ssh2_scp_send

(PECL ssh2 >= 0.9.0)

ssh2_scp_send — Send a file via SCP

说明

ssh2_scp_send ( resource $session , string $local_file , string $remote_file , int $create_mode = 0644 ) : bool

Copy a file from the local filesystem to the remote server using the SCP protocol.

参数

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.

返回值

成功时返回 true，或者在失败时返回 false。

范例

Example #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);
?>

参见

ssh2_scp_recv() - Request a file via SCP
copy() - 拷贝文件

User Contributed Notes

j dot patus at simpledino dot com 07-Feb-2017 09:40


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

emmanuel dot kartmann at prosdk dot com 02-Apr-2010 06:23


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');


?>

stefanov at uk dot ibm dot com 02-May-2008 02:07


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

stefanov at uk dot ibm dot com 25-Apr-2008 02:23


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