<?php
/*
$Id$

  This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
  Copyright (C) 2003  Roland Gruber

  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

	
	Config supplies access to the configuration data.

*/

// sets language settings for automatic translation
function setlanguage() {
	if ($_SESSION['language']) {
		$language = explode(":", $_SESSION['language']);
		putenv("LANG=" . $language[1]);
		setlocale(LC_ALL, $language[0]);
		$locdir = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/locale";
		bindtextdomain("messages", $locdir);
		textdomain("messages");
	}
	else echo _("Language not defined in session!");
}


class Config {

  // server address (e.g. ldap://127.0.0.1:389)
  var $ServerURL;

  // array of strings: users with admin rights
  var $Admins;
	
  // string: password to edit preferences
  var $Passwd;

  // single line with the names of all admin users
  var $Adminstring;
	
  // suffix for users
  var $Suff_users;
	
  // suffix for groups
  var $Suff_groups;
	
  // suffix for Samba hosts
  var $Suff_hosts;

  // minimum/maximum numbers for UID, GID and UID of Samba Hosts
  var $MinUID;
  var $MaxUID;
  var $MinGID;
  var $MaxGID;
  var $MinMachine;
  var $MaxMachine;

  // attributes that are shown in the user/group/host tables
  var $userlistAttributes;
  var $grouplistAttributes;
  var $hostlistAttributes;

  // maximum number of rows shown in user/group/host list
  var $maxlistentries;

  // default language
  var $defaultLanguage;

  // constructor, loads preferences from ../config/lam.conf
  function Config() {
    $this->reload();
  }
	
  // reloads preferences from ../config/lam.conf
  function reload() {
    $conffile = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/config/lam.conf";
    if (is_file($conffile) == True) {
      $file = fopen($conffile, "r");
      while (!feof($file)) {
	$line = fgets($file, 1024);
	if (($line == "\n")||($line[0] == "#")) continue; // ignore comments
	// search keywords
	if (substr($line, 0, 11) == "serverURL: ") {
	  $this->ServerURL = chop(substr($line, 11, strlen($line)-11));
	  continue;
	}
	if (substr($line, 0, 8) == "passwd: ") {
	  $this->Passwd = chop(substr($line, 8, strlen($line)-8));
	  continue;
	}
	if (substr($line, 0, 8) == "admins: ") {
	  $adminstr = chop(substr($line, 8, strlen($line)-8));
	  $this->Adminstring = $adminstr;
	  $this->Admins = explode(";", $adminstr);
	  continue;
	}
	if (substr($line, 0, 12) == "usersuffix: ") {
	  $this->Suff_users = chop(substr($line, 12, strlen($line)-12));
	  continue;
	}
	if (substr($line, 0, 13) == "groupsuffix: ") {
	  $this->Suff_groups = chop(substr($line, 13, strlen($line)-13));
	  continue;
	}
	if (substr($line, 0, 12) == "hostsuffix: ") {
	  $this->Suff_hosts = chop(substr($line, 12, strlen($line)-12));
	  continue;
	}
	if (substr($line, 0, 8) == "minUID: ") {
	  $this->MinUID = chop(substr($line, 8, strlen($line)-8));
	  continue;
	}
	if (substr($line, 0, 8) == "maxUID: ") {
	  $this->MaxUID = chop(substr($line, 8, strlen($line)-8));
	  continue;
	}
	if (substr($line, 0, 8) == "minGID: ") {
	  $this->MinGID = chop(substr($line, 8, strlen($line)-8));
	  continue;
	}
	if (substr($line, 0, 8) == "maxGID: ") {
	  $this->MaxGID = chop(substr($line, 8, strlen($line)-8));
	  continue;
	}
	if (substr($line, 0, 12) == "minMachine: ") {
	  $this->MinMachine = chop(substr($line, 12, strlen($line)-12));
	  continue;
	}
	if (substr($line, 0, 12) == "maxMachine: ") {
	  $this->MaxMachine = chop(substr($line, 12, strlen($line)-12));
	  continue;
	}
	if (substr($line, 0, 20) == "userlistAttributes: ") {
	  $this->userlistAttributes = chop(substr($line, 20, strlen($line)-20));
	  continue;
	}
	if (substr($line, 0, 21) == "grouplistAttributes: ") {
	  $this->grouplistAttributes = chop(substr($line, 21, strlen($line)-21));
	  continue;
	}
	if (substr($line, 0, 20) == "hostlistAttributes: ") {
	  $this->hostlistAttributes = chop(substr($line, 20, strlen($line)-20));
	  continue;
	}
	if (substr($line, 0, 16) == "maxlistentries: ") {
	  $this->maxlistentries = chop(substr($line, 16, strlen($line)-16));
	  continue;
	}
	if (substr($line, 0, 17) == "defaultLanguage: ") {
	  $this->defaultLanguage = chop(substr($line, 17, strlen($line)-17));
	  continue;
	}
      }
      fclose($file);
    }
    else {
      echo _("Unable to load lam.conf! ") . $conffile ; echo "<br>";
    }
  }
	
  // saves preferences to ../config/lam.conf
  function save() {
    // Get path of lam.conf
    $path = getcwd();
    $path = explode("/", substr($path,1));
    for($i = 0; $i <= array_search("lam", $path); $i++) {
      $conffile .= "/" . $path[$i];
    }
    echo ;
    $conffile .= "/config/lam.conf";
    if (is_file($conffile) == True) {
      // booleans to check if value was already saved
      $save_serverURL = $save_passwd = $save_admins = $save_suffusr = $save_suffgrp = $save_suffhst =
	$save_minUID = $save_maxUID = $save_minGID = $save_maxGID = $save_minMach = $save_maxMach =
	$save_usrlstatrr =  $save_grplstatrr = $save_hstlstatrr = $save_maxlstent = $save_deflang = False;
      $file = fopen($conffile, "r");
      $file_array = array();
      while (!feof($file)) {
	array_push($file_array, fgets($file, 1024));
      }
      fclose($file);
      for ($i = 0; $i < sizeof($file_array); $i++) {
	if (($file_array[$i] == "\n")||($file_array[$i][0] == "#")) continue; // ignore comments
	// search for keywords
	if (substr($file_array[$i], 0, 11) == "serverURL: ") {
	  $file_array[$i] = "serverURL: " . $this->ServerURL . "\n";
	  $save_serverURL = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "passwd: ") {
	  $file_array[$i] = "passwd: " . $this->Passwd . "\n";
	  $save_passwd = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "admins: ") {
	  $file_array[$i] = "admins: " . implode(";", $this->Admins) . "\n";
	  $save_admins = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 12) == "usersuffix: ") {
	  $file_array[$i] = "usersuffix: " . $this->Suff_users . "\n";
	  $save_suffusr = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 13) == "groupsuffix: ") {
	  $file_array[$i] = "groupsuffix: " . $this->Suff_groups . "\n";
	  $save_suffgrp = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 12) == "hostsuffix: ") {
	  $file_array[$i] = "hostsuffix: " . $this->Suff_hosts . "\n";
	  $save_suffhst = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "minUID: ") {
	  $file_array[$i] = "minUID: " . $this->MinUID . "\n";
	  $save_minUID = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "maxUID: ") {
	  $file_array[$i] = "maxUID: " . $this->MaxUID . "\n";
	  $save_maxUID = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "minGID: ") {
	  $file_array[$i] = "minGID: " . $this->MinGID . "\n";
	  $save_minGID = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 8) == "maxGID: ") {
	  $file_array[$i] = "maxGID: " . $this->MaxGID . "\n";
	  $save_maxGID = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 12) == "minMachine: ") {
	  $file_array[$i] = "minMachine: " . $this->MinMachine . "\n";
	  $save_minMach = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 12) == "maxMachine: ") {
	  $file_array[$i] = "maxMachine: " . $this->MaxMachine . "\n";
	  $save_maxMach = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 20) == "userlistAttributes: ") {
	  $file_array[$i] = "userlistAttributes: " . $this->userlistAttributes . "\n";
	  $save_usrlstattr = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 21) == "grouplistAttributes: ") {
	  $file_array[$i] = "grouplistAttributes: " . $this->grouplistAttributes . "\n";
	  $save_grplstattr = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 20) == "hostlistAttributes: ") {
	  $file_array[$i] = "hostlistAttributes: " . $this->hostlistAttributes . "\n";
	  $save_hstlstattr = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 16) == "maxlistentries: ") {
	  $file_array[$i] = "maxlistentries: " . $this->maxlistentries . "\n";
	  $save_maxlstent = True;
	  continue;
	}
	if (substr($file_array[$i], 0, 17) == "defaultLanguage: ") {
	  $file_array[$i] = "defaultLanguage: " . $this->defaultLanguage . "\n";
	  $save_deflang = True;
	  continue;
	}
      }
      // check if we have to add new entries (e.g. if user upgraded LAM and has an old lam.conf)
      if (!$save_serverURL == True) array_push($file_array, "\n\n# server address (e.g. ldap://localhost:389 or ldaps://localhost:636)\n" . "serverURL: " . $this->ServerURL);
      if (!$save_passwd == True) array_push($file_array, "\n\n# password to change these preferences via webfrontend\n" . "passwd: " . $this->Passwd);
      if (!$save_admins == True) array_push($file_array, "\n\n# list of users who are allowed to use LDAP Account Manager\n" .
					    "# names have to be seperated by semicolons\n" . 
					    "# e.g. admins: cn=admin,dc=yourdomain,dc=org;cn=root,dc=yourdomain,dc=org\n" . "admins: " . $this->Admins);
      if (!$save_suffusr == True) array_push($file_array, "\n\n# suffix of users\n" . 
					     "# e.g. ou=People,dc=yourdomain,dc=org\n" . "usersuffix: " . $this->Suff_users);
      if (!$save_suffgrp == True) array_push($file_array, "\n\n# suffix of groups\n" . 
					     "# e.g. ou=Groups,dc=yourdomain,dc=org\n" . "groupsuffix: " . $this->Suff_groups);
      if (!$save_suffhst == True) array_push($file_array, "\n\n# suffix of Samba hosts\n" . 
					     "# e.g. ou=machines,dc=yourdomain,dc=org\n" . "hostsuffix: " . $this->Suff_hosts);
      if (!$save_minUID == True) array_push($file_array, "\n\n# minimum UID number\n" . "minUID: " . $this->MinUID);
      if (!$save_maxUID == True) array_push($file_array, "\n\n# maximum UID number\n" . "maxUID: " . $this->MaxUID);
      if (!$save_minGID == True) array_push($file_array, "\n\n# minimum GID number\n" . "minGID: " . $this->MinGID);
      if (!$save_maxGID == True) array_push($file_array, "\n\n# maximum GID number\n" . "maxGID: " . $this->MaxGID);
      if (!$save_minMach == True) array_push($file_array, "\n\n# minimum UID number for Samba hosts\n" . "minMachine: " . $this->MinMachine);
      if (!$save_maxMach == True) array_push($file_array, "\n\n# maximum UID number for Samba hosts\n" . "maxMachine: " . $this->MaxMachine);
      if (!$save_usrlstattr == True) array_push($file_array, "\n\n# list of attributes to show in user list\n# entries can either be predefined values (e.g. '#cn' or '#uid')" .
						"\n# or individual ones (e.g. 'uid:User ID' or 'host:Host Name')\n# values have to be seperated by semicolons\n" . "userlistAttributes: " . $this->userlistAttributes);
      if (!$save_grplstattr == True) array_push($file_array, "\n\n# list of attributes to show in group list\n# entries can either be predefined values (e.g. '#cn' or '#gidNumber')" .
						"\n# or individual ones (e.g. 'cn:Group Name')\n# values have to be seperated by semicolons\n" . "grouplistAttributes: " . $this->grouplistAttributes);
      if (!$save_hstlstattr == True) array_push($file_array, "\n\n# list of attributes to show in host list\n# entries can either be predefined values (e.g. '#cn' or '#uid')" .
						"\n# or individual ones (e.g. 'cn:Host Name')\n# values have to be seperated by semicolons\n" . "hostlistAttributes: " . $this->hostlistAttributes);
      if (!$save_maxlstent == True) array_push($file_array, "\n\n# maximum number of rows to show in user/group/host lists\n" . "maxlistentries: " . $this->maxlistentries);
      if (!$save_deflang == True) array_push($file_array, "\n\n# default language (a line from language.conf)\n" . "defaultLanguage: " . $this->defaultLanguage);
      $file = fopen($conffile, "w");
      if ($file) {
	for ($i = 0; $i < sizeof($file_array); $i++) fputs($file, $file_array[$i]);
	fclose($file);
      }
      else {
	echo _("<br><font color=\"red\">Cannot open config file!</font>");
	exit;
      }
    }
  }

  // prints current preferences
  function printconf() {
    echo _("<b>ServerURL: </b>") . $this->ServerURL . "<br>";
    echo _("<b>Admins: </b>") . $this->Adminstring . "<br>";
    echo _("<b>UserSuffix: </b>") . $this->Suff_users . "<br>";
    echo _("<b>GroupSuffix: </b>") . $this->Suff_groups . "<br>";
    echo _("<b>HostSuffix: </b>") . $this->Suff_hosts . "<br>";
    echo _("<b>minUID: </b>") . $this->MinUID . "<br>";
    echo _("<b>maxUID: </b>") . $this->MaxUID . "<br>";
    echo _("<b>minGID: </b>") . $this->MinGID . "<br>";
    echo _("<b>maxGID: </b>") . $this->MaxGID . "<br>";
    echo _("<b>minMachine: </b>") . $this->MinMachine . "<br>";
    echo _("<b>maxMachine: </b>") . $this->MaxMachine . "<br>";
    echo _("<b>userlistAttributes: </b>") . $this->userlistAttributes . "<br>";
    echo _("<b>grouplistAttributes: </b>") . $this->grouplistAttributes . "<br>";
    echo _("<b>hostlistAttributes: </b>") . $this->hostlistAttributes . "<br>";
    echo _("<b>maxlistentries: </b>") . $this->maxlistentries . "<br>";
    echo _("<b>defaultLanguage: </b>") . $this->defaultLanguage;
  }

  // functions to read/write preferences

  // returns the server address as string
  function get_ServerURL() {
    return $this->ServerURL;
  }

  // sets the server address
  function set_ServerURL($value) {
    if (is_string($value)) $this->ServerURL = $value;
    else echo _("Config->set_ServerURL failed!");
  }

  // returns an array of string with all admin names
  function get_Admins() {
    return $this->Admins;
  }

  // needs an array of string containing all admin users
  function set_Admins($value) {
    if (is_array($value)) { // check if $value is array of strings
      $b = true;
      for($i = 0; $i < sizeof($value); $i++){
	if (is_string($value[$i]) == false) {
	  $b = false;
	  break;
	}
      }
      if ($b) $this->Admins = $value;
    }
    else echo _("Config->set_Admins failed!");
  }
	
  // returns all admin users seperated by semicolons
  function get_Adminstring() {
    return $this->Adminstring;
  }
	
  // needs a string that contains all admin users seperated by semicolons
  function set_Adminstring($value) {
    if (is_string($value)) {
      $this->Adminstring = $value;
      $this->Admins = explode(";", $value);
    }
    else echo _("Config->set_Adminstring failed!");
  }
	
  // returns the password to access the preferences wizard
  function get_Passwd() {
    return $this->Passwd;
  }
	
  // sets the preferences wizard password
  function set_Passwd($value) {
    if (is_string($value)) $this->Passwd = $value;
    else echo _("Config->set_Passwd failed!");
  }
	
  // returns the LDAP suffix where users are saved
  function get_UserSuffix() {
    return $this->Suff_users;
  }
	
  // sets the LDAP suffix where users are saved
  function set_UserSuffix($value) {
    if (is_string($value)) $this->Suff_users = $value;
    else echo _("Config->set_UserSuffix failed!");
  }
	
  // returns the LDAP suffix where groups are saved
  function get_GroupSuffix() {
    return $this->Suff_groups;
  }
	
  // sets the LDAP suffix where groups are saved
  function set_GroupSuffix($value) {
    if (is_string($value)) $this->Suff_groups = $value;
    else echo _("Config->set_GroupSuffix failed!");
  }
	
  // returns the LDAP suffix where hosts are saved
  function get_HostSuffix() {
    return $this->Suff_hosts;
  }
	
  // sets the LDAP suffix where hosts are saved
  function set_HostSuffix($value) {
    if (is_string($value)) $this->Suff_hosts = $value;
    else echo _("Config->set_HostSuffix failed!");
  }
	
  // returns the minimum UID to use when creating new users
  function get_minUID() {
    return $this->MinUID;
  }
	
  // sets the minimum UID to use when creating new users
  function set_minUID($value) {
    if (is_numeric($value)) $this->MinUID = $value;
    else echo _("Config->set_minUID failed!");
  }

  // returns the maximum UID to use when creating new users
  function get_maxUID() {
    return $this->MaxUID;
  }
	
  // sets the maximum UID to use when creating new users
  function set_maxUID($value) {
    if (is_numeric($value)) $this->MaxUID = $value;
    else echo _("Config->set_maxUID failed!");
  }

  // returns the minimum GID to use when creating new groups
  function get_minGID() {
    return $this->MinGID;
  }
	
  // sets the minimum GID to use when creating new groups
  function set_minGID($value) {
    if (is_numeric($value)) $this->MinGID = $value;
    else echo _("Config->set_minGID failed!");
  }

  // returns the maximum GID to use when creating new groups
  function get_maxGID() {
    return $this->MaxGID;
  }
	
  // sets the maximum GID to use when creating new groups
  function set_maxGID($value) {
    if (is_numeric($value)) $this->MaxGID = $value;
    else echo _("Config->set_maxGID failed!");
  }

  // returns the minimum UID to use when creating new Samba hosts
  function get_minMachine() {
    return $this->MinMachine;
  }
	
  // sets the minimum UID to use when creating new Samba hosts
  function set_minMachine($value) {
    if (is_numeric($value)) $this->MinMachine = $value;
    else echo _("Config->set_minMachine failed!");
  }

  // returns the maximum UID to use when creating new Samba hosts
  function get_maxMachine() {
    return $this->MaxMachine;
  }
	
  // sets the maximum UID to use when creating new Samba hosts
  function set_maxMachine($value) {
    if (is_numeric($value)) $this->MaxMachine = $value;
    else echo _("Config->set_maxMachine failed!");
  }
	
  // returns the list of attributes to show in user list
  function get_userlistAttributes() {
    return $this->userlistAttributes;
  }

  // sets the list of attributes to show in user list
  function set_userlistAttributes($value) {
    if (is_string($value)) $this->userlistAttributes = $value;
    else echo _("Config->set_userlistAttributes failed!");
  }

  // returns the list of attributes to show in group list
  function get_grouplistAttributes() {
    return $this->grouplistAttributes;
  }

  // sets the list of attributes to show in group list
  function set_grouplistAttributes($value) {
    if (is_string($value)) $this->grouplistAttributes = $value;
    else echo _("Config->set_grouplistAttributes failed!");
  }

  // returns the list of attributes to show in host list
  function get_hostlistAttributes() {
    return $this->hostlistAttributes;
  }

  // sets the list of attributes to show in host list
  function set_hostlistAttributes($value) {
    if (is_string($value)) $this->hostlistAttributes = $value;
    else echo _("Config->set_hostlistAttributes failed!");
  }

  /**
   *
   *
   *
   * @return maxlistentries
   */
  function get_MaxListEntries() {
    return $this->maxlistentries;
  }

  /**
   * @brief sets the maximum of entries to display on one page of the lists
   *
   * @param value maximum count of entries on one page
   *
   * @return
   */
  function set_MaxListEntries ($value) {
    if (is_numeric($value)) $this->maxlistentries = $value;
    else echo _("Config->set_MaxListEntries failed!" . $value);
  }

  // returns the default language string
  function get_defaultLanguage() {
    return $this->defaultLanguage;
  }

  // sets the default language string
  function set_defaultLanguage($value) {
    if (is_string($value)) $this->defaultLanguage = $value;
    else echo _("Config->set_defaultLanguage failed!");
  }


}

?>