From 96eb5785037c501ac5f0c4b473a6819e44a9d016 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineering.com>
Date: Wed, 12 Jul 2017 18:11:30 -0500
Subject: Use Raptor boot script with lockdown support

---
 utils/pb-console | 116 ++++++-------------------------------------------------
 1 file changed, 12 insertions(+), 104 deletions(-)

diff --git a/utils/pb-console b/utils/pb-console
index 282fca1..924e1c3 100644
--- a/utils/pb-console
+++ b/utils/pb-console
@@ -3,91 +3,8 @@
 # Petitboot utility script for running a petitboot UI program
 # on a console tty.
 #
-
-ui=petitboot-nc
-shell=sh
-getty=/sbin/getty
-use_getty=0
-detach=0
-pb_config=pb-config
-
-usage() {
-	cat >&2 <<EOF
-pb-console [OPTIONS] -- [ARGS]
-OPTIONS
-     -d, --detach
-             Start in a detached (background) state.
-
-     -g, --getty[=PATH]
-             Start a getty (specified by PATH, otherwise $getty),
-             passing additional ARGS to the getty process
-
-     -s, --shell=PATH
-             Use PATH as the exit-to-shell shell
-
-     -u, --ui=PATH
-             Use PATH as the petitboot UI
-
-     -h, --help
-             Print a help message.
-EOF
-	exit 1
-}
-
-opts=$(getopt --options 'hdg::s:u:' \
-              --long 'help,detach,getty::,shell:,ui:' \
-              -- "$@")
-[ $? = 0 ] || exit 1
-
-eval set -- "$opts"
-
-while :
-do
-	case "$1" in
-	-d | --detach)
-		detach=1
-		shift
-		;;
-	-g | --getty)
-		use_getty=1
-		getty_arg="$2"
-		shift 2
-		;;
-	-s | --shell)
-		shell="$2"
-		shift 2
-		;;
-	-u | --ui)
-		ui="$2"
-		shift 2
-		;;
-	--help | -h)
-		usage
-		;;
-	--)
-		shift
-		break
-		;;
-	*)
-		echo "getopt error"
-		exit 1
-	esac
-done
-
-if [ "$use_getty" = 1 ]
-then
-	if [ -n "$getty_arg" ]
-	then
-		getty="$getty_arg"
-	fi
-	if [ "$detach" = 1 ]
-	then
-		$getty -l $0 "$@" &
-		exit
-	else
-		exec $getty -l $0 "$@"
-	fi
-fi
+# Copyright © 2017 Raptor Engineering, LLC
+# Released under the terms of the GNU GPL v2
 
 for f in /etc/environment /etc/locale
 do
@@ -97,14 +14,12 @@ do
 	fi
 done
 
-# we force local terminals to use the linux termcap definition
 case "$(tty)" in
 /dev/tty[0-9]*)
 	export TERM=linux
 	;;
 esac
 
-# we may have been run from udev - ensure we have a sensible PATH
 if [ -z "$PATH" ]
 then
 	PATH=/usr/bin:/usr/sbin:/bin:/sbin
@@ -112,21 +27,14 @@ fi
 PATH=/var/lib/pb-plugins/bin:$PATH
 export PATH
 
-verbose_opt=
-if $pb_config debug | grep -q enabled
-then
-	verbose_opt=--verbose
-fi
-
-# kernel messages may write over the ncurses ui - change log level to only
-# show particularly important messages
-dmesg -n 1
+echo 0 > /proc/sys/kernel/printk
+clear
 
-while :
-do
-	$ui $verbose_opt
-	reset
-	echo "Exiting petitboot. Type 'exit' to return."
-	echo "You may run 'pb-sos' to gather diagnostic data"
-	$shell
-done
+if [ -e /etc/pb-lockdown ]; then
+	echo "Failed to launch petitboot, rebooting!"
+	echo 1 > /proc/sys/kernel/sysrq
+	echo b > /proc/sysrq-trigger
+else
+	echo "Failed to launch petitboot, dropping to a shell"
+	exec sh
+fi
-- 
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