X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fsmtp.php;h=86f474727fbd1c943d93c150306c6965d404125b;hb=7aa617a02832838402cac7c29f5b0113e53be296;hp=36b7751a71a56b1c3b11b17f56d85473c0afb999;hpb=fe53c3b97937be9817d3ae407fcd33d41779aaf2;p=squirrelmail.git diff --git a/functions/smtp.php b/functions/smtp.php index 36b7751a..86f47472 100644 --- a/functions/smtp.php +++ b/functions/smtp.php @@ -1,558 +1,744 @@ 0) - return true; - else - return false; - } - - // looks up aliases in the addressbook and expands them to - // the full address. - function expandAddrs ($array) { - $abook = addressbook_init(); - for ($i=0; $i < count($array); $i++) { - $result = $abook->lookup($array[$i]); - $ret = ""; - if (isset($result['email'])) { +/** + * smtp.php + * + * Copyright (c) 1999-2002 The SquirrelMail Project Team + * Licensed under the GNU GPL. For full terms see the file COPYING. + * + * This contains all the functions needed to send messages through + * an smtp server or sendmail. + * + * $Id$ + */ + +require_once('../functions/addressbook.php'); +require_once('../functions/plugin.php'); +require_once('../functions/prefs.php'); + +global $username, $popuser, $domain; + +/* This should most probably go to some initialization... */ +if (ereg("^([^@%/]+)[@%/](.+)$", $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; + } +} + +/* looks up aliases in the addressbook and expands them to + * the full address. + * + * Adds @$domain if it wasn't in the address book and if it + * doesn't have an @ symbol in it + */ +function expandAddrs ($array) { + global $domain; + + /* don't show errors -- kinda critical that we don't see + * them here since the redirect won't work if we do show them + */ + $abook = addressbook_init(false); + for ($i=0; $i < count($array); $i++) { + $result = $abook->lookup($array[$i]); + $ret = ""; + if (isset($result['email'])) { if (isset($result['name'])) { - $ret = '"'.$result['name'].'" '; + $ret = '"'.$result['name'].'" '; } $ret .= '<'.$result['email'].'>'; $array[$i] = $ret; - } - } - return $array; - } - - // Attach the files that are due to be attached - function attachFiles ($fp) { - global $attachments, $attachment_dir; + } + else + { + if (strpos($array[$i], '@') === false) { + $array[$i] .= '@' . $domain; + } + $array[$i] = '<' . $array[$i] . '>'; + } + } + return $array; +} + + +/* looks up aliases in the addressbook and expands them to + * the RFC 821 valid RCPT address. ie + * Adds @$domain if it wasn't in the address book and if it + * doesn't have an @ symbol in it + */ +function expandRcptAddrs ($array) { + global $domain; + + /* don't show errors -- kinda critical that we don't see + * them here since the redirect won't work if we do show them + */ + $abook = addressbook_init(false); + for ($i=0; $i < count($array); $i++) { + $result = $abook->lookup($array[$i]); + $ret = ""; + if (isset($result['email'])) { + $ret = '<'.$result['email'].'>'; + $array[$i] = $ret; + } + else { + if (strpos($array[$i], '@') === false) { + $array[$i] .= '@' . $domain; + } + $array[$i] = '<' . $array[$i] . '>'; + } + } + return $array; +} - $length = 0; - if (isMultipart()) { - reset($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=='') - $filetype = 'application/octet-stream'; +/* Attach the files that are due to be attached + */ +function attachFiles ($fp) { + global $attachments, $attachment_dir, $username; + + $length = 0; + + $hashed_attachment_dir = getHashedDir($username, $attachment_dir); + if (isMultipart()) { + foreach ($attachments as $info) { + if (isset($info['type'])) { + $filetype = $info['type']; + } + else { + $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); + $header .= "Content-Type: $filetype; name=\"" . + $info['remotefilename'] . "\"\r\n"; + $header .= "Content-Disposition: attachment; filename=\"" . + $info['remotefilename'] . "\"\r\n"; + + /* Use 'rb' for NT systems -- read binary + * Unix doesn't care -- everything's binary! :-) + */ - $file = fopen ($attachment_dir.$localname, 'r'); - while ($tmp = fread($file, 570)) { - $encoded = chunk_split(base64_encode($tmp)); - $length += strlen($encoded); - fputs ($fp, $encoded); + $filename = $hashed_attachment_dir . '/' . $info['localfilename']; + $file = fopen ($filename, 'rb'); + if (substr($filetype, 0, 5) == 'text/' || + $filetype == 'message/rfc822') { + $header .= "\r\n"; + fputs ($fp, $header); + $length += strlen($header); + while ($tmp = fgets($file, 4096)) { + $tmp = str_replace("\r\n", "\n", $tmp); + $tmp = str_replace("\r", "\n", $tmp); + $tmp = str_replace("\n", "\r\n", $tmp); + if (feof($fp) && substr($tmp, -2) != "\r\n") { + $tmp .= "\r\n"; + } + fputs($fp, $tmp); + $length += strlen($tmp); + } + } else { + $header .= "Content-Transfer-Encoding: base64\r\n\r\n"; + fputs ($fp, $header); + $length += strlen($header); + 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)) { + } + } + return $length; +} + +/* Delete files that are uploaded for attaching + */ +function deleteAttachments() { + global $attachments, $attachment_dir; + + $hashed_attachment_dir = getHashedDir($username, $attachment_dir); + if (isMultipart()) { + reset($attachments); + while (list($localname, $remotename) = each($attachments)) { if (!ereg ("\\/", $localname)) { - unlink ($attachment_dir.$localname); - unlink ($attachment_dir.$localname.'.info'); + $filename = $hashed_attachment_dir . '/' . $localname; + unlink ($filename); + unlink ("$filename.info"); } - } - } - } - - // Return a nice MIME-boundary - function mimeBoundary () { - static $mimeBoundaryString; - - if ($mimeBoundaryString == "") { - $mimeBoundaryString = "----=" . - GenerateRandomString(60, '\'()+,-./:=?_', 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 == '') { - $to = expandAddrs(parseAddrs($t)); - $cc = expandAddrs(parseAddrs($c)); - $bcc = expandAddrs(parseAddrs($b)); - $reply_to = getPref($data_dir, $username, 'reply_to'); - $from = getPref($data_dir, $username, 'full_name'); - $from_addr = getPref($data_dir, $username, 'email_address'); + } + } +} + +/* Return a nice MIME-boundary + */ +function mimeBoundary () { + static $mimeBoundaryString; + + if ($mimeBoundaryString == "") { + $mimeBoundaryString = "----=_" . + GenerateRandomString(60, '\'()+,-./:=?_', 7); + } + + return $mimeBoundaryString; +} - if ($from_addr == '') +/* 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, $identity; + + /* Storing the header to make sure the header is the same + * everytime the header is printed. + */ + static $header, $headerlength; + + if ($header == '') { + $to = expandAddrs(parseAddrs($t)); + $cc = expandAddrs(parseAddrs($c)); + $bcc = expandAddrs(parseAddrs($b)); + if (isset($identity) && $identity != 'default') { + $reply_to = getPref($data_dir, $username, 'reply_to' . $identity); + $from = getPref($data_dir, $username, 'full_name' . $identity); + $from_addr = getPref($data_dir, $username, 'email_address' . $identity); + } else { + $reply_to = getPref($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 */ - $subject = encodeHeader($subject); - if ($from == '') + } + + $to_list = getLineOfAddrs($to); + $cc_list = getLineOfAddrs($cc); + $bcc_list = getLineOfAddrs($bcc); + + /* Encoding 8-bit characters and making from line */ + $subject = encodeHeader($subject); + if ($from == '') { $from = "<$from_addr>"; - else + } + 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)) + } + + /* 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 + } + else { $received_from = $REMOTE_ADDR; - - if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) { - if ($HTTP_X_FORWARDED_FOR == '') - $HTTP_X_FORWARDED_FOR = 'unknown'; + } + + if (isset($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 = "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 != '') + } + + if ($reply_to != '') { $header .= "Reply-To: $reply_to\r\n"; - - if ($useSendmail) { + } + + if ($useSendmail) { if ($bcc_list) { - // BCCs is removed from header by sendmail - $header .= "Bcc: $bcc_list\r\n"; + // 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 .= "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 - $header .= "Content-Type: text/plain;\r\n"; + } else { + if ($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"; + } + $header .= "\r\n"; // One blank line to separate header and body + + $headerlength = strlen($header); + } + + /* Write the header */ + fputs ($fp, $header); + + return $headerlength; +} - if ($default_charset != "") +/* 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 + } + else { $body .= "Content-Type: text/plain\r\n"; + } + + $body .= "Content-Transfer-Encoding: 8bit\r\n\r\n"; + $body .= $passedBody . "\r\n\r\n"; + fputs ($fp, $body); + + $attachmentlength = attachFiles($fp); + + if (!isset($postbody)) { + $postbody = ""; + } + $postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n"; + fputs ($fp, $postbody); + } else { + $body = $passedBody . "\r\n"; + fputs ($fp, $body); + $postbody = "\r\n"; + fputs ($fp, $postbody); + } + + return (strlen($body) + strlen($postbody) + $attachmentlength); +} - $body .= "Content-Transfer-Encoding: 8bit\r\n\r\n"; - $body .= $passedBody . "\r\n\r\n"; - fputs ($fp, $body); - - $attachmentlength = attachFiles($fp); - - if (!isset($postbody)) $postbody = ""; - $postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n"; - fputs ($fp, $postbody); - } else { - $body = $passedBody . "\r\n"; - fputs ($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 . '
'; - $data[$counter] = $read; - $read = fgets($smtpConnection, 1024); - $counter++; - } - } - - function sendSMTP($t, $c, $b, $subject, $body, $more_headers) { - global $username, $popuser, $domain, $version, $smtpServerAddress, $smtpPort, - $data_dir, $color; - - $to = expandAddrs(parseAddrs($t)); - $cc = expandAddrs(parseAddrs($c)); - $bcc = expandAddrs(parseAddrs($b)); - $from_addr = getPref($data_dir, $username, 'email_address'); - - if (!$from_addr) - $from_addr = "$popuser@$domain"; - - $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString); - if (!$smtpConnection) { - echo 'Error connecting to SMTP Server.
'; - echo "$errorNumber : $errorString
"; - exit; - } - $tmp = fgets($smtpConnection, 1024); - errorCheck($tmp, $smtpConnection); - - $to_list = getLineOfAddrs($to); - $cc_list = getLineOfAddrs($cc); - - /** Lets introduce ourselves */ - 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>\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]>\r\n"); - $tmp = fgets($smtpConnection, 1024); - errorCheck($tmp, $smtpConnection); - } - for ($i = 0; $i < count($cc); $i++) { - fputs($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]>\r\n"); - $tmp = fgets($smtpConnection, 1024); - errorCheck($tmp, $smtpConnection); - } - - /** Lets start sending the actual message */ - fputs($smtpConnection, "DATA\r\n"); - $tmp = fgets($smtpConnection, 1024); - errorCheck($tmp, $smtpConnection); - - // Send the message - $headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject, $more_headers); - $bodylength = writeBody($smtpConnection, $body); - - fputs($smtpConnection, ".\r\n"); // end the DATA part - $tmp = fgets($smtpConnection, 1024); - $num = errorCheck($tmp, $smtpConnection); - if ($num != 250) { - $tmp = nl2br(htmlspecialchars($tmp)); - echo "ERROR
Message not sent!
Reason given: $tmp
"; - } - - fputs($smtpConnection, "QUIT\r\n"); // log off - - fclose($smtpConnection); - - return ($headerlength + $bodylength); - } - - - function errorCheck($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 ''; - echo "
ERROR

"; - echo "   Error Number: $err_num
"; - echo "         Reason: $message
"; - $lines = nl2br(htmlspecialchars($lines)); - echo "Server Response: $lines
"; - echo '
MAIL NOT SENT'; - echo ''; - 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, $imapPort, 1); +/* Send mail using the sendmail command + */ +function sendSendmail($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:]]",'', $envelopefrom); + + /* open pipe to sendmail or qmail-inject (qmail-inject doesn't accept -t param) */ + if (strstr($sendmail_path, "qmail-inject")) { + $fp = popen (escapeshellcmd("$sendmail_path -f$envelopefrom"), "w"); + } else { + $fp = popen (escapeshellcmd("$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 . '
'; + $data[$counter] = $read; + $read = fgets($smtpConnection, 1024); + $counter++; + } +} + +function sendSMTP($t, $c, $b, $subject, $body, $more_headers) { + global $username, $popuser, $domain, $version, $smtpServerAddress, + $smtpPort, $data_dir, $color, $use_authenticated_smtp, $identity, + $key, $onetimepad; + + $to = expandRcptAddrs(parseAddrs($t)); + $cc = expandRcptAddrs(parseAddrs($c)); + $bcc = expandRcptAddrs(parseAddrs($b)); + if (isset($identity) && $identity != 'default') { + $from_addr = getPref($data_dir, $username, 'email_address' . $identity); + } + else { + $from_addr = getPref($data_dir, $username, 'email_address'); + } + + if (!$from_addr) { + $from_addr = "$popuser@$domain"; + } + + $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString); + if (!$smtpConnection) { + echo 'Error connecting to SMTP Server.
'; + echo "$errorNumber : $errorString
"; + exit; + } + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) return(0); + + $to_list = getLineOfAddrs($to); + $cc_list = getLineOfAddrs($cc); + + /* Lets introduce ourselves */ + if (! isset ($use_authenticated_smtp) || $use_authenticated_smtp == false) { + fputs($smtpConnection, "HELO $domain\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) return(0); + } else { + fputs($smtpConnection, "EHLO $domain\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) return(0); + + fputs($smtpConnection, "AUTH LOGIN\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + + fputs($smtpConnection, base64_encode ($username) . "\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + + fputs($smtpConnection, base64_encode (OneTimePadDecrypt($key, $onetimepad)) . "\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + } + + /* Ok, who is sending the message? */ + fputs($smtpConnection, "MAIL FROM: <$from_addr>\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + + /* send who the recipients are */ + for ($i = 0; $i < count($to); $i++) { + fputs($smtpConnection, "RCPT TO: $to[$i]\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + } + for ($i = 0; $i < count($cc); $i++) { + fputs($smtpConnection, "RCPT TO: $cc[$i]\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + } + for ($i = 0; $i < count($bcc); $i++) { + fputs($smtpConnection, "RCPT TO: $bcc[$i]\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + } + + /* Lets start sending the actual message */ + fputs($smtpConnection, "DATA\r\n"); + $tmp = fgets($smtpConnection, 1024); + if (errorCheck($tmp, $smtpConnection)!=5) { + return(0); + } + + /* Send the message */ + $headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject, $more_headers); + $bodylength = writeBody($smtpConnection, $body); + + fputs($smtpConnection, ".\r\n"); /* end the DATA part */ + $tmp = fgets($smtpConnection, 1024); + $num = errorCheck($tmp, $smtpConnection, true); + if ($num != 250) { + $tmp = nl2br(htmlspecialchars($tmp)); + displayPageHeader($color, 'None'); + include_once('../functions/display_messages.php'); + $msg = "Message not sent!
\nReason given: $tmp"; + plain_error_message($msg, $color); + return(0); + } + + fputs($smtpConnection, "QUIT\r\n"); /* log off */ + + fclose($smtpConnection); + + return ($headerlength + $bodylength); +} - if (isset($reply_id) && $reply_id) { - sqimap_mailbox_select ($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) { +function errorCheck($line, $smtpConnection, $verbose = false) { + global $color; + + /* 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 235: return(5); + break; + case 250: $message = 'Requested mail action okay, completed'; + $status = 5; + break; + case 251: $message = 'User not local; will forward'; + $status = 5; + break; + case 334: return(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) { + include_once('../functions/page_header.php'); + displayPageHeader($color, 'None'); + include_once('../functions/display_messages.php'); + $lines = nl2br(htmlspecialchars($lines)); + $msg = $message . "
\nServer replied: $lines"; + plain_error_message($msg, $color); + } + if (! $verbose) return $status; + return $err_num; +} + +function sendMessage($t, $c, $b, $subject, $body, $reply_id, $prio = 3) { + global $useSendmail, $msg_id, $is_reply, $mailbox, $onetimepad; + global $data_dir, $username, $domain, $key, $version, $sent_folder, $imapServerAddress, $imapPort; + global $default_use_priority; + global $more_headers; + $more_headers = Array(); + + do_hook("smtp_send"); + + $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 1); + + if (isset($reply_id) && $reply_id) { + sqimap_mailbox_select ($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, $more_headers); - } + } + } + if ($default_use_priority) { + $more_headers = array_merge($more_headers, createPriorityHeaders($prio)); + } + + /* 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. All newlines were converted + * into just \n inside the compose.php file. + */ + $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, $more_headers); + } + + if (sqimap_mailbox_exists ($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). + * only if $length != 0 (if there was no error) + */ + if ($length) + ClearAttachments(); + + return $length; +} - if (sqimap_mailbox_exists ($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($imap_stream); - // Delete the files uploaded for attaching (if any). - deleteAttachments(); - } +function createPriorityHeaders($prio) { + $prio_headers = Array(); + $prio_headers["X-Priority"] = $prio; + + switch($prio) { + case 1: $prio_headers["Importance"] = "High"; + $prio_headers["X-MSMail-Priority"] = "High"; + break; + + case 3: $prio_headers["Importance"] = "Normal"; + $prio_headers["X-MSMail-Priority"] = "Normal"; + break; + + case 5: + $prio_headers["Importance"] = "Low"; + $prio_headers["X-MSMail-Priority"] = "Low"; + break; + } + return $prio_headers; +} ?>