D14295.id39150.diff
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	Index: stand/Makefile
	===================================================================
	--- stand/Makefile
	+++ stand/Makefile
	@@ -10,6 +10,7 @@
	.endif
	.if ${MK_LOADER_LUA} != "no"
	SUBDIR+= liblua
	+SUBDIR+= lua
	.endif

	SUBDIR+= man
	Index: stand/lua/Makefile
	===================================================================
	--- /dev/null
	+++ stand/lua/Makefile
	@@ -0,0 +1,15 @@
	+# $FreeBSD$
	+
	+.include <bsd.init.mk>
	+
	+BINDIR= /boot/lua
	+FILES= color.lua \
	+ config.lua \
	+ core.lua \
	+ drawer.lua \
	+ loader.lua \
	+ menu.lua \
	+ password.lua \
	+ screen.lua
	+
	+.include <bsd.prog.mk>
	Index: stand/lua/color.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/color.lua
	@@ -0,0 +1,99 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local color = {};
	+
	+local core = require("core");
	+
	+color.BLACK = 0;
	+color.RED = 1;
	+color.GREEN = 2;
	+color.YELLOW = 3;
	+color.BLUE = 4;
	+color.MAGENTA = 5;
	+color.CYAN = 6;
	+color.WHITE = 7;
	+
	+color.DEFAULT = 0;
	+color.BRIGHT = 1;
	+color.DIM = 2;
	+
	+function color.isEnabled()
	+ local c = loader.getenv("loader_color");
	+ if c ~= nil then
	+ if c:lower() == "no" or c == "0" then
	+ return false;
	+ end
	+ end
	+ return not core.bootserial();
	+end
	+
	+color.disabled = not color.isEnabled();
	+
	+
	+function color.escapef(c)
	+ if color.disabled then
	+ return c;
	+ end
	+ return "\027[3"..c.."m";
	+end
	+
	+function color.escapeb(c)
	+ if color.disabled then
	+ return c;
	+ end
	+ return "\027[4"..c.."m";
	+end
	+
	+function color.escape(fg, bg, att)
	+ if color.disabled then
	+ return "";
	+ end
	+ if not att then
	+ att = ""
	+ else
	+ att = att..";";
	+ end
	+ return "\027["..att.."3"..fg..";4"..bg.."m";
	+end
	+
	+function color.default()
	+ if color.disabled then
	+ return "";
	+ end
	+ return "\027[0;37;40m";
	+end
	+
	+function color.highlight(str)
	+ if color.disabled then
	+ return str;
	+ end
	+ return "\027[1m"..str.."\027[0m";
	+end
	+
	+return color
	Index: stand/lua/config.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/config.lua
	@@ -0,0 +1,371 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local config = {};
	+
	+local modules = {};
	+
	+function config.setKey(k, n, v)
	+ if modules[k] == nil then
	+ modules[k] = {};
	+ end
	+ modules[k][n] = v;
	+end
	+
	+local pattern_table = {
	+ [1] = {
	+ str = "^%s(#.)",
	+ process = function(k, v) end
	+ },
	+ -- module_load="value"
	+ [2] = {
	+ str = "^%s([%w_]+)_load%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ if modules[k] == nil then
	+ modules[k] = {};
	+ end
	+ modules[k].load = string.upper(v);
	+ end
	+ },
	+ -- module_name="value"
	+ [3] = {
	+ str = "^%s([%w_]+)_name%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "name", v);
	+ end
	+ },
	+ -- module_type="value"
	+ [4] = {
	+ str = "^%s([%w_]+)_type%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "type", v);
	+ end
	+ },
	+ -- module_flags="value"
	+ [5] = {
	+ str = "^%s([%w_]+)_flags%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "flags", v);
	+ end
	+ },
	+ -- module_before="value"
	+ [6] = {
	+ str = "^%s([%w_]+)_before%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "before", v);
	+ end
	+ },
	+ -- module_after="value"
	+ [7] = {
	+ str = "^%s([%w_]+)_after%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "after", v);
	+ end
	+ },
	+ -- module_error="value"
	+ [8] = {
	+ str = "^%s([%w_]+)_error%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ config.setKey(k, "error", v);
	+ end
	+ },
	+ -- exec="command"
	+ [9] = {
	+ str = "^%sexec%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ if loader.perform(k) ~= 0 then
	+ print("Failed to exec '"..k.."'");
	+ end
	+ end
	+ },
	+ -- env_var="value"
	+ [10] = {
	+ str = "^%s([%w%p]+)%s=%s\"([%w%s%p]-)\"%s(.*)",
	+ process = function(k, v)
	+ if loader.setenv(k, v) ~= 0 then
	+ print("Failed to set '"..k.."' with value: "..v.."");
	+ end
	+ end
	+ },
	+ -- env_var=num
	+ [11] = {
	+ str = "^%s([%w%p]+)%s=%s(%d+)%s(.*)",
	+ process = function(k, v)
	+ if loader.setenv(k, v) ~= 0 then
	+ print("Failed to set '"..k.."' with value: "..v.."");
	+ end
	+ end
	+ }
	+};
	+
	+function config.isValidComment(c)
	+ if c ~= nil then
	+ local s = string.match(c, "^%s#.");
	+ if s == nil then
	+ s = string.match(c, "^%s*$");
	+ end
	+ if s == nil then
	+ return false;
	+ end
	+ end
	+ return true;
	+end
	+
	+function config.loadmod(mod, silent)
	+ local status = true;
	+ for k, v in pairs(mod) do
	+ if v.load == "YES" then
	+ local str = "load ";
	+ if v.flags ~= nil then
	+ str = str .. v.flags .. " ";
	+ end
	+ if v.type ~= nil then
	+ str = str .. "-t " .. v.type .. " ";
	+ end
	+ if v.name ~= nil then
	+ str = str .. v.name;
	+ else
	+ str = str .. k;
	+ end
	+
	+ if v.before ~= nil then
	+ if loader.perform(v.before) ~= 0 then
	+ if not silent then
	+ print("Failed to execute '"..v.before.."' before loading '"..k.."'");
	+ end
	+ status = false;
	+ end
	+ end
	+
	+ if loader.perform(str) ~= 0 then
	+ if not silent then
	+ print("Failed to execute '" .. str .. "'");
	+ end
	+ if v.error ~= nil then
	+ loader.perform(v.error);
	+ end
	+ status = false;
	+ end
	+
	+ if v.after ~= nil then
	+ if loader.perform(v.after) ~= 0 then
	+ if not silent then
	+ print("Failed to execute '"..v.after.."' after loading '"..k.."'");
	+ end
	+ status = false;
	+ end
	+ end
	+
	+ else
	+ --if not silent then print("Skiping module '".. k .. "'"); end
	+ end
	+ end
	+
	+ return status;
	+end
	+
	+function config.parse(name, silent)
	+ local f = io.open(name);
	+ if f == nil then
	+ if not silent then
	+ print("Failed to open config: '" .. name.."'");
	+ end
	+ return false;
	+ end
	+
	+ local text;
	+ local r;
	+
	+ text, r = io.read(f);
	+
	+ if text == nil then
	+ if not silent then
	+ print("Failed to read config: '" .. name.."'");
	+ end
	+ return false;
	+ end
	+
	+ local n = 1;
	+ local status = true;
	+
	+ for line in string.gmatch(text, "([^\n]+)") do
	+
	+ if string.match(line, "^%s*$") == nil then
	+ local found = false;
	+
	+ for i, val in ipairs(pattern_table) do
	+ local k, v, c = string.match(line, val.str);
	+ if k ~= nil then
	+ found = true;
	+
	+ if config.isValidComment(c) then
	+ val.process(k, v);
	+ else
	+ print("Malformed line ("..n.."):\n\t'"..line.."'");
	+ status = false;
	+ end
	+
	+ break;
	+ end
	+ end
	+
	+ if found == false then
	+ print("Malformed line ("..n.."):\n\t'"..line.."'");
	+ status = false;
	+ end
	+ end
	+ n = n + 1;
	+ end
	+
	+ return status;
	+end
	+
	+function config.loadkernel()
	+ local flags = loader.getenv("kernel_options") or "";
	+ local kernel = loader.getenv("kernel");
	+
	+ local try_load = function (names)
	+ for name in names:gmatch("([^;]+)%s*;?") do
	+ r = loader.perform("load "..flags.." "..name);
	+ if r == 0 then
	+ return name;
	+ end
	+ end
	+ return nil;
	+ end;
	+
	+ local load_bootfile = function()
	+ local bootfile = loader.getenv("bootfile");
	+
	+ -- append default kernel name
	+ if not bootfile then
	+ bootfile = "kernel";
	+ else
	+ bootfile = bootfile..";kernel";
	+ end
	+
	+ return try_load(bootfile);
	+ end;
	+
	+ -- kernel not set, try load from default module_path
	+ if kernel == nil then
	+ local res = load_bootfile();
	+
	+ if res ~= nil then
	+ return true;
	+ else
	+ print("Failed to load kernel '"..res.."'");
	+ return false;
	+ end
	+ else
	+ local module_path = loader.getenv("module_path");
	+ local res = nil;
	+
	+ -- first try load kernel with module_path = /boot/${kernel}
	+ -- then try load with module_path=${kernel}
	+ local paths = {"/boot/"..kernel, kernel};
	+
	+ for k,v in pairs(paths) do
	+
	+ loader.setenv("module_path", v);
	+ res = load_bootfile();
	+
	+ -- succeeded add path to module_path
	+ if res ~= nil then
	+ loader.setenv("module_path", v..";"..module_path);
	+ return true;
	+ end
	+ end
	+
	+ -- failed to load with ${kernel} as a directory
	+ -- try as a file
	+ res = try_load(kernel);
	+ if res ~= nil then
	+ return true;
	+ else
	+ print("Failed to load kernel '"..res.."'");
	+ return false;
	+ end
	+ end
	+end
	+
	+
	+function config.load(file)
	+
	+ if not file then
	+ file = "/boot/defaults/loader.conf";
	+ end
	+
	+ if not config.parse(file) then
	+-- print("Failed to parse configuration: '"..file.."'");
	+ end
	+
	+ local f = loader.getenv("loader_conf_files");
	+ if f ~= nil then
	+ for name in string.gmatch(f, "([%w%p]+)%s*") do
	+ if not config.parse(name) then
	+-- print("Failed to parse configuration: '"..name.."'");
	+ end
	+ end
	+ end
	+
	+ print("Loading kernel...");
	+ config.loadkernel();
	+
	+ print("Loading configurations...");
	+ if not config.loadmod(modules) then
	+ print("Could not load configurations!");
	+ end
	+end
	+
	+function config.reload(kernel)
	+ local res = 1;
	+
	+ -- unload all modules
	+ print("Unloading modules...");
	+ loader.perform("unload");
	+
	+ if kernel ~= nil then
	+ res = loader.perform("load "..kernel);
	+ if res == 0 then
	+ print("Kernel '"..kernel.."' loaded!");
	+ end
	+ end
	+
	+ -- failed to load kernel or it is nil
	+ -- then load default
	+ if res == 1 then
	+ print("Loading default kernel...");
	+ config.loadkernel();
	+ end
	+
	+ -- load modules
	+ config.loadmod(modules);
	+end
	+
	+return config
	Index: stand/lua/core.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/core.lua
	@@ -0,0 +1,154 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local core = {};
	+
	+function core.setVerbose(b)
	+ if (b == nil) then
	+ b = not core.verbose;
	+ end
	+
	+ if (b == true) then
	+ loader.setenv("boot_verbose", "YES");
	+ else
	+ loader.unsetenv("boot_verbose");
	+ end
	+ core.verbose = b;
	+end
	+
	+function core.setSingleUser(b)
	+ if (b == nil) then
	+ b = not core.su;
	+ end
	+
	+ if (b == true) then
	+ loader.setenv("boot_single", "YES");
	+ else
	+ loader.unsetenv("boot_single");
	+ end
	+ core.su = b;
	+end
	+
	+function core.setACPI(b)
	+ if (b == nil) then
	+ b = not core.acpi;
	+ end
	+
	+ if (b == true) then
	+ loader.setenv("acpi_load", "YES");
	+ loader.setenv("hint.acpi.0.disabled", "0");
	+ loader.unsetenv("loader.acpi_disabled_by_user");
	+ else
	+ loader.unsetenv("acpi_load");
	+ loader.setenv("hint.acpi.0.disabled", "1");
	+ loader.setenv("loader.acpi_disabled_by_user", "1");
	+ end
	+ core.acpi = b;
	+end
	+
	+function core.setSafeMode(b)
	+ if (b == nil) then
	+ b = not core.sm;
	+ end
	+ if (b == true) then
	+ loader.setenv("kern.smp.disabled", "1");
	+ loader.setenv("hw.ata.ata_dma", "0");
	+ loader.setenv("hw.ata.atapi_dma", "0");
	+ loader.setenv("hw.ata.wc", "0");
	+ loader.setenv("hw.eisa_slots", "0");
	+ loader.setenv("kern.eventtimer.periodic", "1");
	+ loader.setenv("kern.geom.part.check_integrity", "0");
	+ else
	+ loader.unsetenv("kern.smp.disabled");
	+ loader.unsetenv("hw.ata.ata_dma");
	+ loader.unsetenv("hw.ata.atapi_dma");
	+ loader.unsetenv("hw.ata.wc");
	+ loader.unsetenv("hw.eisa_slots");
	+ loader.unsetenv("kern.eventtimer.periodic");
	+ loader.unsetenv("kern.geom.part.check_integrity");
	+ end
	+ core.sm = b;
	+end
	+
	+function core.kernelList()
	+ local k = loader.getenv("kernel");
	+ local v = loader.getenv("kernels") or "";
	+
	+ local kernels = {};
	+ local i = 0;
	+ if k ~= nil then
	+ i = i + 1;
	+ kernels[i] = k;
	+ end
	+
	+ for n in v:gmatch("([^; ]+)[; ]?") do
	+ if n ~= k then
	+ i = i + 1;
	+ kernels[i] = n;
	+ end
	+ end
	+ return kernels;
	+end
	+
	+function core.setDefaults()
	+ core.setACPI(true);
	+ core.setSafeMode(false);
	+ core.setSingleUser(false);
	+ core.setVerbose(false);
	+end
	+
	+function core.autoboot()
	+ loader.perform("autoboot");
	+end
	+
	+function core.boot()
	+ loader.perform("boot");
	+end
	+
	+function core.bootserial()
	+ local c = loader.getenv("console");
	+
	+ if c ~= nil then
	+ if c:find("comconsole") ~= nil then
	+ return true;
	+ end
	+ end
	+
	+ local s = loader.getenv("boot_serial");
	+ if s ~= nil then
	+ return true;
	+ end
	+
	+ local m = loader.getenv("boot_multicons");
	+ if m ~= nil then
	+ return true;
	+ end
	+ return false;
	+end
	+
	+return core
	Index: stand/lua/drawer.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/drawer.lua
	@@ -0,0 +1,309 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local drawer = {};
	+
	+local color = require("color");
	+local screen = require("screen");
	+
	+drawer.brand_position = {x = 2, y = 1};
	+drawer.fbsd_logo = {
	+ " ______ ____ _____ _____ ",
	+ " \| ____\| \| _ \\ / ____\| __ \\ ",
	+ " \| \|___ _ __ ___ ___ \| \|_) \| (___ \| \| \| \|",
	+ " \| ___\| '__/ _ \\/ _ \\\| _ < \\___ \\\| \| \| \|",
	+ " \| \| \| \| \| __/ __/\| \|_) \|____) \| \|__\| \|",
	+ " \| \| \| \| \| \| \|\| \| \| \|",
	+ " \|_\| \|_\| \\___\|\\___\|\|____/\|_____/\|_____/ "
	+};
	+
	+drawer.logo_position = {x = 46, y = 1};
	+drawer.beastie_color = {
	+ " \027[31m, ,",
	+ " /( )`",
	+ " \\ \\___ / \|",
	+ " /- \027[37m_\027[31m `-/ '",
	+ " (\027[37m/\\/ \\\027[31m \\ /\\",
	+ " \027[37m/ / \|\027[31m ` \\",
	+ " \027[34mO O \027[37m) \027[31m/ \|",
	+ " \027[37m`-^--'\027[31m`< '",
	+ " (_.) _ ) /",
	+ " `.___/` /",
	+ " `-----' /",
	+ " \027[33m<----.\027[31m __ / __ \\",
	+ " \027[33m<----\|====\027[31mO)))\027[33m==\027[31m) \\) /\027[33m====\|",
	+ " \027[33m<----'\027[31m `--' `.__,' \\",
	+ " \| \|",
	+ " \\ / /\\",
	+ " \027[36m______\027[31m( (_ / \\______/",
	+ " \027[36m,' ,-----' \|",
	+ " `--{__________)\027[37m"
	+};
	+
	+drawer.beastie = {
	+ " , ,",
	+ " /( )`",
	+ " \\ \\___ / \|",
	+ " /- _ `-/ '",
	+ " (/\\/ \\ \\ /\\",
	+ " / / \| ` \\",
	+ " O O ) / \|",
	+ " `-^--'`< '",
	+ " (_.) _ ) /",
	+ " `.___/` /",
	+ " `-----' /",
	+ " <----. __ / __ \\",
	+ " <----\|====O)))==) \\) /====\|",
	+ " <----' `--' `.__,' \\",
	+ " \| \|",
	+ " \\ / /\\",
	+ " ______( (_ / \\______/",
	+ " ,' ,-----' \|",
	+ " `--{__________)"
	+};
	+
	+drawer.fbsd_logo_shift = {x = 5, y = 4};
	+drawer.fbsd_logo_v = {
	+ " ______",
	+ " \| ____\| __ ___ ___ ",
	+ " \| \|__ \| '__/ _ \\/ _ \\",
	+ " \| __\|\| \| \| __/ __/",
	+ " \| \| \| \| \| \| \|",
	+ " \|_\| \|_\| \\___\|\\___\|",
	+ " ____ _____ _____",
	+ " \| _ \\ / ____\| __ \\",
	+ " \| \|_) \| (___ \| \| \| \|",
	+ " \| _ < \\___ \\\| \| \| \|",
	+ " \| \|_) \|____) \| \|__\| \|",
	+ " \| \| \| \|",
	+ " \|____/\|_____/\|_____/"
	+};
	+
	+drawer.orb_shift = {x = 2, y = 4};
	+drawer.orb_color = {
	+ " \027[31m``` \027[31;1m`\027[31m",
	+ " s` `.....---...\027[31;1m....--.``` -/\027[31m",
	+ " +o .--` \027[31;1m/y:` +.\027[31m",
	+ " yo`:. \027[31;1m:o `+-\027[31m",
	+ " y/ \027[31;1m-/` -o/\027[31m",
	+ " .- \027[31;1m::/sy+:.\027[31m",
	+ " / \027[31;1m`-- /\027[31m",
	+ " `: \027[31;1m:`\027[31m",
	+ " `: \027[31;1m:`\027[31m",
	+ " / \027[31;1m/\027[31m",
	+ " .- \027[31;1m-.\027[31m",
	+ " -- \027[31;1m-.\027[31m",
	+ " `:` \027[31;1m`:`",
	+ " \027[31;1m.-- `--.",
	+ " .---.....----.\027[37m"
	+};
	+
	+drawer.orb = {
	+ " ``` `",
	+ " s` `.....---.......--.``` -/",
	+ " +o .--` /y:` +.",
	+ " yo`:. :o `+-",
	+ " y/ -/` -o/",
	+ " .- ::/sy+:.",
	+ " / `-- /",
	+ " `: :`",
	+ " `: :`",
	+ " / /",
	+ " .- -.",
	+ " -- -.",
	+ " `:` `:`",
	+ " .-- `--.",
	+ " .---.....----."
	+};
	+
	+drawer.none = {""};
	+
	+drawer.none_shift = {x = 17, y = 0};
	+
	+drawer.menu_position = {x = 6, y = 11};
	+
	+drawer.box_pos_dim = {x = 3, y = 10, w = 41, h = 11};
	+
	+function drawer.drawscreen(menu_opts)
	+ -- drawlogo() must go first.
	+ -- it determines the positions of other elements
	+ drawer.drawlogo();
	+ drawer.drawbrand();
	+ drawer.drawbox();
	+ return drawer.drawmenu(menu_opts);
	+end
	+
	+function drawer.drawmenu(m)
	+ x = drawer.menu_position.x;
	+ y = drawer.menu_position.y;
	+
	+ -- print the menu and build the alias table
	+ local alias_table = {};
	+ local entry_num = 0;
	+ for line_num, e in ipairs(m) do
	+ if (e.entry_type ~= "separator") then
	+ entry_num = entry_num + 1;
	+ screen.setcursor(x, y + line_num);
	+ print(entry_num .. ". "..e.name());
	+
	+ -- fill the alias table
	+ alias_table[tostring(entry_num)] = e;
	+ for n, a in ipairs(e.alias) do
	+ alias_table[a] = e;
	+ end
	+ else
	+ screen.setcursor(x, y + line_num);
	+ print(e.name());
	+ end
	+ end
	+ return alias_table;
	+end
	+
	+
	+function drawer.drawbox()
	+ x = drawer.box_pos_dim.x;
	+ y = drawer.box_pos_dim.y;
	+ w = drawer.box_pos_dim.w;
	+ h = drawer.box_pos_dim.h;
	+
	+ local hl = string.char(0xCD);
	+ local vl = string.char(0xBA);
	+
	+ local tl = string.char(0xC9);
	+ local bl = string.char(0xC8);
	+ local tr = string.char(0xBB);
	+ local br = string.char(0xBC);
	+
	+ screen.setcursor(x, y); print(tl);
	+ screen.setcursor(x, y+h); print(bl);
	+ screen.setcursor(x+w, y); print(tr);
	+ screen.setcursor(x+w, y+h); print(br);
	+
	+ for i = 1, w-1 do
	+ screen.setcursor(x+i, y);
	+ print(hl);
	+ screen.setcursor(x+i, y+h);
	+ print(hl);
	+ end
	+
	+ for i = 1, h-1 do
	+ screen.setcursor(x, y+i);
	+ print(vl);
	+ screen.setcursor(x+w, y+i);
	+ print(vl);
	+ end
	+
	+ screen.setcursor(x+(w/2)-9, y);
	+ print("Welcome to FreeBSD");
	+end
	+
	+function drawer.draw(x, y, logo)
	+ for i = 1, #logo do
	+ screen.setcursor(x, y + i);
	+ print(logo[i]);
	+ end
	+end
	+
	+function drawer.drawbrand()
	+ local x = tonumber(loader.getenv("loader_brand_x"));
	+ local y = tonumber(loader.getenv("loader_brand_y"));
	+
	+ if not x then
	+ x = drawer.brand_position.x;
	+ end
	+ if not y then
	+ y = drawer.brand_position.y;
	+ end
	+
	+ local logo = load("return " .. tostring(loader.getenv("loader_brand")))();
	+ if not logo then
	+ logo = drawer.fbsd_logo;
	+ end
	+ drawer.draw(x, y, logo);
	+end
	+
	+function drawer.drawlogo()
	+ local x = tonumber(loader.getenv("loader_logo_x"));
	+ local y = tonumber(loader.getenv("loader_logo_y"));
	+
	+ if not x then
	+ x = drawer.logo_position.x;
	+ end
	+ if not y then
	+ y = drawer.logo_position.y;
	+ end
	+
	+ local logo = loader.getenv("loader_logo");
	+ local s = {x = 0, y = 0};
	+ local colored = color.isEnabled();
	+
	+ if logo == "beastie" then
	+ if colored then
	+ logo = drawer.beastie_color;
	+ end
	+ elseif logo == "beastiebw" then
	+ logo = drawer.beastie;
	+ elseif logo == "fbsdbw" then
	+ logo = drawer.fbsd_logo_v;
	+ s = drawer.fbsd_logo_shift;
	+ elseif logo == "orb" then
	+ if colored then
	+ logo = drawer.orb_color;
	+ end
	+ s = drawer.orb_shift;
	+ elseif logo == "orbbw" then
	+ logo = drawer.orb;
	+ s = drawer.orb_shift;
	+ elseif logo == "tribute" then
	+ logo = drawer.fbsd_logo;
	+ elseif logo == "tributebw" then
	+ logo = drawer.fbsd_logo;
	+ elseif logo == "none" then
	+ --centre brand and text if no logo
	+ drawer.brand_position.x = drawer.brand_position.x + drawer.none_shift.x;
	+ drawer.brand_position.y = drawer.brand_position.y + drawer.none_shift.y;
	+ drawer.menu_position.x = drawer.menu_position.x + drawer.none_shift.x;
	+ drawer.menu_position.y = drawer.menu_position.y + drawer.none_shift.y;
	+ drawer.box_pos_dim.x = drawer.box_pos_dim.x + drawer.none_shift.x;
	+ drawer.box_pos_dim.y = drawer.box_pos_dim.y + drawer.none_shift.y;
	+ --prevent redraws from moving menu further
	+ drawer.none_shift.x = 0;
	+ drawer.none_shift.y = 0;
	+ logo = drawer.none;
	+ end
	+ if not logo then
	+ if colored then
	+ logo = drawer.orb_color;
	+ else
	+ logo = drawer.orb;
	+ end
	+ end
	+ drawer.draw(x + s.x, y + s.y, logo);
	+end
	+
	+return drawer
	Index: stand/lua/loader.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/loader.lua
	@@ -0,0 +1,35 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+config = require("config");
	+menu = require("menu");
	+password = require("password");
	+
	+config.load();
	+password.check();
	+menu.run();
	Index: stand/lua/menu.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/menu.lua
	@@ -0,0 +1,379 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+
	+local menu = {};
	+
	+local core = require("core");
	+local color = require("color");
	+local config = require("config");
	+local screen = require("screen");
	+local drawer = require("drawer");
	+
	+local OnOff;
	+local skip;
	+local run;
	+local autoboot;
	+
	+--loader menu tree:
	+--rooted at menu.welcome
	+--submenu declarations:
	+local kernel_options;
	+local boot_options;
	+local welcome;
	+
	+menu.kernel_options = {
	+ -- this table is dynamically appended to when accessed
	+ -- return to welcome menu
	+ {
	+ entry_type = "return",
	+ name = function()
	+ return "Back to main menu"..color.highlight(" [Backspace]");
	+ end,
	+ alias = {"\08"}
	+ }
	+};
	+
	+menu.boot_options = {
	+ -- return to welcome menu
	+ {
	+ entry_type = "return",
	+ name = function()
	+ return "Back to main menu"..color.highlight(" [Backspace]");
	+ end,
	+ alias = {"\08"}
	+ },
	+
	+ -- load defaults
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return "Load System "..color.highlight("D").."efaults";
	+ end,
	+ func = function()
	+ core.setDefaults()
	+ end,
	+ alias = {"d", "D"}
	+ },
	+
	+ {
	+ entry_type = "separator",
	+ name = function()
	+ return "";
	+ end
	+ },
	+
	+ {
	+ entry_type = "separator",
	+ name = function()
	+ return "Boot Options:";
	+ end
	+ },
	+
	+ -- acpi
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return OnOff(color.highlight("A").."CPI :", core.acpi);
	+ end,
	+ func = function()
	+ core.setACPI();
	+ end,
	+ alias = {"a", "A"}
	+ },
	+ -- safe mode
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return OnOff("Safe "..color.highlight("M").."ode :", core.sm);
	+ end,
	+ func = function()
	+ core.setSafeMode();
	+ end,
	+ alias = {"m", "M"}
	+ },
	+ -- single user
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return OnOff(color.highlight("S").."ingle user:", core.su);
	+ end,
	+ func = function()
	+ core.setSingleUser();
	+ end,
	+ alias = {"s", "S"}
	+ },
	+ -- verbose boot
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return OnOff(color.highlight("V").."erbose :", core.verbose);
	+ end,
	+ func = function()
	+ core.setVerbose();
	+ end,
	+ alias = {"v", "V"}
	+ },
	+};
	+
	+menu.welcome = {
	+ -- boot multi user
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return color.highlight("B").."oot Multi user "..color.highlight("[Enter]");
	+ end,
	+ func = function()
	+ core.setSingleUser(false);
	+ core.boot();
	+ end,
	+ alias = {"b", "B", "\013"}
	+ },
	+
	+ -- boot single user
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return "Boot "..color.highlight("S").."ingle user";
	+ end,
	+ func = function()
	+ core.setSingleUser(true);
	+ core.boot();
	+ end,
	+ alias = {"s", "S"}
	+ },
	+
	+ -- escape to interpreter
	+ {
	+ entry_type = "return",
	+ name = function()
	+ return color.highlight("Esc").."ape to lua interpreter";
	+ end,
	+ alias = {"\027"}
	+ },
	+
	+ -- reboot
	+ {
	+ entry_type = "entry",
	+ name = function()
	+ return color.highlight("R").."eboot";
	+ end,
	+ func = function()
	+ loader.perform("reboot");
	+ end,
	+ alias = {"r", "R"}
	+ },
	+
	+
	+ {
	+ entry_type = "separator",
	+ name = function()
	+ return "";
	+ end
	+ },
	+
	+ {
	+ entry_type = "separator",
	+ name = function()
	+ return "Options:";
	+ end
	+ },
	+
	+ -- kernel options
	+ {
	+ entry_type = "submenu",
	+ name = function()
	+ local kernels = core.kernelList();
	+ if #kernels == 0 then
	+ return "Kernels (not available)";
	+ end
	+ return color.highlight("K").."ernels";
	+ end,
	+ submenu = function()
	+
	+ -- dynamically build the kernel menu:
	+ local kernels = core.kernelList();
	+ for k, v in ipairs(kernels) do
	+ menu.kernel_options[#menu.kernel_options + 1] = {
	+ entry_type = "entry",
	+ name = function()
	+ return v;
	+ end,
	+ func = function()
	+ config.reload(v);
	+ end,
	+ alias = {} -- automatically enumerated
	+ }
	+ end
	+
	+ return menu.kernel_options;
	+ end,
	+ alias = {"k", "K"}
	+ },
	+
	+ -- boot options
	+ {
	+ entry_type = "submenu",
	+ name = function()
	+ return "Boot "..color.highlight("O").."ptions";
	+ end,
	+ submenu = function()
	+ return menu.boot_options;
	+ end,
	+ alias = {"o", "O"}
	+ }
	+
	+};
	+
	+function menu.run(m)
	+
	+ if (menu.skip()) then
	+ core.autoboot();
	+ return false;
	+ end
	+
	+ if (m == nil) then
	+ m = menu.welcome;
	+ end
	+
	+ -- redraw screen
	+ screen.clear();
	+ screen.defcursor();
	+ local alias_table = drawer.drawscreen(m);
	+
	+-- menu.autoboot();
	+
	+ cont = true;
	+ while cont do
	+ local key = string.char(io.getchar());
	+
	+ -- check to see if key is an alias
	+ local sel_entry = nil;
	+ for k, v in pairs(alias_table) do
	+ if (key == k) then
	+ sel_entry = v;
	+ end
	+ end
	+
	+ -- if we have an alias do the assigned action:
	+ if(sel_entry ~= nil) then
	+ if (sel_entry.entry_type == "entry") then
	+ -- run function
	+ sel_entry.func();
	+ elseif (sel_entry.entry_type == "submenu") then
	+ -- recurse
	+ cont = menu.run(sel_entry.submenu());
	+ elseif (sel_entry.entry_type == "return") then
	+ -- break recurse
	+ cont = false;
	+ end
	+ -- if we got an alias key the screen is out of date:
	+ screen.clear();
	+ screen.defcursor();
	+ alias_table = drawer.drawscreen(m);
	+ end
	+ end
	+
	+ if (m == menu.welcome) then
	+ screen.defcursor();
	+ print("Exiting menu!");
	+ return false;
	+ end
	+
	+ return true;
	+end
	+
	+function menu.skip()
	+ if core.bootserial() then
	+ return true;
	+ end
	+ local c = string.lower(loader.getenv("console") or "");
	+ if (c:match("^efi[ ;]") or c:match("[ ;]efi[ ;]")) ~= nil then
	+ return true;
	+ end
	+
	+ c = string.lower(loader.getenv("beastie_disable") or "");
	+ print("beastie_disable", c);
	+ return c == "yes";
	+end
	+
	+function menu.autoboot()
	+ if menu.already_autoboot == true then
	+ return;
	+ end
	+ menu.already_autoboot = true;
	+
	+ local ab = loader.getenv("autoboot_delay");
	+ if ab == "NO" or ab == "no" then
	+ core.boot();
	+ end
	+ ab = tonumber(ab) or 10;
	+
	+ local x = loader.getenv("loader_menu_timeout_x") or 5;
	+ local y = loader.getenv("loader_menu_timeout_y") or 22;
	+
	+ local endtime = loader.time() + ab;
	+ local time;
	+
	+ repeat
	+ time = endtime - loader.time();
	+ screen.setcursor(x, y);
	+ print("Autoboot in "..time.." seconds, hit [Enter] to boot"
	+ .." or any other key to stop ");
	+ screen.defcursor();
	+ if io.ischar() then
	+ local ch = io.getchar();
	+ if ch == 13 then
	+ break;
	+ else
	+ -- prevent autoboot when escaping to interpreter
	+ loader.setenv("autoboot_delay", "NO");
	+ -- erase autoboot msg
	+ screen.setcursor(0, y);
	+ print(" "
	+ .." ");
	+ screen.defcursor();
	+ return;
	+ end
	+ end
	+
	+ loader.delay(50000);
	+ until time <= 0
	+ core.boot();
	+
	+end
	+
	+function OnOff(str, b)
	+ if (b) then
	+ return str .. color.escapef(color.GREEN).."On"..color.escapef(color.WHITE);
	+ else
	+ return str .. color.escapef(color.RED).."off"..color.escapef(color.WHITE);
	+ end
	+end
	+
	+return menu
	Index: stand/lua/password.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/password.lua
	@@ -0,0 +1,85 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local password = {};
	+
	+local core = require("core");
	+local screen = require("screen");
	+
	+function password.read()
	+ local str = "";
	+ local n = 0;
	+
	+ repeat
	+ ch = io.getchar();
	+ if ch == 13 then
	+ break;
	+ end
	+
	+ if ch == 8 then
	+ if n > 0 then
	+ n = n - 1;
	+ -- loader.printc("\008 \008");
	+ str = string.sub(str, 1, n);
	+ end
	+ else
	+ -- loader.printc("*");
	+ str = str .. string.char(ch);
	+ n = n + 1;
	+ end
	+ until n == 16
	+ return str;
	+end
	+
	+function password.check()
	+ screen.defcursor();
	+ local function compare(prompt, pwd)
	+ if (pwd == nil) then
	+ return;
	+ end
	+ while true do
	+ loader.printc(prompt);
	+ if (pwd == password.read()) then
	+ break;
	+ end
	+ print("\n\nloader: incorrect password!\n");
	+ loader.delay(310001000);
	+ end
	+ end
	+
	+ local boot_pwd = loader.getenv("bootlock_password");
	+ compare("Boot password: ", boot_pwd);
	+
	+ local pwd = loader.getenv("password");
	+ if (pwd ~=nil) then
	+ core.autoboot();
	+ end
	+ compare("Password: ", pwd);
	+end
	+
	+return password
	Index: stand/lua/screen.lua
	===================================================================
	--- /dev/null
	+++ stand/lua/screen.lua
	@@ -0,0 +1,73 @@
	+--
	+-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
	+-- All rights reserved.
	+--
	+-- Redistribution and use in source and binary forms, with or without
	+-- modification, are permitted provided that the following conditions
	+-- are met:
	+-- 1. Redistributions of source code must retain the above copyright
	+-- notice, this list of conditions and the following disclaimer.
	+-- 2. Redistributions in binary form must reproduce the above copyright
	+-- notice, this list of conditions and the following disclaimer in the
	+-- documentation and/or other materials provided with the distribution.
	+--
	+-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	+-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	+-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	+-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	+-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	+-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	+-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	+-- SUCH DAMAGE.
	+--
	+-- $FreeBSD$
	+--
	+
	+local screen = {};
	+
	+local color = require("color");
	+local core = require("core");
	+
	+function screen.clear()
	+ if core.bootserial() then
	+ return;
	+ end
	+ loader.printc("\027[H\027[J");
	+end
	+
	+function screen.setcursor(x, y)
	+ if core.bootserial() then
	+ return;
	+ end
	+ loader.printc("\027["..y..";"..x.."H");
	+end
	+
	+function screen.setforeground(c)
	+ if color.disabled then
	+ return c;
	+ end
	+ loader.printc("\027[3"..c.."m");
	+end
	+
	+function screen.setbackground(c)
	+ if color.disabled then
	+ return c;
	+ end
	+ loader.printc("\027[4"..c.."m");
	+end
	+
	+function screen.defcolor()
	+ loader.printc(color.default());
	+end
	+
	+function screen.defcursor()
	+ if core.bootserial() then
	+ return;
	+ end
	+ loader.printc("\027[25;0H");
	+end
	+
	+return screen

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