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+<?php
+###################################################################
+# smb.php
+# This class implements a SMB stream wrapper based on 'smbclient'
+#
+# Date: lun oct 22 10:35:35 CEST 2007
+#
+# Homepage: http://www.phpclasses.org/smb4php
+#
+# Copyright (c) 2007 Victor M. Varela <vmvarela@gmail.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+###################################################################
+
+define ('SMB4PHP_VERSION', '0.8');
+
+###################################################################
+# CONFIGURATION SECTION - Change for your needs
+###################################################################
+
+define ('SMB4PHP_SMBCLIENT', 'smbclient');
+define ('SMB4PHP_SMBOPTIONS', 'TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE SO_RCVBUF=8192 SO_SNDBUF=8192');
+define ('SMB4PHP_AUTHMODE', 'arg'); # set to 'env' to use USER enviroment variable
+
+###################################################################
+# SMB - commands that does not need an instance
+###################################################################
+
+$GLOBALS['__smb_cache'] = array ('stat' => array (), 'dir' => array ());
+
+class smb {
+
+ function parse_url ($url) {
+ $pu = parse_url (trim($url));
+ foreach (array ('domain', 'user', 'pass', 'host', 'port', 'path') as $i) {
+ if (! isset($pu[$i])) {
+ $pu[$i] = '';
+ }
+ }
+ if (count ($userdomain = explode (';', urldecode ($pu['user']))) > 1) {
+ @list ($pu['domain'], $pu['user']) = $userdomain;
+ }
+ $path = preg_replace (array ('/^\//', '/\/$/'), '', urldecode ($pu['path']));
+ list ($pu['share'], $pu['path']) = (preg_match ('/^([^\/]+)\/(.*)/', $path, $regs))
+ ? array ($regs[1], preg_replace ('/\//', '\\', $regs[2]))
+ : array ($path, '');
+ $pu['type'] = $pu['path'] ? 'path' : ($pu['share'] ? 'share' : ($pu['host'] ? 'host' : '**error**'));
+ if (! ($pu['port'] = intval(@$pu['port']))) {
+ $pu['port'] = 139;
+ }
+
+ // decode user and password
+ $pu['user'] = urldecode($pu['user']);
+ $pu['pass'] = urldecode($pu['pass']);
+ return $pu;
+ }
+
+
+ function look ($purl) {
+ return smb::client ('-L ' . escapeshellarg ($purl['host']), $purl);
+ }
+
+
+ function execute ($command, $purl) {
+ return smb::client ('-d 0 '
+ . escapeshellarg ('//' . $purl['host'] . '/' . $purl['share'])
+ . ' -c ' . escapeshellarg ($command), $purl
+ );
+ }
+
+ function client ($params, $purl) {
+
+ static $regexp = array (
+ '^added interface ip=(.*) bcast=(.*) nmask=(.*)$' => 'skip',
+ 'Anonymous login successful' => 'skip',
+ '^Domain=\[(.*)\] OS=\[(.*)\] Server=\[(.*)\]$' => 'skip',
+ '^\tSharename[ ]+Type[ ]+Comment$' => 'shares',
+ '^\t---------[ ]+----[ ]+-------$' => 'skip',
+ '^\tServer [ ]+Comment$' => 'servers',
+ '^\t---------[ ]+-------$' => 'skip',
+ '^\tWorkgroup[ ]+Master$' => 'workg',
+ '^\t(.*)[ ]+(Disk|IPC)[ ]+IPC.*$' => 'skip',
+ '^\tIPC\\\$(.*)[ ]+IPC' => 'skip',
+ '^\t(.*)[ ]+(Disk)[ ]+(.*)$' => 'share',
+ '^\t(.*)[ ]+(Printer)[ ]+(.*)$' => 'skip',
+ '([0-9]+) blocks of size ([0-9]+)\. ([0-9]+) blocks available' => 'skip',
+ 'Got a positive name query response from ' => 'skip',
+ '^(session setup failed): (.*)$' => 'error',
+ '^(.*): ERRSRV - ERRbadpw' => 'error',
+ '^Error returning browse list: (.*)$' => 'error',
+ '^tree connect failed: (.*)$' => 'error',
+ '^(Connection to .* failed)(.*)$' => 'error-connect',
+ '^NT_STATUS_(.*) ' => 'error',
+ '^NT_STATUS_(.*)\$' => 'error',
+ 'ERRDOS - ERRbadpath \((.*).\)' => 'error',
+ 'cd (.*): (.*)$' => 'error',
+ '^cd (.*): NT_STATUS_(.*)' => 'error',
+ '^\t(.*)$' => 'srvorwg',
+ '^([0-9]+)[ ]+([0-9]+)[ ]+(.*)$' => 'skip',
+ '^Job ([0-9]+) cancelled' => 'skip',
+ '^[ ]+(.*)[ ]+([0-9]+)[ ]+(Mon|Tue|Wed|Thu|Fri|Sat|Sun)[ ](Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[ ]+([0-9]+)[ ]+([0-9]{2}:[0-9]{2}:[0-9]{2})[ ]([0-9]{4})$' => 'files',
+ '^message start: ERRSRV - (ERRmsgoff)' => 'error'
+ );
+
+ if (SMB4PHP_AUTHMODE == 'env') {
+ putenv("USER={$purl['user']}%{$purl['pass']}");
+ $auth = '';
+ } else {
+ $auth = ($purl['user'] <> '' ? (' -U ' . escapeshellarg ($purl['user'] . '%' . $purl['pass'])) : '');
+ }
+ if ($purl['domain'] <> '') {
+ $auth .= ' -W ' . escapeshellarg ($purl['domain']);
+ }
+ $port = ($purl['port'] <> 139 ? ' -p ' . escapeshellarg ($purl['port']) : '');
+ $options = '-O ' . escapeshellarg(SMB4PHP_SMBOPTIONS);
+
+ // this put env is necessary to read the output of smbclient correctly
+ $old_locale = getenv('LC_ALL');
+ putenv('LC_ALL=en_US.UTF-8');
+ $output = popen (SMB4PHP_SMBCLIENT." -N {$auth} {$options} {$port} {$options} {$params} 2>/dev/null", 'r');
+ $info = array ();
+ $info['info']= array ();
+ $mode = '';
+ while ($line = fgets ($output, 4096)) {
+ list ($tag, $regs, $i) = array ('skip', array (), array ());
+ reset ($regexp);
+ foreach ($regexp as $r => $t) if (preg_match ('/'.$r.'/', $line, $regs)) {
+ $tag = $t;
+ break;
+ }
+ switch ($tag) {
+ case 'skip': continue;
+ case 'shares': $mode = 'shares'; break;
+ case 'servers': $mode = 'servers'; break;
+ case 'workg': $mode = 'workgroups'; break;
+ case 'share':
+ list($name, $type) = array (
+ trim(substr($line, 1, 15)),
+ trim(strtolower(substr($line, 17, 10)))
+ );
+ $i = ($type <> 'disk' && preg_match('/^(.*) Disk/', $line, $regs))
+ ? array(trim($regs[1]), 'disk')
+ : array($name, 'disk');
+ break;
+ case 'srvorwg':
+ list ($name, $master) = array (
+ strtolower(trim(substr($line,1,21))),
+ strtolower(trim(substr($line, 22)))
+ );
+ $i = ($mode == 'servers') ? array ($name, "server") : array ($name, "workgroup", $master);
+ break;
+ case 'files':
+ list ($attr, $name) = preg_match ("/^(.*)[ ]+([D|A|H|S|R]+)$/", trim ($regs[1]), $regs2)
+ ? array (trim ($regs2[2]), trim ($regs2[1]))
+ : array ('', trim ($regs[1]));
+ list ($his, $im) = array (
+ explode(':', $regs[6]), 1 + strpos("JanFebMarAprMayJunJulAugSepOctNovDec", $regs[4]) / 3);
+ $i = ($name <> '.' && $name <> '..')
+ ? array (
+ $name,
+ (strpos($attr,'D') === FALSE) ? 'file' : 'folder',
+ 'attr' => $attr,
+ 'size' => intval($regs[2]),
+ 'time' => mktime ($his[0], $his[1], $his[2], $im, $regs[5], $regs[7])
+ )
+ : array();
+ break;
+ case 'error':
+ if(substr($regs[0],0,22)=='NT_STATUS_NO_SUCH_FILE'){
+ return false;
+ }elseif(substr($regs[0],0,31)=='NT_STATUS_OBJECT_NAME_COLLISION'){
+ return false;
+ }elseif(substr($regs[0],0,31)=='NT_STATUS_OBJECT_PATH_NOT_FOUND'){
+ return false;
+ }elseif(substr($regs[0],0,29)=='NT_STATUS_FILE_IS_A_DIRECTORY'){
+ return false;
+ }
+ trigger_error($regs[0].' params('.$params.')', E_USER_ERROR);
+ case 'error-connect':
+ return false;
+ }
+ if ($i) switch ($i[1]) {
+ case 'file':
+ case 'folder': $info['info'][$i[0]] = $i;
+ case 'disk':
+ case 'server':
+ case 'workgroup': $info[$i[1]][] = $i[0];
+ }
+ }
+ pclose($output);
+
+
+ // restore previous locale
+ if ($old_locale===false) {
+ putenv('LC_ALL');
+ } else {
+ putenv('LC_ALL='.$old_locale);
+ }
+
+ return $info;
+ }
+
+
+ # stats
+
+ function url_stat ($url, $flags = STREAM_URL_STAT_LINK) {
+ if ($s = smb::getstatcache($url)) {
+ return $s;
+ }
+ list ($stat, $pu) = array (false, smb::parse_url ($url));
+ switch ($pu['type']) {
+ case 'host':
+ if ($o = smb::look ($pu))
+ $stat = stat ("/tmp");
+ else
+ trigger_error ("url_stat(): list failed for host '{$pu['host']}'", E_USER_WARNING);
+ break;
+ case 'share':
+ if ($o = smb::look ($pu)) {
+ $found = FALSE;
+ $lshare = strtolower ($pu['share']); # fix by Eric Leung
+ foreach ($o['disk'] as $s) if ($lshare == strtolower($s)) {
+ $found = TRUE;
+ $stat = stat ("/tmp");
+ break;
+ }
+ if (! $found)
+ trigger_error ("url_stat(): disk resource '{$lshare}' not found in '{$pu['host']}'", E_USER_WARNING);
+ }
+ break;
+ case 'path':
+ if ($o = smb::execute ('dir "'.$pu['path'].'"', $pu)) {
+ $p = explode('\\', $pu['path']);
+ $name = $p[count($p)-1];
+ if (isset ($o['info'][$name])) {
+ $stat = smb::addstatcache ($url, $o['info'][$name]);
+ } else {
+ trigger_error ("url_stat(): path '{$pu['path']}' not found", E_USER_WARNING);
+ }
+ } else {
+ return false;
+// trigger_error ("url_stat(): dir failed for path '{$pu['path']}'", E_USER_WARNING);
+ }
+ break;
+ default: trigger_error ('error in URL', E_USER_ERROR);
+ }
+ return $stat;
+ }
+
+ function addstatcache ($url, $info) {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ $is_file = (strpos ($info['attr'],'D') === FALSE);
+ $s = ($is_file) ? stat ('/etc/passwd') : stat ('/tmp');
+ $s[7] = $s['size'] = $info['size'];
+ $s[8] = $s[9] = $s[10] = $s['atime'] = $s['mtime'] = $s['ctime'] = $info['time'];
+ return $__smb_cache['stat'][$url] = $s;
+ }
+
+ function getstatcache ($url) {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ return isset ($__smb_cache['stat'][$url]) ? $__smb_cache['stat'][$url] : FALSE;
+ }
+
+ function clearstatcache ($url='') {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ if ($url == '') $__smb_cache['stat'] = array (); else unset ($__smb_cache['stat'][$url]);
+ }
+
+
+ # commands
+
+ function unlink ($url) {
+ $pu = smb::parse_url($url);
+ if ($pu['type'] <> 'path') trigger_error('unlink(): error in URL', E_USER_ERROR);
+ smb::clearstatcache ($url);
+ smb_stream_wrapper::cleardircache (dirname($url));
+ return smb::execute ('del "'.$pu['path'].'"', $pu);
+ }
+
+ function rename ($url_from, $url_to) {
+ list ($from, $to) = array (smb::parse_url($url_from), smb::parse_url($url_to));
+ if ($from['host'] <> $to['host'] ||
+ $from['share'] <> $to['share'] ||
+ $from['user'] <> $to['user'] ||
+ $from['pass'] <> $to['pass'] ||
+ $from['domain'] <> $to['domain']) {
+ trigger_error('rename(): FROM & TO must be in same server-share-user-pass-domain', E_USER_ERROR);
+ }
+ if ($from['type'] <> 'path' || $to['type'] <> 'path') {
+ trigger_error('rename(): error in URL', E_USER_ERROR);
+ }
+ smb::clearstatcache ($url_from);
+ return smb::execute ('rename "'.$from['path'].'" "'.$to['path'].'"', $to);
+ }
+
+ function mkdir ($url, $mode, $options) {
+ $pu = smb::parse_url($url);
+ if ($pu['type'] <> 'path') trigger_error('mkdir(): error in URL', E_USER_ERROR);
+ return smb::execute ('mkdir "'.$pu['path'].'"', $pu)!==false;
+ }
+
+ function rmdir ($url) {
+ $pu = smb::parse_url($url);
+ if ($pu['type'] <> 'path') trigger_error('rmdir(): error in URL', E_USER_ERROR);
+ smb::clearstatcache ($url);
+ smb_stream_wrapper::cleardircache (dirname($url));
+ return smb::execute ('rmdir "'.$pu['path'].'"', $pu)!==false;
+ }
+
+}
+
+###################################################################
+# SMB_STREAM_WRAPPER - class to be registered for smb:// URLs
+###################################################################
+
+class smb_stream_wrapper extends smb {
+
+ # variables
+
+ private $stream, $url, $parsed_url = array (), $mode, $tmpfile;
+ private $need_flush = FALSE;
+ private $dir = array (), $dir_index = -1;
+
+
+ # directories
+
+ function dir_opendir ($url, $options) {
+ if ($d = $this->getdircache ($url)) {
+ $this->dir = $d;
+ $this->dir_index = 0;
+ return TRUE;
+ }
+ $pu = smb::parse_url ($url);
+ switch ($pu['type']) {
+ case 'host':
+ if ($o = smb::look ($pu)) {
+ $this->dir = $o['disk'];
+ $this->dir_index = 0;
+ } else {
+ trigger_error ("dir_opendir(): list failed for host '{$pu['host']}'", E_USER_WARNING);
+ return false;
+ }
+ break;
+ case 'share':
+ case 'path':
+ if (is_array($o = smb::execute ('dir "'.$pu['path'].'\*"', $pu))) {
+ $this->dir = array_keys($o['info']);
+ $this->dir_index = 0;
+ $this->adddircache ($url, $this->dir);
+ if(substr($url,-1,1)=='/'){
+ $url=substr($url,0,-1);
+ }
+ foreach ($o['info'] as $name => $info) {
+ smb::addstatcache($url . '/' . $name, $info);
+ }
+ } else {
+ trigger_error ("dir_opendir(): dir failed for path '".$pu['path']."'", E_USER_WARNING);
+ return false;
+ }
+ break;
+ default:
+ trigger_error ('dir_opendir(): error in URL', E_USER_ERROR);
+ return false;
+ }
+ return TRUE;
+ }
+
+ function dir_readdir () {
+ return ($this->dir_index < count($this->dir)) ? $this->dir[$this->dir_index++] : FALSE;
+ }
+
+ function dir_rewinddir () { $this->dir_index = 0; }
+
+ function dir_closedir () { $this->dir = array(); $this->dir_index = -1; return TRUE; }
+
+
+ # cache
+
+ function adddircache ($url, $content) {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ return $__smb_cache['dir'][$url] = $content;
+ }
+
+ function getdircache ($url) {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ return isset ($__smb_cache['dir'][$url]) ? $__smb_cache['dir'][$url] : FALSE;
+ }
+
+ function cleardircache ($url='') {
+ $url = str_replace('//', '/', $url);
+ $url = rtrim($url, '/');
+ global $__smb_cache;
+ if ($url == ''){
+ $__smb_cache['dir'] = array ();
+ }else{
+ unset ($__smb_cache['dir'][$url]);
+ }
+ }
+
+
+ # streams
+
+ function stream_open ($url, $mode, $options, $opened_path) {
+ $this->url = $url;
+ $this->mode = $mode;
+ $this->parsed_url = $pu = smb::parse_url($url);
+ if ($pu['type'] <> 'path') trigger_error('stream_open(): error in URL', E_USER_ERROR);
+ switch ($mode) {
+ case 'r':
+ case 'r+':
+ case 'rb':
+ case 'a':
+ case 'a+': $this->tmpfile = tempnam('/tmp', 'smb.down.');
+ smb::execute ('get "'.$pu['path'].'" "'.$this->tmpfile.'"', $pu);
+ break;
+ case 'w':
+ case 'w+':
+ case 'wb':
+ case 'x':
+ case 'x+': $this->cleardircache();
+ $this->tmpfile = tempnam('/tmp', 'smb.up.');
+ $this->need_flush=true;
+ }
+ $this->stream = fopen ($this->tmpfile, $mode);
+ return TRUE;
+ }
+
+ function stream_close () { return fclose($this->stream); }
+
+ function stream_read ($count) { return fread($this->stream, $count); }
+
+ function stream_write ($data) { $this->need_flush = TRUE; return fwrite($this->stream, $data); }
+
+ function stream_eof () { return feof($this->stream); }
+
+ function stream_tell () { return ftell($this->stream); }
+
+ function stream_seek ($offset, $whence=null) { return fseek($this->stream, $offset, $whence); }
+
+ function stream_flush () {
+ if ($this->mode <> 'r' && $this->need_flush) {
+ smb::clearstatcache ($this->url);
+ smb::execute ('put "'.$this->tmpfile.'" "'.$this->parsed_url['path'].'"', $this->parsed_url);
+ $this->need_flush = FALSE;
+ }
+ }
+
+ function stream_stat () { return smb::url_stat ($this->url); }
+
+ function __destruct () {
+ if ($this->tmpfile <> '') {
+ if ($this->need_flush) $this->stream_flush ();
+ unlink ($this->tmpfile);
+
+ }
+ }
+
+}
+
+###################################################################
+# Register 'smb' protocol !
+###################################################################
+
+stream_wrapper_register('smb', 'smb_stream_wrapper')
+ or die ('Failed to register protocol');