Backport Login changes

Password change backport

www/libs/Class.Basic.inc

@@ -1,4 +1,4 @@
-<?
+<?php
 /*********************************************************************
 * AUTHOR: Clemens "Gullevek" Schwaighofer (www.gullevek.org)
 * CREATED: 2003/03/24
@@ -145,12 +145,13 @@ class basic
 	// error char for the char conver
 	public $mbErrorChar;
 
-	// crypt saslt prefix
+	// [!!! DEPRECATED !!!] crypt saslt prefix
 	public $cryptSaltPrefix = '';
 	public $cryptSaltSuffix = '';
 	public $cryptIterationCost = 7; // this is for staying backwards compatible with the old ones
 	public $cryptSaltSize = 22; // default 22 chars for blowfish, 2 for STD DES, 8 for MD5,
-
+	// new better password management
+	protected $password_options = array ();
 	// session name
 	private $session_name = '';
 	private $session_id = '';
@@ -337,8 +338,10 @@ class basic
 			$this->session_id = session_id();
 		}
 
-		// init crypt settings
+		// [!!! DEPRECATED !!!] init crypt settings
 		$this->cryptInit();
+		// new better password init
+		$this->passwordInit();
 
 		// start logging running time
 		$this->running_time();
@@ -1572,6 +1575,11 @@ class basic
 		return false;
 	}
 
+	// [!!! DEPRECATED !!!]
+	// ALL crypt* methids are DEPRECATED and SHALL NOT BE USED
+	// use the new password* instead
+
+	// [!!! DEPRECATED !!!] -> passwordInit
 	// METHOD: cryptInit
 	// PARAMS: none
 	// RETURN: none
@@ -1618,6 +1626,7 @@ class basic
 		}
 	}
 
+	// [!!! DEPRECATED !!!] -> not needed
 	// METHOD: cryptSaltString
 	// PARAMS: random string length, default is 22 (for blowfish crypt)
 	// RETURN: random string
@@ -1645,6 +1654,7 @@ class basic
 		return $salt_string;
 	}
 
+	// [!!! DEPRECATED !!!] -> passwordSet
 	// METHOD: cryptString
 	// PARAMS: string to be crypted (one way)
 	// RETURN: encrypted string
@@ -1656,6 +1666,7 @@ class basic
 		return crypt($string, $this->cryptSaltPrefix.$this->cryptSaltString($this->cryptSaltSize).$this->cryptSaltSuffix);
 	}
 
+	// [!!! DEPRECATED !!!] -> passwordVerify
 	// METHOD: verifyCryptString
 	// PARAMS: plain string (eg password)
 	//         full crypted string (from cryptString
@@ -1671,6 +1682,61 @@ class basic
 		}
 	}
 
+	// *** BETTER PASSWORD OPTIONS, must be used ***
+	// METHOD: passwordInit
+	// PARAMS: none
+	// RETURN: none
+	// DESC  : inits the password options set
+	//         currently this is et empty, and the default options are used
+	private function passwordInit()
+	{
+		// set default password cost: use default set automatically
+		$this->password_options = array (
+			// 'cost' => PASSWORD_BCRYPT_DEFAULT_COST
+		);
+	}
+
+	// METHOD: passwordSet
+	// PARAMS: password
+	// RETURN: hashed password
+	// DESC  : creates the password hash
+	public function passwordSet($password)
+	{
+		// always use the PHP default for the password
+		// password options ca be set in the password init, but should be kept as default
+		return password_hash($password, PASSWORD_DEFAULT, $this->password_options);
+	}
+
+	// METHOD: passwordVerify
+	// PARAMS: password and hash
+	// RETURN: true or false
+	// DESC  : checks if the entered password matches the hash
+	public function passwordVerify($password, $hash)
+	{
+		if (password_verify($password, $hash)) {
+			return true;
+		} else {
+			return false;
+		}
+		// in case something strange, return false on default
+		return false;
+	}
+
+	// METHOD: passwordRehashCheck
+	// PARAMS: hash
+	// RETURN: true or false
+	// DESC  : checks if the password needs to be rehashed
+	public function passwordRehashCheck($hash)
+	{
+		if (password_needs_rehash($hash, PASSWORD_DEFAULT, $this->password_options)) {
+			return true;
+		} else {
+			return false;
+		}
+		// in case of strange, force re-hash
+		return true;
+	}
+
 	// *** COLORS ***
 
 	// METHOD: hex2rgb
@@ -2070,3 +2136,5 @@ class basic
 		return $_SESSION[$name] === $token;
 	}
 }
+
+# __END__

www/libs/Class.DB.IO.inc

@@ -1,4 +1,5 @@
-<?
+<?php
+
 /********************************************************************
 * AUTHOR: Clemens "Gullevek" Schwaighofer (www.gullevek.org)
 * CREATED: 2000/11/23
@@ -1744,3 +1745,5 @@ class db_io extends basic
 		return $value;
 	}
 } // end if db class
+
+# __END__

www/libs/Class.Form.Generate.inc

@@ -917,16 +917,16 @@ class form extends db_array_io
 					} // switch
 				} // for each error to check
 			} elseif ($value["mandatory"] &&
-						(
-							// for all "normal" fields
-							($this->table_array[$key]["type"] != "password" && $this->table_array[$key]["type"] != "drop_down_db_input" && !$this->table_array[$key]["value"]) ||
-							// for drop_down_db_input check if one of both fields filled
-							($this->table_array[$key]["type"] == "drop_down_db_input" && !$this->table_array[$key]["input_value"] && !$this->table_array[$key]["value"]) ||
-							// for password
-							($this->table_array[$key]["type"] == "password" && !$this->table_array[$key]["value"] && !$this->table_array[$key]["HIDDEN_value"])
-						)
-					// main if end
-					) {
+				(
+					// for all "normal" fields
+					($this->table_array[$key]["type"] != "password" && $this->table_array[$key]["type"] != "drop_down_db_input" && !$this->table_array[$key]["value"]) ||
+					// for drop_down_db_input check if one of both fields filled
+					($this->table_array[$key]["type"] == "drop_down_db_input" && !$this->table_array[$key]["input_value"] && !$this->table_array[$key]["value"]) ||
+					// for password
+					($this->table_array[$key]["type"] == "password" && !$this->table_array[$key]["value"] && !$this->table_array[$key]["HIDDEN_value"])
+				)
+			// main if end
+			) {
 				// if mandatory && no input
 //$this->debug('form', "A: ".$this->table_array[$key]["type"]." -- ".$this->table_array[$key]["input_value"]." -- ".$this->table_array[$key]["value"]);
 				if (!$this->table_array[$key]["value"] && $this->table_array[$key]["type"] != "binary") {
@@ -1171,7 +1171,6 @@ class form extends db_array_io
 	// DESC   save a table, reference and all input fields
 	public function form_save_table_array($addslashes = 0)
 	{
-//       global $_FILES;
 		// for drop_down_db_input check if text field is filled and if, if not yet in db ...
 		// and upload files
 		if (!is_array($this->table_array)) {
@@ -1234,8 +1233,8 @@ class form extends db_array_io
 				// if smth in $$key_file -> save or overwrite
 				// if smth in $key && $$key_delete && !$$key_file-> delte
 				// if smth in $key, keep as is
-//           $_file=$key."_file";
-//           $_delete=$key."_delete";
+				// $_file=$key."_file";
+				// $_delete=$key."_delete";
 //$this->debug('form', "UF: ".$GLOBALS["_FILES"][$key."_file"]['name']);
 //$this->debug('form', "delete: ".$key."_delete => ".$GLOBALS[$key.'_delete']);
 				if ($GLOBALS["_FILES"][$key."_file"]['name']) {
@@ -1266,11 +1265,11 @@ class form extends db_array_io
 			// for password crypt it as blowfish, or if not available MD5
 			if ($this->table_array[$key]['type'] == 'password') {
 				if ($this->table_array[$key]["value"]) {
-					// password is stored in blowfish format, or in the format supported by this PHP version
-					$this->table_array[$key]["value"] = $this->cryptString($this->table_array[$key]["value"]);
+					// use the better new passwordSet instead of crypt based
+					$this->table_array[$key]['value'] = $this->passwordSet($this->table_array[$key]['value']);
 					$this->table_array[$key]["HIDDEN_value"] = $this->table_array[$key]["value"];
 				} else {
-//						$this->table_array[$key]["HIDDEN_value"] =
+					// $this->table_array[$key]["HIDDEN_value"] =
 				}
 			}
 		} // go through each field

www/libs/Class.Login.inc

@@ -70,8 +70,17 @@ class login extends db_io
 	private $logout; // logout button
 	private $login_error; // login error code, can be matched to the array login_error_msg, which holds the string
 	private $password_change = false; // if this is set to true, the user can change passwords
+	private $password_change_ok = false; // password change was successful
 	private $pw_change_deny_users = array (); // array of users for which the password change is forbidden
 
+	// if we have password change we need to define some rules
+	private $password_min_length = 8;
+	// can have several regexes, if nothing set, all is ok
+	private $password_valid_chars = array (
+		// '^(?=.*\d)(?=.*[A-Za-z])[0-9A-Za-z!@#$%]{8,}$',
+		// '^(?.*(\pL)u)(?=.*(\pN)u)(?=.*([^\pL\pN])u).{8,}',
+	);
+
 	// all possible login error conditions
 	private $login_error_msg = array ();
 	// this is an array holding all strings & templates passed from the outside (translation)
@@ -225,6 +234,55 @@ class login extends db_io
 		parent::__destruct();
 	}
 
+	// METHOD: loginPasswordCheck
+	// PARAMS: hash, optional password, to override
+	// RETURN: true or false
+	// DESC  : checks if password is valid, sets internal error login variable
+	private function loginPasswordCheck($hash, $password = '')
+	{
+		$password_ok = false;
+		if (!$password) {
+			$password = $this->password;
+		}
+		if ((preg_match("/^\\$2(a|y)\\$/", $hash) && CRYPT_BLOWFISH != 1) ||
+			(preg_match("/^\\$1\\$/", $hash) && CRYPT_MD5 != 1) ||
+			(preg_match("/^\\$[0-9A-Za-z.]{12}$/", $hash) && CRYPT_STD_DES != 1)
+		) {
+			// this means password cannot be decrypted because of missing crypt methods
+			$this->login_error = 9999;
+			$password_ok = false;
+		} elseif ((preg_match("/^\\$2(a)\\$/", $hash) ||
+			// old password have $07$ so we check this
+			(preg_match("/^\\$2(y)\\$/", $hash) && preg_match("/\\$07\\$/", $hash)) ||
+			preg_match("/^\\$1\\$/", $hash) ||
+			preg_match("/^\\$[0-9A-Za-z.]{12}$/", $hash)) &&
+			!$this->verifyCryptString($password, $hash)
+		) {
+			// check passwword as crypted, $2a$ or $2y$ is blowfish start, $1$ is MD5 start, $\w{12} is standard DES
+			// this is only for OLD $07$ password
+			$this->login_error = 1011;
+			$password_ok = false;
+		} elseif (preg_match("/^\\$2y\\$/", $hash) &&
+			!$this->passwordVerify($password, $hash)
+		) {
+			// this is the new password hash methid, is only $2y$
+			$this->login_error = 1013;
+			$password_ok = false;
+		} elseif (!preg_match("/^\\$2(a|y)\\$/", $hash) &&
+			!preg_match("/^\\$1\\$/", $hash) &&
+			!preg_match("/^\\$[0-9A-Za-z.]{12}$/", $hash) &&
+			$hash != $password
+		) {
+			// check old plain password, non case sensitive
+			$this->login_error = 1012;
+			$password_ok = false;
+		} else {
+			// all ok
+			$password_ok = true;
+		}
+		return $password_ok;
+	}
+
 	// METHOD: login_login_user
 	// PARAMS: none
 	// RETURN: none
@@ -280,16 +338,17 @@ class login extends db_io
 					} elseif ($res['locked']) {
 						// user is locked, either set or auto set
 						$this->login_error = 105;
-					} elseif ((preg_match("/^\\$2(a|y)\\$/", $res['password']) && CRYPT_BLOWFISH != 1) || (preg_match("/^\\$1\\$/", $res['password']) && CRYPT_MD5 != 1) || (preg_match("/^\\$[0-9A-Za-z.]{12}$/", $res['password']) && CRYPT_STD_DES != 1)) {
-						// this means password cannot be decrypted because of missing crypt methods
-						$this->login_error = 9999;
-					} elseif ((preg_match("/^\\$2(a|y)\\$/", $res['password']) || preg_match("/^\\$1\\$/", $res['password']) || preg_match("/^\\$[0-9A-Za-z.]{12}$/", $res['password'])) && !$this->verifyCryptString($this->password, $res['password'])) {
-						// check passwword as crypted, $2a$ or $2y$ is blowfish start, $1$ is MD5 start, $\w{12} is standard DES
-						$this->login_error = 1011;
-					} elseif (!preg_match("/^\\$2(a|y)\\$/", $res['password']) && !preg_match("/^\\$1\\$/", $res['password']) && !preg_match("/^\\$[0-9A-Za-z.]{12}$/", $res['password']) && $res['password'] != $this->password) {
-						// check old plain password, non case sensitive
-						$this->login_error = 1012;
+					} elseif (!$this->loginPasswordCheck($res['password'])) {
+						// none to be set, set in login password check
 					} else {
+						// check if the current password is an invalid hash and do a rehash and set password
+						// $this->debug('LOGIN', 'Hash: '.$res['password'].' -> VERIFY: '.($this->passwordVerify($this->password, $res['password']) ? 'OK' : 'FAIL').' => HASH: '.($this->passwordRehashCheck($res['password']) ? 'NEW NEEDED' : 'OK'));
+						if ($this->passwordRehashCheck($res['password'])) {
+							$new_hash = $this->passwordSet($this->password);
+							// update password hash to new one now
+							$q = "UPDATE edit_user SET password = '".$this->dbEscapeString($new_hash)."' WHERE edit_user_id = ".$res['edit_user_id'];
+							$this->dbExec($q);
+						}
 						// normal user processing
 						// set class var and session var
 						$_SESSION["EUID"] = $this->euid = $res["edit_user_id"];
@@ -608,6 +667,28 @@ class login extends db_io
 		}
 	}
 
+	// METHOD: loginPasswordChangeValidPassword
+	// PARAMS: the new password
+	// RETURN: true or false
+	// DESC  : checks if the password is in a valid format
+	private function loginPasswordChangeValidPassword($password)
+	{
+		$is_valid_password = true;
+		// check for valid in regex arrays in list
+		if (is_array($this->password_valid_chars)) {
+			foreach ($this->password_valid_chars as $password_valid_chars) {
+				if (!preg_match("/$password_valid_chars/", $password)) {
+					$is_valid_password = false;
+				}
+			}
+		}
+		// check for min length
+		if (strlen($password) < $this->password_min_length) {
+			$is_valid_password = false;
+		}
+		return $is_valid_password;
+	}
+
 	// METHOD: login_password_change
 	// PARAMS: none
 	// RETURN: none
@@ -634,9 +715,9 @@ class login extends db_io
 				}
 				// check old passwords match -> error
 				if (!$this->login_error) {
-					$q = "SELECT edit_user_id FROM edit_user WHERE enabled = 1 AND username = '".$this->db_escape_string($this->pw_username)."' AND password = '".$this->db_escape_string($this->pw_old_password)."'";
-					list ($edit_user_id) = $this->db_return_row($q);
-					if (!$edit_user_id) {
+					$q = "SELECT edit_user_id, password FROM edit_user WHERE enabled = 1 AND username = '".$this->dbEscapeString($this->pw_username)."'";
+					list ($edit_user_id, $old_password_hash) = $this->dbReturnRow($q);
+					if (!$edit_user_id || !$this->loginPasswordCheck($old_password_hash, $this->pw_old_password)) {
 						// old password wrong
 						$this->login_error = 202;
 						$data = 'The old password does not match';
@@ -653,15 +734,23 @@ class login extends db_io
 				if (!$this->login_error) {
 					if ($this->pw_new_password != $this->pw_new_password_confirm) {
 						$this->login_error = 204;
-						$data = 'The new passwords do not match: '.$this->pw_new_password.' == '.$this->pw_new_password_confirm;
+						$data = 'The new passwords do not match';
+					}
+				}
+				// password shall match to something in minimum length or form
+				if (!$this->login_error) {
+					if (!$this->loingPasswordChangeValidPassword($this->pw_new_password)) {
+						$this->login_error = 205;
+						$data = 'The new password string is not valid';
 					}
 				}
 				// no error change this users password
 				if (!$this->login_error) {
 					// update the user (edit_user_id) with the new password
-					$q = "UPDATE edit_user SET password = '".$this->db_escape_string($this->cryptString($this->pw_new_password))."' WHERE edit_user_id = ".$edit_user_id;
+					$q = "UPDATE edit_user SET password = '".$this->db_escape_string($this->passwordSet($this->pw_new_password))."' WHERE edit_user_id = ".$edit_user_id;
 					$this->db_exec($q);
-					$data = 'Password change for user "'.$this->pw_username.'" from "'.$this->pw_old_password.'" to "'.$this->pw_new_password.'"';
+					$data = 'Password change for user "'.$this->pw_username.'"';
+					$this->password_change_ok = true;
 				}
 			} else {
 				// illegal user error
@@ -669,7 +758,7 @@ class login extends db_io
 				$data = 'Illegal user for password change: '.$this->pw_username;
 			}
 			// log this password change attempt
-			$this->write_log($event, $data, $this->login_error, $pw_username, $pw_old_password);
+			$this->write_log($event, $data, $this->login_error, $pw_username);
 		} // button pressed
 	}
 
@@ -701,6 +790,18 @@ class login extends db_io
 						$html_string_password_change = str_replace("{".$string."}", $data, $html_string_password_change);
 					}
 				}
+				// print error messagae
+				if ($this->login_error) {
+					$html_string_password_change = str_replace("{ERROR_MSG}", $this->login_error_msg[$this->login_error]."<br>", $html_string_password_change);
+				} else {
+					$html_string_password_change = str_replace("{ERROR_MSG}", "<br>", $html_string_password_change);
+				}
+				// if pw change action, show the float again
+				if ($this->change_password && !$this->password_change_ok) {
+					$html_string_password_change = str_replace('{PASSWORD_CHANGE_SHOW}', '<script language="JavaScript">ShowHideDiv(\'pw_change_div\');</script>', $html_string_password_change);
+				} else {
+					$html_string_password_change = str_replace('{PASSWORD_CHANGE_SHOW}', '', $html_string_password_change);
+				}
 				$this->login_template['strings']['PASSWORD_CHANGE_DIV'] = $html_string_password_change;
 			}
 
@@ -714,6 +815,8 @@ class login extends db_io
 			// print error messagae
 			if ($this->login_error) {
 				$html_string = str_replace("{ERROR_MSG}", $this->login_error_msg[$this->login_error]."<br>", $html_string);
+			} elseif ($this->password_change_ok && $this->password_change) {
+				$html_string = str_replace('{ERROR_MSG}', $this->login_error_msg[300].'<br>', $html_string);
 			} else {
 				$html_string = str_replace("{ERROR_MSG}", "<br>", $html_string);
 			}
@@ -752,7 +855,7 @@ class login extends db_io
 				$q = "SELECT username, password FROM edit_user WHERE edit_user_id = ".$this->euid;
 				list($username, $password) = $this->db_return_row($q);
 			} // if euid is set, get username (or try)
-			$this->write_log($event, '', $this->login_error, $username, $password);
+			$this->write_log($event, '', $this->login_error, $username);
 		} // write log under certain settings
 		// now close DB connection
 //			$this->error_msg = $this->_login();
@@ -795,6 +898,8 @@ class login extends db_io
 			"202" => $this->l->__("Fatal Error: <b>Password change - The old password is not correct</b>"),
 			"203" => $this->l->__("Fatal Error: <b>Password change - Please fill out both new password fields</b>"),
 			"204" => $this->l->__("Fatal Error: <b>Password change - The new passwords do not match</b>"),
+			"205" => $this->l->__("Fatal Error: <b>Password change - The new password is not in a valid format</b>"), // we should also not here WHAT is valid
+			"300" => $this->l->__("Success: <b>Password change successful</b>"), // for OK password change
 			"9999" => $this->l->__("Fatal Error: <b>necessary crypt engine could not be found</b>. Login is impossible") // this is bad bad error
 		);
 
@@ -821,6 +926,7 @@ class login extends db_io
 <tr><td></td><td><input type="submit" name="change_password" value="{PASSWORD_CHANGE_BUTTON_VALUE}"><input type="button" name="pw_change" value="{CLOSE}" OnClick="ShowHideDiv('pw_change_div');"></td></tr>
 </table>
 </div>
+{PASSWORD_CHANGE_SHOW}
 EOM;
 		} else {
 			$strings = array_merge($strings, array (
@@ -917,12 +1023,14 @@ EOM;
 	//        error -> if error, write error string (not enougth data, etc)
 	// RETURN: none
 	// DESC  : writes detailed data into the edit user log table (keep log what user does)
-	private function write_log($event, $data, $error = "", $username = "", $password = "")
+	private function write_log($event, $data, $error = '', $username = '')
 	{
 		if ($this->login) {
 				$this->action = 'Login';
 		} elseif ($this->logout) {
 				$this->action = 'Logout';
+		} else {
+			$this->action = '';
 		}
 		$_data_binary = array (
 				'_SESSION' => $_SESSION,
@@ -937,7 +1045,7 @@ EOM;
 		$q .= "(username, password, euid, event_date, event, error, data, data_binary, page, ";
 		$q .= "ip, user_agent, referer, script_name, query_string, server_name, http_host, http_accept, http_accept_charset, http_accept_encoding, session_id, ";
 		$q .= "action, action_id, action_yes, action_flag, action_menu, action_loaded, action_value, action_error) ";
-		$q .= "VALUES ('".$this->db_escape_string($username)."', '".$this->db_escape_string($password)."', ".(($this->euid) ? $this->euid : 'NULL').", ";
+		$q .= "VALUES ('".$this->db_escape_string($username)."', 'PASSWORD', ".(($this->euid) ? $this->euid : 'NULL').", ";
 		$q .= "NOW(), '".$this->db_escape_string($event)."', '".$this->db_escape_string($error)."', '".$this->db_escape_string($data)."', '".$data_binary."', '".$this->page_name."', ";
 		foreach (array('REMOTE_ADDR', 'HTTP_USER_AGENT', 'HTTP_REFERER', 'SCRIPT_FILENAME', 'QUERY_STRING', 'SERVER_NAME', 'HTTP_HOST', 'HTTP_ACCEPT', 'HTTP_ACCEPT_CHARSET', 'HTTP_ACCEPT_ENCODING') as $server_code) {
 			if (array_key_exists($server_code, $_SERVER)) {

www/libs/db_pgsql.inc

@@ -1,4 +1,5 @@
-<?
+<?php
+
 /*********************************************************************
 * AUTHOR: Clemens "Gullevek" Schwaighofer (www.gullevek.org)
 * CREATED: 2003/04/09
@@ -393,3 +394,5 @@ class db_pgsql
 		return $output;
 	}
 }
+
+# __END__