1 files changed, 75 insertions, 0 deletions
diff --git a/scripts/foo.pl b/scripts/foo.pl
new file mode 100644
index 0000000..b80ecfa
--- /dev/null
+++ b/scripts/foo.pl
@@ -0,0 +1,75 @@
+use strict;
+use vars qw($VERSION %IRSSI);
+
+use Irssi qw(command_bind signal_add signal_emit signal_stop);
+
+$VERSION = '3.00';
+%IRSSI = (
+    authors	=> 'Juerd, Shiar',
+    contact	=> 'juerd@juerd.nl, shiar@shiar.org',
+    name	=> 'UeberRot encryption',
+    description	=> 'Rot n+i encryption and decryption',
+    license	=> 'Public Domain',
+    url		=> 'http://juerd.nl/site.plp/irssi',
+    changed	=> 'Tue Jan 21 01:40 CET 2003',
+);
+
+my $char1 = "\xC0-\xCF\xD2-\xD6\xD8-\xDD";
+my $char2 = "\xE0-\xF6\xF8-\xFF";
+
+sub rot {
+    my ($dir, $rotABC, $rot123, $rotshift, $msg) = @_;
+    my $i = 0;
+    for (0 .. length $msg) {
+	my $char = \substr $msg, $_, 1;
+	$i += $rotshift;
+	$$char =~ tr/a-zA-Z/b-zaB-ZA/ for 1..abs $dir *26 - ($rotABC + $i) % 26;
+	$$char =~ tr/0-9/1-90/        for 1..abs $dir *10 - ($rot123 + $i) % 10;
+    }
+    return $msg;
+}
+
+sub sig_message {
+    my $signal = shift;
+    my $msg = \$_[1];
+    return unless $$msg =~ s/^\cO(\cB+)\cO(\cB+)\cO(\cO*)//;
+    my $orig = $$msg;
+    $$msg = "\cB" . rot 1, length $1, length $2, length $3, $$msg;
+    $$msg =~ s{\c_\c_\cO([a-zA-Z])}<
+	my $char = $1;
+	eval qq{
+	    \$char =~ tr/A-Z/$char1/;
+	    \$char =~ tr/a-z/$char2/;
+	};
+	$char;
+    >ego;
+    signal_stop;
+    signal_emit($signal, $_[0], $orig, @_[2..$#_]);
+    signal_emit($signal, @_);
+}
+
+command_bind rot => sub {
+    my ($data, $server, $window) = @_;
+    $data =~ s/([$char1$char2])/\c_\c_\cO$1/og;
+    eval qq{
+        \$data =~ tr/$char1/A-Z/;
+        \$data =~ tr/$char2/a-z/;
+    };
+    my $rotABC   = 1 +     int rand 13;
+    my $rot123   = 1 + 2 * int rand 4;
+    my $rotshift = 1 +     int rand 10;
+    $window->command(
+	sprintf "say \cO%s\cO%s\cO%s%s",
+	"\cB" x $rotABC,
+	"\cB" x $rot123,
+        "\cO" x $rotshift,
+	rot 0, $rotABC, $rot123, $rotshift, $data
+    );
+};
+
+signal_add {
+    'message private'     => sub { sig_message 'message private'     => @_ },
+    'message public'      => sub { sig_message 'message public'      => @_ },
+    'message own_private' => sub { sig_message 'message own_private' => @_ },
+    'message own_public'  => sub { sig_message 'message own_public'  => @_ },
+};