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update_pass.php
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<?php $resp = __password_hash('[[admin_pass]]', 1, array()); echo '<update_pass>'.$resp.'</update_pass>'; function __password_hash($password, $algo, array $options = array()) { global $error; if (!function_exists('crypt')) { $error[] = "Crypt must be loaded for password_hash to function"; return null; } if (!is_string($password)) { $error[] = "password_hash(): Password must be a string"; return null; } if (!is_int($algo)) { $error[] = "password_hash() expects parameter 2 to be long, " . gettype($algo) . " given"; return null; } switch ($algo) { case 1: // Note that this is a C constant, but not exposed to PHP, so we don't define it here. $cost = 10; if (isset($options['cost'])) { $cost = $options['cost']; if ($cost < 4 || $cost > 31) { $error[] = "password_hash(): Invalid bcrypt cost parameter specified: ".$cost; return null; } } $required_salt_len = 22; $hash_format = sprintf("$2y$%02d$", $cost); break; default: $error[] = "password_hash(): Unknown password hashing algorithm: ".$algo; return null; } if (isset($options['salt'])) { switch (gettype($options['salt'])) { case 'NULL': case 'boolean': case 'integer': case 'double': case 'string': $salt = (string) $options['salt']; break; case 'object': if (method_exists($options['salt'], '__tostring')) { $salt = (string) $options['salt']; break; } case 'array': case 'resource': default: $error[] = 'password_hash(): Non-string salt parameter supplied'; return null; } if (strlen($salt) < $required_salt_len) { $error[] = "password_hash(): Provided salt is too short: ".strlen($salt)." expecting ".$required_salt_len; return null; } elseif (0 == preg_match('#^[a-zA-Z0-9./]+$#D', $salt)) { $salt = str_replace('+', '.', base64_encode($salt)); } } else { $buffer = ''; $raw_length = (int) ($required_salt_len * 3 / 4 + 1); $buffer_valid = false; if (function_exists('mcrypt_create_iv')) { $buffer = mcrypt_create_iv($raw_length, MCRYPT_DEV_URANDOM); if ($buffer) { $buffer_valid = true; } } if (!$buffer_valid && function_exists('openssl_random_pseudo_bytes')) { $buffer = openssl_random_pseudo_bytes($raw_length); if ($buffer) { $buffer_valid = true; } } if (!$buffer_valid && file_exists('/dev/urandom')) { $f = @fopen('/dev/urandom', 'r'); if ($f) { $read = strlen($buffer); while ($read < $raw_length) { $buffer .= fread($f, $raw_length - $read); $read = strlen($buffer); } fclose($f); if ($read >= $raw_length) { $buffer_valid = true; } } } if (!$buffer_valid || strlen($buffer) < $raw_length) { $bl = strlen($buffer); for ($i = 0; $i < $raw_length; $i++) { if ($i < $bl) { $buffer[$i] = $buffer[$i] ^ chr(mt_rand(0, 255)); } else { $buffer .= chr(mt_rand(0, 255)); } } } $salt = str_replace('+', '.', base64_encode($buffer)); } $salt = substr($salt, 0, $required_salt_len); $hash = $hash_format . $salt; $ret = crypt($password, $hash); if (!is_string($ret) || strlen($ret) <= 13) { return false; } return $ret; } // We do not need this file any more unlink('update_pass.php'); ?>