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Merge branch 'sftp-extensions'

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This commit is contained in:
terrafrost 2024-08-25 20:15:09 -05:00
commit 12cd5f82b5
3 changed files with 241 additions and 57 deletions
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256
phpseclib/Net/SFTP.php
View File

@ -44,6 +44,7 @@ use phpseclib3\Net\SFTP\Attribute;
use phpseclib3\Net\SFTP\FileType; use phpseclib3\Net\SFTP\FileType;
use phpseclib3\Net\SFTP\OpenFlag; use phpseclib3\Net\SFTP\OpenFlag;
use phpseclib3\Net\SFTP\OpenFlag5; use phpseclib3\Net\SFTP\OpenFlag5;
use phpseclib3\Net\SFTP\PacketType;
use phpseclib3\Net\SFTP\PacketType as SFTPPacketType; use phpseclib3\Net\SFTP\PacketType as SFTPPacketType;
use phpseclib3\Net\SFTP\StatusCode; use phpseclib3\Net\SFTP\StatusCode;
use phpseclib3\Net\SSH2\MessageType as SSH2MessageType; use phpseclib3\Net\SSH2\MessageType as SSH2MessageType;
@ -51,7 +52,7 @@ use phpseclib3\Net\SSH2\MessageType as SSH2MessageType;
/** /**
* Pure-PHP implementations of SFTP. * Pure-PHP implementations of SFTP.
* *
* @author Jim Wigginton <terrafrost@php.net> * @author Jim Wigginton <terrafrost@php.net>
*/ */
class SFTP extends SSH2 class SFTP extends SSH2
{ {
@ -396,8 +397,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::VERSION) { if ($this->packet_type != SFTPPacketType::VERSION) {
throw new UnexpectedValueException('Expected PacketType::VERSION. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::VERSION. '
. 'Got packet type: ' . $this->packet_type
);
} }
$this->use_request_id = true; $this->use_request_id = true;
@ -463,14 +466,18 @@ class SFTP extends SSH2
$this->send_sftp_packet(SFTPPacketType::EXTENDED, $packet); $this->send_sftp_packet(SFTPPacketType::EXTENDED, $packet);
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
if ($status != StatusCode::OK) { if ($status != StatusCode::OK) {
$this->logError($response, $status); $this->logError($response, $status);
throw new UnexpectedValueException('Expected StatusCode::OK. ' throw new UnexpectedValueException(
. ' Got ' . $status); 'Expected StatusCode::OK. '
. ' Got ' . $status
);
} }
break; break;
} }
@ -611,8 +618,8 @@ class SFTP extends SSH2
* If canonicalize_paths has been disabled using disablePathCanonicalization(), $path is returned as-is. * If canonicalize_paths has been disabled using disablePathCanonicalization(), $path is returned as-is.
* *
* @throws UnexpectedValueException on receipt of unexpected packets * @throws UnexpectedValueException on receipt of unexpected packets
* @see self::chdir() * @see self::chdir()
* @see self::disablePathCanonicalization() * @see self::disablePathCanonicalization()
*/ */
public function realpath(string $path) public function realpath(string $path)
{ {
@ -665,8 +672,10 @@ class SFTP extends SSH2
$this->logError($response); $this->logError($response);
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::NAME or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::NAME or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
} }
@ -739,7 +748,8 @@ class SFTP extends SSH2
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS' . throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS' .
'Got packet type: ' . $this->packet_type); 'Got packet type: ' . $this->packet_type
);
} }
if (!$this->close_handle($handle)) { if (!$this->close_handle($handle)) {
@ -881,8 +891,10 @@ class SFTP extends SSH2
$this->logError($response, $status); $this->logError($response, $status);
return $status; return $status;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::HANDLE or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
$this->update_stat_cache($dir, []); $this->update_stat_cache($dir, []);
@ -936,8 +948,10 @@ class SFTP extends SSH2
} }
break 2; break 2;
default: default:
throw new UnexpectedValueException('Expected PacketType::NAME or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::NAME or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
} }
@ -1275,8 +1289,10 @@ class SFTP extends SSH2
return false; return false;
} }
throw new UnexpectedValueException('Expected PacketType::ATTRS or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::ATTRS or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
/** /**
@ -1334,8 +1350,10 @@ class SFTP extends SSH2
$this->logError($response); $this->logError($response);
break; break;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::HANDLE or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
return $this->setstat($filename, $attr, false); return $this->setstat($filename, $attr, false);
@ -1370,7 +1388,7 @@ class SFTP extends SSH2
phpseclib _could_ auto append the dns_domain to $uid BUT what if it shouldn't phpseclib _could_ auto append the dns_domain to $uid BUT what if it shouldn't
have one? phpseclib would have no way of knowing so rather than guess phpseclib have one? phpseclib would have no way of knowing so rather than guess phpseclib
will just use whatever value the user provided will just use whatever value the user provided
*/ */
$attr = $this->version < 4 ? $attr = $this->version < 4 ?
// quoting <http://www.kernel.org/doc/man-pages/online/pages/man2/chown.2.html>, // quoting <http://www.kernel.org/doc/man-pages/online/pages/man2/chown.2.html>,
@ -1447,8 +1465,10 @@ class SFTP extends SSH2
return false; return false;
} }
throw new UnexpectedValueException('Expected PacketType::ATTRS or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::ATTRS or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
/** /**
@ -1491,8 +1511,10 @@ class SFTP extends SSH2
*/ */
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -1597,8 +1619,10 @@ class SFTP extends SSH2
$this->logError($response); $this->logError($response);
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::NAME or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::NAME or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$count] = Strings::unpackSSH2('N', $response); [$count] = Strings::unpackSSH2('N', $response);
@ -1662,8 +1686,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -1713,8 +1739,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -1750,8 +1778,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -1808,7 +1838,7 @@ class SFTP extends SSH2
* *
* {@internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib3\Net\SFTP::setMode().} * {@internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib3\Net\SFTP::setMode().}
* *
* @param resource|array|string $data * @param resource|array|string $data
* @throws UnexpectedValueException on receipt of unexpected packets * @throws UnexpectedValueException on receipt of unexpected packets
* @throws BadFunctionCallException if you're uploading via a callback and the callback function is invalid * @throws BadFunctionCallException if you're uploading via a callback and the callback function is invalid
* @throws FileNotFoundException if you're uploading via a file and the file doesn't exist * @throws FileNotFoundException if you're uploading via a file and the file doesn't exist
@ -1867,8 +1897,10 @@ class SFTP extends SSH2
$this->logError($response); $this->logError($response);
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::HANDLE or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
// http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3 // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3
@ -2007,8 +2039,10 @@ class SFTP extends SSH2
while ($i--) { while ($i--) {
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -2034,8 +2068,10 @@ class SFTP extends SSH2
// -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3 // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
[$status] = Strings::unpackSSH2('N', $response); [$status] = Strings::unpackSSH2('N', $response);
@ -2056,7 +2092,7 @@ class SFTP extends SSH2
* *
* $offset and $length can be used to download files in chunks. * $offset and $length can be used to download files in chunks.
* *
* @param string|bool|resource|callable $local_file * @param string|bool|resource|callable $local_file
* @return string|bool * @return string|bool
* @throws UnexpectedValueException on receipt of unexpected packets * @throws UnexpectedValueException on receipt of unexpected packets
*/ */
@ -2086,8 +2122,10 @@ class SFTP extends SSH2
$this->logError($response); $this->logError($response);
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::HANDLE or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
if (is_resource($local_file)) { if (is_resource($local_file)) {
@ -2179,8 +2217,10 @@ class SFTP extends SSH2
$this->init_sftp_connection(); $this->init_sftp_connection();
return false; return false;
} else { } else {
throw new UnexpectedValueException('Expected PacketType::DATA or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::DATA or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
} }
$response = null; $response = null;
@ -2238,8 +2278,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::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 // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
@ -2404,8 +2446,10 @@ class SFTP extends SSH2
case SFTPPacketType::STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED case SFTPPacketType::STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
return false; return false;
default: default:
throw new UnexpectedValueException('Expected PacketType::HANDLE or PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::HANDLE or PacketType::STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
} }
@ -2428,8 +2472,10 @@ class SFTP extends SSH2
case SFTPPacketType::STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED case SFTPPacketType::STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
return false; return false;
default: default:
throw new UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected SSH_FXP_HANDLE or SSH_FXP_STATUS. '
. 'Got packet type: ' . $this->packet_type
);
} }
} }
@ -2627,8 +2673,10 @@ class SFTP extends SSH2
$response = $this->get_sftp_packet(); $response = $this->get_sftp_packet();
if ($this->packet_type != SFTPPacketType::STATUS) { if ($this->packet_type != SFTPPacketType::STATUS) {
throw new UnexpectedValueException('Expected PacketType::STATUS. ' throw new UnexpectedValueException(
. 'Got packet type: ' . $this->packet_type); 'Expected PacketType::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 // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
@ -2937,7 +2985,7 @@ class SFTP extends SSH2
* There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA
* messages containing one SFTP packet. * messages containing one SFTP packet.
* *
* @see self::_send_sftp_packet() * @see self::_send_sftp_packet()
* @return string * @return string
*/ */
private function get_sftp_packet($request_id = null) private function get_sftp_packet($request_id = null)
@ -3181,4 +3229,104 @@ class SFTP extends SSH2
{ {
$this->preserveTime = false; $this->preserveTime = false;
} }
/**
* Where rename() fails "if there already exists a file with the name specified by newpath"
* (draft-ietf-secsh-filexfer-02#section-6.5), posix_rename() overwrites the existing file in an atomic fashion.
* ie. "there is no observable instant in time where the name does not refer to either the old or the new file"
* (draft-ietf-secsh-filexfer-13#page-39).
*/
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(PacketType::EXTENDED, $packet);
$response = $this->get_sftp_packet();
if ($this->packet_type != PacketType::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 != StatusCode::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;
}
/**
* The function statvfs() returns information about a mounted filesystem.
* @see https://man7.org/linux/man-pages/man3/statvfs.3.html
*
* @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'] !== '2') {
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(PacketType::EXTENDED, $packet);
$response = $this->get_sftp_packet();
if ($this->packet_type !== PacketType::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
*/
return array_combine(
['bsize', 'frsize', 'blocks', 'bfree', 'bavail', 'files', 'ffree', 'favail', 'fsid', 'flag', 'namemax'],
Strings::unpackSSH2('QQQQQQQQQQQ', $response)
);
}
} }

1
phpseclib/Net/SFTP/PacketType.php
View File

@ -41,4 +41,5 @@ abstract class PacketType
public const ATTRS = 105; public const ATTRS = 105;
public const EXTENDED = 200; public const EXTENDED = 200;
public const EXTENDED_REPLY = 201;
} }

41
tests/Functional/Net/SFTPUserStoryTest.php
View File

@ -810,13 +810,48 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
* @depends testChownChgrp * @depends testChownChgrp
* @group github1934 * @group github1934
*/ */
public function testCallableGetWithLength($sftp) public function testCallableGetWithLength(SFTP $sftp): SFTP
{ {
$sftp->put('test.txt', 'zzzzz'); $sftp->put('test.txt', 'zzzzz');
$sftp->get('test.txt', function ($data): void { $sftp->get('test.txt', function ($data): void {
$this->assertSame('z', $data);
}, 0, 1); }, 0, 1);
$this->assertTrue(true);
return $sftp; return $sftp;
} }
/**
* @depends testPasswordLogin
*/
public function testStatVfs(SFTP $sftp): void
{
$sftp->put('test.txt', 'aaaaa');
$stat = $sftp->statvfs('test.txt');
$this->assertArrayHasKey('bsize', $stat);
$this->assertArrayHasKey('frsize', $stat);
$this->assertArrayHasKey('blocks', $stat);
$this->assertArrayHasKey('bfree', $stat);
$this->assertArrayHasKey('bavail', $stat);
$this->assertArrayHasKey('files', $stat);
$this->assertArrayHasKey('ffree', $stat);
$this->assertArrayHasKey('favail', $stat);
$this->assertArrayHasKey('fsid', $stat);
$this->assertArrayHasKey('flag', $stat);
$this->assertArrayHasKey('namemax', $stat);
$this->assertSame(255, $stat['namemax']);
}
/**
* @depends testPasswordLogin
*/
public function testPosixRename(SFTP $sftp): void
{
$sftp->put('test1.txt', 'aaaaa');
$sftp->put('test2.txt', 'bbbbb');
$sftp->posix_rename('test1.txt', 'test2.txt');
$this->assertSame('aaaaa', $sftp->get('test2.txt'));
}
} }