This file is indexed.

/usr/sbin/update-gosa is in gosa 2.7.4+reloaded2-13+deb9u1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/usr/bin/php
<?php
/*
 * This code is part of GOsa (http://www.gosa-project.org)
 * Copyright (C) 2003-2010 GONICUS GmbH
 *
 * ID: $$Id: main.php 9254 2008-03-03 15:57:49Z cajus $$
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

define ("GOSA_HOME", "/usr/share/gosa");
define ("LOCALE_DIR", GOSA_HOME."/locale");
define ("PLUGSTATE_DIR", GOSA_HOME."/state");

function print_usage()
{
	?>
update-gosa - class cache updated and plugin manager for GOsa
Usage: update-gosa install dsc     Install the plugin using the dsc information
                                   placed in the plugin source directory.

       update-gosa remove plugin   Remove the plugin named "plugin" from
                                   the current configuration.

       update-gosa list           Lists installed plugins

       update-gosa rescan-i18n     Rebuilds the translations

       update-gosa rescan-images   Rebuilds the themes master image

       update-gosa rescan-classes  Rebuilds the class list
       
       update-gosa                 Shortcut for rescan-classes and rescan-i18n
<?php
	exit (1);
}


function rmdirRecursive($path, $followLinks=false) {
  $dir= opendir($path);
  while($entry= readdir($dir)) {
    if(is_file($path."/".$entry) || ((!$followLinks) && is_link($path."/".$entry))) {
      unlink($path."/".$entry);
    } elseif (is_dir($path."/".$entry) && $entry!='.' && $entry!='..') {
      rmdirRecursive($path."/".$entry);
    }
  }
  closedir($dir);
  return rmdir($path);
}


function get_themes()
{
  $themes= array();
  $d = dir(GOSA_HOME."/html/themes");
  while (false !== ($entry = $d->read())) {
    if ($entry[0] != '.') {
      $themes[]= basename($entry);
    }
  }
  $d->close();

  return $themes;
}

/* Function to include all class_ files starting at a given directory base */
function get_classes($folder= ".")
{
  static $base_dir= "";
  static $result= array();

  if ($base_dir == ""){
    if ($folder == "."){
      $base_dir= getcwd();
    } else {
      $base_dir= $folder;
    }
  }

  $currdir=getcwd();
  if ($folder){
    chdir("$folder");
  }

  $dh = opendir(".");
  while(is_resource($dh) && false !== ($file = readdir($dh))){

    if (preg_match("/.*\.svn.*/", $file) ||
        preg_match("/.*smarty.*/i",$file) ||
        preg_match("/.*\.tpl.*/",$file) ||
        ($file==".") ||($file =="..")){
      continue;
    }

    /* Recurse through all "common" directories */
    if (is_dir($file) && !file_exists("{$file}/excludeFromAutoLoad")){
      get_classes($file);
      continue;
    }

    /* Only take care about .inc and .php files... */
    if (!(preg_match('/\.php$/', $file) || preg_match('/\.inc$/', $file))){
      continue;
    }

    /* Include existing class_ files */
    $contents= file($file);
    foreach($contents as $line){
      $line= chop($line);
      if (preg_match('/^\s*class\s*\w.*$/', $line)){
        $class= preg_replace('/^\s*class\s*(\w+).*$/', '\1', $line);
        $result[$class]= preg_replace("%$base_dir/%", "", "$currdir/$folder/$file");
      }
    }
  }

  @closedir($dh);
  chdir($currdir);

  return ($result);
}


function rescan_classes()
{
	echo "Updating class cache...\n";
	$class_mapping= get_classes("/usr/share/gosa");
	$filename= "/var/cache/gosa/class.cache";

	/* Sanity checks */
	if (!file_exists($filename) || is_writable($filename)) {

	    if (!$handle= fopen($filename, 'w')) {
		 echo "Cannot open file \"$filename\" - aborted\n";
		 exit (1);
	    }

	} else {
	    echo "File \"$filename\" is not writable - aborted\n";
	    exit (2);
	}

	fwrite ($handle, "<?php\n\$class_mapping= array(\n");
	foreach ($class_mapping as $key => $value){
	  fwrite ($handle, "                \"$key\" => \"$value\",\n");
	}
	fwrite ($handle, " );\n");

	fclose($handle);
}


function rescan_i18n()
{
	echo "Updating internationalization...\n";
	$languages= array();
	$size= strlen(LOCALE_DIR);

	/* Get all available messages.po files, sort them for languages */
	$dir= new RecursiveDirectoryIterator(LOCALE_DIR);
	$all= new RecursiveIteratorIterator($dir);
	foreach ( $all as $element ){
		if ($element->isFile() && preg_match('/\/LC_MESSAGES\/messages.po$/', $element->getPathname())){
			$lang= preg_replace('/^.*\/([^\/]+)\/LC_MESSAGES\/.*$/', '\1', $element);
			if (!isset($languages[$lang])){
				$languages[$lang]= array();
			}
			$languages[$lang][]= substr($element->getPathName(), $size+1);
		}
	}

	/* For each language, merge the target .mo to the compiled directory. */
	foreach ($languages as $language => $po_files){
		if (!is_dir("/var/cache/gosa/locale/${language}/LC_MESSAGES")){
			if (!mkdir ("/var/cache/gosa/locale/${language}/LC_MESSAGES", 0755, TRUE)){
				echo "Failed to create '/var/cache/gosa/locale/${language}/LC_MESSAGES'- aborted";
				exit (3);
			}
		}

		/* Cat all these po files into one single file */
		system ("(cd ".LOCALE_DIR." && msgcat --use-first ".implode(" ", $po_files)." > /var/cache/gosa/locale/${language}/LC_MESSAGES/messages.po)", $val);
		if ($val != 0){
			echo "Merging of message files failed - aborted";
			exit (4);
		}
		system ("(cd /var/cache/gosa/locale/${language}/LC_MESSAGES && msgfmt -o messages.mo messages.po && rm messages.po)", $val);
		if ($val != 0){
			echo "Compiling of message files failed - aborted";
			exit (5);
		}
	}

	echo "! Warning: you may need to reload your webservice!\n";
}


function parse_ini($file)
{
	global $description, $provides, $depends, $versions, $conflicts;

	$res= "";
	if (file_exists($file)){
		$tmp= parse_ini_file($file, TRUE);

		if (isset($tmp['gosa-plugin'])){
			$plugin= &$tmp['gosa-plugin'];
			if (isset($plugin['name'])&& isset($plugin['description'])){
				$res= $plugin['name'];
				$description[$res]= $plugin['description'];
				$versions[$res]= $plugin['version'];
				$provides[$res]= $res;
				if (isset($plugin['depends'])){
					$depends[$res]= explode(',', preg_replace('/\s+/', '', $plugin['depends']));
				}
				if (isset($plugin['conflicts'])){
					$conflicts[$res]= explode(',', preg_replace('/\s+/', '', $plugin['conflicts']));
				}
			}
		}
	}

	return $res;
}


function dependency_check()
{
	global $description, $provides, $depends;

	foreach ($depends as $name => $pl_depends){
		foreach ($pl_depends as $pl){
			if (!in_array($pl, $provides)){
				echo "! Error: plugin '$name' depends on '$pl' which is not provided by any plugin\n\n";
				exit (1);
			}
		}
	}
}


function load_plugins()
{
	if (!is_dir(PLUGSTATE_DIR)){
		if (!mkdir (PLUGSTATE_DIR, 0755, TRUE)){
			echo "Cannot create plugstate dir '".PLUGSTATE_DIR."' - aborted\n";
			exit (2);
		}
	}
	$dir= new DirectoryIterator(PLUGSTATE_DIR);
	foreach ($dir as $entry){
		if ($dir->isDir() && !preg_match('/^\./', $dir->__toString())){
			$file= $dir->getPathName()."/plugin.dsc";
			if (parse_ini($file) == ""){
				echo "! Warning: plugin ".$dir->getPathName()." is missing declarations\n";
			}
		}
	}
}


function list_plugins()
{
	global $description, $versions;
	$count= 0;

	/* Load plugin list */
	load_plugins();

	/* Show plugins */
	foreach ($description as $name => $dsc){
		if ($count == 0){
			echo "Plugin\t\t|Version |Description\n";
			echo "----------------------------------------------------------------------------\n";
		}
		$ver= $versions[$name];
		echo "$name\t\t|$ver\t |$dsc\n";
		$count++;
	}

	/* Yell about non existing plugins... */
	if ($count == 0){
		echo "No plugins found...\n\n";
	} else {
		# Check for dependencies
		dependency_check();
		echo "\n";
	}
}


function install_plugin($file)
{
	global $description, $provides, $depends, $conflicts;

	/* Load plugin list */
	load_plugins();

	/* Load .dsc file */
	if (file_exists($file)){
		$tmp= parse_ini_file($file, TRUE);

		if (isset($tmp['gosa-plugin'])){
			$plugin= &$tmp['gosa-plugin'];
			if (isset($plugin['name'])&& isset($plugin['description'])){
				$name= $plugin['name'];
				$description= $plugin['description'];
				$depends= array();
				if (isset($plugin['depends'])){
					$depends= explode(',', preg_replace('/\s+/', '', $plugin['depends']));
				}

				/* Already installed? */
				if (isset($provides[$name])){
					echo "! Error: plugin already installed\n\n";
					exit (3);
				}

				/* Check if dependencies are fullfilled */
				foreach ($depends as $dep){
					$found= false;
					foreach ($provides as $provide => $dummy){
						if ($dep == $provide){
							$found= true;
							break;
						}
					}
					if (!$found){
						echo "! Error: plugin depends on '$dep', but this is not installed\n\n";
						exit (3);
					}
				}

				/* Check for conflicts */
				foreach ($conflicts as $conf){
					if (!in_array($conf, $provides)){
						echo "! Warning: plugin conflicts with '$conf'\n\n";
					}
				}

				/* Create plugstate directory and touch plugin.lst */
				if (!mkdir (PLUGSTATE_DIR."/$name", 0755, TRUE)){
					echo "Failed to create '".PLUGSTATE_DIR."/$name - aborted";
					exit (3);
				}
				if (!$handle= fopen(PLUGSTATE_DIR."/$name/plugin.lst", 'w')) {
					echo "Cannot open file '$filename' - aborted\n";
					exit (1);
				}

				echo "Installing plugin '$name'...\n";

				/* Copy and fill plugin.lst */
				$path= dirname($file);
				$dir= new RecursiveDirectoryIterator($path);
				$all= new RecursiveIteratorIterator($dir);
				foreach ( $all as $entry ){
					$source= $path."/".substr($entry->getPathName(), strlen($path) + 1);

					/* Skip description - it belongs to the state dir */
					if (preg_match('/\/plugin.dsc$/', $source)){
						copy ($source, PLUGSTATE_DIR."/$name/plugin.dsc");
						continue;
					}

					/* Skip well known directories */
					if (preg_match('/^\.+$/', $source) || preg_match('/\/\.svn\//', $source)) {
						continue;
					}

					/* Calculate destination */
					if (preg_match("%^.*locale/%", $source)){
						$dest= GOSA_HOME."/locale/plugins/$name/".preg_replace("%^.*locale/%", "", $source);
					} elseif (preg_match("%^.*help/%", $source)) {
						$dest= GOSA_HOME."/doc/plugins/$name/".preg_replace("%^.*help/%", "", $source);
					} elseif (preg_match("%^.*html/%", $source)) {
						$dest= GOSA_HOME."/html/plugins/$name/".preg_replace("%^.*html/%", "", $source);
					} else {
						$dest= GOSA_HOME."/plugins/".substr($entry->getPathName(), strlen($path) + 1);
					}

					/* Destination exists in case of directories? */
					if ($entry->isDir()){
						if (!is_dir($dest)){
							mkdir($dest, 0755, TRUE);
							fwrite ($handle, "$dest\n");
						}
					} else {
						if (!is_dir(dirname($dest))){
							mkdir(dirname($dest), 0755, TRUE);
							fwrite ($handle, dirname($dest)."\n");
						}
					}

					/* Copy files */
					if ($entry->isFile()){
						copy ($source, $dest);
					}

					/* Note what we did... */
					fwrite ($handle, "$dest\n");
				}

				fclose($handle);
			}
		}
	}
	
	/* Update caches */
	rescan_classes();
	rescan_i18n();
}


function remove_plugin($name)
{
	global $description, $depends;

	/* Load plugin list */
	load_plugins();

	/* Present? */
	if (!isset($description[$name])){
		echo "! Error: cannot find a plugin named '$name'\n\n";
		exit (1);
	}

	/* Depends? */
	foreach ($depends as $sname => $pl_depends){
		if (in_array($name, $pl_depends)){
			echo "! Error: plugin '$sname' depends on '$name' - cannot remove it\n\n";
			exit (1);
		}
	}

	/* Load information */
	if (!file_exists(PLUGSTATE_DIR."/$name/plugin.lst")){
		echo "! Error: cannot remove plugin '$name' - no install history found\n\n";
		exit (1);
	}

	echo "Removing plugin '$name'...\n";
	$contents= file(PLUGSTATE_DIR."/$name/plugin.lst");
	$cnv= array();
	foreach($contents as $line){
		$entry= chop($line);
		$cnv[strlen($entry).":$entry"]= $entry;
	}
	krsort($cnv);

	/* Remove files first */
	clearstatcache();
	foreach ($cnv as $entry){
		if (is_dir($entry)){
			rmdir($entry);
			continue;
		}
		if (file_exists($entry)){
			unlink($entry);
		}
	}

	/* Remove state directory for plugin */
	rmdirRecursive(PLUGSTATE_DIR."/$name");

	/* Update caches */
	rescan_classes();
	rescan_i18n();
}


function rescan_images($path, $theme)
{
  $widths= array();
  $heights= array();
  $paths= array();
  $posX= array();
  $posY= array();
  $baseLength= strlen($path);
  $heightStats= array();
  $warnings= array();
  $checksums= array();
  $styles= array();
  $duplicates= array();

  echo "Updating master image for theme '$theme'...";

  // Check for image magick convert
  if (!function_exists("imageFilter")){
    exec("which convert", $res, $ret);
    if ($ret != 0) {
      die("Your system has no bundled gd support for imageFilter function. Please install imagemagick in order to use an external command.\n");
    }
  }
  
  // Scan for images in the given path
  flush();
  foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path)) as $fileInfo) {
  
      // We're only interested in png files
      $indexPath= substr($fileInfo->getPathname(), $baseLength + 1);
      $path= $fileInfo->getPathname();
      if (preg_match('/\.png$/', $indexPath) && !preg_match('/\.svn/', $path) && !preg_match('/themes\/[^\/]+\/images\/img.png$/', $path)){
  
         // Grey image if it is not already one
         if (preg_match('/grey/', $indexPath)) {
           echo "!";
           $warnings[]= "! Warning: skipped possible *grey* image $path";
           flush();
           continue;
         }

         // New image if it is not already one
         if (preg_match('/new/', $indexPath) && !preg_match('/new\.png$/', $indexPath)) {
           echo "!";
           $warnings[]= "! Warning: skipped possible *new* image $path";
           flush();
           continue;
         }

         // Catch available themes
         if (preg_match('/themes\//', $indexPath) && !preg_match('/themes\/'.$theme.'\//', $indexPath)) {
           continue;
         }

         // Load image
         $img= imageCreateFromPng($path);
         $width= imageSX($img);
         $height= imageSY($img);
         imageDestroy($img);
         $greyIndexPath= preg_replace('/\.png$/', '-grey.png', $indexPath);

         // Is this image already there?
         $checksum= md5_file($path);
         if (in_array($checksum, $checksums)) {
           #$warnings[]= "! Warning: images $indexPath seems to be a duplicate of ".array_search($checksum, $checksums);
           $duplicates[$indexPath]= array_search($checksum, $checksums);
           $duplicates[$greyIndexPath]= preg_replace('/\.png$/', '-grey.png', array_search($checksum, $checksums));
           continue;
         } else {
           $checksums[$indexPath]= $checksum;
         }

         // Ordinary image
         $widths[$indexPath]= $width;
         $heights[$indexPath]= $height;
         $paths[$indexPath]= $path;

         // Grey image
         $widths[$greyIndexPath]= $width;
         $heights[$greyIndexPath]= $height;
         $paths[$greyIndexPath]= $path;

         // Feed height statistics
         if (!isset($heightStats[$height])) {
           $heightStats[$height]= 1;
         } else {
           $heightStats[$height]++;
         }
      }
  
    echo ".";
    flush();
  }
  echo "\n";

  // Do some stupid height calculation
  arsort($heightStats, SORT_NUMERIC);
  reset($heightStats);
  $popular= current($heightStats);

  krsort($heightStats);
  reset($heightStats);
  $max= current($heightStats);

  $maxHeight= (floor($max / $popular) + 1) * $popular * 6;
  
  // Sort to get biggest values
  arsort($widths, SORT_NUMERIC);
  reset($widths);
  echo "Calculating master image dimensions: ";
  flush();
  
  // Build container image
  $cursorX= 0;
  $cursorY= 0;
  $colWidth= 0;
  $rowHeight= 0;
  $colX= 0;
  $colY= 0;
  $maxY= 0;
  $maxX= 0;

  // Walk thru width sorted images
  foreach ($widths as $imagePath => $imageWidth) {
    $imageHeight= $heights[$imagePath];

    // First element in this column
    if ($colWidth == 0) {
      $colWidth= $imageWidth;
    }

    // First element in this row
    if ($rowHeight < $imageHeight) {
      $rowHeight= $imageHeight;
    }

    // Does the image match here?
    if ($cursorX + $imageWidth > $colX + $colWidth) {

      if ($cursorY + $imageHeight >= $maxHeight) {

        // Reached max height, move to the next column
        $colX+= $colWidth;
        $cursorX= $colX;
        $colWidth= $imageWidth;
        $rowHeight= $imageHeight;
        $colY= $cursorY= 0;

      } else {

        // Next row
        $colY+= $rowHeight;
        $cursorY= $colY;
        $cursorX= $colX;
        $rowHeight= $imageHeight;
      }

      $maxY=($colY + $imageHeight > $maxY)?$colY+$imageHeight:$maxY;
    }

    // Save calculated position
    $posX[$imagePath]= $cursorX;
    $posY[$imagePath]= $cursorY;

    // Move X cursor to the next position
    $cursorX+= $imageWidth;

    $maxX=($colX+$imageWidth > $maxX)?$colX+$imageWidth:$maxX;
  }
  
  // Print maximum dimensions
  echo $maxY."x".$maxX."\n";
  echo "Processing";
  flush();

  // Create result image
  $dst= imageCreateTrueColor($maxX, $maxY);
  imageAlphaBlending($dst, true);
  $transparent = imagecolorallocatealpha($dst, 0, 0, 0, 127);
  imageFill($dst, 0, 0, $transparent);
  imageSaveAlpha($dst, true);

  // Finally assemble picture
  foreach ($heights as $imagePath => $imageHeight) {
    $imageWidth= $widths[$imagePath];
    $x= $posX[$imagePath];
    $y= $posY[$imagePath];

    // Insert source image...

    // Eventually convert it to grey before
    if (preg_match('/-grey\.png$/', $imagePath)) {
      if (!function_exists("imageFilter")){
        exec("convert ".$paths[$imagePath]." -colorspace Gray /tmp/grey-converted.png");
        $src= imageCreateFromPng("/tmp/grey-converted.png");
      } else {
        $src= imageCreateFromPng($paths[$imagePath]);
        imageFilter($src, IMG_FILTER_GRAYSCALE);
      }
    } else {
      $src= imageCreateFromPng($paths[$imagePath]);
    }

    // Merge image
    imageCopyResampled($dst, $src, $x, $y, 0, 0, $imageWidth, $imageHeight, $imageWidth, $imageHeight);
    imageDestroy($src);

    // Store style
    $styles[$imagePath]= "background-position:-".$x."px -".$y."px;width:".$imageWidth."px;height:".$imageHeight."px";

    echo ".";
    flush();
  }

  /* Add duplicates */
  foreach ($duplicates as $imagePath => $realPath) {
    $styles[$imagePath]= $styles[$realPath];
  }

  imagePNG($dst, GOSA_HOME."/html/themes/$theme/images/img.png", 9);
  imageDestroy($dst);

  // Show warnings images
  foreach ($warnings as $warn) {
    echo "$warn\n";
  }

  // Write styles
  echo "Writing styles...";
  $fp = fopen(GOSA_HOME."/ihtml/themes/$theme/img.styles", 'w');
  fwrite($fp, serialize($styles));
  fclose($fp);

  echo "\n";
}


/* Fill global values */
$description= $provides= $depends= $versions= $conflicts= array();

/* Action specified? */
if ($argc < 2){
	rescan_classes();
	rescan_i18n();
    foreach (get_themes() as $theme) {
      rescan_images(GOSA_HOME."/html", $theme);
    }
    exit (0);
}

switch ($argv[1]){
        case 'install':
                if (isset($argv[2])){
			install_plugin($argv[2]);
		} else {
			echo "Usage: update-gosa install dsc-file\n\n";
			exit (1);
		}
                break;
        case 'list':
                list_plugins();
                break;
        case 'remove':
                if (isset($argv[2])){
			remove_plugin($argv[2]);
		} else {
			echo "Usage: update-gosa remove plugin-name\n\n";
			exit (1);
		}
                break;
        case 'rescan-i18n':
                rescan_i18n();
                break;
        case 'rescan-classes':
                rescan_classes();
                break;
        case 'rescan-images':
                foreach (get_themes() as $theme) {
                  rescan_images("html", $theme);
                }
                break;
        default:
                echo "Error: Supplied command not known\n\n";
                print_usage();
                break;
}


?>