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feat: add posix_rename and statvfs extensions

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Sam Mousa 2024-08-13 09:41:43 +02:00
parent cdd87934cc
commit e071afdb2e
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1 changed files with 84 additions and 0 deletions
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phpseclib/Net/SFTP.php
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@ -3163,4 +3163,88 @@ class SFTP extends SSH2
{
$this->preserveTime = false;
}
public function posix_rename(string $oldname, string $newname): bool {
if (!$this->precheck()) {
return false;
}
if (!isset($this->extensions['posix-rename@openssh.com']) || $this->extensions['posix-rename@openssh.com'] !== '1') {
throw new \RuntimeException("Extension 'posix-rename@openssh.com' is not supported by the server");
}
$oldname = $this->realpath($oldname);
$newname = $this->realpath($newname);
if ($oldname === false || $newname === false) {
return false;
}
$packet = Strings::packSSH2('sss', 'posix-rename@openssh.com', $oldname, $newname);
$this->send_sftp_packet(NET_SFTP_EXTENDED, $packet);
$response = $this->get_sftp_packet();
if ($this->packet_type != NET_SFTP_STATUS) {
throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
. 'Got packet type: ' . $this->packet_type);
}
// if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
list($status) = Strings::unpackSSH2('N', $response);
if ($status != NET_SFTP_STATUS_OK) {
$this->logError($response, $status);
return false;
}
// don't move the stat cache entry over since this operation could very well change the
// atime and mtime attributes
//$this->update_stat_cache($newname, $this->query_stat_cache($oldname));
$this->remove_from_stat_cache($oldname);
$this->remove_from_stat_cache($newname);
return true;
}
/**
* @return array{bsize: int, frsize: int, blocks: int, bfree: int, bavail: int, files: int, ffree: int, favail: int, fsid: int, flag: int, namemax: int}
*/
public function statvfs(string $path): array|bool {
if (!isset($this->extensions['statvfs@openssh.com']) || $this->extensions['statvfs@openssh.com'] !== '1') {
throw new \RuntimeException("Extension 'statvfs@openssh.com' is not supported by the server");
}
$realpath = $this->realpath($path);
if ($realpath === false) {
return false;
}
$packet = Strings::packSSH2('ss', 'statvfs@openssh.com', $realpath);
$this->send_sftp_packet(NET_SFTP_EXTENDED, $packet);
$response = $this->get_sftp_packet();
if ($this->packet_type = SSH_FXP_EXTENDED_REPLY) {
throw new \UnexpectedValueException('Expected SSH_FXP_EXTENDED_REPLY. '
. 'Got packet type: ' . $this->packet_type);
}
/**
* These requests return a SSH_FXP_STATUS reply on failure. On success they
* return the following SSH_FXP_EXTENDED_REPLY reply:
*
* uint32 id
* uint64 f_bsize file system block size
* uint64 f_frsize fundamental fs block size
* uint64 f_blocks number of blocks (unit f_frsize)
* uint64 f_bfree free blocks in file system
* uint64 f_bavail free blocks for non-root
* uint64 f_files total file inodes
* uint64 f_ffree free file inodes
* uint64 f_favail free file inodes for to non-root
* uint64 f_fsid file system id
* uint64 f_flag bit mask of f_flag values
* uint64 f_namemax maximum filename length
*/
list($bsize, $frsize, $blocks, $bfree, $bavail, $files, $ffree, $favail, $fsid, $flag, $namemax) =
Strings::unpackSSH2('NQQQQQQQQQQQ', $response);
return compact($id, $bsize, $frsize, $blocks, $bfree, $bavail, $files, $ffree, $favail, $fsid, $flag, $namemax);
}
}