
        return sizeof($b);
    }
}

/**
 * date helpers
 */
function XML_RPC_iso8601_encode($timet, $utc=0) {
    // return an ISO8601 encoded string
    // really, timezones ought to be supported
    // but the XML-RPC spec says:
    //
    // "Don't assume a timezone. It should be specified by the server in its
    // documentation what assumptions it makes about timezones."
    //
    // these routines always assume localtime unless
    // $utc is set to 1, in which case UTC is assumed
    // and an adjustment for locale is made when encoding
    if (!$utc) {
        $t=strftime("%Y%m%dT%H:%M:%S", $timet);
    } else {
        if (function_exists("gmstrftime"))
            // gmstrftime doesn't exist in some versions
            // of PHP
            $t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);
        else {
            $t=strftime("%Y%m%dT%H:%M:%S", $timet-date("Z"));
        }
    }

return $t;
}

function XML_RPC_iso8601_decode($idate, $utc=0) {
    // return a timet in the localtime, or UTC
    $t=0;
    if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})",$idate, $regs)) {

if ($utc) {
            $t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
        } else {
            $t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
        }
    }

return $t;
}

/******************************************************************
* XML_RPC_decode takes a message in PHP XML_RPC object format and *
* tranlates it into native PHP types.                             *
*                                                                 *
* author: Dan Libby (dan@libby.com)                               *
******************************************************************/
function XML_RPC_decode($XML_RPC_val) {
    $kind = $XML_RPC_val->kindOf();

if($kind == "scalar") {
      return $XML_RPC_val->scalarval();
   }
   else if($kind == "array") {
      $size = $XML_RPC_val->arraysize();
      $arr = array();

for($i = 0; $i < $size; $i++) {
 $arr[]=XML_RPC_decode($XML_RPC_val->arraymem($i));
 }
 return $arr;
 }
 else if($kind == "struct") {
 $XML_RPC_val->structreset();
 $arr = array();

while(list($key,$value)=$XML_RPC_val->structeach()) {
         $arr[$key] = XML_RPC_decode($value);
      }
      return $arr;
   }
}

/*****************************************************************
* XML_RPC_encode takes native php types and encodes them into    *
* XML_RPC PHP object format.                                     *
* BUG: All sequential arrays are turned into structs.  I don't   *
* know of a good way to determine if an array is sequential      *
* only.                                                          *
*                                                                *
* feature creep -- could support more types via optional type    *
* argument.                                                      *
*                                                                *
* author: Dan Libby (dan@libby.com)                              *
*****************************************************************/
function XML_RPC_encode($php_val) {
   global $XML_RPC_Boolean;
   global $XML_RPC_Int;
   global $XML_RPC_Double;
   global $XML_RPC_String;
   global $XML_RPC_Array;
   global $XML_RPC_Struct;

$type = gettype($php_val);
   $XML_RPC_val = new XML_RPC_value;

switch($type) {
 case "array":
 case "object":
 $arr = array();
 while (list($k,$v) = each($php_val)) {
 $arr[$k] = XML_RPC_encode($v);
 }
 $XML_RPC_val->addStruct($arr);
 break;
 case "integer":
 $XML_RPC_val->addScalar($php_val, $XML_RPC_Int);
 break;
 case "double":
 $XML_RPC_val->addScalar($php_val, $XML_RPC_Double);
 break;
 case "string":
 case "NULL":
 $XML_RPC_val->addScalar($php_val, $XML_RPC_String);
 break;
// <G_Giunta_2001-02-29>
// Add support for encoding/decoding of booleans, since they are supported in PHP
 case "boolean":
 $XML_RPC_val->addScalar($php_val, $XML_RPC_Boolean);
 break;
// </G_Giunta_2001-02-29>
 case "unknown type":
 default:
 $XML_RPC_val = false;
 break;
 }
 return $XML_RPC_val;
}