add got-diminished, no pun intended

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/got-diminished b/got-diminished
new file mode 100755
index 0000000..ff1d8d1
--- /dev/null
+++ b/got-diminished
@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+# gates-of-tartaros – Minimal replacement for agetty with SSH support
+# 
+# Copyright © 2013  Mattias Andrée (maandree@member.fsf.org)
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# Read the parameters: the first is the tty, the rest are exports
+tty="$1"
+shift 1
+if [ ! $# = 0 ]; then
+    export "$@"
+fi
+
+# Change TTY
+exec 0<>"@dev@/${tty}"
+exec 1>&0
+exec 2>&0
+
+
+# This is required if you want to use dash (and ash, since dash
+# [dash not ash] does not recognise $'').
+echo ()
+{
+    @echo@ "$@"
+}
+
+
+# Function used for printing information on the terminal for the user
+display_function=_display
+_display ()
+{
+    echo -en '\e[H\e[2J'
+    echo -e "\e[${ANSI_COLOR}m${NAME} (${tty})\e[00m"
+    echo
+    echo -n 'Login: '
+}
+
+# Function for reading the username form the terminal
+read_function=_read
+_read ()
+{
+    read user
+}
+
+# Function for logging in the user
+login_function=_login
+_login ()
+{
+    if [ ! "${user%@*}" = "${user}" ]; then
+	exec setsid -c @ssh@ ${user} || sleep 3
+	# The sleep allows you to see any error you made
+    elif [ ! "${user}" = "" ] && [ "${user%%-*}" = "" ]; then
+	tty_settings="$(stty --save)"
+	stty -icanon -echo -isig -ixon -ixoff -ixany
+	echo -e '\e[01;31mNice try! Sleeping for 10 minutes...\e[00m'
+	sleep 600
+	stty "${tty_settings}"
+    else
+	exec setsid -c login -- "${user}"
+    fi
+}
+
+
+# Load OS information and extensions
+NAME="$(uname -o)"
+ANSI_COLOR='01;34' # must be exactly ANSI_COLOR as it is defined in /etc/os-release
+if [ -f "@etc@/os-release" ]; then
+    . "@etc@/os-release"
+fi
+if [ -f "@etc@/@command@rc" ]; then
+    .  "@etc@/@command@rc"
+fi
+
+# Let the user log in
+$display_function
+$read_function
+$login_function
+