password.lua revision 329167
1171568Sscottl-- 2330449Seadler-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org> 3330449Seadler-- All rights reserved. 4211095Sdes-- 5171568Sscottl-- Redistribution and use in source and binary forms, with or without 6171568Sscottl-- modification, are permitted provided that the following conditions 7171568Sscottl-- are met: 8171568Sscottl-- 1. Redistributions of source code must retain the above copyright 9171568Sscottl-- notice, this list of conditions and the following disclaimer. 10171568Sscottl-- 2. Redistributions in binary form must reproduce the above copyright 11171568Sscottl-- notice, this list of conditions and the following disclaimer in the 12171568Sscottl-- documentation and/or other materials provided with the distribution. 13171568Sscottl-- 14171568Sscottl-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15171568Sscottl-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16171568Sscottl-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17171568Sscottl-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18171568Sscottl-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19171568Sscottl-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20171568Sscottl-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21171568Sscottl-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22171568Sscottl-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23171568Sscottl-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24171568Sscottl-- SUCH DAMAGE. 25171568Sscottl-- 26171568Sscottl-- $FreeBSD: head/stand/lua/password.lua 329167 2018-02-12 15:32:00Z imp $ 27171568Sscottl-- 28171568Sscottl 29171568Sscottllocal password = {}; 30171568Sscottl 31171568Sscottllocal core = require("core"); 32171568Sscottllocal screen = require("screen"); 33171568Sscottl 34171568Sscottlfunction password.read() 35171568Sscottl local str = ""; 36171568Sscottl local n = 0; 37171568Sscottl 38171568Sscottl repeat 39171568Sscottl ch = io.getchar(); 40171568Sscottl if ch == 13 then 41171568Sscottl break; 42171568Sscottl end 43171568Sscottl 44171568Sscottl if ch == 8 then 45171568Sscottl if n > 0 then 46171568Sscottl n = n - 1; 47171568Sscottl -- loader.printc("\008 \008"); 48171568Sscottl str = string.sub(str, 1, n); 49171568Sscottl end 50185289Sscottl else 51185289Sscottl -- loader.printc("*"); 52185289Sscottl str = str .. string.char(ch); 53185289Sscottl n = n + 1; 54185289Sscottl end 55185289Sscottl until n == 16 56171568Sscottl return str; 57171568Sscottlend 58171568Sscottl 59171568Sscottlfunction password.check() 60171568Sscottl screen.defcursor(); 61171568Sscottl local function compare(prompt, pwd) 62171568Sscottl if (pwd == nil) then 63171568Sscottl return; 64171568Sscottl end 65171568Sscottl while true do 66171568Sscottl loader.printc(prompt); 67171568Sscottl if (pwd == password.read()) then 68171568Sscottl break; 69171568Sscottl end 70171568Sscottl print("\n\nloader: incorrect password!\n"); 71171568Sscottl loader.delay(3*1000*1000); 72185289Sscottl end 73171568Sscottl end 74171568Sscottl 75171568Sscottl local boot_pwd = loader.getenv("bootlock_password"); 76171568Sscottl compare("Boot password: ", boot_pwd); 77171568Sscottl 78171568Sscottl local pwd = loader.getenv("password"); 79171568Sscottl if (pwd ~=nil) then 80171568Sscottl core.autoboot(); 81171568Sscottl end 82171568Sscottl compare("Password: ", pwd); 83171568Sscottlend 84171568Sscottl 85171568Sscottlreturn password 86171568Sscottl