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ssh.pl	1.89 KB	-rw-r--r--

Code Editor : ssh.pl

#!/usr/bin/perl
#
#      A Simple Terminal Resizing Example
#      (C) 2006 Jeff Carr
#      This script can be used under the same terms as Perl.
#
# This script is a simple example of how handle terminal
# window resize events (transmitted via the WINCH signal)
# -- Jeff Carr <jcarr@linuxmachines.com>
#
# NOTE: I (the Expect maintainer) strongly object against using Expect
# to automate ssh login. There are better methods, see ssh-keygen.
# If you use this example as a stub to control a remote application,
# please remove the password-part and use public-key authentication
# instead.
# -- Roland Giersig <RGiersig@cpan.org>
#

if( ! defined $ARGV[0] ) {
	print "Usage: ssh.pl <host> [ <username> [ <password> ] ]\n";
	exit;
}

my ($host, $username, $password) = @ARGV;
$username = $ENV{USER} if $username eq "";

use Expect;
use IO::Pty;

my $spawn = new Expect;
$spawn->raw_pty(1);

# This gets the size of your terminal window
$spawn->slave->clone_winsize_from(\*STDIN);

my $PROMPT;

# This function traps WINCH signals and passes them on
sub winch {
	my $signame = shift;
	my $pid = $spawn->pid;
	$shucks++;
	print "count $shucks,pid $pid, SIG$signame\n";
	$spawn->slave->clone_winsize_from(\*STDIN);
	kill WINCH => $spawn->pid if $spawn->pid;
}
$SIG{WINCH} = \&winch;  # best strategy

$spawn=Expect->spawn("ssh $username\@$host");
# log everything if you want
# $spawn->log_file("/tmp/autossh.log.$$");

my $PROMPT  = '[\]\$\>\#]\s$';
my $ret = $spawn->expect(10,
	[ qr/$yes\/no$\?\s*$/ => sub { $spawn->send("yes\n"); exp_continue; } ],
	[ qr/assword:\s*$/ 	=> sub { $spawn->send("$password\n") if defined $password;  } ],
	[ qr/ogin:\s*$/		=> sub { $spawn->send("$username\n"); exp_continue; } ],
	[ qr/REMOTE HOST IDEN/ 	=> sub { print "FIX: .ssh/known_hosts\n"; exp_continue; } ],
	[ qr/$PROMPT/ 		=> sub { $spawn->send("echo Now try window resizing\n"); } ],
);

# Hand over control
$spawn->interact();
exit;

${this.title}

Code Editor : ssh.pl