59177427 |
1 | <?php |
2ba13803 |
2 | |
35586184 |
3 | /** |
4 | * smtp.php |
5 | * |
15e6162e |
6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
35586184 |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * This contains all the functions needed to send messages through |
10 | * an smtp server or sendmail. |
11 | * |
12 | * $Id$ |
13 | */ |
b8ea4ed6 |
14 | |
35586184 |
15 | require_once('../functions/addressbook.php'); |
16 | require_once('../functions/plugin.php'); |
3392dc86 |
17 | require_once('../functions/prefs.php'); |
35586184 |
18 | |
19 | global $username, $popuser, $domain; |
465db5d7 |
20 | |
a1e937bb |
21 | /* This should most probably go to some initialization... */ |
e25c2bd3 |
22 | if (ereg("^([^@%/]+)[@%/](.+)$", $username, $usernamedata)) { |
23 | $popuser = $usernamedata[1]; |
24 | $domain = $usernamedata[2]; |
25 | unset($usernamedata); |
26 | } else { |
27 | $popuser = $username; |
28 | } |
a1e937bb |
29 | /* We need domain for smtp */ |
30 | if (!$domain) { |
e25c2bd3 |
31 | $domain = getenv('HOSTNAME'); |
a1e937bb |
32 | } |
e25c2bd3 |
33 | |
a1e937bb |
34 | /* Returns true only if this message is multipart */ |
dd7766e0 |
35 | function isMultipart ($session) { |
e25c2bd3 |
36 | global $attachments; |
7622a204 |
37 | |
38 | foreach ($attachments as $info) { |
a3fbf5a4 |
39 | if ($info['session'] == $session) { |
40 | return true; |
41 | } |
a1e937bb |
42 | } |
7622a204 |
43 | return false; |
e25c2bd3 |
44 | } |
45 | |
a1e937bb |
46 | /* looks up aliases in the addressbook and expands them to |
47 | * the full address. |
48 | * |
49 | * Adds @$domain if it wasn't in the address book and if it |
50 | * doesn't have an @ symbol in it |
51 | */ |
e25c2bd3 |
52 | function expandAddrs ($array) { |
53 | global $domain; |
54 | |
a1e937bb |
55 | /* don't show errors -- kinda critical that we don't see |
56 | * them here since the redirect won't work if we do show them |
57 | */ |
68444892 |
58 | $abook = addressbook_init(false, true); |
e25c2bd3 |
59 | for ($i=0; $i < count($array); $i++) { |
60 | $result = $abook->lookup($array[$i]); |
61 | $ret = ""; |
62 | if (isset($result['email'])) { |
a4102fd7 |
63 | if (isset($result['name'])) { |
e25c2bd3 |
64 | $ret = '"'.$result['name'].'" '; |
a4102fd7 |
65 | } |
66 | $ret .= '<'.$result['email'].'>'; |
67 | $array[$i] = $ret; |
e25c2bd3 |
68 | } |
69 | else |
a1e937bb |
70 | { |
71 | if (strpos($array[$i], '@') === false) { |
72 | $array[$i] .= '@' . $domain; |
e25c2bd3 |
73 | } |
a1e937bb |
74 | $array[$i] = '<' . $array[$i] . '>'; |
75 | } |
e25c2bd3 |
76 | } |
77 | return $array; |
78 | } |
93555af8 |
79 | |
93555af8 |
80 | |
a1e937bb |
81 | /* looks up aliases in the addressbook and expands them to |
82 | * the RFC 821 valid RCPT address. ie <user@example.com> |
83 | * Adds @$domain if it wasn't in the address book and if it |
84 | * doesn't have an @ symbol in it |
85 | */ |
e25c2bd3 |
86 | function expandRcptAddrs ($array) { |
87 | global $domain; |
88 | |
a1e937bb |
89 | /* don't show errors -- kinda critical that we don't see |
90 | * them here since the redirect won't work if we do show them |
91 | */ |
68444892 |
92 | $abook = addressbook_init(false, true); |
e25c2bd3 |
93 | for ($i=0; $i < count($array); $i++) { |
94 | $result = $abook->lookup($array[$i]); |
95 | $ret = ""; |
96 | if (isset($result['email'])) { |
93555af8 |
97 | $ret = '<'.$result['email'].'>'; |
98 | $array[$i] = $ret; |
e25c2bd3 |
99 | } |
100 | else { |
a1e937bb |
101 | if (strpos($array[$i], '@') === false) { |
e25c2bd3 |
102 | $array[$i] .= '@' . $domain; |
a1e937bb |
103 | } |
93555af8 |
104 | $array[$i] = '<' . $array[$i] . '>'; |
e25c2bd3 |
105 | } |
106 | } |
107 | return $array; |
108 | } |
93555af8 |
109 | |
4ba45d11 |
110 | |
77b88425 |
111 | /* Attach the files that are due to be attached |
a1e937bb |
112 | */ |
721a6cac |
113 | function attachFiles ($fp, $session, $rn="\r\n") { |
e25c2bd3 |
114 | global $attachments, $attachment_dir, $username; |
77b88425 |
115 | |
e25c2bd3 |
116 | $length = 0; |
77b88425 |
117 | |
e25c2bd3 |
118 | $hashed_attachment_dir = getHashedDir($username, $attachment_dir); |
dd7766e0 |
119 | if (isMultipart($session)) { |
e25c2bd3 |
120 | foreach ($attachments as $info) { |
a3fbf5a4 |
121 | if ($info['session'] == $session) { |
122 | if (isset($info['type'])) { |
123 | $filetype = $info['type']; |
124 | } |
125 | else { |
126 | $filetype = 'application/octet-stream'; |
127 | } |
128 | |
129 | $header = '--' . mimeBoundary() . "$rn"; |
130 | if ( isset($info['remotefilename']) |
131 | && $info['remotefilename'] != '') { |
132 | $header .= "Content-Type: $filetype; name=\"" . |
133 | $info['remotefilename'] . "\"$rn"; |
134 | $header .= "Content-Disposition: attachment; filename=\"" |
135 | . $info['remotefilename'] . "\"$rn"; |
136 | } else { |
30e08236 |
137 | $header .= "Content-Type: $filetype$rn"; |
a3fbf5a4 |
138 | } |
77b88425 |
139 | |
a3fbf5a4 |
140 | |
141 | /* Use 'rb' for NT systems -- read binary |
142 | * Unix doesn't care -- everything's binary! :-) |
143 | */ |
144 | |
145 | $filename = $hashed_attachment_dir . '/' |
146 | . $info['localfilename']; |
147 | $file = fopen ($filename, 'rb'); |
148 | if (substr($filetype, 0, 5) == 'text/' || |
149 | substr($filetype, 0, 8) == 'message/' ) { |
21f3c131 |
150 | $header .= $rn; |
151 | if ($fp) { |
152 | fputs ($fp, $header); |
153 | } |
a3fbf5a4 |
154 | $length += strlen($header); |
155 | while ($tmp = fgets($file, 4096)) { |
156 | $tmp = str_replace("\r\n", "\n", $tmp); |
157 | $tmp = str_replace("\r", "\n", $tmp); |
158 | if ($rn == "\r\n"){ |
159 | $tmp = str_replace("\n", "\r\n", $tmp); |
160 | } |
c9829b5b |
161 | if ($fp) { |
21f3c131 |
162 | fputs($fp, $tmp); |
a3fbf5a4 |
163 | } |
a3fbf5a4 |
164 | $length += strlen($tmp); |
165 | } |
85dcc3fb |
166 | if (substr($tmp, strlen($tmp) - strlen($rn), strlen($rn)) != $rn) { |
167 | if ($fp) { |
168 | fputs($fp, $rn); |
169 | } |
170 | } |
a3fbf5a4 |
171 | } else { |
172 | $header .= "Content-Transfer-Encoding: base64" |
173 | . "$rn" . "$rn"; |
3186c0c0 |
174 | if ($fp) fputs ($fp, $header); |
a3fbf5a4 |
175 | $length += strlen($header); |
176 | while ($tmp = fread($file, 570)) { |
177 | $encoded = chunk_split(base64_encode($tmp)); |
178 | $length += strlen($encoded); |
3186c0c0 |
179 | if ($fp) fputs ($fp, $encoded); |
a1e937bb |
180 | } |
e25c2bd3 |
181 | } |
a3fbf5a4 |
182 | fclose ($file); |
e25c2bd3 |
183 | } |
e25c2bd3 |
184 | } |
185 | } |
186 | return $length; |
187 | } |
188 | |
a1e937bb |
189 | /* Delete files that are uploaded for attaching |
190 | */ |
dd7766e0 |
191 | function deleteAttachments($session) { |
192 | global $username, $attachments, $attachment_dir; |
e25c2bd3 |
193 | $hashed_attachment_dir = getHashedDir($username, $attachment_dir); |
dd7766e0 |
194 | |
195 | $rem_attachments = array(); |
196 | foreach ($attachments as $info) { |
a3fbf5a4 |
197 | if ($info['session'] == $session) { |
dd7766e0 |
198 | $attached_file = "$hashed_attachment_dir/$info[localfilename]"; |
199 | if (file_exists($attached_file)) { |
a3fbf5a4 |
200 | unlink($attached_file); |
dd7766e0 |
201 | } |
a3fbf5a4 |
202 | } else { |
203 | $rem_attachments[] = $info; |
204 | } |
dd7766e0 |
205 | } |
206 | $attachments = $rem_attachments; |
e25c2bd3 |
207 | } |
a7d75834 |
208 | |
a1e937bb |
209 | /* Return a nice MIME-boundary |
210 | */ |
e25c2bd3 |
211 | function mimeBoundary () { |
212 | static $mimeBoundaryString; |
77b88425 |
213 | |
214 | if ( !isset( $mimeBoundaryString ) || |
215 | $mimeBoundaryString == '') { |
216 | $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' . |
a3fbf5a4 |
217 | mt_rand( 10000, 99999 ); |
e25c2bd3 |
218 | } |
77b88425 |
219 | |
e25c2bd3 |
220 | return $mimeBoundaryString; |
221 | } |
7b67334e |
222 | |
e25c2bd3 |
223 | /* Time offset for correct timezone */ |
224 | function timezone () { |
225 | global $invert_time; |
226 | |
227 | $diff_second = date('Z'); |
a1e937bb |
228 | if ($invert_time) { |
e25c2bd3 |
229 | $diff_second = - $diff_second; |
a1e937bb |
230 | } |
231 | if ($diff_second > 0) { |
e25c2bd3 |
232 | $sign = '+'; |
a1e937bb |
233 | } |
234 | else { |
e25c2bd3 |
235 | $sign = '-'; |
a1e937bb |
236 | } |
237 | |
e25c2bd3 |
238 | $diff_second = abs($diff_second); |
239 | |
240 | $diff_hour = floor ($diff_second / 3600); |
241 | $diff_minute = floor (($diff_second-3600*$diff_hour) / 60); |
242 | |
243 | $zonename = '('.strftime('%Z').')'; |
a3fbf5a4 |
244 | $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute, |
245 | $zonename); |
e25c2bd3 |
246 | return ($result); |
247 | } |
248 | |
249 | /* Print all the needed RFC822 headers */ |
721a6cac |
250 | function write822Header ($fp, $t, $c, $b, $subject, $more_headers, $session, $rn="\r\n") { |
e25c2bd3 |
251 | global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT; |
252 | global $data_dir, $username, $popuser, $domain, $version, $useSendmail; |
253 | global $default_charset, $HTTP_VIA, $HTTP_X_FORWARDED_FOR; |
254 | global $REMOTE_HOST, $identity; |
721a6cac |
255 | |
a1e937bb |
256 | /* Storing the header to make sure the header is the same |
257 | * everytime the header is printed. |
258 | */ |
3186c0c0 |
259 | static $header, $headerlength, $headerrn; |
e25c2bd3 |
260 | |
261 | if ($header == '') { |
3186c0c0 |
262 | $headerrn = $rn; |
e25c2bd3 |
263 | $to = expandAddrs(parseAddrs($t)); |
264 | $cc = expandAddrs(parseAddrs($c)); |
265 | $bcc = expandAddrs(parseAddrs($b)); |
266 | if (isset($identity) && $identity != 'default') { |
267 | $reply_to = getPref($data_dir, $username, 'reply_to' . $identity); |
268 | $from = getPref($data_dir, $username, 'full_name' . $identity); |
e1225604 |
269 | $from_addr = getFrom(); |
e25c2bd3 |
270 | } else { |
aaf9abef |
271 | $reply_to = getPref($data_dir, $username, 'reply_to'); |
272 | $from = getPref($data_dir, $username, 'full_name'); |
e1225604 |
273 | $from_addr = getFrom(); |
a1e937bb |
274 | } |
e25c2bd3 |
275 | |
276 | $to_list = getLineOfAddrs($to); |
277 | $cc_list = getLineOfAddrs($cc); |
278 | $bcc_list = getLineOfAddrs($bcc); |
279 | |
280 | /* Encoding 8-bit characters and making from line */ |
281 | $subject = encodeHeader($subject); |
a1e937bb |
282 | if ($from == '') { |
7b67334e |
283 | $from = "<$from_addr>"; |
a1e937bb |
284 | } |
285 | else { |
ec9f1c41 |
286 | $from = '"' . encodeHeader($from) . "\" <$from_addr>"; |
a1e937bb |
287 | } |
e25c2bd3 |
288 | |
289 | /* This creates an RFC 822 date */ |
290 | $date = date("D, j M Y H:i:s ", mktime()) . timezone(); |
291 | |
292 | /* Create a message-id */ |
293 | $message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.'; |
294 | $message_id .= time() . '.squirrel@' . $SERVER_NAME .'>'; |
295 | |
296 | /* Make an RFC822 Received: line */ |
a1e937bb |
297 | if (isset($REMOTE_HOST)) { |
8a2848f0 |
298 | $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])"; |
a1e937bb |
299 | } |
300 | else { |
8a2848f0 |
301 | $received_from = $REMOTE_ADDR; |
a1e937bb |
302 | } |
77b88425 |
303 | |
e25c2bd3 |
304 | if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) { |
a1e937bb |
305 | if ($HTTP_X_FORWARDED_FOR == '') { |
e25c2bd3 |
306 | $HTTP_X_FORWARDED_FOR = 'unknown'; |
a1e937bb |
307 | } |
9949206d |
308 | $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)"; |
7e235a1a |
309 | } |
310 | |
a3fbf5a4 |
311 | $header = "Received: from $received_from" . $rn; |
312 | $header .= " (SquirrelMail authenticated user $username)" . $rn; |
313 | $header .= " by $SERVER_NAME with HTTP;" . $rn; |
314 | $header .= " $date" . $rn; |
7e235a1a |
315 | |
e25c2bd3 |
316 | /* Insert the rest of the header fields */ |
a3fbf5a4 |
317 | $header .= "Message-ID: $message_id" . $rn; |
318 | $header .= "Date: $date" . $rn; |
319 | $header .= "Subject: $subject" . $rn; |
320 | $header .= "From: $from" . $rn; |
321 | $header .= "To: $to_list" . $rn; // Who it's TO |
7e235a1a |
322 | |
604e2c03 |
323 | if (isset($more_headers["Content-Type"])) { |
7e235a1a |
324 | $contentType = $more_headers["Content-Type"]; |
325 | unset($more_headers["Content-Type"]); |
326 | } |
604e2c03 |
327 | else { |
dd7766e0 |
328 | if (isMultipart($session)) { |
7e235a1a |
329 | $contentType = "multipart/mixed;"; |
604e2c03 |
330 | } |
331 | else { |
7e235a1a |
332 | if ($default_charset != '') { |
333 | $contentType = 'text/plain; charset='.$default_charset; |
334 | } |
335 | else { |
336 | $contentType = 'text/plain;'; |
337 | } |
338 | } |
77b88425 |
339 | } |
7e235a1a |
340 | |
341 | /* Insert headers from the $more_headers array */ |
342 | if(is_array($more_headers)) { |
e25c2bd3 |
343 | reset($more_headers); |
344 | while(list($h_name, $h_val) = each($more_headers)) { |
721a6cac |
345 | if ($h_name == 'References') { |
346 | $h_val = str_replace(' ', "$rn ", $h_val); |
347 | } |
a3fbf5a4 |
348 | $header .= sprintf("%s: %s%s", $h_name, $h_val, $rn); |
e25c2bd3 |
349 | } |
350 | } |
7e235a1a |
351 | |
e25c2bd3 |
352 | if ($cc_list) { |
a3fbf5a4 |
353 | $header .= "Cc: $cc_list" . $rn; // Who the CCs are |
e25c2bd3 |
354 | } |
7e235a1a |
355 | |
a1e937bb |
356 | if ($reply_to != '') { |
a3fbf5a4 |
357 | $header .= "Reply-To: $reply_to" . $rn; |
a1e937bb |
358 | } |
7e235a1a |
359 | |
e25c2bd3 |
360 | if ($useSendmail) { |
7b67334e |
361 | if ($bcc_list) { |
e25c2bd3 |
362 | // BCCs is removed from header by sendmail |
a3fbf5a4 |
363 | $header .= "Bcc: $bcc_list" . $rn; |
7b67334e |
364 | } |
e25c2bd3 |
365 | } |
7e235a1a |
366 | |
a3fbf5a4 |
367 | /* Identify SquirrelMail */ |
368 | $header .= "X-Mailer: SquirrelMail (version $version)" . $rn; |
77b88425 |
369 | |
a1e937bb |
370 | /* Do the MIME-stuff */ |
a3fbf5a4 |
371 | $header .= "MIME-Version: 1.0" . $rn; |
7e235a1a |
372 | |
dd7766e0 |
373 | if (isMultipart($session)) { |
604e2c03 |
374 | $header .= 'Content-Type: '.$contentType.' boundary="'; |
375 | $header .= mimeBoundary(); |
a3fbf5a4 |
376 | $header .= "\"$rn"; |
e25c2bd3 |
377 | } else { |
a3fbf5a4 |
378 | $header .= 'Content-Type: ' . $contentType . $rn; |
379 | $header .= "Content-Transfer-Encoding: 8bit" . $rn; |
e25c2bd3 |
380 | } |
a3fbf5a4 |
381 | $header .= $rn; // One blank line to separate header and body |
e25c2bd3 |
382 | |
383 | $headerlength = strlen($header); |
384 | } |
3186c0c0 |
385 | |
386 | if ($headerrn != $rn) { |
387 | $header = str_replace($headerrn, $rn, $header); |
388 | $headerlength = strlen($header); |
389 | $headerrn = $rn; |
390 | } |
e25c2bd3 |
391 | |
a1e937bb |
392 | /* Write the header */ |
3186c0c0 |
393 | if ($fp) fputs ($fp, $header); |
e25c2bd3 |
394 | |
395 | return $headerlength; |
396 | } |
17ce8467 |
397 | |
a1e937bb |
398 | /* Send the body |
399 | */ |
721a6cac |
400 | function writeBody ($fp, $passedBody, $session, $rn="\r\n") { |
e25c2bd3 |
401 | global $default_charset; |
a3fbf5a4 |
402 | |
e25c2bd3 |
403 | $attachmentlength = 0; |
404 | |
dd7766e0 |
405 | if (isMultipart($session)) { |
a3fbf5a4 |
406 | $body = '--'.mimeBoundary() . $rn; |
e25c2bd3 |
407 | |
a1e937bb |
408 | if ($default_charset != "") { |
a3fbf5a4 |
409 | $body .= "Content-Type: text/plain; charset=$default_charset".$rn; |
a1e937bb |
410 | } |
411 | else { |
a3fbf5a4 |
412 | $body .= "Content-Type: text/plain" . $rn; |
a1e937bb |
413 | } |
e25c2bd3 |
414 | |
a3fbf5a4 |
415 | $body .= "Content-Transfer-Encoding: 8bit" . $rn . $rn; |
416 | $body .= $passedBody . $rn . $rn; |
3186c0c0 |
417 | if ($fp) fputs ($fp, $body); |
e25c2bd3 |
418 | |
721a6cac |
419 | $attachmentlength = attachFiles($fp, $session, $rn); |
e25c2bd3 |
420 | |
a1e937bb |
421 | if (!isset($postbody)) { |
422 | $postbody = ""; |
423 | } |
a3fbf5a4 |
424 | $postbody .= $rn . "--" . mimeBoundary() . "--" . $rn . $rn; |
3186c0c0 |
425 | if ($fp) fputs ($fp, $postbody); |
e25c2bd3 |
426 | } else { |
a3fbf5a4 |
427 | $body = $passedBody . $rn; |
3186c0c0 |
428 | if ($fp) fputs ($fp, $body); |
a3fbf5a4 |
429 | $postbody = $rn; |
3186c0c0 |
430 | if ($fp) fputs ($fp, $postbody); |
e25c2bd3 |
431 | } |
7e235a1a |
432 | |
e25c2bd3 |
433 | return (strlen($body) + strlen($postbody) + $attachmentlength); |
434 | } |
17ce8467 |
435 | |
a1e937bb |
436 | /* Send mail using the sendmail command |
437 | */ |
dd7766e0 |
438 | function sendSendmail($t, $c, $b, $subject, $body, $more_headers, $session) { |
e25c2bd3 |
439 | global $sendmail_path, $popuser, $username, $domain; |
440 | |
a1e937bb |
441 | /* Build envelope sender address. Make sure it doesn't contain |
442 | * spaces or other "weird" chars that would allow a user to |
443 | * exploit the shell/pipe it is used in. |
444 | */ |
e1225604 |
445 | $envelopefrom = getFrom(); |
e25c2bd3 |
446 | $envelopefrom = ereg_replace("[[:blank:]]",'', $envelopefrom); |
447 | $envelopefrom = ereg_replace("[[:space:]]",'', $envelopefrom); |
448 | $envelopefrom = ereg_replace("[[:cntrl:]]",'', $envelopefrom); |
449 | |
a3fbf5a4 |
450 | /** |
451 | * open pipe to sendmail or qmail-inject |
452 | * (qmail-inject doesn't accept -t param) |
453 | */ |
e25c2bd3 |
454 | if (strstr($sendmail_path, "qmail-inject")) { |
455 | $fp = popen (escapeshellcmd("$sendmail_path -f$envelopefrom"), "w"); |
456 | } else { |
457 | $fp = popen (escapeshellcmd("$sendmail_path -t -f$envelopefrom"), "w"); |
458 | } |
459 | |
a3fbf5a4 |
460 | $headerlength = write822Header ($fp, $t, $c, $b, $subject, |
721a6cac |
461 | $more_headers, $session, "\n"); |
462 | $bodylength = writeBody($fp, $body, $session, "\n"); |
e25c2bd3 |
463 | |
464 | pclose($fp); |
e1225604 |
465 | |
e25c2bd3 |
466 | return ($headerlength + $bodylength); |
467 | } |
468 | |
469 | function smtpReadData($smtpConnection) { |
470 | $read = fgets($smtpConnection, 1024); |
471 | $counter = 0; |
472 | while ($read) { |
473 | echo $read . '<BR>'; |
474 | $data[$counter] = $read; |
475 | $read = fgets($smtpConnection, 1024); |
476 | $counter++; |
477 | } |
478 | } |
479 | |
dd7766e0 |
480 | function sendSMTP($t, $c, $b, $subject, $body, $more_headers, $session) { |
e25c2bd3 |
481 | global $username, $popuser, $domain, $version, $smtpServerAddress, |
482 | $smtpPort, $data_dir, $color, $use_authenticated_smtp, $identity, |
483 | $key, $onetimepad; |
484 | |
485 | $to = expandRcptAddrs(parseAddrs($t)); |
486 | $cc = expandRcptAddrs(parseAddrs($c)); |
487 | $bcc = expandRcptAddrs(parseAddrs($b)); |
a1e937bb |
488 | if (isset($identity) && $identity != 'default') { |
a3fbf5a4 |
489 | $from_addr = getPref($data_dir, $username, |
490 | 'email_address' . $identity); |
a1e937bb |
491 | } |
492 | else { |
e25c2bd3 |
493 | $from_addr = getPref($data_dir, $username, 'email_address'); |
a1e937bb |
494 | } |
e25c2bd3 |
495 | |
a1e937bb |
496 | if (!$from_addr) { |
e25c2bd3 |
497 | $from_addr = "$popuser@$domain"; |
a1e937bb |
498 | } |
2044f95a |
499 | |
500 | /* POP3 BEFORE SMTP CODE HERE */ |
501 | global $pop_before_smtp; |
502 | if (isset($pop_before_smtp) && $pop_before_smtp === true) { |
503 | if (!isset($pop_port)) { |
504 | $pop_port = 110; |
505 | } |
506 | if (!isset($pop_server)) { |
507 | $pop_server = $smtpServerAddress; /* usually the same host! */ |
508 | } |
509 | $popConnection = fsockopen($pop_server, $pop_port, $err_no, $err_str); |
510 | if (!$popConnection) { |
511 | error_log("Error connecting to POP Server ($pop_server:$pop_port)" |
512 | . " $err_no : $err_str"); |
513 | } else { |
514 | $tmp = fgets($popConnection, 1024); /* banner */ |
515 | if (!eregi("^\+OK", $tmp, $regs)) { |
516 | return(0); |
517 | } |
518 | fputs($popConnection, "USER $username\r\n"); |
519 | $tmp = fgets($popConnection, 1024); |
520 | if (!eregi("^\+OK", $tmp, $regs)) { |
521 | return(0); |
522 | } |
523 | fputs($popConnection, 'PASS ' . OneTimePadDecrypt($key, $onetimepad) . "\r\n"); |
524 | $tmp = fgets($popConnection, 1024); |
525 | if (!eregi("^\+OK", $tmp, $regs)) { |
526 | return(0); |
527 | } |
528 | fputs($popConnection, "QUIT\r\n"); /* log off */ |
529 | fclose($popConnection); |
530 | } |
531 | } |
e25c2bd3 |
532 | |
a3fbf5a4 |
533 | $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, |
534 | $errorNumber, $errorString); |
e25c2bd3 |
535 | if (!$smtpConnection) { |
536 | echo 'Error connecting to SMTP Server.<br>'; |
537 | echo "$errorNumber : $errorString<br>"; |
538 | exit; |
539 | } |
540 | $tmp = fgets($smtpConnection, 1024); |
14c62c12 |
541 | if (errorCheck($tmp, $smtpConnection)!=5) { |
542 | return(0); |
543 | } |
e25c2bd3 |
544 | |
545 | $to_list = getLineOfAddrs($to); |
546 | $cc_list = getLineOfAddrs($cc); |
547 | |
a1e937bb |
548 | /* Lets introduce ourselves */ |
a3fbf5a4 |
549 | if (! isset ($use_authenticated_smtp) |
550 | || $use_authenticated_smtp == false) { |
e25c2bd3 |
551 | fputs($smtpConnection, "HELO $domain\r\n"); |
552 | $tmp = fgets($smtpConnection, 1024); |
553 | if (errorCheck($tmp, $smtpConnection)!=5) return(0); |
554 | } else { |
555 | fputs($smtpConnection, "EHLO $domain\r\n"); |
556 | $tmp = fgets($smtpConnection, 1024); |
557 | if (errorCheck($tmp, $smtpConnection)!=5) return(0); |
558 | |
559 | fputs($smtpConnection, "AUTH LOGIN\r\n"); |
560 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
561 | if (errorCheck($tmp, $smtpConnection)!=5) { |
562 | return(0); |
563 | } |
77b88425 |
564 | |
e25c2bd3 |
565 | fputs($smtpConnection, base64_encode ($username) . "\r\n"); |
566 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
567 | if (errorCheck($tmp, $smtpConnection)!=5) { |
568 | return(0); |
569 | } |
e25c2bd3 |
570 | |
a3fbf5a4 |
571 | fputs($smtpConnection, base64_encode |
572 | (OneTimePadDecrypt($key, $onetimepad)) . "\r\n"); |
e25c2bd3 |
573 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
574 | if (errorCheck($tmp, $smtpConnection)!=5) { |
575 | return(0); |
576 | } |
e25c2bd3 |
577 | } |
578 | |
a1e937bb |
579 | /* Ok, who is sending the message? */ |
e25c2bd3 |
580 | fputs($smtpConnection, "MAIL FROM: <$from_addr>\r\n"); |
581 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
582 | if (errorCheck($tmp, $smtpConnection)!=5) { |
583 | return(0); |
584 | } |
e25c2bd3 |
585 | |
a1e937bb |
586 | /* send who the recipients are */ |
e25c2bd3 |
587 | for ($i = 0; $i < count($to); $i++) { |
588 | fputs($smtpConnection, "RCPT TO: $to[$i]\r\n"); |
589 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
590 | if (errorCheck($tmp, $smtpConnection)!=5) { |
591 | return(0); |
592 | } |
e25c2bd3 |
593 | } |
594 | for ($i = 0; $i < count($cc); $i++) { |
595 | fputs($smtpConnection, "RCPT TO: $cc[$i]\r\n"); |
596 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
597 | if (errorCheck($tmp, $smtpConnection)!=5) { |
598 | return(0); |
599 | } |
e25c2bd3 |
600 | } |
601 | for ($i = 0; $i < count($bcc); $i++) { |
602 | fputs($smtpConnection, "RCPT TO: $bcc[$i]\r\n"); |
603 | $tmp = fgets($smtpConnection, 1024); |
77b88425 |
604 | if (errorCheck($tmp, $smtpConnection)!=5) { |
a1e937bb |
605 | return(0); |
606 | } |
e25c2bd3 |
607 | } |
77b88425 |
608 | |
a1e937bb |
609 | /* Lets start sending the actual message */ |
e25c2bd3 |
610 | fputs($smtpConnection, "DATA\r\n"); |
611 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
612 | if (errorCheck($tmp, $smtpConnection)!=5) { |
613 | return(0); |
614 | } |
77b88425 |
615 | |
a1e937bb |
616 | /* Send the message */ |
a3fbf5a4 |
617 | $headerlength = write822Header ($smtpConnection, $t, $c, $b, |
618 | $subject, $more_headers, $session); |
dd7766e0 |
619 | $bodylength = writeBody($smtpConnection, $body, $session); |
e25c2bd3 |
620 | |
a1e937bb |
621 | fputs($smtpConnection, ".\r\n"); /* end the DATA part */ |
e25c2bd3 |
622 | $tmp = fgets($smtpConnection, 1024); |
623 | $num = errorCheck($tmp, $smtpConnection, true); |
624 | if ($num != 250) { |
e25c2bd3 |
625 | return(0); |
626 | } |
627 | |
a1e937bb |
628 | fputs($smtpConnection, "QUIT\r\n"); /* log off */ |
e25c2bd3 |
629 | |
630 | fclose($smtpConnection); |
631 | |
632 | return ($headerlength + $bodylength); |
633 | } |
60994e13 |
634 | |
60994e13 |
635 | |
e25c2bd3 |
636 | function errorCheck($line, $smtpConnection, $verbose = false) { |
8f8f3a4e |
637 | global $color, $compose_new_win; |
e25c2bd3 |
638 | |
a1e937bb |
639 | /* Read new lines on a multiline response */ |
e25c2bd3 |
640 | $lines = $line; |
641 | while(ereg("^[0-9]+-", $line)) { |
642 | $line = fgets($smtpConnection, 1024); |
643 | $lines .= $line; |
644 | } |
645 | |
a1e937bb |
646 | /* Status: 0 = fatal |
647 | * 5 = ok |
648 | */ |
e25c2bd3 |
649 | $err_num = substr($line, 0, strpos($line, " ")); |
650 | switch ($err_num) { |
651 | case 500: $message = 'Syntax error; command not recognized'; |
652 | $status = 0; |
653 | break; |
654 | case 501: $message = 'Syntax error in parameters or arguments'; |
655 | $status = 0; |
656 | break; |
657 | case 502: $message = 'Command not implemented'; |
658 | $status = 0; |
659 | break; |
660 | case 503: $message = 'Bad sequence of commands'; |
661 | $status = 0; |
662 | break; |
663 | case 504: $message = 'Command parameter not implemented'; |
664 | $status = 0; |
a1e937bb |
665 | break; |
e25c2bd3 |
666 | |
667 | case 211: $message = 'System status, or system help reply'; |
668 | $status = 5; |
669 | break; |
670 | case 214: $message = 'Help message'; |
671 | $status = 5; |
672 | break; |
673 | |
e25c2bd3 |
674 | case 220: $message = 'Service ready'; |
675 | $status = 5; |
676 | break; |
677 | case 221: $message = 'Service closing transmission channel'; |
678 | $status = 5; |
679 | break; |
a1e937bb |
680 | |
e25c2bd3 |
681 | case 421: $message = 'Service not available, closing chanel'; |
682 | $status = 0; |
683 | break; |
684 | |
a1e937bb |
685 | case 235: return(5); |
686 | break; |
e25c2bd3 |
687 | case 250: $message = 'Requested mail action okay, completed'; |
688 | $status = 5; |
689 | break; |
690 | case 251: $message = 'User not local; will forward'; |
691 | $status = 5; |
692 | break; |
693 | case 334: return(5); break; |
694 | case 450: $message = 'Requested mail action not taken: mailbox unavailable'; |
695 | $status = 0; |
696 | break; |
697 | case 550: $message = 'Requested action not taken: mailbox unavailable'; |
698 | $status = 0; |
699 | break; |
700 | case 451: $message = 'Requested action aborted: error in processing'; |
701 | $status = 0; |
702 | break; |
703 | case 551: $message = 'User not local; please try forwarding'; |
704 | $status = 0; |
705 | break; |
706 | case 452: $message = 'Requested action not taken: insufficient system storage'; |
707 | $status = 0; |
708 | break; |
709 | case 552: $message = 'Requested mail action aborted: exceeding storage allocation'; |
710 | $status = 0; |
711 | break; |
712 | case 553: $message = 'Requested action not taken: mailbox name not allowed'; |
713 | $status = 0; |
714 | break; |
715 | case 354: $message = 'Start mail input; end with .'; |
716 | $status = 5; |
717 | break; |
718 | case 554: $message = 'Transaction failed'; |
719 | $status = 0; |
720 | break; |
721 | default: $message = 'Unknown response: '. nl2br(htmlspecialchars($lines)); |
722 | $status = 0; |
723 | $error_num = '001'; |
724 | break; |
725 | } |
7e235a1a |
726 | |
e25c2bd3 |
727 | if ($status == 0) { |
728 | include_once('../functions/page_header.php'); |
8f8f3a4e |
729 | if ($compose_new_win == '1') { |
730 | compose_Header($color, 'None'); |
731 | } |
7e235a1a |
732 | else { |
8f8f3a4e |
733 | displayPageHeader($color, 'None'); |
734 | } |
e25c2bd3 |
735 | include_once('../functions/display_messages.php'); |
736 | $lines = nl2br(htmlspecialchars($lines)); |
737 | $msg = $message . "<br>\nServer replied: $lines"; |
738 | plain_error_message($msg, $color); |
739 | } |
740 | if (! $verbose) return $status; |
741 | return $err_num; |
742 | } |
743 | |
67c2f5ea |
744 | /* create new reference header per rfc2822 */ |
745 | |
746 | function calculate_references($refs, $inreplyto, $old_reply_to) { |
721a6cac |
747 | |
67c2f5ea |
748 | $refer = ""; |
749 | for ($i=1;$i<count($refs[0]);$i++) { |
750 | if (!empty($refs[0][$i])) { |
751 | if (preg_match("/^References:(.+)$/", $refs[0][$i], $regs)) { |
752 | $refer = trim($regs[1]); |
753 | } |
754 | else { |
755 | $refer .= ' ' . trim($refs[0][$i]); |
756 | } |
757 | } |
758 | } |
759 | $refer = trim($refer); |
760 | if (strlen($refer) > 2) { |
761 | $refer .= ' ' . $inreplyto; |
762 | } |
763 | else { |
764 | if (!empty($old_reply_to)) { |
765 | $refer .= $old_reply_to . ' ' . $inreplyto; |
766 | } |
767 | else { |
768 | $refer .= $inreplyto; |
2044f95a |
769 | } |
67c2f5ea |
770 | } |
771 | trim($refer); |
67c2f5ea |
772 | return $refer; |
773 | } |
774 | |
a3fbf5a4 |
775 | function sendMessage($t, $c, $b, $subject, $body, $reply_id, $MDN, |
776 | $prio = 3, $session) { |
77b88425 |
777 | global $useSendmail, $msg_id, $is_reply, $mailbox, $onetimepad, |
a3fbf5a4 |
778 | $data_dir, $username, $domain, $key, $version, $sent_folder, |
779 | $imapServerAddress, $imapPort, $default_use_priority, $more_headers, |
c9829b5b |
780 | $request_mdn, $request_dr, $uid_support; |
77b88425 |
781 | |
e25c2bd3 |
782 | $more_headers = Array(); |
783 | |
77b88425 |
784 | do_hook('smtp_send'); |
785 | |
a3fbf5a4 |
786 | $imap_stream = sqimap_login($username, $key, $imapServerAddress, |
787 | $imapPort, 1); |
77b88425 |
788 | |
e25c2bd3 |
789 | if (isset($reply_id) && $reply_id) { |
790 | sqimap_mailbox_select ($imap_stream, $mailbox); |
791 | sqimap_messages_flag ($imap_stream, $reply_id, $reply_id, 'Answered'); |
77b88425 |
792 | |
793 | /* Insert In-Reply-To and References headers if the |
a1e937bb |
794 | * message-id of the message we reply to is set (longer than "<>") |
795 | * The References header should really be the old Referenced header |
67c2f5ea |
796 | * with the message ID appended, and now it is (jmunro) |
a1e937bb |
797 | */ |
c9829b5b |
798 | $sid = sqimap_session_id($uid_support); |
41336c5f |
799 | $query = "$sid FETCH $reply_id (BODY.PEEK[HEADER.FIELDS (Message-Id In-Reply-To)])\r\n"; |
800 | fputs ($imap_stream, $query); |
721a6cac |
801 | $read = sqimap_read_data($imap_stream, $sid, true, $response, $message); |
41336c5f |
802 | $message_id = ''; |
803 | $in_reply_to = ''; |
721a6cac |
804 | |
805 | foreach ($read as $r) { |
41336c5f |
806 | if (preg_match("/^message-id:(.*)/iA", $r, $regs)) { |
807 | $message_id = trim($regs[1]); |
808 | } |
809 | if (preg_match("/^in-reply-to:(.*)/iA", $r, $regs)) { |
810 | $in_reply_to = trim($regs[1]); |
811 | } |
41336c5f |
812 | } |
721a6cac |
813 | |
41336c5f |
814 | if(strlen($message_id) > 2) { |
67c2f5ea |
815 | $refs = get_reference_header ($imap_stream, $reply_id); |
41336c5f |
816 | $inreplyto = $message_id; |
817 | $old_reply_to = $in_reply_to; |
67c2f5ea |
818 | $refer = calculate_references ($refs, $inreplyto, $old_reply_to); |
819 | $more_headers['In-Reply-To'] = $inreplyto; |
820 | $more_headers['References'] = $refer; |
e25c2bd3 |
821 | } |
41336c5f |
822 | |
e25c2bd3 |
823 | } |
824 | if ($default_use_priority) { |
825 | $more_headers = array_merge($more_headers, createPriorityHeaders($prio)); |
826 | } |
77b88425 |
827 | |
604e2c03 |
828 | $requestRecipt = 0; |
829 | if (isset($request_dr)) { |
830 | $requestRecipt += 1; |
831 | } |
832 | if (isset($request_mdn)) { |
833 | $requestRecipt += 2; |
834 | } |
835 | if ( $requestRecipt > 0) { |
836 | $more_headers = array_merge($more_headers, createReceiptHeaders($requestRecipt)); |
837 | } |
838 | |
a1e937bb |
839 | /* In order to remove the problem of users not able to create |
840 | * messages with "." on a blank line, RFC821 has made provision |
841 | * in section 4.5.2 (Transparency). |
842 | */ |
e25c2bd3 |
843 | $body = ereg_replace("\n\\.", "\n..", $body); |
844 | $body = ereg_replace("^\\.", "..", $body); |
77b88425 |
845 | |
a1e937bb |
846 | /* this is to catch all plain \n instances and |
847 | * replace them with \r\n. All newlines were converted |
848 | * into just \n inside the compose.php file. |
a3fbf5a4 |
849 | * But only if delimiter is, in fact, \r\n. |
a1e937bb |
850 | */ |
604e2c03 |
851 | |
852 | if ($MDN) { |
853 | $more_headers["Content-Type"] = "multipart/report; ". |
854 | "report-type=disposition-notification;"; |
855 | } |
77b88425 |
856 | |
e25c2bd3 |
857 | if ($useSendmail) { |
a3fbf5a4 |
858 | $length = sendSendmail($t, $c, $b, $subject, $body, $more_headers, |
859 | $session); |
3186c0c0 |
860 | $body = ereg_replace("\n", "\r\n", $body); |
e25c2bd3 |
861 | } else { |
721a6cac |
862 | $body = ereg_replace("\n", "\r\n", $body); |
a3fbf5a4 |
863 | $length = sendSMTP($t, $c, $b, $subject, $body, $more_headers, |
864 | $session); |
e25c2bd3 |
865 | } |
e25c2bd3 |
866 | if (sqimap_mailbox_exists ($imap_stream, $sent_folder)) { |
3186c0c0 |
867 | $headerlength = write822Header (FALSE, $t, $c, $b, $subject, $more_headers, $session, "\r\n"); |
868 | $bodylength = writeBody(FALSE, $body, $session, "\r\n"); |
869 | $length = $headerlength + $bodylength; |
870 | |
e25c2bd3 |
871 | sqimap_append ($imap_stream, $sent_folder, $length); |
a3fbf5a4 |
872 | write822Header ($imap_stream, $t, $c, $b, $subject, $more_headers, |
873 | $session); |
dd7766e0 |
874 | writeBody ($imap_stream, $body, $session); |
e25c2bd3 |
875 | sqimap_append_done ($imap_stream); |
876 | } |
877 | sqimap_logout($imap_stream); |
a1e937bb |
878 | /* Delete the files uploaded for attaching (if any). |
879 | * only if $length != 0 (if there was no error) |
880 | */ |
77b88425 |
881 | if ($length) { |
dd7766e0 |
882 | ClearAttachments($session); |
77b88425 |
883 | } |
884 | |
e25c2bd3 |
885 | return $length; |
886 | } |
d1b8b679 |
887 | |
e25c2bd3 |
888 | function createPriorityHeaders($prio) { |
889 | $prio_headers = Array(); |
77b88425 |
890 | $prio_headers['X-Priority'] = $prio; |
891 | |
e25c2bd3 |
892 | switch($prio) { |
77b88425 |
893 | case 1: $prio_headers['Importance'] = 'High'; |
894 | $prio_headers['X-MSMail-Priority'] = 'High'; |
e25c2bd3 |
895 | break; |
77b88425 |
896 | |
897 | case 3: $prio_headers['Importance'] = 'Normal'; |
898 | $prio_headers['X-MSMail-Priority'] = 'Normal'; |
e25c2bd3 |
899 | break; |
77b88425 |
900 | |
e25c2bd3 |
901 | case 5: |
77b88425 |
902 | $prio_headers['Importance'] = 'Low'; |
903 | $prio_headers['X-MSMail-Priority'] = 'Low'; |
e25c2bd3 |
904 | break; |
905 | } |
906 | return $prio_headers; |
907 | } |
020abcf3 |
908 | |
604e2c03 |
909 | function createReceiptHeaders($receipt) { |
0804c276 |
910 | |
a250d021 |
911 | GLOBAL $data_dir, $username, $identity, $popuser, $domain; |
0804c276 |
912 | |
913 | $receipt_headers = Array(); |
7aaa1434 |
914 | if (isset($identity) && $identity != 'default') { |
915 | $from = getPref($data_dir, $username, 'full_name' . $identity); |
916 | $from_addr = getPref($data_dir, $username, 'email_address' . $identity); |
917 | } else { |
918 | $from = getPref($data_dir, $username, 'full_name'); |
919 | $from_addr = getPref($data_dir, $username, 'email_address'); |
920 | } |
921 | if ($from_addr == '') { |
922 | $from_addr = $popuser.'@'.$domain; |
923 | } |
0804c276 |
924 | |
925 | if ($from == '') { |
926 | $from = "<$from_addr>"; |
927 | } |
928 | else { |
929 | $from = '"' . encodeHeader($from) . "\" <$from_addr>"; |
930 | } |
931 | |
932 | /* On Delivery */ |
933 | if ( $receipt == 1 |
934 | || $receipt == 3 ) { |
935 | $receipt_headers["Return-Receipt-To"] = $from; |
936 | } |
937 | /* On Read */ |
938 | if ($receipt == 2 |
939 | || $receipt == 3 ) { |
940 | /* Pegasus Mail */ |
941 | $receipt_headers["X-Confirm-Reading-To"] = $from; |
942 | /* RFC 2298 */ |
943 | $receipt_headers["Disposition-Notification-To"] = $from; |
944 | } |
945 | return $receipt_headers; |
946 | } |
604e2c03 |
947 | |
e1225604 |
948 | /* Figure out what the 'From:' address is |
949 | */ |
950 | |
951 | function getFrom() { |
952 | global $username, $popuser, $domain, $data_dir, $identity; |
953 | if (isset($identity) && $identity != 'default') { |
954 | $from_addr = getPref($data_dir, $username, |
955 | 'email_address' . $identity); |
956 | } |
957 | else { |
958 | $from_addr = getPref($data_dir, $username, 'email_address'); |
959 | } |
960 | |
961 | if (!$from_addr) { |
962 | $from_addr = "$popuser@$domain"; |
963 | } |
964 | return $from_addr; |
965 | } |
966 | |
604e2c03 |
967 | |
020abcf3 |
968 | ?> |