ssh2_scp_send
(PECL ssh2 >= 0.9.0)
ssh2_scp_send — Send a file via SCP
Описание
bool ssh2_scp_send
( resource
$session
, string $local_file
, string $remote_file
[, int $create_mode = 0644
] )Copy a file from the local filesystem to the remote server using the SCP protocol.
Список параметров
-
session -
An SSH connection link identifier, obtained from a call to ssh2_connect().
-
local_file -
Path to the local file.
-
remote_file -
Path to the remote file.
-
create_mode -
The file will be created with the mode specified by
create_mode.
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Примеры
Пример #1 Uploading a file via SCP
<?php
$connection = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');
ssh2_scp_send($connection, '/local/filename', '/remote/filename', 0644);
?>
- ssh2_auth_agent
- ssh2_auth_hostbased_file
- ssh2_auth_none
- ssh2_auth_password
- ssh2_auth_pubkey_file
- ssh2_connect
- ssh2_exec
- ssh2_fetch_stream
- ssh2_fingerprint
- ssh2_methods_negotiated
- ssh2_publickey_add
- ssh2_publickey_init
- ssh2_publickey_list
- ssh2_publickey_remove
- ssh2_scp_recv
- ssh2_scp_send
- ssh2_sftp_chmod
- ssh2_sftp_lstat
- ssh2_sftp_mkdir
- ssh2_sftp_readlink
- ssh2_sftp_realpath
- ssh2_sftp_rename
- ssh2_sftp_rmdir
- ssh2_sftp_stat
- ssh2_sftp_symlink
- ssh2_sftp_unlink
- ssh2_sftp
- ssh2_shell
- ssh2_tunnel
Коментарии
After some testing I figured out that ssh2_scp_send does not work exactly as the standard scp command:
- Works: ssh2_scp_send($conn, '/var/tmp/file_01.txt', /var/tmp/file_02.txt');
- Wrong: ssh2_scp_send($conn, '/var/tmp/file_01.txt', /var/tmp'); (Creates file with name 'tmp')
- Fails: ssh2_scp_send($conn, '/var/tmp/file_01.txt', /var/tmp/');
- Fails: ssh2_scp_send($conn, '/dirname', /var/tmp/'); (No recursion)
- Fails: ssh2_scp_send($conn, '/dirname/*', /var/tmp/'); (Cannot copy more than one file.)
Cheers,
Pimmy
In addition to my previous post, I figured out that sftp->fopen->file_get_contents->fwrite has much better performance than ssh2_scp_send.
I've used the following code to test:
<?php
$srcFile = '/var/tmp/dir1/file_to_send.txt';
$dstFile = '/var/tmp/dir2/file_received.txt';
// Create connection the the remote host
$conn = ssh2_connect('my.server.com', 22);
// Create SFTP session
$sftp = ssh2_sftp($conn);
$sftpStream = @fopen('ssh2.sftp://'.$sftp.$dstFile, 'w');
try {
if (!$sftpStream) {
throw new Exception("Could not open remote file: $dstFile");
}
$data_to_send = @file_get_contents($srcFile);
if ($data_to_send === false) {
throw new Exception("Could not open local file: $srcFile.");
}
if (@fwrite($sftpStream, $data_to_send) === false) {
throw new Exception("Could not send data from file: $srcFile.");
}
fclose($sftpStream);
} catch (Exception $e) {
error_log('Exception: ' . $e->getMessage());
fclose($sftpStream);
}
?>
For the test I've sent three files with total size of 6kB, and the times to send including connect to the server were:
SFTP -> 15 sec.
ssh2_scp_send -> 22 sec.
Cheers,
Pimmy
On Windows, I had trouble using ssh2_scp_send: files copied to a remote server where incomplete (truncated) and/or locked (error message : "access denied"). The back-end is also on Windows, using CopSSH (cygwin-based SSH server).
The SSH session was kept open - and the file were never flushed to disk.
There's a workaround though - make an explicit call to "exit" to close the session (flushing file content to disk):
<?php
$objConnection = ssh2_connect($strHost, $strPort, $methods, $callbacks);
ssh2_auth_password($objConnection, $strUser, $strPassword);
ssh2_scp_send($objConnection , $strSource, $strDest);
// Add this to flush buffers/close session
ssh2_exec($objConnection, 'exit');
?>
In case the command:
$sftpStream = @fopen('ssh2.sftp://'.$sftp.$dstFile, 'w');
causes you a segmentation fault, try using:
$sftpStream = @fopen('ssh2.sftp://'.intval($sftp).$dstFile, 'w');
Credit: http://stackoverflow.com/questions/7414175/php-sftp-seg-fault