<?php
+
/**
* Deliver_SMTP.class.php
*
- * Copyright (c) 1999-2003 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
* Delivery backend for the Deliver class.
*
- * $Id$
+ * @copyright © 1999-2005 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
*/
+/** This of course depends upon Deliver */
require_once(SM_PATH . 'class/deliver/Deliver.class.php');
+/**
+ * Deliver messages using SMTP
+ * @package squirrelmail
+ */
class Deliver_SMTP extends Deliver {
function preWriteToStream(&$s) {
- if ($s) {
- if ($s{0} == '.') $s = '.' . $s;
- $s = str_replace("\n.","\n..",$s);
- }
+ if ($s) {
+ if ($s{0} == '.') $s = '.' . $s;
+ $s = str_replace("\n.","\n..",$s);
+ }
}
-
+
function initStream($message, $domain, $length=0, $host='', $port='', $user='', $pass='', $authpop=false) {
- global $use_smtp_tls,$smtp_auth_mech,$username,$key,$onetimepad;
-
- if ($authpop) {
- $this->authPop($host, '', $username, $pass);
- }
-
- $rfc822_header = $message->rfc822_header;
- $from = $rfc822_header->from[0];
- $to = $rfc822_header->to;
- $cc = $rfc822_header->cc;
- $bcc = $rfc822_header->bcc;
-
- if (($use_smtp_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) {
- $stream = fsockopen('tls://' . $host, $port, $errorNumber, $errorString);
- } else {
- $stream = fsockopen($host, $port, $errorNumber, $errorString);
- }
-
- if (!$stream) {
- $this->dlv_msg = $errorString;
- $this->dlv_ret_nr = $errorNumber;
- return(0);
- }
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
-
- /*
- * If $_SERVER['HTTP_HOST'] is set, use that in our HELO to the SMTP
- * server. This should fix the DNS issues some people have had
- */
- if (sqgetGlobalVar('HTTP_HOST', $HTTP_HOST, SQ_SERVER)) { // HTTP_HOST is set
- // optionally trim off port number
- if($p = strrpos($HTTP_HOST, ':')) {
- $HTTP_HOST = substr($HTTP_HOST, 0, $p);
+ global $use_smtp_tls,$smtp_auth_mech;
+
+ if ($authpop) {
+ $this->authPop($host, '', $user, $pass);
}
- $helohost = $HTTP_HOST;
- } else { // For some reason, HTTP_HOST is not set - revert to old behavior
- $helohost = $domain;
- }
-
- /* Lets introduce ourselves */
- fputs($stream, "EHLO $helohost\r\n");
- $tmp = fgets($stream,1024);
- if ($this->errorCheck($tmp,$stream)) {
- return(0);
- }
- if (( $smtp_auth_mech == 'cram-md5') or ( $smtp_auth_mech == 'digest-md5' )) {
- // Doing some form of non-plain auth
- if ($smtp_auth_mech == 'cram-md5') {
- fputs($stream, "AUTH CRAM-MD5\r\n");
- } elseif ($smtp_auth_mech == 'digest-md5') {
- fputs($stream, "AUTH DIGEST-MD5\r\n");
- }
-
- $tmp = fgets($stream,1024);
-
- if ($this->errorCheck($tmp,$stream)) {
- return(0);
- }
-
- // At this point, $tmp should hold "334 <challenge string>"
- $chall = substr($tmp,4);
- // Depending on mechanism, generate response string
- if ($smtp_auth_mech == 'cram-md5') {
- $response = cram_md5_response($username,$pass,$chall);
- } elseif ($smtp_auth_mech == 'digest-md5') {
- $response = digest_md5_response($username,$pass,$chall,'smtp',$host);
- }
- fputs($stream, $response);
-
- // Let's see what the server had to say about that
- $tmp = fgets($stream,1024);
- if ($this->errorCheck($tmp,$stream)) {
- return(0);
- }
-
- // CRAM-MD5 is done at this point. If DIGEST-MD5, there's a bit more to go
- if ($smtp_auth_mech == 'digest-md5')
- {
- // $tmp contains rspauth, but I don't store that yet. (No need yet)
- fputs($stream,"\r\n");
- $tmp = fgets($stream,1024);
-
- if ($this->errorCheck($tmp,$stream)) {
- return(0);
- }
- }
- // CRAM-MD5 and DIGEST-MD5 code ends here
- } elseif ($smtp_auth_mech == 'none') {
- // No auth at all, just send helo and then send the mail
- // We already said hi earlier, nothing more is needed.
- } elseif ($smtp_auth_mech == 'login') {
- // The LOGIN method
- fputs($stream, "AUTH LOGIN\r\n");
- $tmp = fgets($stream, 1024);
-
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- fputs($stream, base64_encode ($username) . "\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
-
- fputs($stream, base64_encode($pass) . "\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- } elseif ($smtp_auth_mech == "plain") {
- /* SASL Plain */
- $auth = base64_encode("$username\0$username\0$pass");
-
- $query = "AUTH PLAIN\r\n";
- fputs($stream, $query);
- $read=fgets($stream, 1024);
-
- if (substr($read,0,3) == '334') { // OK so far..
- fputs($stream, "$auth\r\n");
- $read = fgets($stream, 1024);
- }
-
- $results=explode(" ",$read,3);
- $response=$results[1];
- $message=$results[2];
-
-
- } else {
- /* Right here, they've reached an unsupported auth mechanism.
- This is the ugliest hack I've ever done, but it'll do till I can fix
- things up better tomorrow. So tired... */
- if ($this->errorCheck("535 Unable to use this auth type",$stream)) {
- return(0);
- }
- }
-
- /* Ok, who is sending the message? */
- fputs($stream, 'MAIL FROM:<'.$from->mailbox.'@'.$from->host.">\r\n");
+ $rfc822_header = $message->rfc822_header;
+
+ $from = $rfc822_header->from[0];
+ $to = $rfc822_header->to;
+ $cc = $rfc822_header->cc;
+ $bcc = $rfc822_header->bcc;
+ $content_type = $rfc822_header->content_type;
+
+ // MAIL FROM: <from address> MUST be empty in cae of MDN (RFC2298)
+ if ($content_type->type0 == 'multipart' &&
+ $content_type->type1 == 'report' &&
+ isset($content_type->properties['report-type']) &&
+ $content_type->properties['report-type']=='disposition-notification') {
+ $from->host = '';
+ $from->mailbox = '';
+ }
+
+ if (($use_smtp_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) {
+ $stream = @fsockopen('tls://' . $host, $port, $errorNumber, $errorString);
+ } else {
+ $stream = @fsockopen($host, $port, $errorNumber, $errorString);
+ }
+
+ if (!$stream) {
+ $this->dlv_msg = $errorString;
+ $this->dlv_ret_nr = $errorNumber;
+ $this->dlv_server_msg = '';
+ return(0);
+ }
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+
+ /*
+ * If $_SERVER['HTTP_HOST'] is set, use that in our HELO to the SMTP
+ * server. This should fix the DNS issues some people have had
+ */
+ if (sqgetGlobalVar('HTTP_HOST', $HTTP_HOST, SQ_SERVER)) { // HTTP_HOST is set
+ // optionally trim off port number
+ if($p = strrpos($HTTP_HOST, ':')) {
+ $HTTP_HOST = substr($HTTP_HOST, 0, $p);
+ }
+ $helohost = $HTTP_HOST;
+ } else { // For some reason, HTTP_HOST is not set - revert to old behavior
+ $helohost = $domain;
+ }
+
+ /* Lets introduce ourselves */
+ fputs($stream, "EHLO $helohost\r\n");
+ $tmp = fgets($stream,1024);
+ if ($this->errorCheck($tmp,$stream)) {
+ // fall back to HELO if EHLO is not supported
+ if ($this->dlv_ret_nr == '500') {
+ fputs($stream, "HELO $helohost\r\n");
+ $tmp = fgets($stream,1024);
+ if ($this->errorCheck($tmp,$stream)) {
+ return(0);
+ }
+ } else {
+ return(0);
+ }
+ }
+
+ if (( $smtp_auth_mech == 'cram-md5') or ( $smtp_auth_mech == 'digest-md5' )) {
+ // Doing some form of non-plain auth
+ if ($smtp_auth_mech == 'cram-md5') {
+ fputs($stream, "AUTH CRAM-MD5\r\n");
+ } elseif ($smtp_auth_mech == 'digest-md5') {
+ fputs($stream, "AUTH DIGEST-MD5\r\n");
+ }
+
+ $tmp = fgets($stream,1024);
+
+ if ($this->errorCheck($tmp,$stream)) {
+ return(0);
+ }
+
+ // At this point, $tmp should hold "334 <challenge string>"
+ $chall = substr($tmp,4);
+ // Depending on mechanism, generate response string
+ if ($smtp_auth_mech == 'cram-md5') {
+ $response = cram_md5_response($user,$pass,$chall);
+ } elseif ($smtp_auth_mech == 'digest-md5') {
+ $response = digest_md5_response($user,$pass,$chall,'smtp',$host);
+ }
+ fputs($stream, $response);
+
+ // Let's see what the server had to say about that
+ $tmp = fgets($stream,1024);
+ if ($this->errorCheck($tmp,$stream)) {
+ return(0);
+ }
+
+ // CRAM-MD5 is done at this point. If DIGEST-MD5, there's a bit more to go
+ if ($smtp_auth_mech == 'digest-md5') {
+ // $tmp contains rspauth, but I don't store that yet. (No need yet)
+ fputs($stream,"\r\n");
+ $tmp = fgets($stream,1024);
+
+ if ($this->errorCheck($tmp,$stream)) {
+ return(0);
+ }
+ }
+ // CRAM-MD5 and DIGEST-MD5 code ends here
+ } elseif ($smtp_auth_mech == 'none') {
+ // No auth at all, just send helo and then send the mail
+ // We already said hi earlier, nothing more is needed.
+ } elseif ($smtp_auth_mech == 'login') {
+ // The LOGIN method
+ fputs($stream, "AUTH LOGIN\r\n");
+ $tmp = fgets($stream, 1024);
+
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ fputs($stream, base64_encode ($user) . "\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+
+ fputs($stream, base64_encode($pass) . "\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ } elseif ($smtp_auth_mech == "plain") {
+ /* SASL Plain */
+ $auth = base64_encode("$user\0$user\0$pass");
+
+ $query = "AUTH PLAIN\r\n";
+ fputs($stream, $query);
+ $read=fgets($stream, 1024);
+
+ if (substr($read,0,3) == '334') { // OK so far..
+ fputs($stream, "$auth\r\n");
+ $read = fgets($stream, 1024);
+ }
+
+ $results=explode(" ",$read,3);
+ $response=$results[1];
+ $message=$results[2];
+ } else {
+ /* Right here, they've reached an unsupported auth mechanism.
+ This is the ugliest hack I've ever done, but it'll do till I can fix
+ things up better tomorrow. So tired... */
+ if ($this->errorCheck("535 Unable to use this auth type",$stream)) {
+ return(0);
+ }
+ }
+
+ /* Ok, who is sending the message? */
+ $fromaddress = ($from->mailbox && $from->host) ?
+ $from->mailbox.'@'.$from->host : '';
+ fputs($stream, 'MAIL FROM:<'.$fromaddress.">\r\n");
$tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
-
- /* send who the recipients are */
- for ($i = 0, $cnt = count($to); $i < $cnt; $i++) {
- if (!$to[$i]->host) $to[$i]->host = $domain;
- if ($to[$i]->mailbox) {
- fputs($stream, 'RCPT TO:<'.$to[$i]->mailbox.'@'.$to[$i]->host.">\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- }
- }
-
- for ($i = 0, $cnt = count($cc); $i < $cnt; $i++) {
- if (!$cc[$i]->host) $cc[$i]->host = $domain;
- if ($cc[$i]->mailbox) {
- fputs($stream, 'RCPT TO:<'.$cc[$i]->mailbox.'@'.$cc[$i]->host.">\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- }
- }
-
- for ($i = 0, $cnt = count($bcc); $i < $cnt; $i++) {
- if (!$bcc[$i]->host) $bcc[$i]->host = $domain;
- if ($bcc[$i]->mailbox) {
- fputs($stream, 'RCPT TO:<'.$bcc[$i]->mailbox.'@'.$bcc[$i]->host.">\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- }
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
}
- /* Lets start sending the actual message */
- fputs($stream, "DATA\r\n");
- $tmp = fgets($stream, 1024);
- if ($this->errorCheck($tmp, $stream)) {
- return(0);
- }
- return $stream;
+
+ /* send who the recipients are */
+ for ($i = 0, $cnt = count($to); $i < $cnt; $i++) {
+ if (!$to[$i]->host) $to[$i]->host = $domain;
+ if ($to[$i]->mailbox) {
+ fputs($stream, 'RCPT TO:<'.$to[$i]->mailbox.'@'.$to[$i]->host.">\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ }
+ }
+
+ for ($i = 0, $cnt = count($cc); $i < $cnt; $i++) {
+ if (!$cc[$i]->host) $cc[$i]->host = $domain;
+ if ($cc[$i]->mailbox) {
+ fputs($stream, 'RCPT TO:<'.$cc[$i]->mailbox.'@'.$cc[$i]->host.">\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ }
+ }
+
+ for ($i = 0, $cnt = count($bcc); $i < $cnt; $i++) {
+ if (!$bcc[$i]->host) $bcc[$i]->host = $domain;
+ if ($bcc[$i]->mailbox) {
+ fputs($stream, 'RCPT TO:<'.$bcc[$i]->mailbox.'@'.$bcc[$i]->host.">\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ }
+ }
+ /* Lets start sending the actual message */
+ fputs($stream, "DATA\r\n");
+ $tmp = fgets($stream, 1024);
+ if ($this->errorCheck($tmp, $stream)) {
+ return(0);
+ }
+ return $stream;
}
-
+
function finalizeStream($stream) {
- fputs($stream, ".\r\n"); /* end the DATA part */
- $tmp = fgets($stream, 1024);
- $this->errorCheck($tmp, $stream);
- if ($this->dlv_ret_nr != 250) {
- return(0);
- }
- fputs($stream, "QUIT\r\n"); /* log off */
- fclose($stream);
- return true;
+ fputs($stream, "\r\n.\r\n"); /* end the DATA part */
+ $tmp = fgets($stream, 1024);
+ $this->errorCheck($tmp, $stream);
+ if ($this->dlv_ret_nr != 250) {
+ return(0);
+ }
+ fputs($stream, "QUIT\r\n"); /* log off */
+ fclose($stream);
+ return true;
}
-
+
/* check if an SMTP reply is an error and set an error message) */
function errorCheck($line, $smtpConnection) {
$server_msg .= substr($line, 4);
}
- if ( ((int) $err_num{0}) < 4)
- {
- return false;
+ if ( ((int) $err_num{0}) < 4) {
+ return false;
}
switch ($err_num) {
case '503': $message = _("Bad sequence of commands");
break;
case '504': $message = _("Command parameter not implemented");
- break;
+ break;
case '530': $message = _("Authentication required");
break;
case '534': $message = _("Authentication mechanism is too weak");
return true;
}
-
+
function authPop($pop_server='', $pop_port='', $user, $pass) {
if (!$pop_port) {
$pop_port = 110;
$popConnection = fsockopen($pop_server, $pop_port, $err_no, $err_str);
if (!$popConnection) {
error_log("Error connecting to POP Server ($pop_server:$pop_port)"
- . " $err_no : $err_str");
+ . " $err_no : $err_str");
} else {
$tmp = fgets($popConnection, 1024); /* banner */
if (substr($tmp, 0, 3) != '+OK') {
}
}
-?>
+?>
\ No newline at end of file
projects / squirrelmail.git / blobdiff