Subversion-Projekte lars-tiefland.php_share

<?php

//

// +----------------------------------------------------------------------+

// | PHP Version 4                                                        |

// +----------------------------------------------------------------------+

// | Copyright (c) 1997-2003 The PHP Group                                |

// +----------------------------------------------------------------------+

// | This source file is subject to version 2.02 of the PHP license,      |

// | that is bundled with this package in the file LICENSE, and is        |

// | available at through the world-wide-web at                           |

// | http://www.php.net/license/2_02.txt.                                 |

// | If you did not receive a copy of the PHP license and are unable to   |

// | obtain it through the world-wide-web, please send a note to          |

// | license@php.net so we can mail you a copy immediately.               |

// +----------------------------------------------------------------------+

// | Author: Chuck Hagenbuch <chuck@horde.org>                            |

// +----------------------------------------------------------------------+

/**

 * Sendmail implementation of the PEAR Mail:: interface.

 * @access public

 * @package Mail

 * @version $Revision: 294744 $

 */

class Mail_sendmail extends Mail {

    /**

     * The location of the sendmail or sendmail wrapper binary on the

     * filesystem.

     * @var string

     */

    var $sendmail_path = '/usr/sbin/sendmail';

    /**

     * Any extra command-line parameters to pass to the sendmail or

     * sendmail wrapper binary.

     * @var string

     */

    var $sendmail_args = '-i';

    /**

     * Constructor.

     *

     * Instantiates a new Mail_sendmail:: object based on the parameters

     * passed in. It looks for the following parameters:

     *     sendmail_path    The location of the sendmail binary on the

     *                      filesystem. Defaults to '/usr/sbin/sendmail'.

     *

     *     sendmail_args    Any extra parameters to pass to the sendmail

     *                      or sendmail wrapper binary.

     *

     * If a parameter is present in the $params array, it replaces the

     * default.

     *

     * @param array $params Hash containing any parameters different from the

     *              defaults.

     * @access public

     */

    function Mail_sendmail($params)

    {

        if (isset($params['sendmail_path'])) {

            $this->sendmail_path = $params['sendmail_path'];

        }

        if (isset($params['sendmail_args'])) {

            $this->sendmail_args = $params['sendmail_args'];

        }

        /*

         * Because we need to pass message headers to the sendmail program on

         * the commandline, we can't guarantee the use of the standard "\r\n"

         * separator.  Instead, we use the system's native line separator.

         */

        if (defined('PHP_EOL')) {

            $this->sep = PHP_EOL;

        } else {

            $this->sep = (strpos(PHP_OS, 'WIN') === false) ? "\n" : "\r\n";

        }

    }

    /**

     * Implements Mail::send() function using the sendmail

     * command-line binary.

     *

     * @param mixed $recipients Either a comma-seperated list of recipients

     *              (RFC822 compliant), or an array of recipients,

     *              each RFC822 valid. This may contain recipients not

     *              specified in the headers, for Bcc:, resending

     *              messages, etc.

     *

     * @param array $headers The array of headers to send with the mail, in an

     *              associative array, where the array key is the

     *              header name (ie, 'Subject'), and the array value

     *              is the header value (ie, 'test'). The header

     *              produced from those values would be 'Subject:

     *              test'.

     *

     * @param string $body The full text of the message body, including any

     *               Mime parts, etc.

     *

     * @return mixed Returns true on success, or a PEAR_Error

     *               containing a descriptive error message on

     *               failure.

     * @access public

     */

    function send($recipients, $headers, $body)

    {

        if (!is_array($headers)) {

            return PEAR::raiseError('$headers must be an array');

        }

        $result = $this->_sanitizeHeaders($headers);

        if (is_a($result, 'PEAR_Error')) {

            return $result;

        }

        $recipients = $this->parseRecipients($recipients);

        if (is_a($recipients, 'PEAR_Error')) {

            return $recipients;

        }

        $recipients = implode(' ', array_map('escapeshellarg', $recipients));

        $headerElements = $this->prepareHeaders($headers);

        if (is_a($headerElements, 'PEAR_Error')) {

            return $headerElements;

        }

        list($from, $text_headers) = $headerElements;

        /* Since few MTAs are going to allow this header to be forged

         * unless it's in the MAIL FROM: exchange, we'll use

         * Return-Path instead of From: if it's set. */

        if (!empty($headers['Return-Path'])) {

            $from = $headers['Return-Path'];

        }

        if (!isset($from)) {

            return PEAR::raiseError('No from address given.');

        } elseif (strpos($from, ' ') !== false ||

                  strpos($from, ';') !== false ||

                  strpos($from, '&') !== false ||

                  strpos($from, '`') !== false) {

            return PEAR::raiseError('From address specified with dangerous characters.');

        }

        $from = escapeshellarg($from); // Security bug #16200

        $mail = @popen($this->sendmail_path . (!empty($this->sendmail_args) ? ' ' . $this->sendmail_args : '') . " -f$from -- $recipients", 'w');

        if (!$mail) {

            return PEAR::raiseError('Failed to open sendmail [' . $this->sendmail_path . '] for execution.');

        }

        // Write the headers following by two newlines: one to end the headers

        // section and a second to separate the headers block from the body.

        fputs($mail, $text_headers . $this->sep . $this->sep);

        fputs($mail, $body);

        $result = pclose($mail);

        if (version_compare(phpversion(), '4.2.3') == -1) {

            // With older php versions, we need to shift the pclose

            // result to get the exit code.

            $result = $result >> 8 & 0xFF;

        }

        if ($result != 0) {

            return PEAR::raiseError('sendmail returned error code ' . $result,

                                    $result);

        }

        return true;

    }

}