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