SSUM

#!/bin/bash

#######################
#   SSUM main script  #
#######################

### set environment vars
prompt_start='> '
prompt_end=' : '
SSUM_install_dir="/var/SSUM"

### functions
source "$SSUM_install_dir/functions.sh"

### prevent exit
prevent_exit

if ( ! is_file "$SSUM_install_dir/.config" ) then
	error "Invalid installation"
fi

### mount disk
/sbin/mount -uw / >/dev/null 2>&1

### read config
source "$SSUM_install_dir/.config"

### clear
clear

### are we in single user mode or not?
single_user_mode=`sysctl -n kern.singleuser`

if [ "$single_user_mode" == "0" ] && [ "$mode" == "SUM" ]; then
	exit
fi

info "Secured Single User Mode (SSUM)"

### ask for password

input_password=""
while true; do

	if ( is_empty "$input_password" ) then
		prompt "Please enter password to continue" 1

		input_password="$data"

		if ( is_empty "$input_password" ) then
			error "Password is empty" 0
		fi
	elif [ "$input_password" != "$password" ]; then
		input_password=""
		
		### update counter
		((amount_of_tries--))
		
		tmp="tries"
		
		if [ "$amount_of_tries" == 1 ]; then
			tmp="try"
		fi
		
		info "$amount_of_tries $tmp left"
		
		if [ "$amount_of_tries" == 0 ]; then
			case "$action" in
			
				### shutdown
				'shutdown')
					shutdown -h now >/dev/null 2>&1
				;;
				
				### reboot
				'reboot')
					reboot
				;;
			
			esac
		fi
		
		error "Incorrect password" 0
	else
		break
	fi

done

success "Welcome" # , type 'change' to make changes or 'exit' to continue

exit