Perl

Disconnect from an SFTP Server

Demonstrates the Chilkat SFtp.Disconnect method, which closes the current SSH/SFTP connection. It takes no arguments. All remote file and directory handles from the session become invalid and must not be reused.

Background: Disconnecting releases the SSH transport and every SFTP handle opened on it. The object itself stays reusable, but a later session must repeat the full setup — Connect, authenticate, then InitializeSftp — because the SFTP subsystem does not survive a disconnect.

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Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# Demonstrates the SFtp.Disconnect method, which closes the current SSH/SFTP connection.  It
# takes no arguments.  All remote file and directory handles from the session become invalid.

my $sftp = Chilkat2::SFtp->new;

# Step 1: Connect the SSH transport.  Port 22 is the usual port.
my $port = 22;
my $success = $sftp->Connect('sftp.example.com', $port);
if (!$success) {
    print $sftp->LastErrorText, "\n";
    exit;
}

# Normally you would not hard-code the password in source.  You should instead obtain it
# from an interactive prompt, environment variable, or a secrets vault.
my $password = 'mySshPassword';

$success = $sftp->AuthenticatePw('mySshLogin', $password);
if (!$success) {
    print $sftp->LastErrorText, "\n";
    exit;
}

# Step 3: Open the SFTP subsystem.  This must be done after authentication and before any
# file or directory operations.
$success = $sftp->InitializeSftp();
if (!$success) {
    print $sftp->LastErrorText, "\n";
    exit;
}

# ... perform SFTP operations ...

# Close the connection.  The object remains reusable: a later session must Connect,
# authenticate, and InitializeSftp again.
$sftp->Disconnect();