initial importNet_SSH_0_01

1 files changed, 114 insertions, 0 deletions

diff --git a/SSH.pm b/SSH.pm
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+package Net::SSH;
+
+use strict;
+use vars qw($VERSION @ISA @EXPORT_OK $ssh);
+use Exporter;
+use IPC::Open2;
+use IPC::Open3;
+
+@ISA = qw(Exporter);
+@EXPORT_OK = qw( ssh issh sshopen2 sshopen3 );
+$VERSION = '0.01';
+
+$ssh = "ssh";
+
+=head1 NAME
+
+Net::SSH - Perl extension for secure shell
+
+=head1 SYNOPSIS
+
+  use Net::SSH qw(ssh issh sshopen2 sshopen3);
+
+  ssh('user@hostname', $command);
+
+  issh('user@hostname', $command);
+
+  sshopen2('user@hostname', $reader, $writer, $command);
+
+  sshopen3('user@hostname', $reader, $writer, $error, $command);
+
+=head1 DESCRIPTION
+
+Simple wrappers around ssh commands.
+
+=head1 SUBROUTINES
+
+=over 4
+
+=item ssh [USER@]HOST, COMMAND [, ARGS ... ]
+
+Calls ssh in batch mode.
+
+=cut
+
+sub ssh {
+  my($host, @command) = @_;
+  my @cmd = ($ssh, '-o', 'BatchMode yes', $host, @command);
+  system(@cmd);
+}
+
+=item issh [USER@]HOST, COMMAND [, ARGS ... ]
+
+Prints the ssh command to be executed, waits for the user to confirm, and
+(optionally) executes the command.
+
+=cut
+
+sub issh {
+  my($host, @command) = @_;
+  my @cmd = ($ssh, $host, @command);
+  print join(' ', @cmd), "\n";
+  if ( &_yesno ) {
+    system(@cmd);
+  }
+}
+
+=item sshopen2 [USER@]HOST, READER, WRITER, COMMAND [, ARGS ... ]
+
+Connects the supplied filehandles to the ssh process (in batch mode).
+
+=cut
+
+sub sshopen2 {
+  my($host, $reader, $writer, @command) = @_;
+  open2($reader, $writer, $ssh, '-o', 'Batchmode yes', $host, @command);
+}
+
+=item sshopen3 HOST, WRITER, READER, ERROR, COMMAND [, ARGS ... ]
+
+Connects the supplied filehandles to the ssh process (in batch mode).
+
+=cut
+
+sub sshopen3 {
+  my($host, $writer, $reader, $error, @command) = @_;
+  open3($writer, $reader, $error, $ssh, '-o', 'Batchmode yes', $host, @command);
+}
+
+sub _yesno {
+  print "Proceed [y/N]:";
+  my $x = scalar(<STDIN>);
+  $x =~ /^y/i;
+}
+
+=back
+
+=head1 AUTHOR
+
+Ivan Kohler <ivan-netssh@420.am>
+
+=head1 BUGS
+
+Not OO.
+
+Look at IPC::Session?
+
+=head1 SEE ALSO
+
+ssh(1), L<IPC::Open2>, L<IPC::Open3>
+
+=cut
+
+1;
+