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Code Editor : ftpmail.html

<!DOCTYPE html>
<html>
<head>
<title>ftpmail: Automated Email Notifications of Uploads</title>
</head>

<hr>
<center>
<h2><code>ftpmail</code>: Automated Email Notifications of Uploads</h2>
</center>
<hr>

The <code>ftpmail</code> program is a Perl script designed to read
ProFTPD's <code>TransferLog</code> log entries, watching for uploads, and
to send an automatic email notification when uploads occur. To use
<code>ftpmail</code>, you configure your <code>proftpd</code> daemon to
write its <code>TransferLog</code> to a <a href="http://www.proftpd.org/docs/howto/Logging.html#FIFOs">FIFO</a>; the <code>ftpmail</code> program is a FIFO
reading program which then processes those log messages.

The most current version of <code>ftpmail</code> is distributed with the
ProFTPD source code.

<h2>Author</h2>

Please contact TJ Saunders &lt;tj at castaglia.org&gt; with any
questions, concerns, or suggestions regarding this program.

<hr> 
<h2><a name="Usage">Usage</a></h2>
First, you have the following Perl modules installed:
<ul>
 <li>Mail::Sendmail
 <li>Time::HiRes
</ul>
You can easily determine if your Perl has these modules present, using:
<pre>
 $ perl -MMail::Sendmail -e0
 $ perl -MTime::HiRes -e0
</pre>
If you see an error similar to:
<pre>
 Can't location Mail/Sendmail.pm in @INC (@INC contains: ...)
</pre>
it means that you do not have that Perl module installed. Go to <a href="http://search.cpan.org">search.cpan.org</a> to download the latest versions of
these modules, and install them as per their instructions.

Next, you need to create the FIFO that <code>ftpmail</code> will read from.
See the <code>mkfifo(1)</code> man page for instructions on how to create
a FIFO. Note that you must use <code>mkfifo</code> to create a FIFO;
using an ordinary file that happens to have a ".fifo" extension will not work
for this.

After that, you need to start <code>ftpmail</code> running, before
starting <code>proftpd</code>. For example, you might do:
<pre>
 $ ./ftpmail \
 --fifo=/var/proftpd/log/transfer.fifo \
 --from='tj@castaglia.org' \
 --recipient='tj@castaglia.org' \
 --smtp-server=mail.domain.com \
 --attach-file \
 --log=/var/proftpd/log/transfer.log &amp;
</pre>
The key is to make <code>ftpmail</code> run in the background, so that it is
constantly running. If the <code>ftpmail</code> process dies, then
<code>proftpd</code> will not be able to write the <code>TransferLog</code>.

The next step is to configure your <code>proftpd</code> daemon to write to
the FIFO you created. Thus in your <code>proftpd.conf</code>, you would
use the same path as given to <code>ftpmail</code>'s <code>--fifo</code>
option, e.g.:
<pre>
 TransferLog /var/proftpd/log/transfer.fifo
</pre>
 

Then start <code>proftpd</code>, log in, upload a file, and see what happens.
One user modified their <code>init</code> for <code>proftpd</code> such
that the <code>ftpmail</code> program was automatically started before
the <code>proftpd</code> daemon was started.

Options 
The following shows the full list of <code>ftpmail</code> options; this
can also be obtained by running:
<pre>
 $ ftpmail --help

usage: ftpmail [--help] [--fifo $path] [--from $addr] [--log $path]
    [--recipient $addrs] [--upload-recipient \$addrs]
    [--download-recipient $addrs] [--subject $string] [--smtp-server $addr]
    [--attach-file] [--ignore-users $regex | --watch-users $regex]

The purpose of this script is to monitor the TransferLog written by proftpd
  for uploaded files.  Whenever a file is uploaded by a user, an email
  will be sent to the specified recipients.  In the email there will be
  the timestamp, the name of the user who uploaded the file, the path to
  the uploaded file, the size of the uploaded file, and the time it took
  to upload.

Command-line options:

--attach-file         If used, this will cause a copy of the uploaded file
                          to be included, as an attachment, in the generated
                          email.

--auth $path          Configures the path to a file containing SMTP
                          authentication information.

The configured file should look like this:

user = $user
                              password = $password

--fifo $path          Indicates the path to the FIFO to which proftpd is
                          writing its TransferLog.  That is, this is the path
                          that you used for the TransferLog directive in your
                          proftpd.conf.  This parameter is REQUIRED.

--from $addr          Specifies the email address to use in the From header.
                          This parameter is REQUIRED.

--help                Displays this message.

--ignore-users $regex Specifies a Perl regular expression.  If the
                          uploading user name matches this regular expression,
                          then an email notification is NOT sent; otherwise,
                          an email is sent.

--log $path           Since this script reads the TransferLog using FIFOs,
                          the actual TransferLog file is not written by default.
                          Use this option to write the normal TransferLog file,
                          in addition to watching for uploads.

--recipient $addr     Specifies an email address to which to send an email
                          notification of the upload.  This option can be
                          used multiple times to specify multiple recipients.
                          AT LEAST ONE recipient is REQUIRED.

--upload-recipient $addr
                          Same as --recipient.

--download-recipient $addr
                          Specifies an email address to which to send an email
                          notification of the download.  This option can be
                          used multiple times to specify multiple recipients.

If this option is specified, then ftpmail will watch
                          for FTP downloads as well as uploads.

--smtp-server $addr   Specifies the SMTP server to which to send the email.
                          This parameter is REQUIRED.

--subject $string     Specify a custom Subject header for the email sent.
                          The default Subject is:

User '$user' uploaded file '$file' via FTP

--watch-users $regex Specifies a Perl regular expression. If the
 uploading user name matches this regular expression,
 then an email notification is sent; otherwise,
 no email is sent.
</pre>

<a name="FAQ"></a>
FAQ

Question: I would like to use <code>ftpmail</code>
to send emails, but only for files uploaded to specific domains. How do
I do this? 
Answer: To do this, you will need to configure
different <code>TransferLog</code> files in your different
<code>&lt;VirtualHost&gt;</code> sections in your <code>proftpd.conf</code>.

The TransferLog file format does not include a field indicating the IP
address (or DNS name) of the server on which the file transfer is occurring.
This means that <code>ftpmail</code> does not know which server is handling
the transfer. So, in order to have <code>ftpmail</code> send emails only
for certain domains/servers, you will have to do something like:
<pre>
 &lt;VirtualHost a.b.c.d&gt;
 ...
 TransferLog /path/to/vhost1.xferlog
 ..
 &lt;/VirtualHost&gt;

&lt;VirtualHost e.f.g.h&gt;
 ...
 TransferLog /path/to/vhost2.xferlog
 ...
 &lt;/VirtualHost&gt;
</pre>
Then start instances of <code>ftpmail</code> running, but only for the
<code>TransferLog</code> files of the domains/virtual servers to be monitored.

</body>
</html>

${this.title}

Code Editor : ftpmail.html