<?php
/**
* Sendmail implementation of the PEAR Mail interface.
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2010-2017, Chuck Hagenbuch & Jon Parise
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Mail
* @package Mail
* @author Jon Parise <jon@php.net>
* @author Chuck Hagenbuch <chuck@horde.org>
* @copyright 2010-2017 Chuck Hagenbuch
* @license http://opensource.org/licenses/BSD-3-Clause New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/Mail/
*/
/**
* Sendmail implementation of the PEAR Mail:: interface.
* @access public
* @package Mail
* @version $Revision$
*/
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 $params Hash containing any parameters different from the
* defaults.
*/
public function __construct($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 $body The full text of the message body, including any
* Mime parts, etc.
*
* @return mixed Returns true on success, or a PEAR_Error
* containing a descriptive error message on
* failure.
*/
public function send($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;
}
}