<?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 ($userdomain = split (';', urldecode ($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;
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',
'^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);
$output = popen (SMB4PHP_SMBCLIENT." -N {$auth} {$options} {$port} {$options} {$params} 2>/dev/null", 'r');
$info = array ();
while ($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 (
split(':', $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], $regs[7])
)
: array();
break;
case 'error': trigger_error($regs[1], E_USER_ERROR);
}
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);
return $info;
}
# stats
function url_stat ($url, $flags = STREAM_URL_STAT_LINK) {
if ($s = smb::getstatcache($url)) { return $s; }
list ($stat, $pu) = array (array (), smb::parse_url ($url));
switch ($pu['type']) {
case 'host':
if ($o = smb::look ($pu))
$stat = stat ("/tmp");
else
trigger_error ("url_stat(): list failed for host '{$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 (! $found)
trigger_error ("url_stat(): disk resource '{$share}' not found in '{$host}'", E_USER_WARNING);
}
break;
case 'path':
if ($o = smb::execute ('dir "'.$pu['path'].'"', $pu)) {
$p = split ("[\\]", $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 '{$pu['path']}' not found", E_USER_WARNING);
}
} else {
trigger_error ("url_stat(): dir failed for path '{$pu['path']}'", E_USER_WARNING);
}
break;
default: trigger_error ('error in URL', E_USER_ERROR);
}
return $stat;
}
function addstatcache ($url, $info) {
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) {
global $__smb_cache;
return isset ($__smb_cache['stat'][$url]) ? $__smb_cache['stat'][$url] : FALSE;
}
function clearstatcache ($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);
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'].'"', $pu);
}
function rmdir ($url) {
$pu = smb::parse_url($url);
if ($pu['type'] <> 'path') trigger_error('rmdir(): error in URL', E_USER_ERROR);
smb::clearstatcache ($url);
return smb::execute ('rmdir "'.$pu['path'].'"', $pu);
}
}
###################################################################
# SMB_STREAM_WRAPPER - class to be registered for smb:// URLs
###################################################################
class smb_stream_wrapper extends smb {
# variables
var $stream, $url, $parsed_url = array (), $mode, $tmpfile;
var $need_flush = FALSE;
var $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);
}
break;
case 'share':
case 'path':
if ($o = smb::execute ('dir "'.$pu['path'].'\*"', $pu)) {
$this->dir = array_keys($o['info']);
$this->dir_index = 0;
$this->adddircache ($url, $this->dir);
foreach ($o['info'] as $name => $info) {
smb::addstatcache($url . '/' . urlencode($name), $info);
}
} else {
trigger_error ("dir_opendir(): dir failed for path '{$path}'", E_USER_WARNING);
}
break;
default:
trigger_error ('dir_opendir(): error in URL', E_USER_ERROR);
}
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) {
global $__smb_cache;
return $__smb_cache['dir'][$url] = $content;
}
function getdircache ($url) {
global $__smb_cache;
return isset ($__smb_cache['dir'][$url]) ? $__smb_cache['dir'][$url] : FALSE;
}
function cleardircache ($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.');
}
$this->stream = fopen ($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');
?>
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