fe672a15db
Enter/backspace values are hardcoded in both the menu and password scripts. Separate these out to core for reuse between the two.
86 lines
2.4 KiB
Lua
86 lines
2.4 KiB
Lua
--
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-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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-- SUCH DAMAGE.
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--
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-- $FreeBSD$
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--
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local password = {};
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local core = require("core");
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local screen = require("screen");
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function password.read()
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local str = "";
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local n = 0;
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repeat
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ch = io.getchar();
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if ch == core.KEY_ENTER then
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break;
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end
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if ch == core.KEY_BACKSPACE then
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if n > 0 then
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n = n - 1;
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-- loader.printc("\008 \008");
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str = string.sub(str, 1, n);
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end
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else
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-- loader.printc("*");
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str = str .. string.char(ch);
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n = n + 1;
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end
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until n == 16
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return str;
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end
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function password.check()
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screen.defcursor();
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local function compare(prompt, pwd)
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if (pwd == nil) then
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return;
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end
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while true do
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loader.printc(prompt);
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if (pwd == password.read()) then
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break;
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end
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print("\n\nloader: incorrect password!\n");
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loader.delay(3*1000*1000);
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end
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end
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local boot_pwd = loader.getenv("bootlock_password");
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compare("Boot password: ", boot_pwd);
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local pwd = loader.getenv("password");
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if (pwd ~=nil) then
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core.autoboot();
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end
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compare("Password: ", pwd);
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end
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return password
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