This file is indexed.

/usr/share/php/Log/mail.php is in php-log 1.12.7-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
<?php
/**
 * $Header$
 *
 * @version $Revision: 266658 $
 * @package Log
 */

/**
 * The Log_mail class is a concrete implementation of the Log:: abstract class
 * which sends log messages to a mailbox.
 * The mail is actually sent when you close() the logger, or when the destructor
 * is called (when the script is terminated).
 *
 * PLEASE NOTE that you must create a Log_mail object using =&, like this :
 *  $logger =& Log::factory("mail", "recipient@example.com", ...)
 *
 * This is a PEAR requirement for destructors to work properly.
 * See http://pear.php.net/manual/en/class.pear.php
 *
 * @author  Ronnie Garcia <ronnie@mk2.net>
 * @author  Jon Parise <jon@php.net>
 * @since   Log 1.3
 * @package Log
 *
 * @example mail.php    Using the mail handler.
 */
class Log_mail extends Log
{
    /**
     * String holding the recipients' email addresses.  Multiple addresses
     * should be separated with commas.
     * @var string
     * @access private
     */
    var $_recipients = '';

    /**
     * String holding the sender's email address.
     * @var string
     * @access private
     */
    var $_from = '';

    /**
     * String holding the email's subject.
     * @var string
     * @access private
     */
    var $_subject = '[Log_mail] Log message';

    /**
     * String holding an optional preamble for the log messages.
     * @var string
     * @access private
     */
    var $_preamble = '';

    /**
     * String containing the format of a log line.
     * @var string
     * @access private
     */
    var $_lineFormat = '%1$s %2$s [%3$s] %4$s';

    /**
     * String containing the timestamp format.  It will be passed directly to
     * strftime().  Note that the timestamp string will generated using the
     * current locale.
     * @var string
     * @access private
     */
    var $_timeFormat = '%b %d %H:%M:%S';

    /**
     * String holding the mail message body.
     * @var string
     * @access private
     */
    var $_message = '';

    /**
     * Flag used to indicated that log lines have been written to the message
     * body and the message should be sent on close().
     * @var boolean
     * @access private
     */
    var $_shouldSend = false;

    /**
     * String holding the backend name of PEAR::Mail
     * @var string
     * @access private
     */
    var $_mailBackend = '';

    /**
     * Array holding the params for PEAR::Mail
     * @var array
     * @access private
     */
    var $_mailParams = array();

    /**
     * Constructs a new Log_mail object.
     *
     * Here is how you can customize the mail driver with the conf[] hash :
     *   $conf['from']:        the mail's "From" header line,
     *   $conf['subject']:     the mail's "Subject" line.
     *   $conf['mailBackend']: backend name of PEAR::Mail
     *   $conf['mailParams']:  parameters for the PEAR::Mail backend
     *
     * @param string $name      The message's recipients.
     * @param string $ident     The identity string.
     * @param array  $conf      The configuration array.
     * @param int    $level     Log messages up to and including this level.
     * @access public
     */
    function Log_mail($name, $ident = '', $conf = array(),
                      $level = PEAR_LOG_DEBUG)
    {
        $this->_id = md5(microtime());
        $this->_recipients = $name;
        $this->_ident = $ident;
        $this->_mask = Log::UPTO($level);

        if (!empty($conf['from'])) {
            $this->_from = $conf['from'];
        } else {
            $this->_from = ini_get('sendmail_from');
        }

        if (!empty($conf['subject'])) {
            $this->_subject = $conf['subject'];
        }

        if (!empty($conf['preamble'])) {
            $this->_preamble = $conf['preamble'];
        }

        if (!empty($conf['lineFormat'])) {
            $this->_lineFormat = str_replace(array_keys($this->_formatMap),
                                             array_values($this->_formatMap),
                                             $conf['lineFormat']);
        }

        if (!empty($conf['timeFormat'])) {
            $this->_timeFormat = $conf['timeFormat'];
        }

        if (!empty($conf['mailBackend'])) {
            $this->_mailBackend = $conf['mailBackend'];
        }

        if (!empty($conf['mailParams'])) {
            $this->_mailParams = $conf['mailParams'];
        }

        /* register the destructor */
        register_shutdown_function(array(&$this, '_Log_mail'));
    }

    /**
     * Destructor. Calls close().
     *
     * @access private
     */
    function _Log_mail()
    {
        $this->close();
    }

    /**
     * Starts a new mail message.
     * This is implicitly called by log(), if necessary.
     *
     * @access public
     */
    function open()
    {
        if (!$this->_opened) {
            if (!empty($this->_preamble)) {
                $this->_message = $this->_preamble . "\r\n\r\n";
            }
            $this->_opened = true;
            $_shouldSend = false;
        }

        return $this->_opened;
    }

    /**
     * Closes the message, if it is open, and sends the mail.
     * This is implicitly called by the destructor, if necessary.
     *
     * @access public
     */
    function close()
    {
        if ($this->_opened) {
            if ($this->_shouldSend && !empty($this->_message)) {
                if ($this->_mailBackend === '') {  // use mail()
                    $headers = "From: $this->_from\r\n";
                    $headers .= 'User-Agent: PEAR Log Package';
                    if (mail($this->_recipients, $this->_subject,
                             $this->_message, $headers) == false) {
                        return false;
                    }
                } else {  // use PEAR::Mail
                    include_once 'Mail.php';
                    $headers = array('From' => $this->_from,
                                     'To' => $this->_recipients,
                                     'User-Agent' => 'PEAR Log Package',
                                     'Subject' => $this->_subject);
                    $mailer = &Mail::factory($this->_mailBackend,
                                             $this->_mailParams);
                    $res = $mailer->send($this->_recipients, $headers,
                                         $this->_message);
                    if (PEAR::isError($res)) {
                        return false;
                    }
                }

                /* Clear the message string now that the email has been sent. */
                $this->_message = '';
                $this->_shouldSend = false;
            }
            $this->_opened = false;
        }

        return ($this->_opened === false);
    }

    /**
     * Flushes the log output by forcing the email message to be sent now.
     * Events that are logged after flush() is called will be appended to a
     * new email message.
     *
     * @access public
     * @since Log 1.8.2
     */
    function flush()
    {
        /*
         * It's sufficient to simply call close() to flush the output.
         * The next call to log() will cause the handler to be reopened.
         */
        return $this->close();
    }

    /**
     * Writes $message to the currently open mail message.
     * Calls open(), if necessary.
     *
     * @param mixed  $message  String or object containing the message to log.
     * @param string $priority The priority of the message.  Valid
     *                  values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
     *                  PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
     *                  PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
     * @return boolean  True on success or false on failure.
     * @access public
     */
    function log($message, $priority = null)
    {
        /* If a priority hasn't been specified, use the default value. */
        if ($priority === null) {
            $priority = $this->_priority;
        }

        /* Abort early if the priority is above the maximum logging level. */
        if (!$this->_isMasked($priority)) {
            return false;
        }

        /* If the message isn't open and can't be opened, return failure. */
        if (!$this->_opened && !$this->open()) {
            return false;
        }

        /* Extract the string representation of the message. */
        $message = $this->_extractMessage($message);

        /* Append the string containing the complete log line. */
        $this->_message .= $this->_format($this->_lineFormat,
                                          strftime($this->_timeFormat),
                                          $priority, $message) . "\r\n";
        $this->_shouldSend = true;

        /* Notify observers about this log message. */
        $this->_announce(array('priority' => $priority, 'message' => $message));

        return true;
    }
}