-<?
+<?php
/** smtp.php
**
** This contains all the functions needed to send messages through
- ** an smtp server.
+ ** an smtp server or sendmail.
**/
+ $smtp_php = true;
+
+ // This should most probably go to some initialization...
+ if (ereg("^([^@%/]+)[@%/](.+)$", $username, $usernamedata)) {
+ $popuser = $usernamedata[1];
+ $domain = $usernamedata[2];
+ unset($usernamedata);
+ } else {
+ $popuser = $username;
+ }
+ // We need domain for smtp
+ if (!$domain)
+ $domain = getenv("HOSTNAME");
+
+ // Returns true only if this message is multipart
+ function isMultipart () {
+ global $attachments;
+
+ if (count($attachments)>0)
+ return true;
+ else
+ return false;
+ }
+
+ // Attach the files that are due to be attached
+ function attachFiles ($fp) {
+ global $attachments, $attachment_dir;
+
+ $length = 0;
+
+ if (isMultipart()) {
+ reset($attachments);
+ while (list($localname, $remotename) = each($attachments)) {
+ // This is to make sure noone is giving a filename in another
+ // directory
+ $localname = ereg_replace ("\\/", "", $localname);
+
+ $fileinfo = fopen ($attachment_dir.$localname.".info", "r");
+ $filetype = fgets ($fileinfo, 8192);
+ fclose ($fileinfo);
+ $filetype = trim ($filetype);
+ if ($filetype=="")
+ $filetype = "application/octet-stream";
+
+ $header = "--".mimeBoundary()."\r\n";
+ $header .= "Content-Type: $filetype\r\n";
+ $header .= "Content-Disposition: attachment; filename=\"$remotename\"\r\n";
+ $header .= "Content-Transfer-Encoding: base64\r\n\r\n";
+ fputs ($fp, $header);
+ $length += strlen($header);
+
+ $file = fopen ($attachment_dir.$localname, "r");
+ while ($tmp = fread($file, 570)) {
+ $encoded = chunk_split(base64_encode($tmp));
+ $length += strlen($encoded);
+ fputs ($fp, $encoded);
+ }
+ fclose ($file);
+ }
+ }
+
+ return $length;
+ }
+
+ // Delete files that are uploaded for attaching
+ function deleteAttachments() {
+ global $attachments, $attachment_dir;
+
+ if (isMultipart()) {
+ reset($attachments);
+ while (list($localname, $remotename) = each($attachments)) {
+ if (!ereg ("\\/", $localname)) {
+ unlink ($attachment_dir.$localname);
+ unlink ($attachment_dir.$localname.".info");
+ }
+ }
+ }
+ }
+
+ // Return a nice MIME-boundary
+ function mimeBoundary () {
+ static $mimeBoundaryString;
+
+ if ($mimeBoundaryString == "") {
+ $mimeBoundaryString = GenerateRandomString(70, '\'()+,-./:=?_', 7);
+ }
+
+ return $mimeBoundaryString;
+ }
+
+ /* Time offset for correct timezone */
+ function timezone () {
+ $diff_second = date("Z");
+ if ($invert_time)
+ $diff_second = - $diff_second;
+ if ($diff_second > 0)
+ $sign = "+";
+ else
+ $sign = "-";
+
+ $diff_second = abs($diff_second);
+
+ $diff_hour = floor ($diff_second / 3600);
+ $diff_minute = floor (($diff_second-3600*$diff_hour) / 60);
+
+ $zonename = "(".strftime("%Z").")";
+ $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute, $zonename);
+ return ($result);
+ }
+
+ /* Print all the needed RFC822 headers */
+ function write822Header ($fp, $t, $c, $b, $subject, $more_headers) {
+ global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT;
+ global $data_dir, $username, $popuser, $domain, $version, $useSendmail;
+ global $default_charset, $HTTP_VIA, $HTTP_X_FORWARDED_FOR;
+ global $REMOTE_HOST;
+
+ // Storing the header to make sure the header is the same
+ // everytime the header is printed.
+ static $header, $headerlength;
+
+ if ($header == "") {
+ $to = parseAddrs($t);
+ $cc = parseAddrs($c);
+ $bcc = parseAddrs($b);
+ $reply_to = getPref($data_dir, $username, "reply_to");
+ $from = getPref($data_dir, $username, "full_name");
+ $from_addr = getPref($data_dir, $username, "email_address");
+
+ if ($from_addr == "")
+ $from_addr = $popuser."@".$domain;
+
+ $to_list = getLineOfAddrs($to);
+ $cc_list = getLineOfAddrs($cc);
+ $bcc_list = getLineOfAddrs($bcc);
+
+ /* Encoding 8-bit characters and making from line */
+ $subject = sqStripSlashes(encodeHeader($subject));
+ if ($from == "")
+ $from = "<$from_addr>";
+ else
+ $from = "\"" . encodeHeader($from) . "\" <$from_addr>";
+
+ /* This creates an RFC 822 date */
+ $date = date("D, j M Y H:i:s ", mktime()) . timezone();
+
+ /* Create a message-id */
+ $message_id = "<" . $REMOTE_PORT . "." . $REMOTE_ADDR . ".";
+ $message_id .= time() . ".squirrel@" . $SERVER_NAME .">";
+
+ /* Make an RFC822 Received: line */
+ if (isset($REMOTE_HOST))
+ $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])";
+ else
+ $received_from = $REMOTE_ADDR;
+
+ if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) {
+ if ($HTTP_X_FORWARDED_FOR == "")
+ $HTTP_X_FORWARDED_FOR = "unknown";
+ $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)";
+ }
+
+ $header = "Received: from $received_from\r\n";
+ $header .= " (SquirrelMail authenticated user $username)\r\n";
+ $header .= " by $SERVER_NAME with HTTP;\r\n";
+ $header .= " $date\r\n";
+
+ /* Insert the rest of the header fields */
+ $header .= "Message-ID: $message_id\r\n";
+ $header .= "Date: $date\r\n";
+ $header .= "Subject: $subject\r\n";
+ $header .= "From: $from\r\n";
+ $header .= "To: $to_list \r\n"; // Who it's TO
+
+ /* Insert headers from the $more_headers array */
+ if(is_array($more_headers)) {
+ reset($more_headers);
+ while(list($h_name, $h_val) = each($more_headers)) {
+ $header .= sprintf("%s: %s\r\n", $h_name, $h_val);
+ }
+ }
+
+ if ($cc_list) {
+ $header .= "Cc: $cc_list\r\n"; // Who the CCs are
+ }
+
+ if ($reply_to != "")
+ $header .= "Reply-To: $reply_to\r\n";
+
+ if ($useSendmail) {
+ if ($bcc_list) {
+ // BCCs is removed from header by sendmail
+ $header .= "Bcc: $bcc_list\r\n";
+ }
+ }
+
+ $header .= "X-Mailer: SquirrelMail (version $version)\r\n"; // Identify SquirrelMail
+
+ // Do the MIME-stuff
+ $header .= "MIME-Version: 1.0\r\n";
+
+ if (isMultipart()) {
+ $header .= "Content-Type: multipart/mixed; boundary=\"";
+ $header .= mimeBoundary();
+ $header .= "\"\r\n";
+ } else {
+ if ($default_charset != "")
+ $header .= "Content-Type: text/plain; charset=$default_charset\r\n";
+ else
+ $header .= "Content-Type: text/plain;\r\n";
+ $header .= "Content-Transfer-Encoding: 8bit\r\n";
+ }
+ $header .= "\r\n"; // One blank line to separate header and body
+
+ $headerlength = strlen($header);
+ }
+
+ // Write the header
+ fputs ($fp, $header);
+
+ return $headerlength;
+ }
+
+ // Send the body
+ function writeBody ($fp, $passedBody) {
+ global $default_charset;
+
+ $attachmentlength = 0;
+
+ if (isMultipart()) {
+ $body = "--".mimeBoundary()."\r\n";
+
+ if ($default_charset != "")
+ $body .= "Content-Type: text/plain; charset=$default_charset\r\n";
+ else
+ $body .= "Content-Type: text/plain\r\n";
+
+ $body .= "Content-Transfer-Encoding: 8bit\r\n\r\n";
+ $body .= sqStripSlashes($passedBody) . "\r\n";
+ fputs ($fp, $body);
+
+ $attachmentlength = attachFiles($fp);
+
+ $postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n";
+ fputs ($fp, $postbody);
+ } else {
+ $body = sqStripSlashes($passedBody) . "\r\n";
+ fputs ($fp, $body);
+ $postbody = "\r\n";
+ fputs ($fp, $postbody);
+ }
+
+ return (strlen($body) + strlen($postbody) + $attachmentlength);
+ }
+
+ // Send mail using the sendmail command
+ function sendSendmail($t, $c, $b, $subject, $body, $more_headers) {
+ global $sendmail_path, $popuser, $username, $domain;
+
+ // Build envelope sender address. Make sure it doesn't contain
+ // spaces or other "weird" chars that would allow a user to
+ // exploit the shell/pipe it is used in.
+ $envelopefrom = "$popuser@$domain";
+ $envelopefrom = ereg_replace("[[:blank:]]","", $envelopefrom);
+ $envelopefrom = ereg_replace("[[:space:]]","", $envelopefrom);
+ $envelopefrom = ereg_replace("[[:cntrl:]]","", $envelopefrom);
+
+ // open pipe to sendmail
+ $fp = popen (escapeshellcmd("$sendmail_path -t -f$envelopefrom"), "w");
+
+ $headerlength = write822Header ($fp, $t, $c, $b, $subject, $more_headers);
+ $bodylength = writeBody($fp, $body);
+
+ pclose($fp);
+
+ return ($headerlength + $bodylength);
+ }
+
function smtpReadData($smtpConnection) {
$read = fgets($smtpConnection, 1024);
$counter = 0;
}
}
- function sendMessage($smtpServerAddress, $smtpPort, $username, $domain, $t, $c, $b, $subject, $body, $version) {
- include("../config/config.php");
+ function sendSMTP($t, $c, $b, $subject, $body, $more_headers) {
+ global $username, $popuser, $domain, $version, $smtpServerAddress, $smtpPort,
+ $data_dir, $color;
$to = parseAddrs($t);
$cc = parseAddrs($c);
$bcc = parseAddrs($b);
- $body = stripslashes($body);
- $from_addr = "$username@$domain";
- $reply_to = getPref($username, "reply_to");
- $from = getPref($username, "full_name");
- if ($from == "")
- $from = "<$from_addr>";
- else
- $from = $from . " <$from_addr>";
+ $from_addr = getPref($data_dir, $username, "email_address");
+ if (!$from_addr)
+ $from_addr = "$popuser@$domain";
$smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString);
if (!$smtpConnection) {
echo "$errorNumber : $errorString<br>";
exit;
}
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
$to_list = getLineOfAddrs($to);
$cc_list = getLineOfAddrs($cc);
/** Lets introduce ourselves */
- fputs($smtpConnection, "HELO $domain\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ fputs($smtpConnection, "HELO $domain\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
/** Ok, who is sending the message? */
- fputs($smtpConnection, "MAIL FROM:<$from_addr>\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ fputs($smtpConnection, "MAIL FROM:<$from_addr>\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
/** send who the recipients are */
for ($i = 0; $i < count($to); $i++) {
- fputs($smtpConnection, "RCPT TO:<$to[$i]>\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ fputs($smtpConnection, "RCPT TO:<$to[$i]>\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
}
for ($i = 0; $i < count($cc); $i++) {
- fputs($smtpConnection, "RCPT TO:<$cc[$i]>\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ fputs($smtpConnection, "RCPT TO:<$cc[$i]>\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
}
for ($i = 0; $i < count($bcc); $i++) {
- fputs($smtpConnection, "RCPT TO:<$bcc[$i]>\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
+ fputs($smtpConnection, "RCPT TO:<$bcc[$i]>\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
}
/** Lets start sending the actual message */
- fputs($smtpConnection, "DATA\n");
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- errorCheck($tmp);
-
- fputs($smtpConnection, "Subject: $subject\n"); // Subject
- fputs($smtpConnection, "From: $from\n"); // Subject
- fputs($smtpConnection, "To: <$to_list>\n"); // Who it's TO
-
- if ($cc_list) {
- fputs($smtpConnection, "Cc: <$cc_list>\n"); // Who the CCs are
- }
- fputs($smtpConnection, "X-Mailer: SquirrelMail (version $version)\n"); // Identify SquirrelMail
- fputs($smtpConnection, "Reply-To: $reply_to\n");
- fputs($smtpConnection, "MIME-Version: 1.0\n");
- fputs($smtpConnection, "Content-Type: text/plain\n");
+ fputs($smtpConnection, "DATA\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
- fputs($smtpConnection, "$body\n"); // send the body of the message
+ // Send the message
+ $headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject, $more_headers);
+ $bodylength = writeBody($smtpConnection, $body);
- fputs($smtpConnection, ".\n"); // end the DATA part
- $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
- $num = errorCheck($tmp);
+ fputs($smtpConnection, ".\r\n"); // end the DATA part
+ $tmp = fgets($smtpConnection, 1024);
+ $num = errorCheck($tmp, $smtpConnection);
if ($num != 250) {
- echo "<HTML><BODY BGCOLOR=FFFFFF>ERROR<BR>Message not sent!<BR>Reason given: $tmp<BR></BODY></HTML>";
+ $tmp = nl2br(htmlspecialchars($tmp));
+ echo "ERROR<BR>Message not sent!<BR>Reason given: $tmp<BR></BODY></HTML>";
}
- fputs($smtpConnection, "QUIT\n"); // log off
+ fputs($smtpConnection, "QUIT\r\n"); // log off
fclose($smtpConnection);
+
+ return ($headerlength + $bodylength);
}
- function errorCheck($line) {
+ function errorCheck($line, $smtpConnection) {
+ global $page_header_php;
+ global $color;
+ if (!isset($page_header_php)) {
+ include "../functions/page_header.php";
+ }
+
+ // Read new lines on a multiline response
+ $lines = $line;
+ while(ereg("^[0-9]+-", $line)) {
+ $line = fgets($smtpConnection, 1024);
+ $lines .= $line;
+ }
+
// Status: 0 = fatal
// 5 = ok
case 554: $message = "Transaction failed";
$status = 0;
break;
- default: $message = "Unknown response: $line";
+ default: $message = "Unknown response: ". nl2br(htmlspecialchars($lines));
$status = 0;
$error_num = "001";
break;
}
if ($status == 0) {
- echo "<HTML><BODY BGCOLOR=FFFFFF>";
+ displayPageHeader($color, "None");
echo "<TT>";
- echo "<BR><B>ERROR</B><BR><BR>";
+ echo "<br><b><font color=\"$color[1]\">ERROR</font></b><br><br>";
echo " <B>Error Number: </B>$err_num<BR>";
echo " <B>Reason: </B>$message<BR>";
- echo "<B>Server Response: </B>$line<BR>";
+ $lines = nl2br(htmlspecialchars($lines));
+ echo "<B>Server Response: </B>$lines<BR>";
echo "<BR>MAIL NOT SENT";
echo "</TT></BODY></HTML>";
exit;
}
return $err_num;
}
-?>
\ No newline at end of file
+
+ function sendMessage($t, $c, $b, $subject, $body, $reply_id) {
+ global $useSendmail, $msg_id, $is_reply, $mailbox;
+ global $data_dir, $username, $domain, $key, $version, $sent_folder, $imapServerAddress, $imapPort;
+ $more_headers = Array();
+
+ $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 1);
+
+ if ($reply_id) {
+ sqimap_mailbox_select ($imap_stream, $mailbox);
+ sqimap_messages_flag ($imap_stream, $reply_id, $reply_id, "Answered");
+
+ // Insert In-Reply-To and References headers if the
+ // message-id of the message we reply to is set (longer than "<>")
+ // The References header should really be the old Referenced header
+ // with the message ID appended, but it can be only the message ID too.
+ $hdr = sqimap_get_small_header ($imap_stream, $reply_id, false);
+ if(strlen($hdr->message_id) > 2) {
+ $more_headers["In-Reply-To"] = $hdr->message_id;
+ $more_headers["References"] = $hdr->message_id;
+ }
+ sqimap_mailbox_close($imap_stream);
+ }
+
+ if ($useSendmail) {
+ $length = sendSendmail($t, $c, $b, $subject, $body, $more_headers);
+ } else {
+ $length = sendSMTP($t, $c, $b, $subject, $body, $more_headers);
+ }
+
+ if (sqimap_mailbox_exists ($imap_stream, $sent_folder)) {
+ sqimap_append ($imap_stream, $sent_folder, $length);
+ write822Header ($imap_stream, $t, $c, $b, $subject, $more_headers);
+ writeBody ($imap_stream, $body);
+ sqimap_append_done ($imap_stream);
+ }
+ sqimap_logout($imap_stream);
+ // Delete the files uploaded for attaching (if any).
+ deleteAttachments();
+ }
+
+?>