class_passwordMethodCrypt.inc 4.26 KiB
<?php
/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
  Copyright (C) 2003-2010  Cajus Pollmeier
  Copyright (C) 2011-2019  FusionDirectory
  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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
/*!
 * \file class_passwordMethodCrypt.inc
 * Source code for class passwordMethodCrypt
/*!
 * \brief This class contains all the functions for crypt password methods
 * \see passwordMethod
class passwordMethodCrypt extends passwordMethod
  /*!
   * \brief passwordMethodCrypt Constructor
  function __construct ()
  /*!
   * \brief Is available
   * \return TRUE if is avaibable, otherwise return false
  public function is_available (): bool
    return function_exists('crypt');
  /*!
   * \brief Generate template hash
   * \param string $pwd Password
   * \param bool $locked Should the password be locked
   * \return string the password hash
  public function generate_hash (string $pwd, bool $locked = FALSE): string
    $salt = '';
    if ($this->hash == "crypt/standard-des") {
      $salt = "";
      for ($i = 0; $i < 2; $i++) {
        $salt .= get_random_char();
    } elseif ($this->hash == "crypt/enhanced-des") {
      $salt = "_";
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for ($i = 0; $i < 8; $i++) { $salt .= get_random_char(); } } elseif ($this->hash == "crypt/md5") { $salt = "\$1\$"; for ($i = 0; $i < 8; $i++) { $salt .= get_random_char(); } $salt .= "\$"; } elseif ($this->hash == "crypt/blowfish") { $salt = "\$2a\$07\$"; for ($i = 0; $i < CRYPT_SALT_LENGTH; $i++) { $salt .= get_random_char(); } $salt .= "\$"; } elseif ($this->hash == "crypt/sha-256") { $salt = "\$5\$"; for ($i = 0; $i < 16; $i++) { $salt .= get_random_char(); } $salt .= "\$"; } elseif ($this->hash == "crypt/sha-512") { $salt = "\$6\$"; for ($i = 0; $i < 16; $i++) { $salt .= get_random_char(); } $salt .= "\$"; } return '{CRYPT}'.($locked ? '!' : '').crypt($pwd, $salt); } function checkPassword ($pwd, $hash): bool { // Not implemented return FALSE; } /*! * \brief Get the hash name */ static function get_hash_name () { $hashes = []; if (CRYPT_STD_DES == 1) { $hashes[] = "crypt/standard-des"; } if (CRYPT_EXT_DES == 1) { $hashes[] = "crypt/enhanced-des"; } if (CRYPT_MD5 == 1) { $hashes[] = "crypt/md5"; } if (CRYPT_BLOWFISH == 1) { $hashes[] = "crypt/blowfish"; } if (CRYPT_SHA256 == 1) { $hashes[] = "crypt/sha-256"; } if (CRYPT_SHA512 == 1) { $hashes[] = "crypt/sha-512"; } return $hashes; }
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/*! * \brief Extract a method * * \param string $classname The password method class name * * \param string $password_hash */ static function _extract_method ($password_hash): string { if (!preg_match('/^{crypt}/i', $password_hash)) { return ""; } $password_hash = preg_replace('/^{[^}]+}!?/', '', $password_hash); if (preg_match("/^[a-zA-Z0-9.\/][a-zA-Z0-9.\/]/", $password_hash)) { return "crypt/standard-des"; } if (preg_match("/^_[a-zA-Z0-9.\/]/", $password_hash)) { return "crypt/enhanced-des"; } if (preg_match('/^\$1\$/', $password_hash)) { return "crypt/md5"; } if (preg_match('/^(\$2\$|\$2a\$)/', $password_hash)) { return "crypt/blowfish"; } if (preg_match('/^\$5\$/', $password_hash)) { return "crypt/sha-256"; } if (preg_match('/^\$6\$/', $password_hash)) { return "crypt/sha-512"; } return ""; } }