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<?php
class ConfigFile
{
private $pageDef;
private $tblDef;
//TAG=0, VALUE=1, ELEMENTS=2
public function __construct()
{}
//type = ('serv','vh','admin','tp','ha')
public function load(&$confData, &$err)
{
if ($confData->_type == 'ha'
&& !is_file($confData->_path)
&& !$this->init_haconfig($confData->_path)) {
// if not exist, write an empty file
return false;
}
$xmltree = new XmlTreeBuilder();
$rootNode = &$xmltree->ParseFile($confData->_path, $err);
if ( $rootNode != null )
{
$this->pageDef = DPageDef::GetInstance();
$this->tblDef = DTblDef::GetInstance();
$this->load_data($rootNode, $confData);
switch( $confData->_type ) {
case 'serv':
$this->fill_serv($confData);
break;
case 'admin':
$this->fill_listener($confData);
break;
case 'vh':
case 'tp':
$this->fill_vh($confData);
break;
case 'ha':
break;
}
return true;
}
error_log($err);
$confData->_data = array();
return false;
}
function init_haconfig($confpath)
{
$fd = fopen($confpath, 'w');
if ( !$fd )
{
error_log("failed to open in write mode for $confpath");
return false;
}
$text = '<?xml version="1.0" encoding="UTF-8"?>'."\n"
. '<haConfig></haConfig>' . "\n";
if(fwrite($fd, $text) === false) {
error_log("failed to write temp config for $confpath");
return false;
}
fclose($fd);
return true;
}
public function save(&$confData)
{
$fd = fopen($confData->_path . ".new", 'w');
if ( !$fd )
{
error_log("failed to open in write mode for " . $confData->_path . ".new");
return false;
}
if ( !isset($this->pageDef))
{
$this->pageDef = DPageDef::GetInstance();
$this->tblDef = DTblDef::GetInstance();
}
$data = &$this->convert_data($confData);
$level = 0;
$result = '<?xml version="1.0" encoding="UTF-8"?>'."\n";
$this->writeStruct( $result, $level, $data);
if(fwrite($fd, $result) === false) {
error_log("failed to write temp config for " . $confData->_path . ".new");
return false;
}
fclose($fd);
@unlink($confData->_path . ".bak");
if(!rename($confData->_path, $confData->_path . ".bak")) {
error_log("failed to rename " . $confData->_path . " to " . $confData->_path . ".bak");
return false;
}
if(!rename($confData->_path . ".new", $confData->_path)) {
error_log("failed to rename " . $confData->_path . ".new to " . $confData->_path);
return false;
}
return true;
}
private function &convert_data($confData)
{
$type = $confData->_type;
$from = $confData->_data;
$to0 = array();
if ( $type == 'serv' ) {
$t = CLIENT::UTYPE;
if ( $t == 'LSWS' )
$to = &$to0['httpServerConfig'];
else
$to = &$to0['loadBalancerConfig'];
} elseif ( $type == 'vh' ) {
$to = &$to0['virtualHostConfig'];
} elseif ( $type == 'tp' ) {
$to = &$to0['virtualHostTemplate'];
} elseif ( $type == 'admin' ) {
$to = &$to0['adminConfig'];
} elseif ( $type == 'ha' ) {
$to = &$to0['haConfig'];
}
$pages = $this->pageDef->GetFileDef($type);
$num = count($pages);
for ( $c = 0 ; $c < $num ; ++$c )
{
$page = $pages[$c];
if ( $page->GetLayerId() == null ){
$this->convertStruct( $from, $to, $page->GetTids() );
}
else {
$from1 = &DUtil::locateData( $from, $page->GetDataLoc() );
if ( empty($from1) ) {
continue;
}
$to1 = &DUtil::locateData( $to, $page->GetLayerId() );
if ( $page->GetHolderIndex() == null ) {
$this->convertStruct( $from1, $to1, $page->GetTids() );
} else {
$keys = array_keys($from1);
foreach( $keys as $key ) {
$to2 = array();
$this->convertStruct( $from1[$key], $to2, $page->GetTids() );
$to1[] = $to2;
}
}
}
}
return $to0;
}
private function load_data(&$rootNode, &$confData)
{
$holder = &$confData->_data;
$el = &$rootNode[2];
$pages = $this->pageDef->GetFileDef($confData->_type);
$num = count($pages);
for ( $c = 0 ; $c < $num ; ++$c )
{
$page = &$pages[$c];
if ( $page->GetLayerId() == null )
$this->extractSection( $el, $holder, $page->GetTids() );
else
{
$isRepeated = ($page->GetHolderIndex() != null);
$els = &$this->locateXmlElement( $el, $page->GetLayerId(), $isRepeated );
if ( count($els) == 0 )
continue;
$holder1 = &DUtil::locateData( $holder, $page->GetDataLoc() );
if ( !$isRepeated )
{
$this->extractSection( $els[0], $holder1, $page->GetTids() );
}
else
{
$innercount = count($els);
for ( $j = 0 ; $j < $innercount ; ++$j )
{
$holder2 = array();
$this->extractSection( $els[$j], $holder2, $page->GetTids() );
if ($holder2[$page->GetHolderIndex()] != null)
$holder1[$holder2[$page->GetHolderIndex()]->GetVal()] = $holder2;
else {
error_log("empty page index " . $page->GetHolderIndex() . print_r($page, true));
error_log("holder2 is " . print_r($holder2, true));
die();
}
}
}
}
}
}
private function fill_serv(&$confData)
{
$holder = &$confData->_data;
$runningAs = 'user('. $holder['general']['user']->GetVal() .
') : group(' . $holder['general']['group']->GetVal() .')' ;
$holder['general']['runningAs'] = new CVal($runningAs);
$proc = 1;
if (CLIENT::UTYPE == 'LSWS') {
$proc = $_SERVER['LSWS_CHILDREN']{0};
if ($proc == '9') {
if (isset($holder['general']['workerProcesses'])) {
$proc = 0; // bypass
} else {
$proc = substr($_SERVER['LSWS_CHILDREN'], 2);
}
}
} elseif (CLIENT::UTYPE == 'LSLB') {
$proc = $_SERVER['LSLB_CHILDREN']{0};
if ($proc == '9') {
if (isset($holder['general']['workerProcesses'])) {
$proc = 0; // bypass
} else { // 9:n
$proc = substr($_SERVER['LSLB_CHILDREN'], 2);
}
}
}
if ($proc > 0) {
$holder['general']['workerProcesses'] = new CVal($proc);
}
$this->fill_listener($confData);
}
private function fill_listener(&$confData)
{
$listeners = &$confData->_data['listeners'];
if ( empty($listeners))
return;
$lnames = array_keys($listeners);
foreach ( $lnames as $ln )
{
$l = &$listeners[$ln];
if (isset($l['address'])) {
$addr = $l['address']->GetVal();
$pos = strrpos($addr,':');
if ( $pos )
{
$ip = substr($addr, 0, $pos);
if ( $ip == '*' )
$ip = 'ANY';
$l['ip'] = new CVal($ip);
$l['port'] = new CVal(substr($addr, $pos+1));
}
}
}
}
private function fill_vh(&$confData)
{
$ctxs = &$confData->_data['context'];
if ( empty($ctxs) )
return;
$keys = array_keys($ctxs);
$i = 1;
foreach ( $keys as $k )
{
$ctxs[$k]['order'] = new CVal($i);
++$i;
}
}
private function extractSection( &$el, &$holder, $tids)
{
foreach( $tids as $tid ) {
$tbl = $this->tblDef->GetTblDef($tid);
$holderIndex = $tbl->_holderIndex;
$isRepeated = ($holderIndex != null);
$els = &$this->locateXmlElement($el, $tbl->_layerId, $isRepeated);
if ( count($els) == 0 )
continue;
$holder_cur = &DUtil::locateData( $holder, $tbl->_dataLoc );
$tags = $tbl->GetTags();
foreach ($els as $e) {
if ( $isRepeated ) {
$loader_root = array();
$loader_cur = &DUtil::locateData( $loader_root, $tbl->_dataLoc );
$this->extractElement('' , $tags, $e, $loader_cur);
if ( $tbl->_subTbls != null ) {
$this->extractSubTbl($e, $loader_root, $tbl);
}
if ( $tbl->_linkedTbls != null && isset($tbl->_linkedTbls['file']) ) {
$this->extractSection($e, $loader_cur, $tbl->_linkedTbls['file']);
}
if ($loader_cur[$holderIndex] != null) {
$holder_cur[ $loader_cur[$holderIndex]->GetVal() ] = $loader_cur;
}
} else {
$this->extractElement('' , $tags, $e, $holder_cur);
if ( $tbl->_subTbls != null ) {
$this->extractSubTbl($e, $holder_cur, $tbl) ;
}
}
}
}
}
private function extractSubTbl($el, &$holder, $tbl)
{
$holder1 = &DUtil::locateData( $holder, $tbl->_dataLoc );
$tid = DUtil::getSubTid($tbl->_subTbls, $holder1);
if ( $tid == null )
return;
if ( is_array($tid) ) {
$tids = $tid;
$holder2 = array() ;
$this->extractSection($el, $holder2, $tids) ;
foreach ( $holder2 as $key => $val ) {
$holder1[$key] = $val ;
}
}
else {
$tids = array( $tid ) ;
$holder2 = array() ;
$this->extractSection($el, $holder2, $tids) ;
$holder3 = &DUtil::locateData($holder2, $tbl->_dataLoc) ;
$keys = array_keys($holder3) ;
foreach ( $holder3[$keys[0]] as $key => $val ) {
$holder1[$key] = $val ;
}
}
}
private function &locateXmlElement(&$el, $layerId, $isRepeated)
{
$els = array();
if ( $layerId == null )
{
$els[] = &$el;
}
else
{
$layerIds = explode(':', $layerId);
$depth = count($layerIds);
$el1 = &$el;
for ( $layer = 0 ; $layer < $depth ; ++$layer )
{
$innercount = count($el1);
$tag = $layerIds[$layer];
$found = false;
for ( $i = 0 ; $i < $innercount ; ++$i )
{
if ( $el1[$i][0] == $tag )
{
$found = true;
if ( ($layer+1) == $depth )
{
$els[] = &$el1[$i][2];
if ( !$isRepeated )
break;
}
else
{
$el1 = &$el1[$i][2];
break;
}
}
}
if (!$found)
break;
}
}
return $els;
}
private function extractElement($prefix, $tags, $el, &$data)
{
$ids = array_keys($tags);
foreach ($el as $e)
{
$name = $e[0];
if ( in_array($name, $ids) )
{
if ( is_array($tags[$name]) )
{
$prefix1 = $prefix . $name . ':';
$this->extractElement( $prefix1, $tags[$name], $e[2], $data );
}
else
{
$index = $prefix . $name;
if ( $tags[$name] == 2 )
$data[$index][] = new CVal($e[1]);
else
$data[$index] = new CVal($e[1]);
}
}
}
}
private function writeStruct( &$result, &$level, &$data)
{
$keys = array_keys($data);
foreach( $keys as $key )
{
$data1 = &$data[$key];
if ( is_array($data1) )
{
if ( isset($data1[0]) ) //numeric
{
$c = count($data1);
for ( $i = 0 ; $i < $c ; ++$i )
{
if ( is_array($data1[$i]) )
{
$result .= $this->xmlTagS( $level, $key );
$this->writeStruct( $result, $level, $data1[$i] );
$result .= $this->xmlTagE( $level, $key );
}
else
$result .= $this->xmlTag( $level, $key, $data1[$i] );
}
}
else
{
$result .= $this->xmlTagS( $level, $key );
$this->writeStruct( $result, $level, $data1 );
$result .= $this->xmlTagE( $level, $key );
}
}
else
{
if ( isset($data1) )
$result .= $this->xmlTag( $level, $key, $data1 );
}
}
}
private function convertStruct( &$from, &$to, $tids )
{
foreach( $tids as $tid ) {
$tbl = $this->tblDef->GetTblDef($tid);
$fholder = &DUtil::locateData($from, $tbl->_dataLoc);
if ( !isset($fholder) ) continue;
$holder = &DUtil::locateData($to, $tbl->_layerId);
if ( $tbl->_holderIndex != null ) {
$fkeys = array_keys( $fholder );
foreach ( $fkeys as $fkey ) {
$data = array();
$from1 = &$fholder[$fkey];
$this->convertOneLevel($from1, $data, $tbl->_dattrs);
if ( $tbl->_subTbls != null ) {
$this->convertSubTbl($from1, $data, $tbl);
}
if ( $tbl->_linkedTbls != null && isset($tbl->_linkedTbls['file']) ) {
$this->convertStruct($from1, $data, $tbl->_linkedTbls['file']);
}
$holder[] = $data;
}
} else {
$this->convertOneLevel($fholder, $holder, $tbl->_dattrs);
if ( $tbl->_subTbls != null ) {
$this->convertSubTbl($fholder, $holder, $tbl) ;
}
}
}
}
private function convertSubTbl($from, &$to, $tbl)
{
$tid1 = DUtil::getSubTid($tbl->_subTbls, $from);
if ( $tid1 == null )
return;
if ( is_array($tid1) ) {
$this->convertStruct( $from, $to, $tid1 );
}
else {
$tbl1 = $this->tblDef->getTblDef($tid1) ;
$this->convertOneLevel($from, $to, $tbl1->_dattrs) ;
}
}
private function convertOneLevel($from, &$to, $attrs)
{
foreach ( $attrs as $attr )
{
if ( $attr->_type != 'action' && $attr->_FDE[0] == 'Y' )
{
$this->convertCopy($from, $to, $attr);
}
}
}
private function convertCopy( $from, &$to, $attr )
{
$attr_key = $attr->_key;
if ( !isset($from[$attr_key]) && $attr->_allowNull ) {
return;
}
$prepared = null;
if (isset($from[$attr_key]) && is_array($from[$attr_key]) ) {
foreach ( $from[$attr_key] as $i ) {
$prepared[] = $i->GetVal();
}
}
elseif (isset($from[$attr_key]) && $from[$attr_key]->HasVal()) {
$prepared = $from[$attr_key]->GetVal();
}
if ( strpos($attr_key, ':') === false ) {
$to[$attr_key] = $prepared;
} else {
$to1 = &DUtil::locateData($to, $attr_key);
$to1 = $prepared;
}
}
private function xmlTag($level, $tag, $value)
{
$val = htmlspecialchars($value);
return str_repeat(' ', $level) . "<$tag>$val</$tag>\n";
}
private function xmlTagS(&$level, $tag)
{
return str_repeat(' ', $level++) . "<$tag>\n";
}
private function xmlTagE(&$level, $tag)
{
return str_repeat(' ', --$level) . "</$tag>\n";
}
}