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- apparently not all SFTPv3 clients support SSH_FXP_FSTAT (even though the SFTPv3 specs define it; thanks, f.dammassa!)

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git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@118 21d32557-59b3-4da0-833f-c5933fad653e
This commit is contained in:
Jim Wigginton 2010-09-02 00:49:26 +00:00
parent acefc441be
commit 4264336d02
1 changed files with 22 additions and 23 deletions
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45
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.gnu.org/licenses/lgpl.txt
* @version $Id: SFTP.php,v 1.23 2010-09-01 03:36:09 terrafrost Exp $
* @version $Id: SFTP.php,v 1.24 2010-09-02 00:49:26 terrafrost Exp $
* @link http://phpseclib.sourceforge.net
*/
@ -236,7 +236,6 @@ class Net_SFTP extends Net_SSH2 {
4 => 'NET_SFTP_CLOSE',
5 => 'NET_SFTP_READ',
6 => 'NET_SFTP_WRITE',
8 => 'NET_SFTP_FSTAT',
9 => 'NET_SFTP_SETSTAT',
11 => 'NET_SFTP_OPENDIR',
12 => 'NET_SFTP_READDIR',
@ -700,7 +699,7 @@ class Net_SFTP extends Net_SSH2 {
*
* Files larger than 4GB will show up as being exactly 4GB.
*
* @param optional String $dir
* @param String $filename
* @return Mixed
* @access public
*/
@ -715,6 +714,20 @@ class Net_SFTP extends Net_SSH2 {
return false;
}
return $this->_size($filename);
}
/**
* Returns the file size, in bytes, or false, on failure
*
* Determines the size without calling Net_SFTP::_realpath()
*
* @param String $filename
* @return Mixed
* @access private
*/
function _size($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)) {
@ -1058,6 +1071,11 @@ class Net_SFTP extends Net_SSH2 {
return false;
}
$size = $this->_size($remote_file);
if ($size === false) {
return false;
}
$packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0);
if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
return false;
@ -1077,25 +1095,6 @@ class Net_SFTP extends Net_SSH2 {
return false;
}
$packet = pack('Na*', strlen($handle), $handle);
if (!$this->_send_sftp_packet(NET_SFTP_FSTAT, $packet)) {
return false;
}
$response = $this->_get_sftp_packet();
switch ($this->packet_type) {
case NET_SFTP_ATTRS:
$attrs = $this->_parseAttributes($response);
break;
case NET_SFTP_STATUS:
extract(unpack('Nstatus/Nlength', $this->_string_shift($response, 8)));
$this->sftp_errors[] = $this->status_codes[$status] . ': ' . $this->_string_shift($response, $length);
return false;
default:
user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS', E_USER_NOTICE);
return false;
}
if ($local_file !== false) {
$fp = fopen($local_file, 'wb');
if (!$fp) {
@ -1106,7 +1105,7 @@ class Net_SFTP extends Net_SSH2 {
}
$read = 0;
while ($read < $attrs['size']) {
while ($read < $size) {
$packet = pack('Na*N3', strlen($handle), $handle, 0, $read, 1 << 20);
if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) {
return false;