-<?
+<?php
/** smtp.php
**
** This contains all the functions needed to send messages through
- ** an smtp server.
+ ** an smtp server or sendmail.
+ **
+ ** $Id$
**/
+ $smtp_php = true;
+
+ // This should most probably go to some initialization...
+ if (ereg("^([^@%/]+)[@%/](.+)$", $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: $filetype;name=\"$remotename\"\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 () {
+ global $invert_time;
+
+ $diff_second = date('Z');
+ if ($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\r\n";
+ fputs ($fp, $body);
+
+ $attachmentlength = attachFiles($fp);
+
+ if (!isset($postbody)) $postbody = "";
+ $postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n";
+ fputs ($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);
$counter = 0;
while ($read) {
- echo $read . "<BR>";
+ echo $read . '<BR>';
$data[$counter] = $read;
$read = fgets($smtpConnection, 1024);
$counter++;
}
}
- function sendMessage($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);
- $from = "$username@$domain";
+ $from_addr = getPref($data_dir, $username, 'email_address');
+
+ if (!$from_addr)
+ $from_addr = "$popuser@$domain";
- echo "<FONT FACE=\"Arial,Helvetica\">";
$smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString);
if (!$smtpConnection) {
- echo "Error connecting to SMTP Server.<br>";
+ echo 'Error connecting to SMTP Server.<br>';
echo "$errorNumber : $errorString<br>";
exit;
- } else {
- $tmp = fgets($smtpConnection, 1024);
}
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
$to_list = getLineOfAddrs($to);
$cc_list = getLineOfAddrs($cc);
/** Lets introduce ourselves */
- fputs($smtpConnection, "HELO $domain\n");
+ fputs($smtpConnection, "HELO $domain\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
/** Ok, who is sending the message? */
- fputs($smtpConnection, "MAIL FROM:<$from>\n");
+ fputs($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");
+ 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");
+ 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");
+ 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");
+ fputs($smtpConnection, "DATA\r\n");
+ $tmp = fgets($smtpConnection, 1024);
+ errorCheck($tmp, $smtpConnection);
- fputs($smtpConnection, "Subject: $subject\n"); // Subject
- fputs($smtpConnection, "From: <$from>\n"); // Subject
- fputs($smtpConnection, "To: <$to_list>\n"); // Who it's TO
+ // Send the message
+ $headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject, $more_headers);
+ $bodylength = writeBody($smtpConnection, $body);
- if ($cc_list) {
- fputs($smtpConnection, "Cc: <$cc_list>\n"); // Who the CCs are
+ fputs($smtpConnection, ".\r\n"); // end the DATA part
+ $tmp = fgets($smtpConnection, 1024);
+ $num = errorCheck($tmp, $smtpConnection);
+ if ($num != 250) {
+ $tmp = nl2br(htmlspecialchars($tmp));
+ echo "ERROR<BR>Message not sent!<BR>Reason given: $tmp<BR></BODY></HTML>";
}
- fputs($smtpConnection, "X-Mailer: SquirrelMail (version $version)\n"); // Identify SquirrelMail
- fputs($smtpConnection, "Reply-To: $from\n");
- fputs($smtpConnection, "MIME-Version: 1.0\n");
- fputs($smtpConnection, "Content-Type: text/plain\n");
-
- fputs($smtpConnection, "$body\n"); // send the body of the message
- fputs($smtpConnection, ".\n"); // end the DATA part
- fputs($smtpConnection, "QUIT\n"); // log off
- echo "</FONT>";
+ fputs($smtpConnection, "QUIT\r\n"); // log off
fclose($smtpConnection);
+
+ return ($headerlength + $bodylength);
}
-?>
\ No newline at end of file
+
+
+ function errorCheck($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
+
+ $err_num = substr($line, 0, strpos($line, " "));
+ switch ($err_num) {
+ case 500: $message = 'Syntax error; command not recognized';
+ $status = 0;
+ break;
+ case 501: $message = 'Syntax error in parameters or arguments';
+ $status = 0;
+ break;
+ case 502: $message = 'Command not implemented';
+ $status = 0;
+ break;
+ case 503: $message = 'Bad sequence of commands';
+ $status = 0;
+ break;
+ case 504: $message = 'Command parameter not implemented';
+ $status = 0;
+ break;
+
+
+ case 211: $message = 'System status, or system help reply';
+ $status = 5;
+ break;
+ case 214: $message = 'Help message';
+ $status = 5;
+ break;
+
+
+ case 220: $message = 'Service ready';
+ $status = 5;
+ break;
+ case 221: $message = 'Service closing transmission channel';
+ $status = 5;
+ break;
+ case 421: $message = 'Service not available, closing chanel';
+ $status = 0;
+ break;
+
+
+ case 250: $message = 'Requested mail action okay, completed';
+ $status = 5;
+ break;
+ case 251: $message = 'User not local; will forward';
+ $status = 5;
+ break;
+ case 450: $message = 'Requested mail action not taken: mailbox unavailable';
+ $status = 0;
+ break;
+ case 550: $message = 'Requested action not taken: mailbox unavailable';
+ $status = 0;
+ break;
+ case 451: $message = 'Requested action aborted: error in processing';
+ $status = 0;
+ break;
+ case 551: $message = 'User not local; please try forwarding';
+ $status = 0;
+ break;
+ case 452: $message = 'Requested action not taken: insufficient system storage';
+ $status = 0;
+ break;
+ case 552: $message = 'Requested mail action aborted: exceeding storage allocation';
+ $status = 0;
+ break;
+ case 553: $message = 'Requested action not taken: mailbox name not allowed';
+ $status = 0;
+ break;
+ case 354: $message = 'Start mail input; end with .';
+ $status = 5;
+ break;
+ case 554: $message = 'Transaction failed';
+ $status = 0;
+ break;
+ default: $message = 'Unknown response: '. nl2br(htmlspecialchars($lines));
+ $status = 0;
+ $error_num = '001';
+ break;
+ }
+
+ if ($status == 0) {
+ displayPageHeader($color, 'None');
+ echo '<TT>';
+ echo "<br><b><font color=\"$color[1]\">ERROR</font></b><br><br>";
+ echo " <B>Error Number: </B>$err_num<BR>";
+ echo " <B>Reason: </B>$message<BR>";
+ $lines = nl2br(htmlspecialchars($lines));
+ echo "<B>Server Response: </B>$lines<BR>";
+ echo '<BR>MAIL NOT SENT';
+ echo '</TT></BODY></HTML>';
+ exit;
+ }
+ return $err_num;
+ }
+
+ function sendMessage($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, $imapPort, 1);
+
+ // The trim() is a workaround for RedHat's PHP 4.0.4pl1-3
+ // Possibly is there to make Konq work.
+ if ($reply_id = trim($reply_id)) {
+ sqimap_mailbox_select ($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;
+ }
+ }
+
+ // In order to remove the problem of users not able to create
+ // messages with "." on a blank line, RFC821 has made provision
+ // in section 4.5.2 (Transparency).
+ $body = ereg_replace("\n\.", "\n\.\.", $body);
+ $body = ereg_replace("^\.", "\.\.", $body);
+
+ // this is to catch all plain \n instances and
+ // replace them with \r\n.
+ $body = ereg_replace("\r\n", "\n", $body);
+ $body = ereg_replace("\n", "\r\n", $body);
+
+ if ($useSendmail) {
+ $length = sendSendmail($t, $c, $b, $subject, $body, $more_headers);
+ } else {
+ $length = sendSMTP($t, $c, $b, $subject, $body, $more_headers);
+ }
+
+ // The trim() is a workaround for RedHat's PHP 4.0.4pl1-3
+ // Possibly is there to make Konq work.
+ $sent_folder = trim($sent_folder);
+ 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();
+ }
+
+?>
projects / squirrelmail.git / blobdiff