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https://github.com/php/php-src.git
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server for ftp tests
This commit is contained in:
Zoe Slattery
parent
d4ba889aa4
commit
acbc3d54f8
1 changed files with 373 additions and 261 deletions
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@ -6,32 +6,74 @@ $context = stream_context_create(array('ssl' => array('local_cert' => dirname(__
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for ($i=0; $i<10 && !$socket; ++$i) {
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$port = rand(50000, 65535);
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$socket = stream_socket_server("tcp://127.0.0.1:$port", $errno, $errstr, STREAM_SERVER_BIND|STREAM_SERVER_LISTEN, $context);
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}
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//set anther random port that is not the same as $port
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do{
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$pasv_port = rand(50000, 65535);
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}while($pasv_port == $port);
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if (!$socket) {
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die("could not start/bind the ftp server\n");
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}
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$pid = pcntl_fork();
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function pasv_listen($action){
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global $pasv_port, $tmp_file;
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$tmp_file = 'nm2.php';
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$pid = pcntl_fork();
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if($pid === 0){
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$soc = stream_socket_server("tcp://127.0.0.1:$pasv_port");
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$fs = stream_socket_accept($soc, 3);
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switch ($action) {
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case 'fget':
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case 'get':
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//listen for 3 seconds 3 seconds
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fputs($fs, "I am passive.\r\n");
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break;
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case 'put':
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file_put_contents($tmp_file, stream_get_contents($fs));
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break;
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case 'list':
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fputs($fs, "drwxr-x--- 3 owner group 4096 Jul 12 12:16 .\r\n");
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fputs($fs, "drwxr-x--- 3 owner group 4096 Jul 12 12:16 ..\r\n");
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fputs($fs, "drwxr-x--- 3 owner group 4096 Jul 12 12:16 public_ftp\r\n");
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break;
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case 'list_null':
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fputs($fs, "\r\n");
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break;
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}
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fclose($fs);
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exit;
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}
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}
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if ($pid) {
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function dump_and_exit($buf)
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{
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function dump_and_exit($buf)
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{
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var_dump($buf);
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fclose($GLOBALS['s']);
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exit;
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}
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}
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function anonymous()
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{
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function anonymous()
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{
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return $GLOBALS['user'] === 'anonymous';
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}
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}
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/* quick&dirty realpath() like function */
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function change_dir($dir)
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{
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/* quick&dirty realpath() like function */
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function change_dir($dir)
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{
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global $cwd;
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if ($dir[0] == '/') {
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@ -48,20 +90,20 @@ function change_dir($dir)
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$cwd = strtr($cwd, array('//' => '/'));
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if (!$cwd) $cwd = '/';
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}
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}
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$s = stream_socket_accept($socket);
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if (!$s) die("Error accepting a new connection\n");
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fputs($s, "220----- PHP FTP server 0.3 -----\r\n220 Service ready\r\n");
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$buf = fread($s, 2048);
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$s = stream_socket_accept($socket);
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if (!$s) die("Error accepting a new connection\n");
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fputs($s, "220----- PHP FTP server 0.3 -----\r\n220 Service ready\r\n");
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$buf = fread($s, 2048);
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function user_auth($buf) {
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function user_auth($buf) {
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global $user, $s, $ssl, $bug37799;
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if (!empty($ssl)) {
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if (!empty($ssl)) {
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if ($buf !== "AUTH TLS\r\n") {
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fputs($s, "500 Syntax error, command unrecognized.\r\n");
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dump_and_exit($buf);
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@ -95,23 +137,23 @@ if (!empty($ssl)) {
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fputs($s, "200 OK\r\n");
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$buf = fread($s, 2048);
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}
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}
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if (!preg_match('/^USER (\w+)\r\n$/', $buf, $m)) {
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if (!preg_match('/^USER (\w+)\r\n$/', $buf, $m)) {
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fputs($s, "500 Syntax error, command unrecognized.\r\n");
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dump_and_exit($buf);
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}
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$user = $m[1];
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if ($user !== 'user' && $user !== 'anonymous') {
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}
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$user = $m[1];
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if ($user !== 'user' && $user !== 'anonymous') {
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fputs($s, "530 Not logged in.\r\n");
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fclose($s);
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exit;
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}
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}
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if (anonymous()) {
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if (anonymous()) {
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fputs($s, "230 Anonymous user logged in\r\n");
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} else {
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} else {
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fputs($s, "331 User name ok, need password\r\n");
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if (!preg_match('/^PASS (\w+)\r\n$/', $buf = fread($s, 100), $m)) {
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@ -127,15 +169,15 @@ if (anonymous()) {
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fclose($s);
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exit;
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}
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}
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}
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}
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}
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user_auth($buf);
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user_auth($buf);
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$cwd = '/';
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$num_bogus_cmds = 0;
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$cwd = '/';
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$num_bogus_cmds = 0;
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while($buf = fread($s, 4098)) {
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while($buf = fread($s, 4098)) {
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if (!empty($bogus)) {
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fputs($s, "502 Command not implemented (".$num_bogus_cmds++.").\r\n");
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@ -181,6 +223,8 @@ while($buf = fread($s, 4098)) {
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} elseif (preg_match("~^STOR ([\w/.-]+)\r\n$~", $buf, $m)) {
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fputs($s, "150 File status okay; about to open data connection\r\n");
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if(empty($pasv))
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{
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if (!$fs = stream_socket_client("tcp://$host:$port")) {
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fputs($s, "425 Can't open data connection\r\n");
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continue;
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@ -189,6 +233,7 @@ while($buf = fread($s, 4098)) {
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$data = stream_get_contents($fs);
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$orig = file_get_contents(dirname(__FILE__).'/'.$m[1]);
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if (isset($ascii) && !$ascii && $orig === $data) {
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fputs($s, "226 Closing data Connection.\r\n");
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@ -201,6 +246,18 @@ while($buf = fread($s, 4098)) {
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fputs($s, "552 Requested file action aborted.\r\n");
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}
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fclose($fs);
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}else{
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$data = file_get_contents('nm2.php');
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$orig = file_get_contents(dirname(__FILE__).'/'.$m[1]);
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if ( $orig === $data) {
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fputs($s, "226 Closing data Connection.\r\n");
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} else {
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var_dump($data);
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var_dump($orig);
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fputs($s, "552 Requested file action aborted.\r\n");
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}
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}
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} elseif (preg_match("~^CWD ([A-Za-z./]+)\r\n$~", $buf, $m)) {
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change_dir($m[1]);
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@ -262,11 +319,22 @@ while($buf = fread($s, 4098)) {
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break;
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}
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}elseif (preg_match('/^RETR ([\w\h]+)/', $buf, $matches)) {
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if (!$fs = stream_socket_client("tcp://$host:$port")) {
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if(!empty($pasv)){
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;
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}
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else if (!$fs = stream_socket_client("tcp://$host:$port")) {
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fputs($s, "425 Can't open data connection\r\n");
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continue;
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}
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switch($matches[1]){
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case "pasv":
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fputs($s, "150 File status okay; about to open data connection.\r\n");
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//the data connection is handled in another forked process
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// called from outside this while loop
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fputs($s, "226 Closing data Connection.\r\n");
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break;
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case "a story":
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fputs($s, "150 File status okay; about to open data connection.\r\n");
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fputs($fs, "For sale: baby shoes, never worn.\r\n");
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@ -278,20 +346,64 @@ while($buf = fread($s, 4098)) {
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fputs($fs, $transfer_type."Foo\0Bar\r\n");
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fputs($s, "226 Closing data Connection.\r\n");
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break;
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case "fget":
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fputs($s, "150 File status okay; about to open data connection.\r\n");
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$transfer_type = $ascii? 'ASCII' : 'BINARY' ;
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fputs($fs, $transfer_type."FooBar\r\n");
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fputs($s, "226 Closing data Connection.\r\n");
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break;
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case "fgetresume":
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fputs($s, "150 File status okay; about to open data connection.\r\n");
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$transfer_type = $ascii? 'ASCII' : 'BINARY' ;
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fputs($fs, "Bar\r\n");
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fputs($s, "226 Closing data Connection.\r\n");
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break;
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default:
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fputs($s, "550 {$matches[1]}: No such file or directory \r\n");
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break;
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}
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if(isset($fs))
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fclose($fs);
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}elseif (preg_match('/^PASV/', $buf, $matches)) {
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$port = $pasv_port;
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$p2 = $port % ((int) 1 << 8);
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$p1 = ($port-$p2)/((int) 1 << 8);
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$host = "127.0.0.1";
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fputs($s, "227 Entering Passive Mode. (127,0,0,1,{$p1},{$p2})\r\n");
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} elseif (preg_match('/^SITE EXEC/', $buf, $matches)) {
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fputs($s, "200 OK\r\n");
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} elseif (preg_match('/^RMD/', $buf, $matches)) {
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fputs($s, "250 OK\r\n");
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} elseif (preg_match('/^SITE CHMOD/', $buf, $matches)) {
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fputs($s, "200 OK\r\n");
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} elseif (preg_match('/^ALLO (\d+)/', $buf, $matches)) {
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fputs($s, "200 " . $matches[1] . " bytes allocated\r\n");
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}elseif (preg_match('/^LIST www\//', $buf, $matches)) {
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fputs($s, "150 Opening ASCII mode data connection for file list\r\n");
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fputs($s, "226 Transfer complete\r\n");
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}elseif (preg_match('/^LIST no_exists\//', $buf, $matches)) {
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fputs($s, "425 Error establishing connection\r\n");
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}elseif (preg_match('/^REST \d+/', $buf, $matches)) {
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fputs($s, "350 OK\r\n");
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}
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else {
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fputs($s, "500 Syntax error, command unrecognized.\r\n");
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dump_and_exit($buf);
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}
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}
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fclose($s);
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exit;
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}
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fclose($s);
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exit;
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}
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fclose($socket);
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