From ebd0e986ed11f2a34fb58cdd33efbfab192083ad Mon Sep 17 00:00:00 2001
From: Till Brehm <tbrehm@ispconfig.org>
Date: Fri, 22 Apr 2016 05:26:17 -0400
Subject: [PATCH] Added PHP 7 check in installer and updater.

---
 install/lib/install.lib.php | 1210 +++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 873 insertions(+), 337 deletions(-)

diff --git a/install/lib/install.lib.php b/install/lib/install.lib.php
index 9dc0686..f17b982 100644
--- a/install/lib/install.lib.php
+++ b/install/lib/install.lib.php
@@ -7,14 +7,14 @@
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:
 
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-    * Neither the name of ISPConfig nor the names of its contributors
-      may be used to endorse or promote products derived from this software without
-      specific prior written permission.
+		* Redistributions of source code must retain the above copyright notice,
+			this list of conditions and the following disclaimer.
+		* Redistributions in binary form must reproduce the above copyright notice,
+			this list of conditions and the following disclaimer in the documentation
+			and/or other materials provided with the distribution.
+		* Neither the name of ISPConfig nor the names of its contributors
+			may be used to endorse or promote products derived from this software without
+			specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -30,338 +30,13 @@
 
 /*
 	This function returns a string that describes the installed
-	linux distribution. e.g. debian40 for Debian Linux 4.0
-
+	Linux distribution. e.g. debian40 for Debian GNU/Linux 4.0
 */
 
-function get_distname() {
-	
-	$distname = 'debian40';
-	
-	return $distname;
-}
-
-function sread() {
-    $fp=fopen("/dev/stdin", "r");
-    $input=fgets($fp, 255);
-    fclose($fp);
-
-    return rtrim($input);
-}
-
-function swrite($text) {
-	echo $text;
-}
-
-function swriteln($text) {
-	echo $text."\n";
-}
-
-$FILE = realpath("../install.php");
-
-function ilog($msg){
-  $logfile = "/var/log/ispconfig_install.log";
-  exec("echo `date` \"- [ISPConfig] - \"".$msg." >> ".$logfile);
-}
-
-function error($msg){
-  ilog($msg);
-  die($msg."\n");
-}
-
-function caselog($command, $file = '', $line = '', $success = '', $failure = ''){
-  exec($command,$arr,$ret_val);
-  $arr = NULL;
-  if(!empty($file) && !empty($line)){
-    $pre = $file.", Line ".$line.": ";
-  } else {
-    $pre = "";
-  }
-  if($ret_val != 0){
-    if($failure == "") $failure = "could not ".$command;
-    ilog($pre."WARNING: ".$failure);
-  } else {
-    if($success == "") $success = $command;
-    ilog($pre.$success);
-  }
-}
-
-function phpcaselog($ret_val, $msg, $file = '', $line = ''){
-  if(!empty($file) && !empty($line)){
-    $pre = $file.", Line ".$line.": ";
-  } else {
-    $pre = "";
-  }
-  if($ret_val == true){
-    ilog($pre.$msg);
-  } else {
-    ilog($pre."WARNING: could not ".$msg);
-  }
-  return $ret_val;
-}
-
-function mkdirs($strPath, $mode = '0755'){
-  if(isset($strPath) && $strPath != ""){
-    // Verzeichnisse rekursiv erzeugen
-    if(is_dir($strPath)) return true;
-    $pStrPath = dirname($strPath);
-    if(!mkdirs($pStrPath, $mode)) return false;
-    $old_umask = umask(0);
-    $ret_val = mkdir($strPath, octdec($mode));
-    umask($old_umask);
-    return $ret_val;
-  } else {
-    return false;
-  }
-}
-
-function rf($file){
-  clearstatcache();
-  if(!$fp = fopen ($file, "rb")) ilog("WARNING: could not open file ".$file);
-  if(filesize($file) > 0){
-    $content = fread($fp, filesize($file));
-  } else {
-    $content = "";
-  }
-  fclose($fp);
-  return $content;
-}
-
-function wf($file, $content){
-  mkdirs(dirname($file));
-  if(!$fp = fopen ($file, "wb")) ilog("WARNING: could not open file ".$file);
-  fwrite($fp,$content);
-  fclose($fp);
-}
-
-function af($file, $content){
-  mkdirs(dirname($file));
-  if(!$fp = fopen ($file, "ab")) ilog("WARNING: could not open file ".$file);
-  fwrite($fp,$content);
-  fclose($fp);
-}
-
-function aftsl($file, $content){
-  if(!$fp = fopen ($file, "ab")) ilog("WARNING: could not open file ".$file);
-  fwrite($fp,$content);
-  fclose($fp);
-}
-
-function unix_nl($input){
-  $output = str_replace("\r\n", "\n", $input);
-  $output = str_replace("\r", "\n", $output);
-  return $output;
-}
-
-function remove_blank_lines($input, $file = 1){
-  //Leerzeilen l�schen
-  if($file){
-    $content = unix_nl(rf($input));
-  } else {
-    $content = $input;
-  }
-  $lines = explode("\n", $content);
-  if(!empty($lines)){
-    foreach($lines as $line){
-      if(trim($line) != "") $new_lines[] = $line;
-    }
-  }
-  if(is_array($new_lines)){
-    $content = implode("\n", $new_lines);
-  } else {
-    $content = "";
-  }
-  if($file){
-    wf($input, $content);
-  } else {
-    return $content;
-  }
-}
-
-function no_comments($file, $comment = '#'){
-  $content = unix_nl(rf($file));
-  $lines = explode("\n", $content);
-  if(!empty($lines)){
-    foreach($lines as $line){
-      if(strstr($line, $comment)){
-        $pos = strpos($line, $comment);
-        if($pos != 0){
-          $new_lines[] = substr($line,0,$pos);
-        } else {
-          $new_lines[] = "";
-        }
-      } else {
-        $new_lines[] = $line;
-      }
-    }
-  }
-  if(is_array($new_lines)){
-    $content_without_comments = implode("\n", $new_lines);
-    $new_lines = NULL;
-    return $content_without_comments;
-  } else {
-    return "";
-  }
-}
-
-function find_includes($file){
-  global $httpd_root;
-  clearstatcache();
-  if(is_file($file) && filesize($file) > 0){
-    $includes[] = $file;
-    $inhalt = unix_nl(no_comments($file));
-    $lines = explode("\n", $inhalt);
-    if(!empty($lines)){
-      foreach($lines as $line){
-        if(stristr($line, "include ")){
-          $include_file = str_replace("\n", "", trim(shell_exec("echo \"$line\" | awk '{print \$2}'")));
-          if(substr($include_file,0,1) != "/"){
-            $include_file = $httpd_root."/".$include_file;
-          }
-          if(is_file($include_file)){
-            if($further_includes = find_includes($include_file)){
-              $includes = array_merge($includes, $further_includes);
-            }
-          } else {
-            if(strstr($include_file, "*")){
-              $more_files = explode("\n", shell_exec("ls -l $include_file | awk '{print \$9}'"));
-              if(!empty($more_files)){
-                foreach($more_files as $more_file){
-                  if(is_file($more_file)){
-                    if($further_includes = find_includes($more_file)){
-                      $includes = array_merge($includes, $further_includes);
-                    }
-                  }
-                }
-              }
-              unset($more_files);
-              $more_files = explode("\n", shell_exec("ls -l $include_file | awk '{print \$10}'"));
-              if(!empty($more_files)){
-                foreach($more_files as $more_file){
-                  if(is_file($more_file)){
-                    if($further_includes = find_includes($more_file)){
-                      $includes = array_merge($includes, $further_includes);
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-  if(is_array($includes)){
-    $includes = array_unique($includes);
-    return $includes;
-  } else {
-    return false;
-  }
-}
-
-function comment_out($file, $string){
-  $inhalt = no_comments($file);
-  $gesamt_inhalt = rf($file);
-  $modules = explode(",",$string);
-  foreach($modules as $val){
-    $val = trim($val);
-    if(strstr($inhalt, $val)){
-      $gesamt_inhalt = str_replace($val, "##ISPConfig INSTALL## ".$val, $gesamt_inhalt);
-    }
-  }
-  wf($file, $gesamt_inhalt);
-}
-
-function is_word($string, $text, $params = ''){
-  // params: i
-  if(preg_match("/\b$string\b/$params", $text)) {
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function grep($content, $string, $params = ''){
-  // params: i, v, w
-  $content = unix_nl($content);
-  $lines = explode("\n", $content);
-  foreach($lines as $line){
-    if(!strstr($params, 'w')){
-      if(strstr($params, 'i')){
-        if(strstr($params, 'v')){
-          if(!stristr($line, $string)) $find[] = $line;
-        } else {
-          if(stristr($line, $string)) $find[] = $line;
-        }
-      } else {
-        if(strstr($params, 'v')){
-          if(!strstr($line, $string)) $find[] = $line;
-        } else {
-          if(strstr($line, $string)) $find[] = $line;
-        }
-      }
-    } else {
-      if(strstr($params, 'i')){
-        if(strstr($params, 'v')){
-          if(!is_word($string, $line, 'i')) $find[] = $line;
-        } else {
-          if(is_word($string, $line, 'i')) $find[] = $line;
-        }
-      } else {
-        if(strstr($params, 'v')){
-          if(!is_word($string, $line)) $find[] = $line;
-        } else {
-          if(is_word($string, $line)) $find[] = $line;
-        }
-      }
-    }
-  }
-  if(is_array($find)){
-    $ret_val = implode("\n", $find);
-    if(substr($ret_val,-1) != "\n") $ret_val .= "\n";
-    $find = NULL;
-    return $ret_val;
-  } else {
-    return false;
-  }
-}
-
-function edit_xinetd_conf($service){
-  $xinetd_conf = "/etc/xinetd.conf";
-  $contents = unix_nl(rf($xinetd_conf));
-  $lines = explode("\n", $contents);
-  $j = sizeof($lines);
-  for($i=0;$i<sizeof($lines);$i++){
-    if(grep($lines[$i], $service, "w")){
-      $fundstelle_anfang = $i;
-      $j = $i;
-      $parts = explode($lines[$i], $contents);
-    }
-    if($j < sizeof($lines)){
-      if(strstr($lines[$i], "}")){
-        $fundstelle_ende = $i;
-        $j = sizeof($lines);
-      }
-    }
-  }
-  if(isset($fundstelle_anfang) && isset($fundstelle_ende)){
-    for($i=$fundstelle_anfang;$i<=$fundstelle_ende;$i++){
-      if(strstr($lines[$i], "disable")){
-        $disable = explode("=", $lines[$i]);
-        $disable[1] = " yes";
-        $lines[$i] = implode("=", $disable);
-      }
-    }
-  }
-  $fundstelle_anfang = NULL;
-  $fundstelle_ende = NULL;
-  $contents = implode("\n", $lines);
-  wf($xinetd_conf, $contents);
-}
 
 
 /*
-
+Comments to completion forever ;-)
 commandline arguments
 $argv[1]
 
@@ -372,10 +47,871 @@
 {
 echo "Argument $i : $argv[$i] \n";
 }
-?> 
+?>
 
 */
+error_reporting(E_ALL|E_STRICT);
 
 
+$FILE = realpath('../install.php');
 
-?>
\ No newline at end of file
+//** Get distribution identifier
+//** IMPORTANT!
+//   This is the same code as in server/lib/classes/monitor_tools.inc.php
+//   So if you change it here, you also have to change it in there!
+function get_distname() {
+
+	$distname = '';
+	$distver = '';
+	$distid = '';
+	$distbaseid = '';
+
+	//** Debian or Ubuntu
+	if(file_exists('/etc/debian_version')) {
+		if (strstr(trim(file_get_contents('/etc/issue')), 'Ubuntu')) {
+			if (strstr(trim(file_get_contents('/etc/issue')), 'LTS')) {
+				$lts=" LTS";
+			} else {
+				$lts="";
+			}
+
+			$issue=file_get_contents('/etc/issue');
+			$distname = 'Ubuntu';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			$ver = explode(' ', $issue);
+			$ver = array_filter($ver);
+			$ver = next($ver);
+			$mainver = explode('.', $ver);
+			$mainver = array_filter($mainver);
+			$mainver = current($mainver).'.'.next($mainver);
+			switch ($mainver){
+			case "15.04":
+				$relname = "(Vivid Vervet)";
+				break;
+			case "14.10":
+				$relname = "(Utopic Unicorn)";
+				break;
+			case "14.04":
+				$relname = "(Trusty Tahr)";
+				break;
+			case "13.10":
+				$relname = "(Saucy Salamander)";
+				break;
+			case "13.04":
+				$relname = "(Raring Ringtail)";
+				break;
+			case "12.10":
+				$relname = "(Quantal Quetzal)";
+				break;
+			case "12.04":
+				$relname = "(Precise Pangolin)";
+				break;
+			case "11.10":
+				$relname = "(Oneiric Ocelot)";
+				break;
+			case "11.14":
+				$relname = "(Natty Narwhal)";
+				break;
+			case "10.10":
+				$relname = "(Maverick Meerkat)";
+				break;
+			case "10.04":
+				$relname = "(Lucid Lynx)";
+				break;
+			case "9.10":
+				$relname = "(Karmic Koala)";
+				break;
+			case "9.04":
+				$relname = "(Jaunty Jackpole)";
+				break;
+			case "8.10":
+				$relname = "(Intrepid Ibex)";
+				break;
+			case "8.04":
+				$relname = "(Hardy Heron)";
+				break;
+			case "7.10":
+				$relname = "(Gutsy Gibbon)";
+				break;
+			case "7.04":
+				$relname = "(Feisty Fawn)";
+				break;
+			case "6.10":
+				$relname = "(Edgy Eft)";
+				break;
+			case "6.06":
+				$relname = "(Dapper Drake)";
+				break;
+			case "5.10":
+				$relname = "(Breezy Badger)";
+				break;
+			case "5.04":
+				$relname = "(Hoary Hedgehog)";
+				break;
+			case "4.10":
+				$relname = "(Warty Warthog)";
+				break;
+			default:
+				$relname = "UNKNOWN";
+			}
+			$distver = $ver.$lts." ".$relname;
+			swriteln("Operating System: ".$distver."\n");
+		} elseif(trim(file_get_contents('/etc/debian_version')) == '4.0') {
+			$distname = 'Debian';
+			$distver = '4.0';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 4.0 or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '5.0')) {
+			$distname = 'Debian';
+			$distver = 'Lenny';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian Lenny or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '6.0') || trim(file_get_contents('/etc/debian_version')) == 'squeeze/sid') {
+			$distname = 'Debian';
+			$distver = 'Squeeze/Sid';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 6.0 (Squeeze/Sid) or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '7.0') || substr(trim(file_get_contents('/etc/debian_version')),0,2) == '7.' || trim(file_get_contents('/etc/debian_version')) == 'wheezy/sid') {
+			$distname = 'Debian';
+			$distver = 'Wheezy/Sid';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 7.0 (Wheezy/Sid) or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '8') || substr(trim(file_get_contents('/etc/debian_version')),0,1) == '8') {
+			$distname = 'Debian';
+			$distver = 'Jessie';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 8.0 (Jessie) or compatible\n");
+		} else {
+			$distname = 'Debian';
+			$distver = 'Unknown';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian or compatible, unknown version.\n");
+		}
+	}
+
+	//** OpenSuSE
+	elseif(file_exists('/etc/SuSE-release')) {
+		if(stristr(file_get_contents('/etc/SuSE-release'), '11.0')) {
+			$distname = 'openSUSE';
+			$distver = '11.0';
+			$distid = 'opensuse110';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.0 or compatible\n");
+		} elseif(stristr(file_get_contents('/etc/SuSE-release'), '11.1')) {
+			$distname = 'openSUSE';
+			$distver = '11.1';
+			$distid = 'opensuse110';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.1 or compatible\n");
+		} elseif(stristr(file_get_contents('/etc/SuSE-release'), '11.2')) {
+			$distname = 'openSUSE';
+			$distver = '11.2';
+			$distid = 'opensuse112';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.2 or compatible\n");
+		}  else {
+			$distname = 'openSUSE';
+			$distver = 'Unknown';
+			$distid = 'opensuse112';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE or compatible, unknown version.\n");
+		}
+	}
+
+
+	//** Redhat
+	elseif(file_exists('/etc/redhat-release')) {
+
+		$content = file_get_contents('/etc/redhat-release');
+
+		if(stristr($content, 'Fedora release 9 (Sulphur)')) {
+			$distname = 'Fedora';
+			$distver = '9';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 9 or compatible\n");
+		} elseif(stristr($content, 'Fedora release 10 (Cambridge)')) {
+			$distname = 'Fedora';
+			$distver = '10';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 10 or compatible\n");
+		} elseif(stristr($content, 'Fedora release 10')) {
+			$distname = 'Fedora';
+			$distver = '11';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 11 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5.2 (Final)')) {
+			$distname = 'CentOS';
+			$distver = '5.2';
+			$distid = 'centos52';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5.2 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5.3 (Final)')) {
+			$distname = 'CentOS';
+			$distver = '5.3';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5.3 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5 or compatible\n");
+		} elseif(stristr($content, 'CentOS Linux release 6')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 6 or compatible\n");
+		} elseif(stristr($content, 'CentOS Linux release 7')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos70';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 7 or compatible\n");
+		} else {
+			$distname = 'Redhat';
+			$distver = 'Unknown';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Redhat or compatible, unknown version.\n");
+		}
+	}
+
+	//** Gentoo
+	elseif(file_exists('/etc/gentoo-release')) {
+
+		$content = file_get_contents('/etc/gentoo-release');
+
+		preg_match_all('/([0-9]{1,2})/', $content, $version);
+		$distname = 'Gentoo';
+		$distver = $version[0][0].$version[0][1];
+		$distid = 'gentoo';
+		$distbaseid = 'gentoo';
+		swriteln("Operating System: Gentoo $distver or compatible\n");
+
+	} else {
+		die('Unrecognized GNU/Linux distribution');
+	}
+
+	return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'baseid' => $distbaseid);
+}
+
+function sread() {
+	$input = fgets(STDIN);
+	return rtrim($input);
+}
+
+function swrite($text = '') {
+	echo $text;
+}
+
+function swriteln($text = '') {
+	echo $text."\n";
+}
+
+function ilog($msg){
+	exec("echo `date` \"- [ISPConfig] - \"".$msg.' >> '.ISPC_LOG_FILE);
+}
+
+function error($msg){
+	ilog($msg);
+	die($msg."\n");
+}
+
+function caselog($command, $file = '', $line = '', $success = '', $failure = ''){
+	exec($command, $arr, $ret_val);
+	$arr = NULL;
+	if(!empty($file) && !empty($line)){
+		$pre = $file.', Line '.$line.': ';
+	} else {
+		$pre = '';
+	}
+	if($ret_val != 0){
+		if($failure == '') $failure = 'could not '.$command;
+		ilog($pre.'WARNING: '.$failure);
+	} else {
+		if($success == '') $success = $command;
+		ilog($pre.$success);
+	}
+}
+
+function phpcaselog($ret_val, $msg, $file = '', $line = ''){
+	if(!empty($file) && !empty($line)){
+		$pre = $file.', Line '.$line.': ';
+	} else {
+		$pre = '';
+	}
+	if($ret_val == true){
+		ilog($pre.$msg);
+	} else {
+		ilog($pre.'WARNING: could not '.$msg);
+	}
+	return $ret_val;
+}
+
+function mkdirs($strPath, $mode = '0755'){
+	if(isset($strPath) && $strPath != ''){
+		//* Verzeichnisse rekursiv erzeugen
+		if(is_dir($strPath)){
+			return true;
+		}
+		$pStrPath = dirname($strPath);
+		if(!mkdirs($pStrPath, $mode)){
+			return false;
+		}
+		$old_umask = umask(0);
+		$ret_val = mkdir($strPath, octdec($mode));
+		umask($old_umask);
+		return $ret_val;
+	}
+	return false;
+}
+
+function rfsel($file, $file2) {
+	clearstatcache();
+	if(is_file($file)) return rf($file);
+	else return rf($file2);
+}
+
+function rf($file){
+	clearstatcache();
+	if(is_file($file)) {
+		if(!$fp = fopen($file, 'rb')){
+			ilog('WARNING: could not open file '.$file);
+		}
+		return filesize($file) > 0 ? fread($fp, filesize($file)) : '';
+	} else {
+		return '';
+	}
+}
+
+function wf($file, $content){
+	mkdirs(dirname($file));
+	if(!$fp = fopen($file, 'wb')){
+		ilog('WARNING: could not open file '.$file);
+	}
+	fwrite($fp, $content);
+	fclose($fp);
+}
+
+function af($file, $content){
+	mkdirs(dirname($file));
+	if(!$fp = fopen($file, 'ab')){
+		ilog('WARNING: could not open file '.$file);
+	}
+	fwrite($fp, $content);
+	fclose($fp);
+}
+
+function aftsl($file, $content){
+	if(!$fp = fopen($file, 'ab')){
+		ilog('WARNING: could not open file '.$file);
+	}
+	fwrite($fp, $content);
+	fclose($fp);
+}
+
+function unix_nl($input){
+	$output = str_replace("\r\n", "\n", $input);
+	$output = str_replace("\r", "\n", $output);
+	return $output;
+}
+
+function remove_blank_lines($input, $file = 1){
+	//TODO ? Leerzeilen l�schen
+	if($file){
+		$content = unix_nl(rf($input)); // WTF -pedro !
+	}else{
+		$content = $input;
+	}
+	$lines = explode("\n", $content);
+	if(!empty($lines)){
+		foreach($lines as $line){
+			if(trim($line) != '') $new_lines[] = $line;
+		}
+	}
+	if(is_array($new_lines)){
+		$content = implode("\n", $new_lines);
+	} else {
+		$content = '';
+	}
+	if($file){
+		wf($input, $content);
+	}else{
+		return $content;
+	}
+}
+
+function no_comments($file, $comment = '#'){
+	$content = unix_nl(rf($file));
+	$lines = explode("\n", $content);
+	if(!empty($lines)){
+		foreach($lines as $line){
+			if(strstr($line, $comment)){
+				$pos = strpos($line, $comment);
+				if($pos != 0){
+					$new_lines[] = substr($line, 0, $pos);
+				}else{
+					$new_lines[] = '';
+				}
+			}else{
+				$new_lines[] = $line;
+			}
+		}
+	}
+	if(is_array($new_lines)){
+		$content_without_comments = implode("\n", $new_lines);
+		$new_lines = NULL;
+		return $content_without_comments;
+	} else {
+		return '';
+	}
+}
+
+function comment_out($file, $string){
+	$inhalt = no_comments($file);
+	$gesamt_inhalt = rf($file);
+	$modules = explode(',', $string);
+	foreach($modules as $val){
+		$val = trim($val);
+		if(strstr($inhalt, $val)){
+			$gesamt_inhalt = str_replace($val, '##ISPConfig INSTALL## '.$val, $gesamt_inhalt);
+		}
+	}
+	wf($file, $gesamt_inhalt);
+}
+
+function is_word($string, $text, $params = ''){
+	//* params: i ??
+	return preg_match("/\b$string\b/$params", $text);
+	/*
+	if(preg_match("/\b$string\b/$params", $text)) {
+		return true;
+	} else {
+		return false;
+	}
+	*/
+}
+
+function grep($content, $string, $params = ''){
+	// params: i, v, w
+	$content = unix_nl($content);
+	$lines = explode("\n", $content);
+	foreach($lines as $line){
+		if(!strstr($params, 'w')){
+			if(strstr($params, 'i')){
+				if(strstr($params, 'v')){
+					if(!stristr($line, $string)) $find[] = $line;
+				} else {
+					if(stristr($line, $string)) $find[] = $line;
+				}
+			} else {
+				if(strstr($params, 'v')){
+					if(!strstr($line, $string)) $find[] = $line;
+				} else {
+					if(strstr($line, $string)) $find[] = $line;
+				}
+			}
+		} else {
+			if(strstr($params, 'i')){
+				if(strstr($params, 'v')){
+					if(!is_word($string, $line, 'i')) $find[] = $line;
+				} else {
+					if(is_word($string, $line, 'i')) $find[] = $line;
+				}
+			} else {
+				if(strstr($params, 'v')){
+					if(!is_word($string, $line)) $find[] = $line;
+				} else {
+					if(is_word($string, $line)) $find[] = $line;
+				}
+			}
+		}
+	}
+	if(is_array($find)){
+		$ret_val = implode("\n", $find);
+		if(substr($ret_val, -1) != "\n") $ret_val .= "\n";
+		$find = NULL;
+		return $ret_val;
+	} else {
+		return false;
+	}
+}
+
+function edit_xinetd_conf($service){
+	$xinetd_conf = '/etc/xinetd.conf';
+	$contents = unix_nl(rf($xinetd_conf));
+	$lines = explode("\n", $contents);
+	$j = sizeof($lines);
+	for($i=0;$i<sizeof($lines);$i++){
+		if(grep($lines[$i], $service, 'w')){
+			$fundstelle_anfang = $i;
+			$j = $i;
+			$parts = explode($lines[$i], $contents);
+		}
+		if($j < sizeof($lines)){
+			if(strstr($lines[$i], '}')){
+				$fundstelle_ende = $i;
+				$j = sizeof($lines);
+			}
+		}
+	}
+	if(isset($fundstelle_anfang) && isset($fundstelle_ende)){
+		for($i=$fundstelle_anfang;$i<=$fundstelle_ende;$i++){
+			if(strstr($lines[$i], 'disable')){
+				$disable = explode('=', $lines[$i]);
+				$disable[1] = ' yes';
+				$lines[$i] = implode('=', $disable);
+			}
+		}
+	}
+	$fundstelle_anfang = NULL;
+	$fundstelle_ende = NULL;
+	$contents = implode("\n", $lines);
+	wf($xinetd_conf, $contents);
+}
+
+//* Converts a ini string to array
+function ini_to_array($ini) {
+	$config = '';
+	$ini = str_replace("\r\n", "\n", $ini);
+	$lines = explode("\n", $ini);
+	foreach($lines as $line) {
+		$line = trim($line);
+		if($line != '') {
+			if(preg_match("/^\[([\w\d_]+)\]$/", $line, $matches)) {
+				$section = strtolower($matches[1]);
+			} elseif(preg_match("/^([\w\d_]+)=(.*)$/", $line, $matches) && $section != null) {
+				$item = trim($matches[1]);
+				$config[$section][$item] = trim($matches[2]);
+			}
+		}
+	}
+	return $config;
+}
+
+
+//* Converts a config array to a string
+function array_to_ini($config_array = '') {
+	if($config_array == '') $config_array = $this->config;
+	$content = '';
+	foreach($config_array as $section => $data) {
+		$content .= "[$section]\n";
+		foreach($data as $item => $value) {
+			if($item != ''){
+				$content .= "$item=$value\n";
+			}
+		}
+		$content .= "\n";
+	}
+	return $content;
+}
+
+function is_user($user){
+	global $mod;
+	$user_datei = '/etc/passwd';
+	$users = no_comments($user_datei);
+	$lines = explode("\n", $users);
+	if(is_array($lines)){
+		foreach($lines as $line){
+			if(trim($line) != ''){
+				list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(':', $line);
+				if($f1 == $user) return true;
+			}
+		}
+	}
+	return false;
+}
+
+function is_group($group){
+	global $mod;
+	$group_datei = '/etc/group';
+	$groups = no_comments($group_datei);
+	$lines = explode("\n", $groups);
+	if(is_array($lines)){
+		foreach($lines as $line){
+			if(trim($line) != ''){
+				list($f1, $f2, $f3, $f4) = explode(':', $line);
+				if($f1 == $group) return true;
+			}
+		}
+	}
+	return false;
+}
+
+function replaceLine($filename, $search_pattern, $new_line, $strict = 0, $append = 1) {
+	if($lines = @file($filename)) {
+		$out = '';
+		$found = 0;
+		foreach($lines as $line) {
+			if($strict == 0) {
+				if(stristr($line, $search_pattern)) {
+					$out .= $new_line."\n";
+					$found = 1;
+				} else {
+					$out .= $line;
+				}
+			} else {
+				if(trim($line) == $search_pattern) {
+					$out .= $new_line."\n";
+					$found = 1;
+				} else {
+					$out .= $line;
+				}
+			}
+			if (!$found) {
+				if (trim($line) == $new_line) {
+					$found = 1;
+				}
+			}
+		}
+		if($found == 0) {
+			//* add \n if the last line does not end with \n or \r
+			if(substr($out, -1) != "\n" && substr($out, -1) != "\r") $out .= "\n";
+			//* add the new line at the end of the file
+			if($append == 1) $out .= $new_line."\n";
+		}
+		file_put_contents($filename, $out);
+	}
+}
+
+function removeLine($filename, $search_pattern, $strict = 0) {
+	if($lines = @file($filename)) {
+		$out = '';
+		foreach($lines as $line) {
+			if($strict == 0) {
+				if(!stristr($line, $search_pattern)) {
+					$out .= $line;
+				}
+			} else {
+				if(!trim($line) == $search_pattern) {
+					$out .= $line;
+				}
+			}
+		}
+		file_put_contents($filename, $out);
+	}
+}
+
+function hasLine($filename, $search_pattern, $strict = 0) {
+	if($lines = @file($filename)) {
+		foreach($lines as $line) {
+			if($strict == 0) {
+				if(stristr($line, $search_pattern)) {
+					return true;
+				}
+			} else {
+				if(trim($line) == $search_pattern) {
+					return true;
+				}
+			}
+		}
+	}
+	return false;
+}
+
+function is_installed($appname) {
+	exec('which '.escapeshellcmd($appname).' 2> /dev/null', $out, $returncode);
+	if(isset($out[0]) && stristr($out[0], $appname) && $returncode == 0) {
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/*
+* Get the port number of the ISPConfig controlpanel vhost
+*/
+
+function get_ispconfig_port_number() {
+	global $conf;
+	if($conf['nginx']['installed'] == true){
+		$ispconfig_vhost_file = $conf['nginx']['vhost_conf_dir'].'/ispconfig.vhost';
+		$regex = '/listen (\d+)/';
+	} else {
+		$ispconfig_vhost_file = $conf['apache']['vhost_conf_dir'].'/ispconfig.vhost';
+		$regex = '/\<VirtualHost.*\:(\d{1,})\>/';
+	}
+
+	if(is_file($ispconfig_vhost_file)) {
+		$tmp = file_get_contents($ispconfig_vhost_file);
+		preg_match($regex, $tmp, $matches);
+		$port_number = @intval($matches[1]);
+		if($port_number > 0) {
+			return $port_number;
+		} else {
+			return '8080';
+		}
+	}
+}
+
+/*
+* Get the port number of the ISPConfig apps vhost
+*/
+
+function get_apps_vhost_port_number() {
+	global $conf;
+	if($conf['nginx']['installed'] == true){
+		$ispconfig_vhost_file = $conf['nginx']['vhost_conf_dir'].'/apps.vhost';
+		$regex = '/listen (\d+)/';
+	} else {
+		$ispconfig_vhost_file = $conf['apache']['vhost_conf_dir'].'/apps.vhost';
+		$regex = '/\<VirtualHost.*\:(\d{1,})\>/';
+	}
+
+	if(is_file($ispconfig_vhost_file)) {
+		$tmp = file_get_contents($ispconfig_vhost_file);
+		preg_match($regex, $tmp, $matches);
+		$port_number = @intval($matches[1]);
+		if($port_number > 0) {
+			return $port_number;
+		} else {
+			return '8081';
+		}
+	}
+}
+
+/*
+* Get the port number of the ISPConfig controlpanel vhost
+*/
+
+function is_ispconfig_ssl_enabled() {
+	global $conf;
+	$ispconfig_vhost_file = $conf['apache']['vhost_conf_dir'].'/ispconfig.vhost';
+
+	if(is_file($ispconfig_vhost_file)) {
+		$tmp = file_get_contents($ispconfig_vhost_file);
+		if(stristr($tmp, 'SSLCertificateFile')) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+
+/**
+ Function to find the hash file for timezone detection
+ (c) 2012 Marius Cramer, pixcept KG, m.cramer@pixcept.de
+ */
+
+
+function find_hash_file($hash, $dir, $basedir = '') {
+	$res = opendir($dir);
+	if(!$res) return false;
+
+	if(substr($basedir, -1) === '/') $basedir = substr($basedir, 0, strlen($basedir) - 1);
+	if(substr($dir, -1) === '/') $dir = substr($dir, 0, strlen($dir) - 1);
+	if($basedir === '') $basedir = $dir;
+
+	while($cur = readdir($res)) {
+		if($cur == '.' || $cur == '..') continue;
+		$entry = $dir.'/'.$cur;
+		if(is_dir($entry)) {
+			$result = find_hash_file($hash, $entry, $basedir);
+			if($result !== false) return $result;
+		} elseif(md5_file($entry) === $hash) {
+			$entry = substr($entry, strlen($basedir) + 1);
+			if(substr($entry, 0, 7) === '/posix/') $entry = substr($entry, 7);
+			return $entry;
+		}
+	}
+	closedir($res);
+	return false;
+}
+
+
+/**
+ Function to get the timezone of the Linux system
+ (c) 2012 Marius Cramer, pixcept KG, m.cramer@pixcept.de
+ */
+function get_system_timezone() {
+	$timezone = false;
+	if(file_exists('/etc/timezone') && is_readable('/etc/timezone')) {
+		$timezone = trim(file_get_contents('/etc/timezone'));
+		if(file_exists('/usr/share/zoneinfo/' . $timezone) == false) $timezone = false;
+	}
+
+	if(!$timezone && is_link('/etc/localtime')) {
+		$timezone = readlink('/etc/localtime');
+		$timezone = str_replace('/usr/share/zoneinfo/', '', $timezone);
+		$timezone = str_replace('..', '', $timezone);
+		if(substr($timezone, 0, 6) === 'posix/') $timezone = substr($timezone, 6);
+	} elseif(!$timezone) {
+		$hash = md5_file('/etc/localtime');
+		$timezone = find_hash_file($hash, '/usr/share/zoneinfo');
+	}
+
+	if(!$timezone) {
+		exec('date +%Z', $tzinfo);
+		$timezone = $tzinfo[0];
+	}
+	
+	if(substr($timezone, 0, 1) === '/') $timezone = substr($timezone, 1);
+
+	return $timezone;
+}
+
+function getapacheversion($get_minor = false) {
+	global $app;
+	
+	$cmd = '';
+	if(is_installed('apache2ctl')) $cmd = 'apache2ctl -v';
+	elseif(is_installed('apachectl')) $cmd = 'apachectl -v';
+	else {
+		ilog("Could not check apache version, apachectl not found.");
+		return '2.2';
+	}
+	
+	exec($cmd, $output, $return_var);
+	if($return_var != 0 || !$output[0]) {
+		ilog("Could not check apache version, apachectl did not return any data.");
+		return '2.2';
+	}
+	
+	if(preg_match('/version:\s*Apache\/(\d+)(\.(\d+)(\.(\d+))*)?(\D|$)/i', $output[0], $matches)) {
+		return $matches[1] . (isset($matches[3]) ? '.' . $matches[3] : '') . (isset($matches[5]) && $get_minor == true ? '.' . $matches[5] : '');
+	} else {
+		ilog("Could not check apache version, did not find version string in apachectl output.");
+		return '2.2';
+	}
+}
+
+function getapachemodules() {
+	global $app;
+	
+	$cmd = '';
+	if(is_installed('apache2ctl')) $cmd = 'apache2ctl -t -D DUMP_MODULES';
+	elseif(is_installed('apachectl')) $cmd = 'apachectl -t -D DUMP_MODULES';
+	else {
+		ilog("Could not check apache modules, apachectl not found.");
+		return array();
+	}
+	
+	exec($cmd . ' 2>/dev/null', $output, $return_var);
+	if($return_var != 0 || !$output[0]) {
+		ilog("Could not check apache modules, apachectl did not return any data.");
+		return array();
+	}
+	
+	$modules = array();
+	for($i = 0; $i < count($output); $i++) {
+		if(preg_match('/^\s*(\w+)\s+\((shared|static)\)\s*$/', $output[$i], $matches)) {
+			$modules[] = $matches[1];
+		}
+	}
+	
+	return $modules;
+}
+
+?>

--
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