Initial revision
authorivan <ivan>
Mon, 21 Sep 1998 23:58:53 +0000 (23:58 +0000)
committerivan <ivan>
Mon, 21 Sep 1998 23:58:53 +0000 (23:58 +0000)
site_perl/SSH.pm [new file with mode: 0644]

diff --git a/site_perl/SSH.pm b/site_perl/SSH.pm
new file mode 100644 (file)
index 0000000..d5a0df6
--- /dev/null
@@ -0,0 +1,157 @@
+package FS::SSH;
+
+use strict;
+use vars qw(@ISA @EXPORT_OK $ssh $scp);
+use Exporter;
+use IPC::Open2;
+use IPC::Open3;
+
+@ISA = qw(Exporter);
+@EXPORT_OK = qw(ssh scp issh iscp sshopen2 sshopen3);
+
+$ssh="ssh";
+$scp="scp";
+
+=head1 NAME
+
+FS::SSH - Subroutines to call ssh and scp
+
+=head1 SYNOPSIS
+
+  use FS::SSH qw(ssh scp issh iscp sshopen2 sshopen3);
+
+  ssh($host, $command);
+
+  issh($host, $command);
+
+  scp($source, $destination);
+
+  iscp($source, $destination);
+
+  sshopen2($host, $reader, $writer, $command);
+
+  sshopen3($host, $reader, $writer, $error, $command);
+
+=head1 DESCRIPTION
+
+  Simple wrappers around ssh and scp commands.
+
+=head1 SUBROUTINES
+
+=over 4
+
+=item ssh HOST, COMMAND 
+
+Calls ssh in batch mode.
+
+=cut
+
+sub ssh {
+  my($host,$command)=@_;
+  my(@cmd)=($ssh, "-o", "BatchMode yes", $host, $command);
+#      print join(' ',@cmd),"\n";
+#0;
+  system(@cmd);
+}
+
+=item issh HOST, COMMAND
+
+Prints the ssh command to be executed, waits for the user to confirm, and
+(optionally) executes the command.
+
+=cut
+
+sub issh {
+  my($host,$command)=@_;
+  my(@cmd)=($ssh, $host, $command);
+  print join(' ',@cmd),"\n";
+  if ( &_yesno ) {
+       ###print join(' ',@cmd),"\n";
+    system(@cmd);
+  }
+}
+
+=item scp SOURCE, DESTINATION
+
+Calls scp in batch mode.
+
+=cut
+
+sub scp {
+  my($src,$dest)=@_;
+  my(@cmd)=($scp,"-Bprq",$src,$dest);
+#      print join(' ',@cmd),"\n";
+#0;
+  system(@cmd);
+}
+
+=item iscp SOURCE, DESTINATION
+
+Prints the scp command to be executed, waits for the user to confirm, and
+(optionally) executes the command.
+
+=cut
+
+sub iscp {
+  my($src,$dest)=@_;
+  my(@cmd)=($scp,"-pr",$src,$dest);
+  print join(' ',@cmd),"\n";
+  if ( &_yesno ) {
+       ###print join(' ',@cmd),"\n";
+    system(@cmd);
+  }
+}
+
+=item sshopen2 HOST, READER, WRITER, COMMAND
+
+Connects the supplied filehandles to the ssh process (in batch mode).
+
+=cut
+
+sub sshopen2 {
+  my($host,$reader,$writer,$command)=@_;
+  open2($reader,$writer,$ssh,'-o','Batchmode yes',$host,$command);
+}
+
+=item sshopen3 HOST, WRITER, READER, ERROR, COMMAND
+
+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;
+}
+
+=head1 BUGS
+
+Not OO.
+
+scp stuff should transparantly use rsync-over-ssh instead.
+
+=head1 SEE ALSO
+
+L<ssh>, L<scp>, L<IPC::Open2>, L<IPC::Open3>
+
+=head1 HISTORY
+
+ivan@voicenet.com 97-jul-17
+
+added sshopen2 and sshopen3 ivan@sisd.com 98-mar-9
+
+added iscp ivan@sisd.com 98-jul-25
+now iscp asks y/n, issh and took out path ivan@sisd.com 98-jul-30
+
+pod ivan@sisd.com 98-sep-21
+
+=cut
+
+1;
+