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Pull in SSHInteract from 2.8 stream

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12794 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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jbjohnso 2012-05-18 14:01:39 +00:00
parent aa1a5f9b35
commit b45e5f91d1
1 changed files with 70 additions and 0 deletions
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70
xCAT-server/lib/perl/xCAT/SSHInteract.pm Normal file
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package xCAT::SSHInteract;
use Exporter;
use Net::Telnet;
use strict;
our @ISA = qw/Exporter Net::Telnet/;
our @EXPORT_OK = ();
use IO::Pty;
use POSIX;
sub _startssh {
my $self = shift;
my $pty = shift;
my $name = shift;
my $dest = shift;
my %args=@_;
my $tty;
my $tty_fd;
my $pid = fork();
if ($pid) {
return;
}
#in child
$tty = $pty->slave or die "$!";
$tty_fd = $tty->fileno or die "$!";
close($pty);
open STDIN, "<&", $tty_fd;
open STDOUT,">&",$tty_fd;
$pty->make_slave_controlling_terminal();
close($tty);
my @cmd = ("ssh","-o","StrictHostKeyChecking=no");
if ($args{"-nokeycheck"}) {
push @cmd,("-o","UserKnownHostsFile=/dev/null");
}
push @cmd,("-l",$name,$dest);
exec @cmd;
}
sub new {
my $class = shift;
my %args = @_;
my $pty = IO::Pty->new or die "Unable to perform ssh: $!";
$args{"-fhopen"} = $pty;
$args{"-telnetmode"} = 0;
$args{"-telnetmode"} = 0;
$args{"-cmd_remove_mode"} = 1;
my $username = $args{"-username"};
my $host = $args{"-host"};
my $password = $args{"-password"};
delete $args{"-host"};
delete $args{"-username"};
delete $args{"-password"};
my $nokeycheck = $args{"-nokeycheck"};
if ($nokeycheck) { delete $args{"-nokeycheck"}; }
my $self = Net::Telnet->new(%args);
_startssh($self,$pty,$username,$host,"-nokeycheck"=>$nokeycheck);
my ($prematch,$match) = $self->waitfor([Match => $args{prompt},'/password:/i',]) or die "Login Failed: ",$self->lastline;
if ($match =~ /password:/i) {
#$self->waitfor("-match" => '/password:/i', -errmode => "return") or die "Unable to reach host ",$self->lastline;
$self->print($password);
my $nextline = $self->getline();
if ($nextline eq "\n") {
$nextline = $self->get();
}
if ($nextline =~ /^password:/ or $nextline =~ /Permission denied, please try again/) {
die "Incorrect Password";
}
}
return bless($self,$class);
}
1;