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1 | <?php |
4b4abf93 |
2 | |
4f51df66 |
3 | /** |
4 | * mail_fetch/class.POP3.php |
5 | * |
4f51df66 |
6 | * Copyright (c) 1999 CDI (cdi@thewebmasters.net) All Rights Reserved |
7 | * Modified by Philippe Mingo 2001 mingo@rotedic.com |
8 | * An RFC 1939 compliant wrapper class for the POP3 protocol. |
9 | * |
4f51df66 |
10 | * POP3 class |
11 | * |
47ccfad4 |
12 | * @copyright © 1999-2006 The SquirrelMail Project Team |
4b4abf93 |
13 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
4f51df66 |
14 | * @version $Id$ |
15 | * @package plugins |
16 | * @subpackage mail_fetch |
17 | */ |
d622d38a |
18 | |
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19 | /** |
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20 | * This is the POP3 class - DOCUMENT ME |
60683821 |
21 | * @package plugins |
22 | * @subpackage mail_fetch |
ea5f4b8e |
23 | */ |
d622d38a |
24 | class POP3 { |
d3c89357 |
25 | var $ERROR = ''; // Error string. |
d622d38a |
26 | |
27 | var $TIMEOUT = 60; // Default timeout before giving up on a |
28 | // network operation. |
29 | |
30 | var $COUNT = -1; // Mailbox msg count |
31 | |
32 | var $BUFFER = 512; // Socket buffer for socket fgets() calls. |
33 | // Per RFC 1939 the returned line a POP3 |
34 | // server can send is 512 bytes. |
35 | |
d3c89357 |
36 | var $FP = ''; // The connection to the server's |
d622d38a |
37 | // file descriptor |
38 | |
d3c89357 |
39 | var $MAILSERVER = ''; // Set this to hard code the server name |
d622d38a |
40 | |
ef610a28 |
41 | var $DEBUG = FALSE; // set to true to echo pop3 |
d622d38a |
42 | // commands and responses to error_log |
43 | // this WILL log passwords! |
44 | |
d3c89357 |
45 | var $BANNER = ''; // Holds the banner returned by the |
d622d38a |
46 | // pop server - used for apop() |
47 | |
14d288ff |
48 | var $ALLOWAPOP = FALSE; // Allow or disallow apop() |
d622d38a |
49 | // This must be set to true |
50 | // manually |
51 | |
d3c89357 |
52 | function POP3 ( $server = '', $timeout = '' ) { |
d622d38a |
53 | settype($this->BUFFER,"integer"); |
54 | if( !empty($server) ) { |
55 | // Do not allow programs to alter MAILSERVER |
56 | // if it is already specified. They can get around |
57 | // this if they -really- want to, so don't count on it. |
58 | if(empty($this->MAILSERVER)) |
59 | $this->MAILSERVER = $server; |
60 | } |
61 | if(!empty($timeout)) { |
62 | settype($timeout,"integer"); |
63 | $this->TIMEOUT = $timeout; |
05b06d34 |
64 | if (!ini_get('safe_mode')) |
65 | set_time_limit($timeout); |
d622d38a |
66 | } |
67 | return true; |
68 | } |
69 | |
70 | function update_timer () { |
05b06d34 |
71 | if (!ini_get('safe_mode')) |
72 | set_time_limit($this->TIMEOUT); |
d622d38a |
73 | return true; |
74 | } |
75 | |
76 | function connect ($server, $port = 110) { |
77 | // Opens a socket to the specified server. Unless overridden, |
78 | // port defaults to 110. Returns true on success, false on fail |
79 | |
80 | // If MAILSERVER is set, override $server with it's value |
91e0dccc |
81 | |
82 | if (!isset($port) || !$port) {$port = 110;} |
d622d38a |
83 | if(!empty($this->MAILSERVER)) |
84 | $server = $this->MAILSERVER; |
85 | |
86 | if(empty($server)){ |
87 | $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified"); |
88 | unset($this->FP); |
89 | return false; |
90 | } |
91 | |
ec674b78 |
92 | $fp = @fsockopen("$server", $port, $errno, $errstr); |
b2b99835 |
93 | |
d622d38a |
94 | if(!$fp) { |
3c021d16 |
95 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error") . ' ' . "[$errno] [$errstr]"; |
d622d38a |
96 | unset($this->FP); |
97 | return false; |
98 | } |
99 | |
100 | socket_set_blocking($fp,-1); |
101 | $this->update_timer(); |
102 | $reply = fgets($fp,$this->BUFFER); |
103 | $reply = $this->strip_clf($reply); |
104 | if($this->DEBUG) |
105 | error_log("POP3 SEND [connect: $server] GOT [$reply]",0); |
106 | if(!$this->is_ok($reply)) { |
3c021d16 |
107 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
108 | unset($this->FP); |
109 | return false; |
110 | } |
111 | $this->FP = $fp; |
112 | $this->BANNER = $this->parse_banner($reply); |
8c259d67 |
113 | return true; |
d622d38a |
114 | } |
115 | |
d622d38a |
116 | function user ($user = "") { |
117 | // Sends the USER command, returns true or false |
118 | |
119 | if( empty($user) ) { |
120 | $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted"); |
121 | return false; |
122 | } elseif(!isset($this->FP)) { |
123 | $this->ERROR = _("POP3 user:") . ' ' . _("connection not established"); |
124 | return false; |
125 | } else { |
126 | $reply = $this->send_cmd("USER $user"); |
127 | if(!$this->is_ok($reply)) { |
3c021d16 |
128 | $this->ERROR = _("POP3 user:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
129 | return false; |
130 | } else |
131 | return true; |
132 | } |
133 | } |
134 | |
135 | function pass ($pass = "") { |
136 | // Sends the PASS command, returns # of msgs in mailbox, |
137 | // returns false (undef) on Auth failure |
138 | |
139 | if(empty($pass)) { |
140 | $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted"); |
141 | return false; |
142 | } elseif(!isset($this->FP)) { |
143 | $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established"); |
144 | return false; |
145 | } else { |
146 | $reply = $this->send_cmd("PASS $pass"); |
147 | if(!$this->is_ok($reply)) { |
939d8f7f |
148 | $this->ERROR = _("POP3 pass:") . ' ' . _("Authentication failed") . " [$reply]"; |
d622d38a |
149 | $this->quit(); |
150 | return false; |
151 | } else { |
152 | // Auth successful. |
153 | $count = $this->last("count"); |
154 | $this->COUNT = $count; |
8c259d67 |
155 | return $count; |
d622d38a |
156 | } |
157 | } |
158 | } |
159 | |
160 | function apop ($login,$pass) { |
161 | // Attempts an APOP login. If this fails, it'll |
162 | // try a standard login. YOUR SERVER MUST SUPPORT |
163 | // THE USE OF THE APOP COMMAND! |
164 | // (apop is optional per rfc1939) |
165 | |
166 | if(!isset($this->FP)) { |
167 | $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server"); |
168 | return false; |
169 | } elseif(!$this->ALLOWAPOP) { |
170 | $retVal = $this->login($login,$pass); |
171 | return $retVal; |
172 | } elseif(empty($login)) { |
173 | $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted"); |
174 | return false; |
175 | } elseif(empty($pass)) { |
176 | $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted"); |
177 | return false; |
178 | } else { |
179 | $banner = $this->BANNER; |
180 | if( (!$banner) or (empty($banner)) ) { |
181 | $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort"); |
182 | $retVal = $this->login($login,$pass); |
183 | return $retVal; |
184 | } else { |
185 | $AuthString = $banner; |
186 | $AuthString .= $pass; |
187 | $APOPString = md5($AuthString); |
188 | $cmd = "APOP $login $APOPString"; |
189 | $reply = $this->send_cmd($cmd); |
190 | if(!$this->is_ok($reply)) { |
191 | $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort"); |
192 | $retVal = $this->login($login,$pass); |
193 | return $retVal; |
194 | } else { |
195 | // Auth successful. |
196 | $count = $this->last("count"); |
197 | $this->COUNT = $count; |
8c259d67 |
198 | return $count; |
d622d38a |
199 | } |
200 | } |
201 | } |
202 | } |
203 | |
204 | function login ($login = "", $pass = "") { |
205 | // Sends both user and pass. Returns # of msgs in mailbox or |
206 | // false on failure (or -1, if the error occurs while getting |
207 | // the number of messages.) |
208 | |
209 | if( !isset($this->FP) ) { |
210 | $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server"); |
211 | return false; |
212 | } else { |
213 | $fp = $this->FP; |
214 | if( !$this->user( $login ) ) { |
215 | // Preserve the error generated by user() |
216 | return false; |
217 | } else { |
218 | $count = $this->pass($pass); |
219 | if( (!$count) || ($count == -1) ) { |
220 | // Preserve the error generated by last() and pass() |
221 | return false; |
222 | } else |
223 | return $count; |
224 | } |
225 | } |
226 | } |
227 | |
228 | function top ($msgNum, $numLines = "0") { |
229 | // Gets the header and first $numLines of the msg body |
230 | // returns data in an array with each returned line being |
231 | // an array element. If $numLines is empty, returns |
232 | // only the header information, and none of the body. |
233 | |
234 | if(!isset($this->FP)) { |
235 | $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server"); |
236 | return false; |
237 | } |
238 | $this->update_timer(); |
239 | |
240 | $fp = $this->FP; |
241 | $buffer = $this->BUFFER; |
242 | $cmd = "TOP $msgNum $numLines"; |
243 | fwrite($fp, "TOP $msgNum $numLines\r\n"); |
244 | $reply = fgets($fp, $buffer); |
245 | $reply = $this->strip_clf($reply); |
246 | if($this->DEBUG) { |
247 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
248 | } |
249 | if(!$this->is_ok($reply)) |
250 | { |
3c021d16 |
251 | $this->ERROR = _("POP3 top:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
252 | return false; |
253 | } |
254 | |
255 | $count = 0; |
256 | $MsgArray = array(); |
257 | |
258 | $line = fgets($fp,$buffer); |
259 | while ( !ereg("^\.\r\n",$line)) |
260 | { |
261 | $MsgArray[$count] = $line; |
262 | $count++; |
263 | $line = fgets($fp,$buffer); |
264 | if(empty($line)) { break; } |
265 | } |
266 | |
267 | return $MsgArray; |
268 | } |
269 | |
270 | function pop_list ($msgNum = "") { |
271 | // If called with an argument, returns that msgs' size in octets |
272 | // No argument returns an associative array of undeleted |
273 | // msg numbers and their sizes in octets |
274 | |
275 | if(!isset($this->FP)) |
276 | { |
277 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server"); |
278 | return false; |
279 | } |
280 | $fp = $this->FP; |
281 | $Total = $this->COUNT; |
282 | if( (!$Total) or ($Total == -1) ) |
283 | { |
284 | return false; |
285 | } |
286 | if($Total == 0) |
287 | { |
288 | return array("0","0"); |
289 | // return -1; // mailbox empty |
290 | } |
291 | |
292 | $this->update_timer(); |
293 | |
294 | if(!empty($msgNum)) |
295 | { |
296 | $cmd = "LIST $msgNum"; |
297 | fwrite($fp,"$cmd\r\n"); |
298 | $reply = fgets($fp,$this->BUFFER); |
299 | $reply = $this->strip_clf($reply); |
300 | if($this->DEBUG) { |
301 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
302 | } |
303 | if(!$this->is_ok($reply)) |
304 | { |
3c021d16 |
305 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
306 | return false; |
307 | } |
402f38e2 |
308 | list($junk,$num,$size) = preg_split('/\s+/',$reply); |
d622d38a |
309 | return $size; |
310 | } |
311 | $cmd = "LIST"; |
312 | $reply = $this->send_cmd($cmd); |
313 | if(!$this->is_ok($reply)) |
314 | { |
315 | $reply = $this->strip_clf($reply); |
3c021d16 |
316 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
317 | return false; |
318 | } |
319 | $MsgArray = array(); |
320 | $MsgArray[0] = $Total; |
321 | for($msgC=1;$msgC <= $Total; $msgC++) |
322 | { |
323 | if($msgC > $Total) { break; } |
324 | $line = fgets($fp,$this->BUFFER); |
325 | $line = $this->strip_clf($line); |
326 | if(ereg("^\.",$line)) |
327 | { |
328 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list"); |
329 | return false; |
330 | } |
402f38e2 |
331 | list($thisMsg,$msgSize) = preg_split('/\s+/',$line); |
d622d38a |
332 | settype($thisMsg,"integer"); |
333 | if($thisMsg != $msgC) |
334 | { |
335 | $MsgArray[$msgC] = "deleted"; |
336 | } |
337 | else |
338 | { |
339 | $MsgArray[$msgC] = $msgSize; |
340 | } |
341 | } |
342 | return $MsgArray; |
343 | } |
344 | |
345 | function get ($msgNum) { |
346 | // Retrieve the specified msg number. Returns an array |
347 | // where each line of the msg is an array element. |
348 | |
349 | if(!isset($this->FP)) |
350 | { |
351 | $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server"); |
352 | return false; |
353 | } |
354 | |
355 | $this->update_timer(); |
356 | |
357 | $fp = $this->FP; |
358 | $buffer = $this->BUFFER; |
359 | $cmd = "RETR $msgNum"; |
360 | $reply = $this->send_cmd($cmd); |
361 | |
362 | if(!$this->is_ok($reply)) |
363 | { |
3c021d16 |
364 | $this->ERROR = _("POP3 get:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
365 | return false; |
366 | } |
367 | |
368 | $count = 0; |
369 | $MsgArray = array(); |
370 | |
371 | $line = fgets($fp,$buffer); |
372 | while ( !ereg("^\.\r\n",$line)) |
373 | { |
374 | $MsgArray[$count] = $line; |
375 | $count++; |
376 | $line = fgets($fp,$buffer); |
377 | if(empty($line)) { break; } |
378 | } |
379 | return $MsgArray; |
380 | } |
381 | |
382 | function last ( $type = "count" ) { |
383 | // Returns the highest msg number in the mailbox. |
384 | // returns -1 on error, 0+ on success, if type != count |
385 | // results in a popstat() call (2 element array returned) |
386 | |
387 | $last = -1; |
388 | if(!isset($this->FP)) |
389 | { |
390 | $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server"); |
391 | return $last; |
392 | } |
393 | |
394 | $reply = $this->send_cmd("STAT"); |
395 | if(!$this->is_ok($reply)) |
396 | { |
3c021d16 |
397 | $this->ERROR = _("POP3 last:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
398 | return $last; |
399 | } |
400 | |
402f38e2 |
401 | $Vars = preg_split('/\s+/',$reply); |
d622d38a |
402 | $count = $Vars[1]; |
403 | $size = $Vars[2]; |
404 | settype($count,"integer"); |
405 | settype($size,"integer"); |
406 | if($type != "count") |
407 | { |
408 | return array($count,$size); |
409 | } |
410 | return $count; |
411 | } |
412 | |
413 | function reset () { |
414 | // Resets the status of the remote server. This includes |
415 | // resetting the status of ALL msgs to not be deleted. |
416 | // This method automatically closes the connection to the server. |
417 | |
418 | if(!isset($this->FP)) |
419 | { |
420 | $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server"); |
421 | return false; |
422 | } |
423 | $reply = $this->send_cmd("RSET"); |
424 | if(!$this->is_ok($reply)) |
425 | { |
426 | // The POP3 RSET command -never- gives a -ERR |
427 | // response - if it ever does, something truely |
428 | // wild is going on. |
429 | |
3c021d16 |
430 | $this->ERROR = _("POP3 reset:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
431 | @error_log("POP3 reset: ERROR [$reply]",0); |
432 | } |
433 | $this->quit(); |
434 | return true; |
435 | } |
436 | |
437 | function send_cmd ( $cmd = "" ) |
438 | { |
439 | // Sends a user defined command string to the |
440 | // POP server and returns the results. Useful for |
441 | // non-compliant or custom POP servers. |
442 | // Do NOT includ the \r\n as part of your command |
443 | // string - it will be appended automatically. |
444 | |
445 | // The return value is a standard fgets() call, which |
446 | // will read up to $this->BUFFER bytes of data, until it |
447 | // encounters a new line, or EOF, whichever happens first. |
448 | |
449 | // This method works best if $cmd responds with only |
450 | // one line of data. |
451 | |
452 | if(!isset($this->FP)) |
453 | { |
454 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server"); |
455 | return false; |
456 | } |
457 | |
458 | if(empty($cmd)) |
459 | { |
460 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string"); |
461 | return ""; |
462 | } |
463 | |
464 | $fp = $this->FP; |
465 | $buffer = $this->BUFFER; |
466 | $this->update_timer(); |
467 | fwrite($fp,"$cmd\r\n"); |
468 | $reply = fgets($fp,$buffer); |
469 | $reply = $this->strip_clf($reply); |
470 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
471 | return $reply; |
472 | } |
473 | |
474 | function quit() { |
475 | // Closes the connection to the POP3 server, deleting |
476 | // any msgs marked as deleted. |
477 | |
478 | if(!isset($this->FP)) |
479 | { |
480 | $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist"); |
481 | return false; |
482 | } |
483 | $fp = $this->FP; |
484 | $cmd = "QUIT"; |
485 | fwrite($fp,"$cmd\r\n"); |
486 | $reply = fgets($fp,$this->BUFFER); |
487 | $reply = $this->strip_clf($reply); |
488 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
489 | fclose($fp); |
490 | unset($this->FP); |
491 | return true; |
492 | } |
493 | |
494 | function popstat () { |
495 | // Returns an array of 2 elements. The number of undeleted |
496 | // msgs in the mailbox, and the size of the mbox in octets. |
497 | |
498 | $PopArray = $this->last("array"); |
499 | |
500 | if($PopArray == -1) { return false; } |
501 | |
502 | if( (!$PopArray) or (empty($PopArray)) ) |
503 | { |
504 | return false; |
505 | } |
506 | return $PopArray; |
507 | } |
508 | |
509 | function uidl ($msgNum = "") |
510 | { |
511 | // Returns the UIDL of the msg specified. If called with |
512 | // no arguments, returns an associative array where each |
513 | // undeleted msg num is a key, and the msg's uidl is the element |
514 | // Array element 0 will contain the total number of msgs |
515 | |
516 | if(!isset($this->FP)) { |
517 | $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server"); |
518 | return false; |
519 | } |
520 | |
521 | $fp = $this->FP; |
522 | $buffer = $this->BUFFER; |
523 | |
524 | if(!empty($msgNum)) { |
525 | $cmd = "UIDL $msgNum"; |
526 | $reply = $this->send_cmd($cmd); |
527 | if(!$this->is_ok($reply)) |
528 | { |
3c021d16 |
529 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
530 | return false; |
531 | } |
402f38e2 |
532 | list ($ok,$num,$myUidl) = preg_split('/\s+/',$reply); |
d622d38a |
533 | return $myUidl; |
534 | } else { |
535 | $this->update_timer(); |
536 | |
537 | $UIDLArray = array(); |
538 | $Total = $this->COUNT; |
539 | $UIDLArray[0] = $Total; |
540 | |
541 | if ($Total < 1) |
542 | { |
543 | return $UIDLArray; |
544 | } |
545 | $cmd = "UIDL"; |
546 | fwrite($fp, "UIDL\r\n"); |
547 | $reply = fgets($fp, $buffer); |
548 | $reply = $this->strip_clf($reply); |
549 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
550 | if(!$this->is_ok($reply)) |
551 | { |
3c021d16 |
552 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error") . ' ' . "[$reply]"; |
d622d38a |
553 | return false; |
554 | } |
555 | |
556 | $line = ""; |
557 | $count = 1; |
558 | $line = fgets($fp,$buffer); |
559 | while ( !ereg("^\.\r\n",$line)) { |
560 | if(ereg("^\.\r\n",$line)) { |
561 | break; |
562 | } |
402f38e2 |
563 | list ($msg,$msgUidl) = preg_split('/\s+/',$line); |
d622d38a |
564 | $msgUidl = $this->strip_clf($msgUidl); |
565 | if($count == $msg) { |
566 | $UIDLArray[$msg] = $msgUidl; |
567 | } |
568 | else |
569 | { |
d3c89357 |
570 | $UIDLArray[$count] = 'deleted'; |
d622d38a |
571 | } |
572 | $count++; |
573 | $line = fgets($fp,$buffer); |
574 | } |
575 | } |
576 | return $UIDLArray; |
577 | } |
578 | |
579 | function delete ($msgNum = "") { |
580 | // Flags a specified msg as deleted. The msg will not |
581 | // be deleted until a quit() method is called. |
582 | |
583 | if(!isset($this->FP)) |
584 | { |
585 | $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server"); |
586 | return false; |
587 | } |
588 | if(empty($msgNum)) |
589 | { |
590 | $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted"); |
591 | return false; |
592 | } |
593 | $reply = $this->send_cmd("DELE $msgNum"); |
594 | if(!$this->is_ok($reply)) |
595 | { |
3c021d16 |
596 | $this->ERROR = _("POP3 delete:") . ' ' . _("Command failed") . ' ' . "[$reply]"; |
d622d38a |
597 | return false; |
598 | } |
599 | return true; |
600 | } |
601 | |
602 | // ********************************************************* |
603 | |
604 | // The following methods are internal to the class. |
605 | |
606 | function is_ok ($cmd = "") { |
607 | // Return true or false on +OK or -ERR |
608 | |
609 | if( empty($cmd) ) |
610 | return false; |
611 | else |
612 | return( ereg ("^\+OK", $cmd ) ); |
613 | } |
614 | |
615 | function strip_clf ($text = "") { |
616 | // Strips \r\n from server responses |
617 | |
618 | if(empty($text)) |
619 | return $text; |
620 | else { |
621 | $stripped = str_replace("\r",'',$text); |
622 | $stripped = str_replace("\n",'',$stripped); |
623 | return $stripped; |
624 | } |
625 | } |
626 | |
627 | function parse_banner ( $server_text ) { |
628 | $outside = true; |
629 | $banner = ""; |
630 | $length = strlen($server_text); |
631 | for($count =0; $count < $length; $count++) |
632 | { |
633 | $digit = substr($server_text,$count,1); |
634 | if(!empty($digit)) { |
635 | if( (!$outside) && ($digit != '<') && ($digit != '>') ) |
636 | { |
637 | $banner .= $digit; |
638 | } |
639 | if ($digit == '<') |
640 | { |
641 | $outside = false; |
642 | } |
643 | if($digit == '>') |
644 | { |
645 | $outside = true; |
646 | } |
647 | } |
648 | } |
649 | $banner = $this->strip_clf($banner); // Just in case |
650 | return "<$banner>"; |
651 | } |
652 | |
653 | } // End class |
654 | |