X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fsmtp.php;h=75af97bbe1c477a045e77c7bedd78052e0736c03;hb=6441f7c6b523c5874f702a2bb859a9daddf1cc4f;hp=6241c02f0cf5a08abdc75a26e8edf87c31a47b97;hpb=8405ee3548225c00d3cdb2ba7e298f4585680316;p=squirrelmail.git diff --git a/functions/smtp.php b/functions/smtp.php index 6241c02f..75af97bb 100644 --- a/functions/smtp.php +++ b/functions/smtp.php @@ -2,9 +2,245 @@ /** smtp.php ** ** This contains all the functions needed to send messages through - ** an smtp server. + ** an smtp server or sendmail. **/ + $smtp_php = true; + + // 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\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 () { + global $version, $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT; + + static $mimeBoundaryString; + + if ($mimeBoundaryString == "") { + $temp = "SquirrelMail".$version.$REMOTE_ADDR.$SERVER_NAME. + $REMOTE_PORT; + $mimeBoundaryString = "=-_+".substr(md5($temp),1,20); + } + + return $mimeBoundaryString; + } + + /* Time offset for correct timezone */ + function timezone () { + $diff_second = date("Z"); + if ($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) { + global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT; + global $data_dir, $username, $domain, $version, $useSendmail; + global $default_charset; + + // 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 == "") + $from_addr = "$username@$domain"; + + $to_list = getLineOfAddrs($to); + $cc_list = getLineOfAddrs($cc); + $bcc_list = getLineOfAddrs($bcc); + + if ($from == "") + $from = "<$from_addr>"; + else + $from = $from . " <$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() . "@" . $SERVER_NAME .">"; + + /* Make an RFC822 Received: line */ + $header = "Received: from $REMOTE_ADDR by $SERVER_NAME with HTTP; "; + $header .= "$date\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: $to_list \r\n"; // Who it's TO + + if ($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\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"; + $body .= stripslashes($passedBody) . "\r\n"; + fputs ($fp, $body); + + $attachmentlength = attachFiles($fp); + + $postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n"; + fputs ($fp, $postbody); + } else { + $body = stripslashes($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) { + global $sendmail_path, $username, $domain; + + // open pipe to sendmail + $fp = popen (escapeshellcmd("$sendmail_path -t -f$username@$domain"), "w"); + + $headerlength = write822Header ($fp, $t, $c, $b, $subject); + $bodylength = writeBody($fp, $body); + + pclose($fp); + + return ($headerlength + $bodylenght); + } + function smtpReadData($smtpConnection) { $read = fgets($smtpConnection, 1024); $counter = 0; @@ -16,57 +252,201 @@ } } - function sendMessage($smtpServerAddress, $smtpPort, $username, $domain, $t, $c, $b, $subject, $body, $version) { + function sendSMTP($t, $c, $b, $subject, $body) { + global $username, $domain, $version, $smtpServerAddress, $smtpPort, + $data_dir; + $to = parseAddrs($t); $cc = parseAddrs($c); $bcc = parseAddrs($b); - $body = stripslashes($body); - $from = "$username@$domain"; + $from_addr = getPref($data_dir, $username, "email_address"); + + if ($from_addr == "") + $from_addr = "$username@$domain"; - echo ""; $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString); if (!$smtpConnection) { echo "Error connecting to SMTP Server.
"; echo "$errorNumber : $errorString
"; exit; } + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); $to_list = getLineOfAddrs($to); $cc_list = getLineOfAddrs($cc); /** Lets introduce ourselves */ - fputs($smtpConnection, "HELO $domain\n"); + fputs($smtpConnection, "HELO $domain\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); + /** Ok, who is sending the message? */ - fputs($smtpConnection, "MAIL FROM:<$from>\n"); + fputs($smtpConnection, "MAIL FROM:<$from_addr>\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); /** send who the recipients are */ for ($i = 0; $i < count($to); $i++) { - fputs($smtpConnection, "RCPT TO:<$to[$i]>\n"); + fputs($smtpConnection, "RCPT TO:<$to[$i]>\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); } for ($i = 0; $i < count($cc); $i++) { - fputs($smtpConnection, "RCPT TO:<$cc[$i]>\n"); + fputs($smtpConnection, "RCPT TO:<$cc[$i]>\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); } for ($i = 0; $i < count($bcc); $i++) { - fputs($smtpConnection, "RCPT TO:<$bcc[$i]>\n"); + fputs($smtpConnection, "RCPT TO:<$bcc[$i]>\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); } /** Lets start sending the actual message */ - fputs($smtpConnection, "DATA\n"); - 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, "DATA\r\n"); + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + errorCheck($tmp); + + // Send the message + $headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject); + $bodylength = writeBody($smtpConnection, $body); + + fputs($smtpConnection, ".\r\n"); // end the DATA part + $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024))); + $num = errorCheck($tmp); + if ($num != 250) { + echo "ERROR
Message not sent!
Reason given: $tmp
"; + } + + fputs($smtpConnection, "QUIT\r\n"); // log off + + fclose($smtpConnection); + + return ($headerlength + $bodylength); + } + + + function errorCheck($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: $line"; + $status = 0; + $error_num = "001"; + break; } - fputs($smtpConnection, "X-Mailer: SquirrelMail (version $version)\n"); // Identify SquirrelMail - fputs($smtpConnection, "Reply-To: $from\n"); - fputs($smtpConnection, "MIME-Version: 1.0\n"); - fputs($smtpConnection, "Content-Type: text\n"); - fputs($smtpConnection, "$body\n"); // send the body of the message - fputs($smtpConnection, ".\n"); // end the DATA part - fputs($smtpConnection, "QUIT\n"); // log off + if ($status == 0) { + echo ""; + echo ""; + echo "
ERROR

"; + echo "   Error Number: $err_num
"; + echo "         Reason: $message
"; + echo "Server Response: $line
"; + echo "
MAIL NOT SENT"; + echo ""; + exit; + } + return $err_num; + } + + function sendMessage($t, $c, $b, $subject, $body) { + global $useSendmail; + global $data_dir, $username, $domain, $key, $version, $sent_folder, $imapServerAddress, $imapPort; + + if ($useSendmail==true) { + $length = sendSendmail($t, $c, $b, $subject, $body); + } else { + $length = sendSMTP($t, $c, $b, $subject, $body); + } + + + // This is a proposed interface to save messages in the sent folder + // -- gustavf + // +// $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 1); +// sqimap_append ($imap_stream, $sent_folder, $length); +// write822Header ($imap_stream, $t, $c, $b, $subject); +// writeBody ($imap_stream, $body); + //sqimap_append_done($imap_stream); + // + // Or something like that... + + // Delete the files uploaded for attaching (if any). + deleteAttachments(); - echo ""; } -?> \ No newline at end of file + +?>