xref: /PHP-5.3/ext/ftp/tests/server.inc (revision c0c141d0)
1<?php
2
3$socket = null;
4$errno = 0;
5$context = stream_context_create(array('ssl' => array('local_cert' => dirname(__FILE__).'/cert.pem', 'passphrase' => 'pass')));
6
7for ($i=0; $i<10 && !$socket; ++$i) {
8	$port = rand(50000, 65535);
9
10	$socket = stream_socket_server("tcp://127.0.0.1:$port", $errno, $errstr, STREAM_SERVER_BIND|STREAM_SERVER_LISTEN, $context);
11}
12//set anther random port that is not the same as $port
13do{
14	$pasv_port = rand(50000, 65535);
15}while($pasv_port == $port);
16
17if (!$socket) {
18	die("could not start/bind the ftp server\n");
19}
20
21
22
23
24$pid = pcntl_fork();
25
26
27
28function pasv_listen($action){
29	global $pasv_port, $tmp_file;
30	$tmp_file = 'nm2.php';
31	$pid = pcntl_fork();
32	if($pid === 0){
33		$soc  = stream_socket_server("tcp://127.0.0.1:$pasv_port");
34		$fs = stream_socket_accept($soc, 3);
35		switch ($action) {
36			case 'fget':
37			case 'get':
38			//listen for 3 seconds 3 seconds
39			fputs($fs, "I am passive.\r\n");
40			break;
41			case 'put':
42			file_put_contents($tmp_file,  stream_get_contents($fs));
43			break;
44			case 'list':
45			fputs($fs, "drwxr-x---   3 owner  group      4096 Jul 12 12:16 .\r\n");
46			fputs($fs, "drwxr-x---   3 owner  group      4096 Jul 12 12:16 ..\r\n");
47			fputs($fs, "drwxr-x---   3 owner  group      4096 Jul 12 12:16 public_ftp\r\n");
48			break;
49			case 'list_null':
50			fputs($fs, "\r\n");
51			break;
52		}
53		fclose($fs);
54		exit;
55	}
56}
57
58
59
60if ($pid) {
61
62	function dump_and_exit($buf)
63	{
64		var_dump($buf);
65		fclose($GLOBALS['s']);
66		exit;
67	}
68
69	function anonymous()
70	{
71		return $GLOBALS['user'] === 'anonymous';
72	}
73
74	/* quick&dirty realpath() like function */
75	function change_dir($dir)
76	{
77		global $cwd;
78
79		if ($dir[0] == '/') {
80			$cwd = $dir;
81			return;
82		}
83
84		$cwd = "$cwd/$dir";
85
86		do {
87			$old = $cwd;
88			$cwd = preg_replace('@/?[^/]+/\.\.@', '', $cwd);
89		} while ($old != $cwd);
90
91		$cwd = strtr($cwd, array('//' => '/'));
92		if (!$cwd) $cwd = '/';
93	}
94
95	$s = stream_socket_accept($socket);
96
97	if (!$s) die("Error accepting a new connection\n");
98
99	fputs($s, "220----- PHP FTP server 0.3 -----\r\n220 Service ready\r\n");
100	$buf = fread($s, 2048);
101
102
103	function user_auth($buf) {
104		global $user, $s, $ssl, $bug37799;
105
106		if (!empty($ssl)) {
107			if ($buf !== "AUTH TLS\r\n") {
108				fputs($s, "500 Syntax error, command unrecognized.\r\n");
109				dump_and_exit($buf);
110			}
111
112			if (empty($bug37799)) {
113				fputs($s, "234 auth type accepted\r\n");
114			} else {
115				fputs($s, "666 dummy\r\n");
116				fputs($s, "666 bogus msg\r\n");
117				exit;
118			}
119
120			if (!stream_socket_enable_crypto($s, true, STREAM_CRYPTO_METHOD_SSLv23_SERVER)) {
121				die("SSLv23 handshake failed.\n");
122			}
123
124			if (!preg_match('/^PBSZ \d+\r\n$/', $buf = fread($s, 2048))) {
125				fputs($s, "501 bogus data\r\n");
126				dump_and_exit($buf);
127			}
128
129			fputs($s, "200 OK\r\n");
130			$buf = fread($s, 2048);
131
132			if ($buf !== "PROT P\r\n") {
133				fputs($s, "504 Wrong protection.\r\n");
134				dump_and_exit($buf);
135			}
136
137			fputs($s, "200 OK\r\n");
138
139			$buf = fread($s, 2048);
140		}
141
142		if (!preg_match('/^USER (\w+)\r\n$/', $buf, $m)) {
143			fputs($s, "500 Syntax error, command unrecognized.\r\n");
144			dump_and_exit($buf);
145		}
146		$user = $m[1];
147		if ($user !== 'user' && $user !== 'anonymous') {
148			fputs($s, "530 Not logged in.\r\n");
149			fclose($s);
150			exit;
151		}
152
153		if (anonymous()) {
154			fputs($s, "230 Anonymous user logged in\r\n");
155
156		} else {
157			fputs($s, "331 User name ok, need password\r\n");
158
159			if (!preg_match('/^PASS (\w+)\r\n$/', $buf = fread($s, 100), $m)) {
160				fputs($s, "500 Syntax error, command unrecognized.\r\n");
161				dump_and_exit($buf);
162			}
163
164			$pass = $m[1];
165			if ($pass === 'pass') {
166				fputs($s, "230 User logged in\r\n");
167			} else {
168				fputs($s, "530 Not logged in.\r\n");
169				fclose($s);
170				exit;
171			}
172		}
173	}
174
175	user_auth($buf);
176
177	$cwd = '/';
178	$num_bogus_cmds = 0;
179
180	while($buf = fread($s, 4098)) {
181		if (!empty($bogus)) {
182			fputs($s, "502 Command not implemented (".$num_bogus_cmds++.").\r\n");
183
184		} else if ($buf === "HELP\r\n") {
185			fputs($s, "214-There is help available for the following commands:\r\n");
186			fputs($s, " USER\r\n");
187			fputs($s, " HELP\r\n");
188			fputs($s, "214 end of list\r\n");
189
190		} elseif ($buf === "HELP HELP\r\n") {
191			fputs($s, "214 Syntax: HELP [<SP> <string>] <CRLF>\r\n");
192
193		} elseif ($buf === "PWD\r\n") {
194			fputs($s, "257 \"$cwd\" is current directory.\r\n");
195
196		} elseif ($buf === "CDUP\r\n") {
197			change_dir('..');
198			fputs($s, "250 CDUP command successful.\r\n");
199
200		} elseif ($buf === "SYST\r\n") {
201			if (isset($bug27809)) {
202				fputs($s, "215   OS/400 is the remote operating system. The TCP/IP version is \"V5R2M0\"\r\n");
203			} else {
204				fputs($s, "215 UNIX Type: L8.\r\n");
205			}
206
207		} elseif ($buf === "TYPE A\r\n") {
208			$ascii = true;
209			fputs($s, "200 OK\r\n");
210
211		} elseif ($buf === "TYPE I\r\n") {
212			$ascii = false;
213			fputs($s, "200 OK\r\n");
214
215		} elseif ($buf === "QUIT\r\n") {
216			break;
217
218		} elseif (preg_match("~^PORT (\d+),(\d+),(\d+),(\d+),(\d+),(\d+)\r\n$~", $buf, $m)) {
219			$host = "$m[1].$m[2].$m[3].$m[4]";
220			$port = ((int)$m[5] << 8) + (int)$m[6];
221			fputs($s, "200 OK.\r\n");
222
223		} elseif (preg_match("~^STOR ([\w/.-]+)\r\n$~", $buf, $m)) {
224			fputs($s, "150 File status okay; about to open data connection\r\n");
225
226			if(empty($pasv))
227			{
228				if (!$fs = stream_socket_client("tcp://$host:$port")) {
229					fputs($s, "425 Can't open data connection\r\n");
230					continue;
231				}
232
233				$data = stream_get_contents($fs);
234				$orig = file_get_contents(dirname(__FILE__).'/'.$m[1]);
235
236
237				if (isset($ascii) && !$ascii && $orig === $data) {
238					fputs($s, "226 Closing data Connection.\r\n");
239
240				} elseif ((!empty($ascii) || isset($bug39583)) && $data === strtr($orig, array("\r\n" => "\n", "\r" => "\n", "\n" => "\r\n"))) {
241					fputs($s, "226 Closing data Connection.\r\n");
242
243				} else {
244					var_dump($data);
245					var_dump($orig);
246					fputs($s, "552 Requested file action aborted.\r\n");
247				}
248				fclose($fs);
249			}else{
250				$data = file_get_contents('nm2.php');
251				$orig = file_get_contents(dirname(__FILE__).'/'.$m[1]);
252				if ( $orig === $data) {
253					fputs($s, "226 Closing data Connection.\r\n");
254
255				} else {
256					var_dump($data);
257					var_dump($orig);
258					fputs($s, "552 Requested file action aborted.\r\n");
259				}
260			}
261
262		} elseif (preg_match("~^CWD ([A-Za-z./]+)\r\n$~", $buf, $m)) {
263			change_dir($m[1]);
264			fputs($s, "250 CWD command successful.\r\n");
265
266		} elseif (preg_match("~^NLST(?: ([A-Za-z./]+))?\r\n$~", $buf, $m)) {
267
268			if (isset($m[1]) && $m[1] === 'bogusdir') {
269				fputs($s, "250 $m[1]: No such file or directory\r\n");
270				continue;
271			}
272
273			// there are some servers that don't open the ftp-data socket if there's nothing to send
274			if (isset($bug39458) && isset($m[1]) && $m[1] === 'emptydir') {
275				fputs($s, "226 Transfer complete.\r\n");
276				continue;
277			}
278
279			fputs($s, "150 File status okay; about to open data connection\r\n");
280
281			if (!$fs = stream_socket_client("tcp://$host:$port")) {
282				fputs($s, "425 Can't open data connection\r\n");
283				continue;
284			}
285
286			if (empty($m[1]) || $m[1] !== 'emptydir') {
287				fputs($fs, "file1\r\nfile1\r\nfile\nb0rk\r\n");
288			}
289
290			fputs($s, "226 Closing data Connection.\r\n");
291			fclose($fs);
292
293		} elseif (preg_match("~^MKD ([A-Za-z./]+)\r\n$~", $buf, $m)) {
294			if (isset($bug7216)) {
295				fputs($s, "257 OK.\r\n");
296			} else {
297				fputs($s, "257 \"/path/to/ftproot$cwd$m[1]\" created.\r\n");
298			}
299
300		} elseif (preg_match('/^USER /', $buf)) {
301			user_auth($buf);
302
303		} elseif (preg_match('/^MDTM ([\w\h]+)/', $buf, $matches)) {
304			switch ($matches [1]){
305				case "A":
306				fputs($s, "213 19980615100045.014\r\n");
307				break;
308				case "B":
309				fputs($s, "213 19980615100045.014\r\n");
310				break;
311				case "C":
312				fputs($s, "213 19980705132316\r\n");
313				break;
314				case "19990929043300 File6":
315				fputs($s, "213 19991005213102\r\n");
316				break;
317				default :
318				fputs($s, "550 No file named \"{$matches [1]}\"\r\n");
319				break;
320			}
321		}elseif (preg_match('/^RETR ([\w\h]+)/', $buf, $matches)) {
322			if(!empty($pasv)){
323				;
324			}
325			else if (!$fs = stream_socket_client("tcp://$host:$port")) {
326				fputs($s, "425 Can't open data connection\r\n");
327				continue;
328			}
329
330			switch($matches[1]){
331
332				case "pasv":
333					fputs($s, "150 File status okay; about to open data connection.\r\n");
334					//the data connection is handled in another forked process
335					// called from outside this while loop
336					fputs($s, "226 Closing data Connection.\r\n");
337					break;
338				case "a story":
339					fputs($s, "150 File status okay; about to open data connection.\r\n");
340					fputs($fs, "For sale: baby shoes, never worn.\r\n");
341					fputs($s, "226 Closing data Connection.\r\n");
342					break;
343				case "binary data":
344					fputs($s, "150 File status okay; about to open data connection.\r\n");
345					$transfer_type = $ascii? 'ASCII' : 'BINARY' ;
346					fputs($fs, $transfer_type."Foo\0Bar\r\n");
347					fputs($s, "226 Closing data Connection.\r\n");
348					break;
349				case "fget":
350					fputs($s, "150 File status okay; about to open data connection.\r\n");
351					$transfer_type = $ascii? 'ASCII' : 'BINARY' ;
352					fputs($fs, $transfer_type."FooBar\r\n");
353					fputs($s, "226 Closing data Connection.\r\n");
354					break;
355				case "fgetresume":
356					fputs($s, "150 File status okay; about to open data connection.\r\n");
357					$transfer_type = $ascii? 'ASCII' : 'BINARY' ;
358					fputs($fs, "Bar\r\n");
359					fputs($s, "226 Closing data Connection.\r\n");
360					break;
361				default:
362					fputs($s, "550 {$matches[1]}: No such file or directory \r\n");
363					break;
364			}
365			if(isset($fs))
366				fclose($fs);
367
368
369		}elseif (preg_match('/^PASV/', $buf, $matches)) {
370			$port = $pasv_port;
371			$p2 = $port % ((int) 1 << 8);
372			$p1 = ($port-$p2)/((int) 1 << 8);
373			$host = "127.0.0.1";
374			fputs($s, "227 Entering Passive Mode. (127,0,0,1,{$p1},{$p2})\r\n");
375
376
377		} elseif (preg_match('/^SITE EXEC/', $buf, $matches)) {
378			fputs($s, "200 OK\r\n");
379
380		} elseif (preg_match('/^RMD/', $buf, $matches)) {
381			fputs($s, "250 OK\r\n");
382
383		} elseif (preg_match('/^SITE CHMOD/', $buf, $matches)) {
384			fputs($s, "200 OK\r\n");
385
386		} elseif (preg_match('/^ALLO (\d+)/', $buf, $matches)) {
387			fputs($s, "200 " . $matches[1] . " bytes allocated\r\n");
388
389		}elseif (preg_match('/^LIST www\//', $buf, $matches)) {
390			fputs($s, "150 Opening ASCII mode data connection for file list\r\n");
391			fputs($s, "226 Transfer complete\r\n");
392
393		}elseif (preg_match('/^LIST no_exists\//', $buf, $matches)) {
394			fputs($s, "425 Error establishing connection\r\n");
395
396		}elseif (preg_match('/^REST \d+/', $buf, $matches)) {
397			fputs($s, "350 OK\r\n");
398		}
399
400		else {
401			fputs($s, "500 Syntax error, command unrecognized.\r\n");
402			dump_and_exit($buf);
403		}
404	}
405	fclose($s);
406	exit;
407}
408
409fclose($socket);
410?>