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1 | <?php |
d622d38a |
2 | |
d3c89357 |
3 | /** |
15e6162e |
4 | * mail_fetch/setup.php |
5 | * |
6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
7 | * |
8 | * Copyright (c) 1999 CDI (cdi@thewebmasters.net) All Rights Reserved |
9 | * Modified by Philippe Mingo 2001 mingo@rotedic.com |
10 | * An RFC 1939 compliant wrapper class for the POP3 protocol. |
11 | * |
12 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
13 | * |
14 | * pop3 class |
15 | * |
16 | * $Id$ |
17 | */ |
d622d38a |
18 | |
19 | class POP3 { |
d3c89357 |
20 | var $ERROR = ''; // Error string. |
d622d38a |
21 | |
22 | var $TIMEOUT = 60; // Default timeout before giving up on a |
23 | // network operation. |
24 | |
25 | var $COUNT = -1; // Mailbox msg count |
26 | |
27 | var $BUFFER = 512; // Socket buffer for socket fgets() calls. |
28 | // Per RFC 1939 the returned line a POP3 |
29 | // server can send is 512 bytes. |
30 | |
d3c89357 |
31 | var $FP = ''; // The connection to the server's |
d622d38a |
32 | // file descriptor |
33 | |
d3c89357 |
34 | var $MAILSERVER = ''; // Set this to hard code the server name |
d622d38a |
35 | |
ef610a28 |
36 | var $DEBUG = FALSE; // set to true to echo pop3 |
d622d38a |
37 | // commands and responses to error_log |
38 | // this WILL log passwords! |
39 | |
d3c89357 |
40 | var $BANNER = ''; // Holds the banner returned by the |
d622d38a |
41 | // pop server - used for apop() |
42 | |
d3c89357 |
43 | var $RFC1939 = TRUE; // Set by noop(). See rfc1939.txt |
d622d38a |
44 | // |
45 | |
d3c89357 |
46 | var $ALLOWAPOP = FASLE; // Allow or disallow apop() |
d622d38a |
47 | // This must be set to true |
48 | // manually |
49 | |
d3c89357 |
50 | function POP3 ( $server = '', $timeout = '' ) { |
d622d38a |
51 | settype($this->BUFFER,"integer"); |
52 | if( !empty($server) ) { |
53 | // Do not allow programs to alter MAILSERVER |
54 | // if it is already specified. They can get around |
55 | // this if they -really- want to, so don't count on it. |
56 | if(empty($this->MAILSERVER)) |
57 | $this->MAILSERVER = $server; |
58 | } |
59 | if(!empty($timeout)) { |
60 | settype($timeout,"integer"); |
61 | $this->TIMEOUT = $timeout; |
62 | set_time_limit($timeout); |
63 | } |
64 | return true; |
65 | } |
66 | |
67 | function update_timer () { |
68 | set_time_limit($this->TIMEOUT); |
69 | return true; |
70 | } |
71 | |
72 | function connect ($server, $port = 110) { |
73 | // Opens a socket to the specified server. Unless overridden, |
74 | // port defaults to 110. Returns true on success, false on fail |
75 | |
76 | // If MAILSERVER is set, override $server with it's value |
77 | |
78 | if(!empty($this->MAILSERVER)) |
79 | $server = $this->MAILSERVER; |
80 | |
81 | if(empty($server)){ |
82 | $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified"); |
83 | unset($this->FP); |
84 | return false; |
85 | } |
86 | |
87 | $fp = fsockopen("$server", $port, $errno, $errstr); |
88 | |
89 | if(!$fp) { |
90 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$errno] [$errstr]"; |
91 | unset($this->FP); |
92 | return false; |
93 | } |
94 | |
95 | socket_set_blocking($fp,-1); |
96 | $this->update_timer(); |
97 | $reply = fgets($fp,$this->BUFFER); |
98 | $reply = $this->strip_clf($reply); |
99 | if($this->DEBUG) |
100 | error_log("POP3 SEND [connect: $server] GOT [$reply]",0); |
101 | if(!$this->is_ok($reply)) { |
102 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$reply]"; |
103 | unset($this->FP); |
104 | return false; |
105 | } |
106 | $this->FP = $fp; |
107 | $this->BANNER = $this->parse_banner($reply); |
108 | $this->RFC1939 = $this->noop(); |
109 | if($this->RFC1939) { |
110 | $this->ERROR = _("POP3: premature NOOP OK, NOT an RFC 1939 Compliant server"); |
111 | $this->quit(); |
112 | return false; |
113 | } else |
114 | return true; |
115 | } |
116 | |
117 | function noop () { |
118 | |
119 | if(!isset($this->FP)) { |
120 | $this->ERROR = _("POP3 noop:") . ' ' . _("No connection to server"); |
121 | return false; |
122 | } else { |
123 | $cmd = "NOOP"; |
124 | $reply = $this->send_cmd( $cmd ); |
125 | return( $this->is_ok( $reply ) ); |
126 | } |
127 | } |
128 | |
129 | function user ($user = "") { |
130 | // Sends the USER command, returns true or false |
131 | |
132 | if( empty($user) ) { |
133 | $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted"); |
134 | return false; |
135 | } elseif(!isset($this->FP)) { |
136 | $this->ERROR = _("POP3 user:") . ' ' . _("connection not established"); |
137 | return false; |
138 | } else { |
139 | $reply = $this->send_cmd("USER $user"); |
140 | if(!$this->is_ok($reply)) { |
141 | $this->ERROR = _("POP3 user:") . ' ' . _("Error ") . "[$reply]"; |
142 | return false; |
143 | } else |
144 | return true; |
145 | } |
146 | } |
147 | |
148 | function pass ($pass = "") { |
149 | // Sends the PASS command, returns # of msgs in mailbox, |
150 | // returns false (undef) on Auth failure |
151 | |
152 | if(empty($pass)) { |
153 | $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted"); |
154 | return false; |
155 | } elseif(!isset($this->FP)) { |
156 | $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established"); |
157 | return false; |
158 | } else { |
159 | $reply = $this->send_cmd("PASS $pass"); |
160 | if(!$this->is_ok($reply)) { |
161 | $this->ERROR = _("POP3 pass:") . ' ' . _("authentication failed ") . "[$reply]"; |
162 | $this->quit(); |
163 | return false; |
164 | } else { |
165 | // Auth successful. |
166 | $count = $this->last("count"); |
167 | $this->COUNT = $count; |
168 | $this->RFC1939 = $this->noop(); |
169 | if(!$this->RFC1939) { |
170 | $this->ERROR = _("POP3 pass:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant"); |
171 | $this->quit(); |
172 | return false; |
173 | } else |
174 | return $count; |
175 | } |
176 | } |
177 | } |
178 | |
179 | function apop ($login,$pass) { |
180 | // Attempts an APOP login. If this fails, it'll |
181 | // try a standard login. YOUR SERVER MUST SUPPORT |
182 | // THE USE OF THE APOP COMMAND! |
183 | // (apop is optional per rfc1939) |
184 | |
185 | if(!isset($this->FP)) { |
186 | $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server"); |
187 | return false; |
188 | } elseif(!$this->ALLOWAPOP) { |
189 | $retVal = $this->login($login,$pass); |
190 | return $retVal; |
191 | } elseif(empty($login)) { |
192 | $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted"); |
193 | return false; |
194 | } elseif(empty($pass)) { |
195 | $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted"); |
196 | return false; |
197 | } else { |
198 | $banner = $this->BANNER; |
199 | if( (!$banner) or (empty($banner)) ) { |
200 | $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort"); |
201 | $retVal = $this->login($login,$pass); |
202 | return $retVal; |
203 | } else { |
204 | $AuthString = $banner; |
205 | $AuthString .= $pass; |
206 | $APOPString = md5($AuthString); |
207 | $cmd = "APOP $login $APOPString"; |
208 | $reply = $this->send_cmd($cmd); |
209 | if(!$this->is_ok($reply)) { |
210 | $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort"); |
211 | $retVal = $this->login($login,$pass); |
212 | return $retVal; |
213 | } else { |
214 | // Auth successful. |
215 | $count = $this->last("count"); |
216 | $this->COUNT = $count; |
217 | $this->RFC1939 = $this->noop(); |
218 | if(!$this->RFC1939) { |
219 | $this->ERROR = _("POP3 apop:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant"); |
220 | $this->quit(); |
221 | return false; |
222 | } else |
223 | return $count; |
224 | } |
225 | } |
226 | } |
227 | } |
228 | |
229 | function login ($login = "", $pass = "") { |
230 | // Sends both user and pass. Returns # of msgs in mailbox or |
231 | // false on failure (or -1, if the error occurs while getting |
232 | // the number of messages.) |
233 | |
234 | if( !isset($this->FP) ) { |
235 | $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server"); |
236 | return false; |
237 | } else { |
238 | $fp = $this->FP; |
239 | if( !$this->user( $login ) ) { |
240 | // Preserve the error generated by user() |
241 | return false; |
242 | } else { |
243 | $count = $this->pass($pass); |
244 | if( (!$count) || ($count == -1) ) { |
245 | // Preserve the error generated by last() and pass() |
246 | return false; |
247 | } else |
248 | return $count; |
249 | } |
250 | } |
251 | } |
252 | |
253 | function top ($msgNum, $numLines = "0") { |
254 | // Gets the header and first $numLines of the msg body |
255 | // returns data in an array with each returned line being |
256 | // an array element. If $numLines is empty, returns |
257 | // only the header information, and none of the body. |
258 | |
259 | if(!isset($this->FP)) { |
260 | $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server"); |
261 | return false; |
262 | } |
263 | $this->update_timer(); |
264 | |
265 | $fp = $this->FP; |
266 | $buffer = $this->BUFFER; |
267 | $cmd = "TOP $msgNum $numLines"; |
268 | fwrite($fp, "TOP $msgNum $numLines\r\n"); |
269 | $reply = fgets($fp, $buffer); |
270 | $reply = $this->strip_clf($reply); |
271 | if($this->DEBUG) { |
272 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
273 | } |
274 | if(!$this->is_ok($reply)) |
275 | { |
276 | $this->ERROR = _("POP3 top:") . ' ' . _("Error ") . "[$reply]"; |
277 | return false; |
278 | } |
279 | |
280 | $count = 0; |
281 | $MsgArray = array(); |
282 | |
283 | $line = fgets($fp,$buffer); |
284 | while ( !ereg("^\.\r\n",$line)) |
285 | { |
286 | $MsgArray[$count] = $line; |
287 | $count++; |
288 | $line = fgets($fp,$buffer); |
289 | if(empty($line)) { break; } |
290 | } |
291 | |
292 | return $MsgArray; |
293 | } |
294 | |
295 | function pop_list ($msgNum = "") { |
296 | // If called with an argument, returns that msgs' size in octets |
297 | // No argument returns an associative array of undeleted |
298 | // msg numbers and their sizes in octets |
299 | |
300 | if(!isset($this->FP)) |
301 | { |
302 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server"); |
303 | return false; |
304 | } |
305 | $fp = $this->FP; |
306 | $Total = $this->COUNT; |
307 | if( (!$Total) or ($Total == -1) ) |
308 | { |
309 | return false; |
310 | } |
311 | if($Total == 0) |
312 | { |
313 | return array("0","0"); |
314 | // return -1; // mailbox empty |
315 | } |
316 | |
317 | $this->update_timer(); |
318 | |
319 | if(!empty($msgNum)) |
320 | { |
321 | $cmd = "LIST $msgNum"; |
322 | fwrite($fp,"$cmd\r\n"); |
323 | $reply = fgets($fp,$this->BUFFER); |
324 | $reply = $this->strip_clf($reply); |
325 | if($this->DEBUG) { |
326 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
327 | } |
328 | if(!$this->is_ok($reply)) |
329 | { |
330 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]"; |
331 | return false; |
332 | } |
333 | list($junk,$num,$size) = explode(" ",$reply); |
334 | return $size; |
335 | } |
336 | $cmd = "LIST"; |
337 | $reply = $this->send_cmd($cmd); |
338 | if(!$this->is_ok($reply)) |
339 | { |
340 | $reply = $this->strip_clf($reply); |
341 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]"; |
342 | return false; |
343 | } |
344 | $MsgArray = array(); |
345 | $MsgArray[0] = $Total; |
346 | for($msgC=1;$msgC <= $Total; $msgC++) |
347 | { |
348 | if($msgC > $Total) { break; } |
349 | $line = fgets($fp,$this->BUFFER); |
350 | $line = $this->strip_clf($line); |
351 | if(ereg("^\.",$line)) |
352 | { |
353 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list"); |
354 | return false; |
355 | } |
356 | list($thisMsg,$msgSize) = explode(" ",$line); |
357 | settype($thisMsg,"integer"); |
358 | if($thisMsg != $msgC) |
359 | { |
360 | $MsgArray[$msgC] = "deleted"; |
361 | } |
362 | else |
363 | { |
364 | $MsgArray[$msgC] = $msgSize; |
365 | } |
366 | } |
367 | return $MsgArray; |
368 | } |
369 | |
370 | function get ($msgNum) { |
371 | // Retrieve the specified msg number. Returns an array |
372 | // where each line of the msg is an array element. |
373 | |
374 | if(!isset($this->FP)) |
375 | { |
376 | $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server"); |
377 | return false; |
378 | } |
379 | |
380 | $this->update_timer(); |
381 | |
382 | $fp = $this->FP; |
383 | $buffer = $this->BUFFER; |
384 | $cmd = "RETR $msgNum"; |
385 | $reply = $this->send_cmd($cmd); |
386 | |
387 | if(!$this->is_ok($reply)) |
388 | { |
389 | $this->ERROR = _("POP3 get:") . ' ' . _("Error ") . "[$reply]"; |
390 | return false; |
391 | } |
392 | |
393 | $count = 0; |
394 | $MsgArray = array(); |
395 | |
396 | $line = fgets($fp,$buffer); |
397 | while ( !ereg("^\.\r\n",$line)) |
398 | { |
399 | $MsgArray[$count] = $line; |
400 | $count++; |
401 | $line = fgets($fp,$buffer); |
402 | if(empty($line)) { break; } |
403 | } |
404 | return $MsgArray; |
405 | } |
406 | |
407 | function last ( $type = "count" ) { |
408 | // Returns the highest msg number in the mailbox. |
409 | // returns -1 on error, 0+ on success, if type != count |
410 | // results in a popstat() call (2 element array returned) |
411 | |
412 | $last = -1; |
413 | if(!isset($this->FP)) |
414 | { |
415 | $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server"); |
416 | return $last; |
417 | } |
418 | |
419 | $reply = $this->send_cmd("STAT"); |
420 | if(!$this->is_ok($reply)) |
421 | { |
422 | $this->ERROR = _("POP3 last:") . ' ' . _("Error ") . "[$reply]"; |
423 | return $last; |
424 | } |
425 | |
426 | $Vars = explode(" ",$reply); |
427 | $count = $Vars[1]; |
428 | $size = $Vars[2]; |
429 | settype($count,"integer"); |
430 | settype($size,"integer"); |
431 | if($type != "count") |
432 | { |
433 | return array($count,$size); |
434 | } |
435 | return $count; |
436 | } |
437 | |
438 | function reset () { |
439 | // Resets the status of the remote server. This includes |
440 | // resetting the status of ALL msgs to not be deleted. |
441 | // This method automatically closes the connection to the server. |
442 | |
443 | if(!isset($this->FP)) |
444 | { |
445 | $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server"); |
446 | return false; |
447 | } |
448 | $reply = $this->send_cmd("RSET"); |
449 | if(!$this->is_ok($reply)) |
450 | { |
451 | // The POP3 RSET command -never- gives a -ERR |
452 | // response - if it ever does, something truely |
453 | // wild is going on. |
454 | |
455 | $this->ERROR = _("POP3 reset:") . ' ' . _("Error ") . "[$reply]"; |
456 | @error_log("POP3 reset: ERROR [$reply]",0); |
457 | } |
458 | $this->quit(); |
459 | return true; |
460 | } |
461 | |
462 | function send_cmd ( $cmd = "" ) |
463 | { |
464 | // Sends a user defined command string to the |
465 | // POP server and returns the results. Useful for |
466 | // non-compliant or custom POP servers. |
467 | // Do NOT includ the \r\n as part of your command |
468 | // string - it will be appended automatically. |
469 | |
470 | // The return value is a standard fgets() call, which |
471 | // will read up to $this->BUFFER bytes of data, until it |
472 | // encounters a new line, or EOF, whichever happens first. |
473 | |
474 | // This method works best if $cmd responds with only |
475 | // one line of data. |
476 | |
477 | if(!isset($this->FP)) |
478 | { |
479 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server"); |
480 | return false; |
481 | } |
482 | |
483 | if(empty($cmd)) |
484 | { |
485 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string"); |
486 | return ""; |
487 | } |
488 | |
489 | $fp = $this->FP; |
490 | $buffer = $this->BUFFER; |
491 | $this->update_timer(); |
492 | fwrite($fp,"$cmd\r\n"); |
493 | $reply = fgets($fp,$buffer); |
494 | $reply = $this->strip_clf($reply); |
495 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
496 | return $reply; |
497 | } |
498 | |
499 | function quit() { |
500 | // Closes the connection to the POP3 server, deleting |
501 | // any msgs marked as deleted. |
502 | |
503 | if(!isset($this->FP)) |
504 | { |
505 | $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist"); |
506 | return false; |
507 | } |
508 | $fp = $this->FP; |
509 | $cmd = "QUIT"; |
510 | fwrite($fp,"$cmd\r\n"); |
511 | $reply = fgets($fp,$this->BUFFER); |
512 | $reply = $this->strip_clf($reply); |
513 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
514 | fclose($fp); |
515 | unset($this->FP); |
516 | return true; |
517 | } |
518 | |
519 | function popstat () { |
520 | // Returns an array of 2 elements. The number of undeleted |
521 | // msgs in the mailbox, and the size of the mbox in octets. |
522 | |
523 | $PopArray = $this->last("array"); |
524 | |
525 | if($PopArray == -1) { return false; } |
526 | |
527 | if( (!$PopArray) or (empty($PopArray)) ) |
528 | { |
529 | return false; |
530 | } |
531 | return $PopArray; |
532 | } |
533 | |
534 | function uidl ($msgNum = "") |
535 | { |
536 | // Returns the UIDL of the msg specified. If called with |
537 | // no arguments, returns an associative array where each |
538 | // undeleted msg num is a key, and the msg's uidl is the element |
539 | // Array element 0 will contain the total number of msgs |
540 | |
541 | if(!isset($this->FP)) { |
542 | $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server"); |
543 | return false; |
544 | } |
545 | |
546 | $fp = $this->FP; |
547 | $buffer = $this->BUFFER; |
548 | |
549 | if(!empty($msgNum)) { |
550 | $cmd = "UIDL $msgNum"; |
551 | $reply = $this->send_cmd($cmd); |
552 | if(!$this->is_ok($reply)) |
553 | { |
554 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]"; |
555 | return false; |
556 | } |
557 | list ($ok,$num,$myUidl) = explode(" ",$reply); |
558 | return $myUidl; |
559 | } else { |
560 | $this->update_timer(); |
561 | |
562 | $UIDLArray = array(); |
563 | $Total = $this->COUNT; |
564 | $UIDLArray[0] = $Total; |
565 | |
566 | if ($Total < 1) |
567 | { |
568 | return $UIDLArray; |
569 | } |
570 | $cmd = "UIDL"; |
571 | fwrite($fp, "UIDL\r\n"); |
572 | $reply = fgets($fp, $buffer); |
573 | $reply = $this->strip_clf($reply); |
574 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
575 | if(!$this->is_ok($reply)) |
576 | { |
577 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]"; |
578 | return false; |
579 | } |
580 | |
581 | $line = ""; |
582 | $count = 1; |
583 | $line = fgets($fp,$buffer); |
584 | while ( !ereg("^\.\r\n",$line)) { |
585 | if(ereg("^\.\r\n",$line)) { |
586 | break; |
587 | } |
588 | list ($msg,$msgUidl) = explode(" ",$line); |
589 | $msgUidl = $this->strip_clf($msgUidl); |
590 | if($count == $msg) { |
591 | $UIDLArray[$msg] = $msgUidl; |
592 | } |
593 | else |
594 | { |
d3c89357 |
595 | $UIDLArray[$count] = 'deleted'; |
d622d38a |
596 | } |
597 | $count++; |
598 | $line = fgets($fp,$buffer); |
599 | } |
600 | } |
601 | return $UIDLArray; |
602 | } |
603 | |
604 | function delete ($msgNum = "") { |
605 | // Flags a specified msg as deleted. The msg will not |
606 | // be deleted until a quit() method is called. |
607 | |
608 | if(!isset($this->FP)) |
609 | { |
610 | $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server"); |
611 | return false; |
612 | } |
613 | if(empty($msgNum)) |
614 | { |
615 | $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted"); |
616 | return false; |
617 | } |
618 | $reply = $this->send_cmd("DELE $msgNum"); |
619 | if(!$this->is_ok($reply)) |
620 | { |
621 | $this->ERROR = _("POP3 delete:") . ' ' . _("Command failed ") . "[$reply]"; |
622 | return false; |
623 | } |
624 | return true; |
625 | } |
626 | |
627 | // ********************************************************* |
628 | |
629 | // The following methods are internal to the class. |
630 | |
631 | function is_ok ($cmd = "") { |
632 | // Return true or false on +OK or -ERR |
633 | |
634 | if( empty($cmd) ) |
635 | return false; |
636 | else |
637 | return( ereg ("^\+OK", $cmd ) ); |
638 | } |
639 | |
640 | function strip_clf ($text = "") { |
641 | // Strips \r\n from server responses |
642 | |
643 | if(empty($text)) |
644 | return $text; |
645 | else { |
646 | $stripped = str_replace("\r",'',$text); |
647 | $stripped = str_replace("\n",'',$stripped); |
648 | return $stripped; |
649 | } |
650 | } |
651 | |
652 | function parse_banner ( $server_text ) { |
653 | $outside = true; |
654 | $banner = ""; |
655 | $length = strlen($server_text); |
656 | for($count =0; $count < $length; $count++) |
657 | { |
658 | $digit = substr($server_text,$count,1); |
659 | if(!empty($digit)) { |
660 | if( (!$outside) && ($digit != '<') && ($digit != '>') ) |
661 | { |
662 | $banner .= $digit; |
663 | } |
664 | if ($digit == '<') |
665 | { |
666 | $outside = false; |
667 | } |
668 | if($digit == '>') |
669 | { |
670 | $outside = true; |
671 | } |
672 | } |
673 | } |
674 | $banner = $this->strip_clf($banner); // Just in case |
675 | return "<$banner>"; |
676 | } |
677 | |
678 | } // End class |
679 | |
680 | ?> |