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<?php
/**
* example milter script
*
* run: php-milter -D -p /path/to/sock milter.php
*
* for details on how to set up sendmail and configure the milter see
* http://www.sendmail.com/partner/resources/development/milter_api/
*
* for api details see
* http://www.sendmail.com/partner/resources/development/milter_api/api.html
*
* below is a list of all callbacks, that are available through the milter sapi,
* if you leave one or more out they simply won't get called (e.g. if you secify an
* empty php file, the milter would do nothing :)
*/
/**
* this function is called once on sapi startup,
* here you can specify the actions the filter may take
*
* see http://www.sendmail.com/partner/resources/development/milter_api/smfi_register.html#flags
*/
function milter_log($msg)
{
$GLOBALS['log'] = fopen("/tmp/milter.log", "a");
fwrite($GLOBALS['log'], date("[H:i:s d.m.Y]") . "\t{$msg}\n");
fclose($GLOBALS['log']);
}
function milter_init() {
milter_log("-- startup --");
milter_log("milter_init()");
smfi_setflags(SMFIF_ADDHDRS);
}
/**
* is called once, at the start of each SMTP connection
*/
function milter_connect($connect)
{
milter_log("milter_connect('$connect')");
}
/**
* is called whenever the client sends a HELO/EHLO command.
* It may therefore be called between zero and three times.
*/
function milter_helo($helo)
{
milter_log("milter_helo('$helo')");
}
/**
* is called once at the beginning of each message,
* before milter_envrcpt.
*/
function milter_envfrom($args)
{
milter_log("milter_envfrom(args[])");
foreach ($args as $ix => $arg) {
milter_log("\targs[$ix] = $arg");
}
}
/**
* is called once per recipient, hence one or more times per message,
* immediately after milter_envfrom
*/
function milter_envrcpt($args)
{
milter_log("milter_envrcpt(args[])");
foreach ($args as $ix => $arg) {
milter_log("\targs[$ix] = $arg");
}
}
/**
* is called zero or more times between milter_envrcpt and milter_eoh,
* once per message header
*/
function milter_header($header, $value)
{
milter_log("milter_header('$header', '$value')");
}
/**
* is called once after all headers have been sent and processed.
*/
function milter_eoh()
{
milter_log("milter_eoh()");
}
/**
* is called zero or more times between milter_eoh and milter_eom.
*/
function milter_body($bodypart)
{
milter_log("milter_body('$bodypart')");
}
/**
* is called once after all calls to milter_body for a given message.
* most of the api functions, that alter the message can only be called
* within this callback.
*/
function milter_eom()
{
milter_log("milter_eom()");
/* add PHP header to the message */
smfi_addheader("X-PHP", phpversion());
}
/**
* may be called at any time during message processing
* (i.e. between some message-oriented routine and milter_eom).
*/
function milter_abort()
{
milter_log("milter_abort()");
}
/**
* is always called once at the end of each connection.
*/
function milter_close()
{
milter_log("milter_close()");
}
?>
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