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