octoleo/phpseclib
1
0
Fork 0
mirror of https://github.com/phpseclib/phpseclib.git synced 2024-05-28 22:20:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

SFTP: add readlink and symlink functions

Browse Source
This commit is contained in:
terrafrost 2014-06-18 11:34:50 -05:00
parent 9716d9b7e5
commit a65b820b54
1 changed files with 82 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
phpseclib/Net/SFTP.php
View File

@ -312,6 +312,8 @@ class Net_SFTP extends Net_SSH2
SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.5 */
18 => 'NET_SFTP_RENAME',
19 => 'NET_SFTP_READLINK',
20 => 'NET_SFTP_SYMLINK',
101=> 'NET_SFTP_STATUS',
102=> 'NET_SFTP_HANDLE',
@ -1557,6 +1559,86 @@ class Net_SFTP extends Net_SSH2
return true;
}
/**
* Return the target of a symbolic link
*
* @param String $link
* @return Mixed
* @access public
*/
function readlink($link)
{
if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
return false;
}
$link = $this->_realpath($link);
if (!$this->_send_sftp_packet(NET_SFTP_READLINK, pack('Na*', strlen($link), $link))) {
return false;
}
$response = $this->_get_sftp_packet();
switch ($this->packet_type) {
case NET_SFTP_NAME:
break;
case NET_SFTP_STATUS:
$this->_logError($response);
return false;
default:
user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
return false;
}
extract(unpack('Ncount', $this->_string_shift($response, 4)));
// the file isn't a symlink
if (!$count) {
return false;
}
extract(unpack('Nlength', $this->_string_shift($response, 4)));
return $this->_string_shift($response, $length);
}
/**
* Create a symlink
*
* symlink() creates a symbolic link to the existing target with the specified name link.
*
* @param String $target
* @param String $link
* @return Boolean
* @access public
*/
function symlink($target, $link)
{
if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
return false;
}
$target = $this->_realpath($target);
$link = $this->_realpath($link);
$packet = pack('Na*Na*', strlen($target), $target, strlen($link), $link);
if (!$this->_send_sftp_packet(NET_SFTP_SYMLINK, $packet)) {
return false;
}
$response = $this->_get_sftp_packet();
if ($this->packet_type != NET_SFTP_STATUS) {
user_error('Expected SSH_FXP_STATUS');
return false;
}
extract(unpack('Nstatus', $this->_string_shift($response, 4)));
if ($status != NET_SFTP_STATUS_OK) {
$this->_logError($response, $status);
return false;
}
return true;
}
/**
* Creates a directory.
*