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 $array; |
108 | } |
93555af8 |
109 | |
4ba45d11 |
110 | |
77b88425 |
111 | /* Attach the files that are due to be attached |
a1e937bb |
112 | */ |
b3494a62 |
113 | function attachFiles ($fp, $session, $rn="\r\n", $checkdot = false) { |
6fbd125b |
114 | global $attachments, $attachment_dir, $username, $languages, $squirrelmail_language; |
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'] != '') { |
6fbd125b |
132 | $remotefilename = $info['remotefilename']; |
133 | if (function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) { |
134 | $remotefilename = |
135 | $languages[$squirrelmail_language]['XTRA_CODE']('encode', $remotefilename); |
136 | } |
a3fbf5a4 |
137 | $header .= "Content-Type: $filetype; name=\"" . |
6fbd125b |
138 | encodeHeader($remotefilename) . "\"$rn"; |
a3fbf5a4 |
139 | $header .= "Content-Disposition: attachment; filename=\"" |
6fbd125b |
140 | . encodeHeader($remotefilename) . "\"$rn"; |
a3fbf5a4 |
141 | } else { |
30e08236 |
142 | $header .= "Content-Type: $filetype$rn"; |
a3fbf5a4 |
143 | } |
77b88425 |
144 | |
a3fbf5a4 |
145 | |
146 | /* Use 'rb' for NT systems -- read binary |
147 | * Unix doesn't care -- everything's binary! :-) |
148 | */ |
149 | |
150 | $filename = $hashed_attachment_dir . '/' |
151 | . $info['localfilename']; |
152 | $file = fopen ($filename, 'rb'); |
153 | if (substr($filetype, 0, 5) == 'text/' || |
154 | substr($filetype, 0, 8) == 'message/' ) { |
21f3c131 |
155 | $header .= $rn; |
156 | if ($fp) { |
157 | fputs ($fp, $header); |
158 | } |
a3fbf5a4 |
159 | $length += strlen($header); |
b3494a62 |
160 | if ($checkdot) { |
161 | $checkdot_begin=true; |
162 | } else { |
163 | $checkdot_begin=false; |
164 | } |
a3fbf5a4 |
165 | while ($tmp = fgets($file, 4096)) { |
166 | $tmp = str_replace("\r\n", "\n", $tmp); |
167 | $tmp = str_replace("\r", "\n", $tmp); |
b3494a62 |
168 | /* In order to remove the problem of users not able to create |
169 | * messages with "." on a blank line, RFC821 has made provision |
170 | * in section 4.5.2 (Transparency). |
171 | */ |
172 | if ($tmp{0} == '.' && $checkdot_begin) { |
173 | $tmp = '.' . $tmp; |
174 | } |
175 | if ($checkdot) { |
176 | $tmp = str_replace("\n.","\n..",$tmp); |
177 | } |
178 | |
a3fbf5a4 |
179 | if ($rn == "\r\n"){ |
180 | $tmp = str_replace("\n", "\r\n", $tmp); |
181 | } |
b3494a62 |
182 | $tmp_length = strlen($tmp); |
183 | if ($tmp{$tmp_length-1} == "\n" && $checkdot) { |
184 | $checkdot_begin = true; |
185 | } else { |
186 | $checkdot_begin = false; |
187 | } |
188 | if ($fp) { |
189 | fputs($fp, $tmp); |
a3fbf5a4 |
190 | } |
b3494a62 |
191 | $length += strlen($tmp_length); |
a3fbf5a4 |
192 | } |
b3494a62 |
193 | |
85dcc3fb |
194 | if (substr($tmp, strlen($tmp) - strlen($rn), strlen($rn)) != $rn) { |
195 | if ($fp) { |
196 | fputs($fp, $rn); |
197 | } |
198 | } |
a3fbf5a4 |
199 | } else { |
200 | $header .= "Content-Transfer-Encoding: base64" |
201 | . "$rn" . "$rn"; |
3186c0c0 |
202 | if ($fp) fputs ($fp, $header); |
a3fbf5a4 |
203 | $length += strlen($header); |
204 | while ($tmp = fread($file, 570)) { |
205 | $encoded = chunk_split(base64_encode($tmp)); |
206 | $length += strlen($encoded); |
3186c0c0 |
207 | if ($fp) fputs ($fp, $encoded); |
a1e937bb |
208 | } |
e25c2bd3 |
209 | } |
a3fbf5a4 |
210 | fclose ($file); |
e25c2bd3 |
211 | } |
e25c2bd3 |
212 | } |
213 | } |
214 | return $length; |
215 | } |
216 | |
a1e937bb |
217 | /* Delete files that are uploaded for attaching |
218 | */ |
dd7766e0 |
219 | function deleteAttachments($session) { |
46beee9f |
220 | global $username, $attachments, $attachment_dir, $data_dir; |
e25c2bd3 |
221 | $hashed_attachment_dir = getHashedDir($username, $attachment_dir); |
dd7766e0 |
222 | |
223 | $rem_attachments = array(); |
224 | foreach ($attachments as $info) { |
a3fbf5a4 |
225 | if ($info['session'] == $session) { |
dd7766e0 |
226 | $attached_file = "$hashed_attachment_dir/$info[localfilename]"; |
227 | if (file_exists($attached_file)) { |
a3fbf5a4 |
228 | unlink($attached_file); |
dd7766e0 |
229 | } |
a3fbf5a4 |
230 | } else { |
231 | $rem_attachments[] = $info; |
232 | } |
dd7766e0 |
233 | } |
234 | $attachments = $rem_attachments; |
46beee9f |
235 | setPref($data_dir, $username, 'attachments', serialize($attachments)); |
e25c2bd3 |
236 | } |
a7d75834 |
237 | |
a1e937bb |
238 | /* Return a nice MIME-boundary |
239 | */ |
e25c2bd3 |
240 | function mimeBoundary () { |
241 | static $mimeBoundaryString; |
77b88425 |
242 | |
243 | if ( !isset( $mimeBoundaryString ) || |
244 | $mimeBoundaryString == '') { |
245 | $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' . |
a3fbf5a4 |
246 | mt_rand( 10000, 99999 ); |
e25c2bd3 |
247 | } |
77b88425 |
248 | |
e25c2bd3 |
249 | return $mimeBoundaryString; |
250 | } |
7b67334e |
251 | |
e25c2bd3 |
252 | /* Time offset for correct timezone */ |
253 | function timezone () { |
254 | global $invert_time; |
255 | |
256 | $diff_second = date('Z'); |
a1e937bb |
257 | if ($invert_time) { |
e25c2bd3 |
258 | $diff_second = - $diff_second; |
a1e937bb |
259 | } |
260 | if ($diff_second > 0) { |
e25c2bd3 |
261 | $sign = '+'; |
a1e937bb |
262 | } |
263 | else { |
e25c2bd3 |
264 | $sign = '-'; |
a1e937bb |
265 | } |
266 | |
e25c2bd3 |
267 | $diff_second = abs($diff_second); |
268 | |
269 | $diff_hour = floor ($diff_second / 3600); |
270 | $diff_minute = floor (($diff_second-3600*$diff_hour) / 60); |
271 | |
272 | $zonename = '('.strftime('%Z').')'; |
a3fbf5a4 |
273 | $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute, |
274 | $zonename); |
e25c2bd3 |
275 | return ($result); |
276 | } |
277 | |
278 | /* Print all the needed RFC822 headers */ |
83be314a |
279 | function write822Header ($fp, $t, $c, $b, $subject, $body, $more_headers, $session, $rn="\r\n") { |
e25c2bd3 |
280 | global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT; |
281 | global $data_dir, $username, $popuser, $domain, $version, $useSendmail; |
282 | global $default_charset, $HTTP_VIA, $HTTP_X_FORWARDED_FOR; |
283 | global $REMOTE_HOST, $identity; |
721a6cac |
284 | |
a1e937bb |
285 | /* Storing the header to make sure the header is the same |
286 | * everytime the header is printed. |
287 | */ |
3186c0c0 |
288 | static $header, $headerlength, $headerrn; |
e25c2bd3 |
289 | |
290 | if ($header == '') { |
3186c0c0 |
291 | $headerrn = $rn; |
e25c2bd3 |
292 | $to = expandAddrs(parseAddrs($t)); |
293 | $cc = expandAddrs(parseAddrs($c)); |
294 | $bcc = expandAddrs(parseAddrs($b)); |
295 | if (isset($identity) && $identity != 'default') { |
296 | $reply_to = getPref($data_dir, $username, 'reply_to' . $identity); |
297 | $from = getPref($data_dir, $username, 'full_name' . $identity); |
e1225604 |
298 | $from_addr = getFrom(); |
e25c2bd3 |
299 | } else { |
aaf9abef |
300 | $reply_to = getPref($data_dir, $username, 'reply_to'); |
301 | $from = getPref($data_dir, $username, 'full_name'); |
e1225604 |
302 | $from_addr = getFrom(); |
a1e937bb |
303 | } |
e25c2bd3 |
304 | |
305 | $to_list = getLineOfAddrs($to); |
306 | $cc_list = getLineOfAddrs($cc); |
307 | $bcc_list = getLineOfAddrs($bcc); |
308 | |
309 | /* Encoding 8-bit characters and making from line */ |
310 | $subject = encodeHeader($subject); |
a1e937bb |
311 | if ($from == '') { |
7b67334e |
312 | $from = "<$from_addr>"; |
a1e937bb |
313 | } |
314 | else { |
ec9f1c41 |
315 | $from = '"' . encodeHeader($from) . "\" <$from_addr>"; |
a1e937bb |
316 | } |
e25c2bd3 |
317 | |
318 | /* This creates an RFC 822 date */ |
319 | $date = date("D, j M Y H:i:s ", mktime()) . timezone(); |
320 | |
321 | /* Create a message-id */ |
322 | $message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.'; |
323 | $message_id .= time() . '.squirrel@' . $SERVER_NAME .'>'; |
324 | |
325 | /* Make an RFC822 Received: line */ |
a1e937bb |
326 | if (isset($REMOTE_HOST)) { |
8a2848f0 |
327 | $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])"; |
a1e937bb |
328 | } |
329 | else { |
8a2848f0 |
330 | $received_from = $REMOTE_ADDR; |
a1e937bb |
331 | } |
77b88425 |
332 | |
e25c2bd3 |
333 | if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) { |
a1e937bb |
334 | if ($HTTP_X_FORWARDED_FOR == '') { |
e25c2bd3 |
335 | $HTTP_X_FORWARDED_FOR = 'unknown'; |
a1e937bb |
336 | } |
9949206d |
337 | $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)"; |
7e235a1a |
338 | } |
339 | |
a3fbf5a4 |
340 | $header = "Received: from $received_from" . $rn; |
341 | $header .= " (SquirrelMail authenticated user $username)" . $rn; |
342 | $header .= " by $SERVER_NAME with HTTP;" . $rn; |
343 | $header .= " $date" . $rn; |
7e235a1a |
344 | |
e25c2bd3 |
345 | /* Insert the rest of the header fields */ |
a3fbf5a4 |
346 | $header .= "Message-ID: $message_id" . $rn; |
347 | $header .= "Date: $date" . $rn; |
348 | $header .= "Subject: $subject" . $rn; |
349 | $header .= "From: $from" . $rn; |
350 | $header .= "To: $to_list" . $rn; // Who it's TO |
7e235a1a |
351 | |
604e2c03 |
352 | if (isset($more_headers["Content-Type"])) { |
7e235a1a |
353 | $contentType = $more_headers["Content-Type"]; |
354 | unset($more_headers["Content-Type"]); |
355 | } |
604e2c03 |
356 | else { |
dd7766e0 |
357 | if (isMultipart($session)) { |
7e235a1a |
358 | $contentType = "multipart/mixed;"; |
604e2c03 |
359 | } |
360 | else { |
7e235a1a |
361 | if ($default_charset != '') { |
362 | $contentType = 'text/plain; charset='.$default_charset; |
363 | } |
364 | else { |
365 | $contentType = 'text/plain;'; |
366 | } |
367 | } |
77b88425 |
368 | } |
7e235a1a |
369 | |
370 | /* Insert headers from the $more_headers array */ |
371 | if(is_array($more_headers)) { |
e25c2bd3 |
372 | reset($more_headers); |
373 | while(list($h_name, $h_val) = each($more_headers)) { |
721a6cac |
374 | if ($h_name == 'References') { |
375 | $h_val = str_replace(' ', "$rn ", $h_val); |
376 | } |
a3fbf5a4 |
377 | $header .= sprintf("%s: %s%s", $h_name, $h_val, $rn); |
e25c2bd3 |
378 | } |
379 | } |
7e235a1a |
380 | |
e25c2bd3 |
381 | if ($cc_list) { |
a3fbf5a4 |
382 | $header .= "Cc: $cc_list" . $rn; // Who the CCs are |
e25c2bd3 |
383 | } |
7e235a1a |
384 | |
a1e937bb |
385 | if ($reply_to != '') { |
a3fbf5a4 |
386 | $header .= "Reply-To: $reply_to" . $rn; |
a1e937bb |
387 | } |
7e235a1a |
388 | |
e25c2bd3 |
389 | if ($useSendmail) { |
7b67334e |
390 | if ($bcc_list) { |
e25c2bd3 |
391 | // BCCs is removed from header by sendmail |
a3fbf5a4 |
392 | $header .= "Bcc: $bcc_list" . $rn; |
7b67334e |
393 | } |
e25c2bd3 |
394 | } |
7e235a1a |
395 | |
a3fbf5a4 |
396 | /* Identify SquirrelMail */ |
397 | $header .= "X-Mailer: SquirrelMail (version $version)" . $rn; |
77b88425 |
398 | |
a1e937bb |
399 | /* Do the MIME-stuff */ |
a3fbf5a4 |
400 | $header .= "MIME-Version: 1.0" . $rn; |
7e235a1a |
401 | |
dd7766e0 |
402 | if (isMultipart($session)) { |
604e2c03 |
403 | $header .= 'Content-Type: '.$contentType.' boundary="'; |
404 | $header .= mimeBoundary(); |
a3fbf5a4 |
405 | $header .= "\"$rn"; |
e25c2bd3 |
406 | } else { |
83be314a |
407 | if (strtolower($default_charset) == 'iso-2022-jp') { |
408 | if (mb_detect_encoding($body) == 'ASCII') { |
409 | $header .= 'Content-Type: text/plain; US-ASCII' . $rn; |
410 | $header .= "Content-Transfer-Encoding: 8bit" . $rn; |
411 | } else { |
412 | $header .= 'Content-Type: '.$contentType . $rn; |
413 | $header .= "Content-Transfer-Encoding: 7bit" . $rn; |
414 | } |
415 | } else { |
a3fbf5a4 |
416 | $header .= 'Content-Type: ' . $contentType . $rn; |
417 | $header .= "Content-Transfer-Encoding: 8bit" . $rn; |
e25c2bd3 |
418 | } |
83be314a |
419 | } |
a3fbf5a4 |
420 | $header .= $rn; // One blank line to separate header and body |
e25c2bd3 |
421 | |
422 | $headerlength = strlen($header); |
423 | } |
3186c0c0 |
424 | |
425 | if ($headerrn != $rn) { |
426 | $header = str_replace($headerrn, $rn, $header); |
427 | $headerlength = strlen($header); |
428 | $headerrn = $rn; |
429 | } |
e25c2bd3 |
430 | |
a1e937bb |
431 | /* Write the header */ |
3186c0c0 |
432 | if ($fp) fputs ($fp, $header); |
e25c2bd3 |
433 | |
434 | return $headerlength; |
435 | } |
17ce8467 |
436 | |
a1e937bb |
437 | /* Send the body |
438 | */ |
b3494a62 |
439 | function writeBody ($fp, $passedBody, $session, $rn="\r\n", $checkdot = false) { |
e25c2bd3 |
440 | global $default_charset; |
a3fbf5a4 |
441 | |
e25c2bd3 |
442 | $attachmentlength = 0; |
443 | |
dd7766e0 |
444 | if (isMultipart($session)) { |
a3fbf5a4 |
445 | $body = '--'.mimeBoundary() . $rn; |
e25c2bd3 |
446 | |
a1e937bb |
447 | if ($default_charset != "") { |
a3fbf5a4 |
448 | $body .= "Content-Type: text/plain; charset=$default_charset".$rn; |
a1e937bb |
449 | } |
450 | else { |
a3fbf5a4 |
451 | $body .= "Content-Type: text/plain" . $rn; |
a1e937bb |
452 | } |
e25c2bd3 |
453 | |
83be314a |
454 | if (strtolower($default_charset) == 'iso-2022-jp') { |
455 | if (mb_detect_encoding($passedBody) == 'ASCII') { |
456 | $body .= "Content-Transfer-Encoding: 8bit" . $rn . $rn . |
457 | $passedBody . $rn . $rn; |
458 | } else { |
459 | $body .= "Content-Transfer-Encoding: 7bit\r\n\r\n" . |
460 | mb_convert_encoding($passedBody, 'JIS') . "\r\n\r\n"; |
461 | } |
462 | } else { |
463 | $body .= "Content-Transfer-Encoding: 8bit" . $rn . $rn . |
464 | $passedBody . $rn . $rn; |
465 | } |
466 | if ($fp) { |
467 | fputs ($fp, $body); |
468 | } |
e25c2bd3 |
469 | |
b3494a62 |
470 | $attachmentlength = attachFiles($fp, $session, $rn, $checkdot); |
e25c2bd3 |
471 | |
a1e937bb |
472 | if (!isset($postbody)) { |
473 | $postbody = ""; |
474 | } |
a3fbf5a4 |
475 | $postbody .= $rn . "--" . mimeBoundary() . "--" . $rn . $rn; |
3186c0c0 |
476 | if ($fp) fputs ($fp, $postbody); |
e25c2bd3 |
477 | } else { |
83be314a |
478 | if (strtolower($default_charset) == 'iso-2022-jp') { |
479 | $body = mb_convert_encoding($passedBody, 'JIS') . $rn; |
480 | } else { |
481 | $body = $passedBody . $rn; |
482 | } |
483 | if ($fp) { |
484 | fputs ($fp, $body); |
485 | } |
a3fbf5a4 |
486 | $postbody = $rn; |
83be314a |
487 | if ($fp) { |
488 | fputs ($fp, $postbody); |
489 | } |
e25c2bd3 |
490 | } |
7e235a1a |
491 | |
e25c2bd3 |
492 | return (strlen($body) + strlen($postbody) + $attachmentlength); |
493 | } |
17ce8467 |
494 | |
a1e937bb |
495 | /* Send mail using the sendmail command |
496 | */ |
dd7766e0 |
497 | function sendSendmail($t, $c, $b, $subject, $body, $more_headers, $session) { |
e25c2bd3 |
498 | global $sendmail_path, $popuser, $username, $domain; |
499 | |
a1e937bb |
500 | /* Build envelope sender address. Make sure it doesn't contain |
501 | * spaces or other "weird" chars that would allow a user to |
502 | * exploit the shell/pipe it is used in. |
503 | */ |
e1225604 |
504 | $envelopefrom = getFrom(); |
e25c2bd3 |
505 | $envelopefrom = ereg_replace("[[:blank:]]",'', $envelopefrom); |
506 | $envelopefrom = ereg_replace("[[:space:]]",'', $envelopefrom); |
507 | $envelopefrom = ereg_replace("[[:cntrl:]]",'', $envelopefrom); |
508 | |
a3fbf5a4 |
509 | /** |
510 | * open pipe to sendmail or qmail-inject |
511 | * (qmail-inject doesn't accept -t param) |
512 | */ |
e25c2bd3 |
513 | if (strstr($sendmail_path, "qmail-inject")) { |
514 | $fp = popen (escapeshellcmd("$sendmail_path -f$envelopefrom"), "w"); |
515 | } else { |
516 | $fp = popen (escapeshellcmd("$sendmail_path -t -f$envelopefrom"), "w"); |
517 | } |
518 | |
83be314a |
519 | $headerlength = write822Header ($fp, $t, $c, $b, $subject, $body, |
721a6cac |
520 | $more_headers, $session, "\n"); |
b3494a62 |
521 | $bodylength = writeBody($fp, $body, $session, "\n", true); |
e25c2bd3 |
522 | |
523 | pclose($fp); |
e1225604 |
524 | |
e25c2bd3 |
525 | return ($headerlength + $bodylength); |
526 | } |
527 | |
528 | function smtpReadData($smtpConnection) { |
529 | $read = fgets($smtpConnection, 1024); |
530 | $counter = 0; |
531 | while ($read) { |
532 | echo $read . '<BR>'; |
533 | $data[$counter] = $read; |
534 | $read = fgets($smtpConnection, 1024); |
535 | $counter++; |
536 | } |
537 | } |
538 | |
dd7766e0 |
539 | function sendSMTP($t, $c, $b, $subject, $body, $more_headers, $session) { |
e25c2bd3 |
540 | global $username, $popuser, $domain, $version, $smtpServerAddress, |
541 | $smtpPort, $data_dir, $color, $use_authenticated_smtp, $identity, |
542 | $key, $onetimepad; |
543 | |
544 | $to = expandRcptAddrs(parseAddrs($t)); |
545 | $cc = expandRcptAddrs(parseAddrs($c)); |
546 | $bcc = expandRcptAddrs(parseAddrs($b)); |
a1e937bb |
547 | if (isset($identity) && $identity != 'default') { |
a3fbf5a4 |
548 | $from_addr = getPref($data_dir, $username, |
549 | 'email_address' . $identity); |
a1e937bb |
550 | } |
551 | else { |
e25c2bd3 |
552 | $from_addr = getPref($data_dir, $username, 'email_address'); |
a1e937bb |
553 | } |
e25c2bd3 |
554 | |
a1e937bb |
555 | if (!$from_addr) { |
e25c2bd3 |
556 | $from_addr = "$popuser@$domain"; |
a1e937bb |
557 | } |
2044f95a |
558 | |
559 | /* POP3 BEFORE SMTP CODE HERE */ |
560 | global $pop_before_smtp; |
561 | if (isset($pop_before_smtp) && $pop_before_smtp === true) { |
562 | if (!isset($pop_port)) { |
563 | $pop_port = 110; |
564 | } |
565 | if (!isset($pop_server)) { |
566 | $pop_server = $smtpServerAddress; /* usually the same host! */ |
567 | } |
568 | $popConnection = fsockopen($pop_server, $pop_port, $err_no, $err_str); |
569 | if (!$popConnection) { |
570 | error_log("Error connecting to POP Server ($pop_server:$pop_port)" |
571 | . " $err_no : $err_str"); |
572 | } else { |
573 | $tmp = fgets($popConnection, 1024); /* banner */ |
574 | if (!eregi("^\+OK", $tmp, $regs)) { |
575 | return(0); |
576 | } |
577 | fputs($popConnection, "USER $username\r\n"); |
578 | $tmp = fgets($popConnection, 1024); |
579 | if (!eregi("^\+OK", $tmp, $regs)) { |
580 | return(0); |
581 | } |
582 | fputs($popConnection, 'PASS ' . OneTimePadDecrypt($key, $onetimepad) . "\r\n"); |
583 | $tmp = fgets($popConnection, 1024); |
584 | if (!eregi("^\+OK", $tmp, $regs)) { |
585 | return(0); |
586 | } |
587 | fputs($popConnection, "QUIT\r\n"); /* log off */ |
588 | fclose($popConnection); |
589 | } |
590 | } |
e25c2bd3 |
591 | |
a3fbf5a4 |
592 | $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, |
593 | $errorNumber, $errorString); |
e25c2bd3 |
594 | if (!$smtpConnection) { |
595 | echo 'Error connecting to SMTP Server.<br>'; |
596 | echo "$errorNumber : $errorString<br>"; |
597 | exit; |
598 | } |
599 | $tmp = fgets($smtpConnection, 1024); |
14c62c12 |
600 | if (errorCheck($tmp, $smtpConnection)!=5) { |
601 | return(0); |
602 | } |
e25c2bd3 |
603 | |
604 | $to_list = getLineOfAddrs($to); |
605 | $cc_list = getLineOfAddrs($cc); |
606 | |
a1e937bb |
607 | /* Lets introduce ourselves */ |
a3fbf5a4 |
608 | if (! isset ($use_authenticated_smtp) |
609 | || $use_authenticated_smtp == false) { |
e25c2bd3 |
610 | fputs($smtpConnection, "HELO $domain\r\n"); |
611 | $tmp = fgets($smtpConnection, 1024); |
612 | if (errorCheck($tmp, $smtpConnection)!=5) return(0); |
613 | } else { |
614 | fputs($smtpConnection, "EHLO $domain\r\n"); |
615 | $tmp = fgets($smtpConnection, 1024); |
616 | if (errorCheck($tmp, $smtpConnection)!=5) return(0); |
617 | |
618 | fputs($smtpConnection, "AUTH LOGIN\r\n"); |
619 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
620 | if (errorCheck($tmp, $smtpConnection)!=5) { |
621 | return(0); |
622 | } |
77b88425 |
623 | |
e25c2bd3 |
624 | fputs($smtpConnection, base64_encode ($username) . "\r\n"); |
625 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
626 | if (errorCheck($tmp, $smtpConnection)!=5) { |
627 | return(0); |
628 | } |
e25c2bd3 |
629 | |
a3fbf5a4 |
630 | fputs($smtpConnection, base64_encode |
631 | (OneTimePadDecrypt($key, $onetimepad)) . "\r\n"); |
e25c2bd3 |
632 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
633 | if (errorCheck($tmp, $smtpConnection)!=5) { |
634 | return(0); |
635 | } |
e25c2bd3 |
636 | } |
637 | |
a1e937bb |
638 | /* Ok, who is sending the message? */ |
e25c2bd3 |
639 | fputs($smtpConnection, "MAIL FROM: <$from_addr>\r\n"); |
640 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
641 | if (errorCheck($tmp, $smtpConnection)!=5) { |
642 | return(0); |
643 | } |
e25c2bd3 |
644 | |
a1e937bb |
645 | /* send who the recipients are */ |
e25c2bd3 |
646 | for ($i = 0; $i < count($to); $i++) { |
647 | fputs($smtpConnection, "RCPT TO: $to[$i]\r\n"); |
648 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
649 | if (errorCheck($tmp, $smtpConnection)!=5) { |
650 | return(0); |
651 | } |
e25c2bd3 |
652 | } |
653 | for ($i = 0; $i < count($cc); $i++) { |
654 | fputs($smtpConnection, "RCPT TO: $cc[$i]\r\n"); |
655 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
656 | if (errorCheck($tmp, $smtpConnection)!=5) { |
657 | return(0); |
658 | } |
e25c2bd3 |
659 | } |
660 | for ($i = 0; $i < count($bcc); $i++) { |
661 | fputs($smtpConnection, "RCPT TO: $bcc[$i]\r\n"); |
662 | $tmp = fgets($smtpConnection, 1024); |
77b88425 |
663 | if (errorCheck($tmp, $smtpConnection)!=5) { |
a1e937bb |
664 | return(0); |
665 | } |
e25c2bd3 |
666 | } |
77b88425 |
667 | |
a1e937bb |
668 | /* Lets start sending the actual message */ |
e25c2bd3 |
669 | fputs($smtpConnection, "DATA\r\n"); |
670 | $tmp = fgets($smtpConnection, 1024); |
a1e937bb |
671 | if (errorCheck($tmp, $smtpConnection)!=5) { |
672 | return(0); |
673 | } |
77b88425 |
674 | |
a1e937bb |
675 | /* Send the message */ |
a3fbf5a4 |
676 | $headerlength = write822Header ($smtpConnection, $t, $c, $b, |
83be314a |
677 | $subject, $body, $more_headers, $session); |
b3494a62 |
678 | $bodylength = writeBody($smtpConnection, $body, $session, "\r\n", true); |
e25c2bd3 |
679 | |
a1e937bb |
680 | fputs($smtpConnection, ".\r\n"); /* end the DATA part */ |
e25c2bd3 |
681 | $tmp = fgets($smtpConnection, 1024); |
682 | $num = errorCheck($tmp, $smtpConnection, true); |
683 | if ($num != 250) { |
e25c2bd3 |
684 | return(0); |
685 | } |
686 | |
a1e937bb |
687 | fputs($smtpConnection, "QUIT\r\n"); /* log off */ |
e25c2bd3 |
688 | |
689 | fclose($smtpConnection); |
690 | |
691 | return ($headerlength + $bodylength); |
692 | } |
60994e13 |
693 | |
60994e13 |
694 | |
e25c2bd3 |
695 | function errorCheck($line, $smtpConnection, $verbose = false) { |
8f8f3a4e |
696 | global $color, $compose_new_win; |
e25c2bd3 |
697 | |
a1e937bb |
698 | /* Read new lines on a multiline response */ |
e25c2bd3 |
699 | $lines = $line; |
700 | while(ereg("^[0-9]+-", $line)) { |
701 | $line = fgets($smtpConnection, 1024); |
702 | $lines .= $line; |
703 | } |
704 | |
a1e937bb |
705 | /* Status: 0 = fatal |
706 | * 5 = ok |
707 | */ |
e25c2bd3 |
708 | $err_num = substr($line, 0, strpos($line, " ")); |
709 | switch ($err_num) { |
710 | case 500: $message = 'Syntax error; command not recognized'; |
711 | $status = 0; |
712 | break; |
713 | case 501: $message = 'Syntax error in parameters or arguments'; |
714 | $status = 0; |
715 | break; |
716 | case 502: $message = 'Command not implemented'; |
717 | $status = 0; |
718 | break; |
719 | case 503: $message = 'Bad sequence of commands'; |
720 | $status = 0; |
721 | break; |
722 | case 504: $message = 'Command parameter not implemented'; |
723 | $status = 0; |
a1e937bb |
724 | break; |
e25c2bd3 |
725 | |
726 | case 211: $message = 'System status, or system help reply'; |
727 | $status = 5; |
728 | break; |
729 | case 214: $message = 'Help message'; |
730 | $status = 5; |
731 | break; |
732 | |
e25c2bd3 |
733 | case 220: $message = 'Service ready'; |
734 | $status = 5; |
735 | break; |
736 | case 221: $message = 'Service closing transmission channel'; |
737 | $status = 5; |
738 | break; |
a1e937bb |
739 | |
e25c2bd3 |
740 | case 421: $message = 'Service not available, closing chanel'; |
741 | $status = 0; |
742 | break; |
743 | |
a1e937bb |
744 | case 235: return(5); |
745 | break; |
e25c2bd3 |
746 | case 250: $message = 'Requested mail action okay, completed'; |
747 | $status = 5; |
748 | break; |
749 | case 251: $message = 'User not local; will forward'; |
750 | $status = 5; |
751 | break; |
752 | case 334: return(5); break; |
753 | case 450: $message = 'Requested mail action not taken: mailbox unavailable'; |
754 | $status = 0; |
755 | break; |
756 | case 550: $message = 'Requested action not taken: mailbox unavailable'; |
757 | $status = 0; |
758 | break; |
759 | case 451: $message = 'Requested action aborted: error in processing'; |
760 | $status = 0; |
761 | break; |
762 | case 551: $message = 'User not local; please try forwarding'; |
763 | $status = 0; |
764 | break; |
765 | case 452: $message = 'Requested action not taken: insufficient system storage'; |
766 | $status = 0; |
767 | break; |
768 | case 552: $message = 'Requested mail action aborted: exceeding storage allocation'; |
769 | $status = 0; |
770 | break; |
771 | case 553: $message = 'Requested action not taken: mailbox name not allowed'; |
772 | $status = 0; |
773 | break; |
774 | case 354: $message = 'Start mail input; end with .'; |
775 | $status = 5; |
776 | break; |
777 | case 554: $message = 'Transaction failed'; |
778 | $status = 0; |
779 | break; |
780 | default: $message = 'Unknown response: '. nl2br(htmlspecialchars($lines)); |
781 | $status = 0; |
782 | $error_num = '001'; |
783 | break; |
784 | } |
7e235a1a |
785 | |
e25c2bd3 |
786 | if ($status == 0) { |
787 | include_once('../functions/page_header.php'); |
8f8f3a4e |
788 | if ($compose_new_win == '1') { |
789 | compose_Header($color, 'None'); |
790 | } |
7e235a1a |
791 | else { |
8f8f3a4e |
792 | displayPageHeader($color, 'None'); |
793 | } |
e25c2bd3 |
794 | include_once('../functions/display_messages.php'); |
795 | $lines = nl2br(htmlspecialchars($lines)); |
796 | $msg = $message . "<br>\nServer replied: $lines"; |
797 | plain_error_message($msg, $color); |
798 | } |
799 | if (! $verbose) return $status; |
800 | return $err_num; |
801 | } |
802 | |
67c2f5ea |
803 | /* create new reference header per rfc2822 */ |
804 | |
805 | function calculate_references($refs, $inreplyto, $old_reply_to) { |
721a6cac |
806 | |
67c2f5ea |
807 | $refer = ""; |
808 | for ($i=1;$i<count($refs[0]);$i++) { |
809 | if (!empty($refs[0][$i])) { |
f53aa237 |
810 | if (preg_match("/^References:(.+)$/UA", $refs[0][$i], $regs)) { |
67c2f5ea |
811 | $refer = trim($regs[1]); |
812 | } |
f53aa237 |
813 | else { |
0999a8bc |
814 | $refer .= ' ' . trim($refs[0][$i]); |
f53aa237 |
815 | } |
816 | |
67c2f5ea |
817 | } |
818 | } |
f53aa237 |
819 | $refer_a = explode(' ', $refer); |
820 | $refer = ''; |
821 | foreach ($refer_a as $ref) { |
822 | $ref = trim($ref); |
823 | if ($ref{0} == '<' && $ref{(strlen($ref)-1)} == '>') { |
824 | $refer .= $ref . ' '; |
825 | } |
826 | } |
67c2f5ea |
827 | $refer = trim($refer); |
828 | if (strlen($refer) > 2) { |
829 | $refer .= ' ' . $inreplyto; |
830 | } |
831 | else { |
832 | if (!empty($old_reply_to)) { |
833 | $refer .= $old_reply_to . ' ' . $inreplyto; |
834 | } |
835 | else { |
836 | $refer .= $inreplyto; |
2044f95a |
837 | } |
67c2f5ea |
838 | } |
839 | trim($refer); |
67c2f5ea |
840 | return $refer; |
841 | } |
842 | |
a3fbf5a4 |
843 | function sendMessage($t, $c, $b, $subject, $body, $reply_id, $MDN, |
844 | $prio = 3, $session) { |
77b88425 |
845 | global $useSendmail, $msg_id, $is_reply, $mailbox, $onetimepad, |
a3fbf5a4 |
846 | $data_dir, $username, $domain, $key, $version, $sent_folder, |
847 | $imapServerAddress, $imapPort, $default_use_priority, $more_headers, |
c9829b5b |
848 | $request_mdn, $request_dr, $uid_support; |
77b88425 |
849 | |
e25c2bd3 |
850 | $more_headers = Array(); |
851 | |
77b88425 |
852 | do_hook('smtp_send'); |
853 | |
a3fbf5a4 |
854 | $imap_stream = sqimap_login($username, $key, $imapServerAddress, |
855 | $imapPort, 1); |
77b88425 |
856 | |
e25c2bd3 |
857 | if (isset($reply_id) && $reply_id) { |
858 | sqimap_mailbox_select ($imap_stream, $mailbox); |
d8a8203a |
859 | sqimap_messages_flag ($imap_stream, $reply_id, $reply_id, 'Answered', false); |
77b88425 |
860 | |
861 | /* Insert In-Reply-To and References headers if the |
a1e937bb |
862 | * message-id of the message we reply to is set (longer than "<>") |
863 | * The References header should really be the old Referenced header |
67c2f5ea |
864 | * with the message ID appended, and now it is (jmunro) |
a1e937bb |
865 | */ |
c9829b5b |
866 | $sid = sqimap_session_id($uid_support); |
41336c5f |
867 | $query = "$sid FETCH $reply_id (BODY.PEEK[HEADER.FIELDS (Message-Id In-Reply-To)])\r\n"; |
868 | fputs ($imap_stream, $query); |
721a6cac |
869 | $read = sqimap_read_data($imap_stream, $sid, true, $response, $message); |
41336c5f |
870 | $message_id = ''; |
871 | $in_reply_to = ''; |
721a6cac |
872 | |
873 | foreach ($read as $r) { |
41336c5f |
874 | if (preg_match("/^message-id:(.*)/iA", $r, $regs)) { |
875 | $message_id = trim($regs[1]); |
876 | } |
877 | if (preg_match("/^in-reply-to:(.*)/iA", $r, $regs)) { |
878 | $in_reply_to = trim($regs[1]); |
879 | } |
41336c5f |
880 | } |
721a6cac |
881 | |
41336c5f |
882 | if(strlen($message_id) > 2) { |
67c2f5ea |
883 | $refs = get_reference_header ($imap_stream, $reply_id); |
41336c5f |
884 | $inreplyto = $message_id; |
885 | $old_reply_to = $in_reply_to; |
67c2f5ea |
886 | $refer = calculate_references ($refs, $inreplyto, $old_reply_to); |
887 | $more_headers['In-Reply-To'] = $inreplyto; |
888 | $more_headers['References'] = $refer; |
e25c2bd3 |
889 | } |
41336c5f |
890 | |
e25c2bd3 |
891 | } |
892 | if ($default_use_priority) { |
893 | $more_headers = array_merge($more_headers, createPriorityHeaders($prio)); |
894 | } |
77b88425 |
895 | |
604e2c03 |
896 | $requestRecipt = 0; |
897 | if (isset($request_dr)) { |
898 | $requestRecipt += 1; |
899 | } |
900 | if (isset($request_mdn)) { |
901 | $requestRecipt += 2; |
902 | } |
903 | if ( $requestRecipt > 0) { |
904 | $more_headers = array_merge($more_headers, createReceiptHeaders($requestRecipt)); |
905 | } |
906 | |
a1e937bb |
907 | /* this is to catch all plain \n instances and |
908 | * replace them with \r\n. All newlines were converted |
909 | * into just \n inside the compose.php file. |
a3fbf5a4 |
910 | * But only if delimiter is, in fact, \r\n. |
a1e937bb |
911 | */ |
604e2c03 |
912 | |
913 | if ($MDN) { |
914 | $more_headers["Content-Type"] = "multipart/report; ". |
915 | "report-type=disposition-notification;"; |
916 | } |
77b88425 |
917 | |
e25c2bd3 |
918 | if ($useSendmail) { |
b3494a62 |
919 | /* In order to remove the problem of users not able to create |
920 | * messages with "." on a blank line, RFC821 has made provision |
921 | * in section 4.5.2 (Transparency). |
922 | */ |
923 | $body_sendmail = $body; |
924 | if (($body_sendmail{0} == '.')) { |
925 | $body_sendmail = '.' . $body_sendmail; |
926 | } |
927 | $body_sendmail = str_replace("\n.","\n..",$body_sendmail); |
928 | |
929 | $length = sendSendmail($t, $c, $b, $subject, $body_sendmail, $more_headers, |
a3fbf5a4 |
930 | $session); |
b3494a62 |
931 | $body = ereg_replace("\n", "\r\n", $body); |
e25c2bd3 |
932 | } else { |
b3494a62 |
933 | $body = ereg_replace("\n", "\r\n", $body); |
934 | /* In order to remove the problem of users not able to create |
935 | * messages with "." on a blank line, RFC821 has made provision |
936 | * in section 4.5.2 (Transparency). |
937 | */ |
938 | $body_smtp = $body; |
939 | if (($body_smtp{0} == '.')) { |
940 | $body_smtp = '.' . $body_smtp; |
941 | } |
942 | $body_smtp = str_replace("\n.","\n..",$body_smtp); |
943 | |
944 | |
945 | $length = sendSMTP($t, $c, $b, $subject, $body_smtp, $more_headers, |
a3fbf5a4 |
946 | $session); |
e25c2bd3 |
947 | } |
e25c2bd3 |
948 | if (sqimap_mailbox_exists ($imap_stream, $sent_folder)) { |
b3494a62 |
949 | $headerlength = write822Header (false, $t, $c, $b, $subject, $more_headers, $session, "\r\n"); |
950 | $bodylength = writeBody(false, $body, $session, "\r\n"); |
3186c0c0 |
951 | $length = $headerlength + $bodylength; |
952 | |
e25c2bd3 |
953 | sqimap_append ($imap_stream, $sent_folder, $length); |
83be314a |
954 | write822Header ($imap_stream, $t, $c, $b, $subject, $body, $more_headers, |
a3fbf5a4 |
955 | $session); |
dd7766e0 |
956 | writeBody ($imap_stream, $body, $session); |
e25c2bd3 |
957 | sqimap_append_done ($imap_stream); |
958 | } |
959 | sqimap_logout($imap_stream); |
a1e937bb |
960 | /* Delete the files uploaded for attaching (if any). |
961 | * only if $length != 0 (if there was no error) |
962 | */ |
77b88425 |
963 | if ($length) { |
dd7766e0 |
964 | ClearAttachments($session); |
77b88425 |
965 | } |
966 | |
e25c2bd3 |
967 | return $length; |
968 | } |
d1b8b679 |
969 | |
e25c2bd3 |
970 | function createPriorityHeaders($prio) { |
971 | $prio_headers = Array(); |
77b88425 |
972 | $prio_headers['X-Priority'] = $prio; |
973 | |
e25c2bd3 |
974 | switch($prio) { |
77b88425 |
975 | case 1: $prio_headers['Importance'] = 'High'; |
976 | $prio_headers['X-MSMail-Priority'] = 'High'; |
e25c2bd3 |
977 | break; |
77b88425 |
978 | |
979 | case 3: $prio_headers['Importance'] = 'Normal'; |
980 | $prio_headers['X-MSMail-Priority'] = 'Normal'; |
e25c2bd3 |
981 | break; |
77b88425 |
982 | |
e25c2bd3 |
983 | case 5: |
77b88425 |
984 | $prio_headers['Importance'] = 'Low'; |
985 | $prio_headers['X-MSMail-Priority'] = 'Low'; |
e25c2bd3 |
986 | break; |
987 | } |
988 | return $prio_headers; |
989 | } |
020abcf3 |
990 | |
604e2c03 |
991 | function createReceiptHeaders($receipt) { |
0804c276 |
992 | |
a250d021 |
993 | GLOBAL $data_dir, $username, $identity, $popuser, $domain; |
0804c276 |
994 | |
995 | $receipt_headers = Array(); |
7aaa1434 |
996 | if (isset($identity) && $identity != 'default') { |
997 | $from = getPref($data_dir, $username, 'full_name' . $identity); |
998 | $from_addr = getPref($data_dir, $username, 'email_address' . $identity); |
999 | } else { |
1000 | $from = getPref($data_dir, $username, 'full_name'); |
1001 | $from_addr = getPref($data_dir, $username, 'email_address'); |
1002 | } |
1003 | if ($from_addr == '') { |
1004 | $from_addr = $popuser.'@'.$domain; |
1005 | } |
0804c276 |
1006 | |
1007 | if ($from == '') { |
1008 | $from = "<$from_addr>"; |
1009 | } |
1010 | else { |
1011 | $from = '"' . encodeHeader($from) . "\" <$from_addr>"; |
1012 | } |
1013 | |
1014 | /* On Delivery */ |
1015 | if ( $receipt == 1 |
1016 | || $receipt == 3 ) { |
1017 | $receipt_headers["Return-Receipt-To"] = $from; |
1018 | } |
1019 | /* On Read */ |
1020 | if ($receipt == 2 |
1021 | || $receipt == 3 ) { |
1022 | /* Pegasus Mail */ |
1023 | $receipt_headers["X-Confirm-Reading-To"] = $from; |
1024 | /* RFC 2298 */ |
1025 | $receipt_headers["Disposition-Notification-To"] = $from; |
1026 | } |
1027 | return $receipt_headers; |
1028 | } |
604e2c03 |
1029 | |
e1225604 |
1030 | /* Figure out what the 'From:' address is |
1031 | */ |
1032 | |
1033 | function getFrom() { |
1034 | global $username, $popuser, $domain, $data_dir, $identity; |
1035 | if (isset($identity) && $identity != 'default') { |
1036 | $from_addr = getPref($data_dir, $username, |
1037 | 'email_address' . $identity); |
1038 | } |
1039 | else { |
1040 | $from_addr = getPref($data_dir, $username, 'email_address'); |
1041 | } |
1042 | |
1043 | if (!$from_addr) { |
1044 | $from_addr = "$popuser@$domain"; |
1045 | } |
1046 | return $from_addr; |
1047 | } |
1048 | |
604e2c03 |
1049 | |
020abcf3 |
1050 | ?> |