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- add Net_SFTP::stat() and Net_SFTP::lstat() (thanks, TangiX!) 

git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@132 21d32557-59b3-4da0-833f-c5933fad653e
This commit is contained in:
Jim Wigginton 2010-11-20 14:02:28 +00:00
parent a31d9ba38d
commit 3d68aa3353
1 changed files with 83 additions and 20 deletions
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103
phpseclib/Net/SFTP.php
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@ -48,7 +48,7 @@
* @author Jim Wigginton <terrafrost@php.net>
* @copyright MMIX Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version $Id: SFTP.php,v 1.25 2010/10/02 22:23:25 terrafrost Exp $
* @version $Id: SFTP.php,v 1.21 2010/04/09 02:31:34 terrafrost Exp $
* @link http://phpseclib.sourceforge.net
*/
@ -236,6 +236,7 @@ class Net_SFTP extends Net_SSH2 {
4 => 'NET_SFTP_CLOSE',
5 => 'NET_SFTP_READ',
6 => 'NET_SFTP_WRITE',
7 => 'NET_SFTP_LSTAT',
9 => 'NET_SFTP_SETSTAT',
11 => 'NET_SFTP_OPENDIR',
12 => 'NET_SFTP_READDIR',
@ -717,6 +718,85 @@ class Net_SFTP extends Net_SSH2 {
return $this->_size($filename);
}
/**
* Returns general information about a file.
*
* Returns an array on success and false otherwise.
*
* @param String $filename
* @return Mixed
* @access public
*/
function stat($filename)
{
if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
return false;
}
$filename = $this->_realpath($filename);
if ($filename === false) {
return false;
}
return $this->_stat($filename, NET_SFTP_STAT);
}
/**
* Returns general information about a file or symbolic link.
*
* Returns an array on success and false otherwise.
*
* @param String $filename
* @return Mixed
* @access public
*/
function lstat($filename)
{
if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
return false;
}
$filename = $this->_realpath($filename);
if ($filename === false) {
return false;
}
return $this->_stat($filename, NET_SFTP_LSTAT);
}
/**
* Returns general information about a file or symbolic link
*
* Determines information without calling Net_SFTP::_realpath().
* The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT.
*
* @param String $filename
* @param Integer 4type
* @return Mixed
* @access private
*/
function _stat($filename, $type)
{
// SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
$packet = pack('Na*', strlen($filename), $filename);
if (!$this->_send_sftp_packet($type, $packet)) {
return false;
}
$response = $this->_get_sftp_packet();
switch ($this->packet_type) {
case NET_SFTP_ATTRS:
return $this->_parseAttributes($response);
case NET_SFTP_STATUS:
extract(unpack('Nstatus/Nlength', $this->_string_shift($response, 8)));
$this->sftp_errors[] = $this->status_codes[$status] . ': ' . $this->_string_shift($response, $length);
return false;
}
user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS', E_USER_NOTICE);
return false;
}
/**
* Returns the file size, in bytes, or false, on failure
*
@ -728,25 +808,8 @@ class Net_SFTP extends Net_SSH2 {
*/
function _size($filename)
{
// SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
$packet = pack('Na*', strlen($filename), $filename);
if (!$this->_send_sftp_packet(NET_SFTP_STAT, $packet)) {
return false;
}
$response = $this->_get_sftp_packet();
switch ($this->packet_type) {
case NET_SFTP_ATTRS:
$attrs = $this->_parseAttributes($response);
return $attrs['size'];
case NET_SFTP_STATUS:
extract(unpack('Nstatus/Nlength', $this->_string_shift($response, 8)));
$this->sftp_errors[] = $this->status_codes[$status] . ': ' . $this->_string_shift($response, $length);
return false;
}
user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS', E_USER_NOTICE);
return false;
$result = $this->_stat($filename, NET_SFTP_LSTAT);
return $result === false ? false : $result['size'];
}
/**