Index: head/stand/lua/color.lua =================================================================== --- head/stand/lua/color.lua (revision 329640) +++ head/stand/lua/color.lua (revision 329641) @@ -1,98 +1,99 @@ -- -- Copyright (c) 2015 Pedro Souza -- 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 = require("core"); local color = {}; +-- Module exports 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.isSerialBoot()); 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: head/stand/lua/config.lua =================================================================== --- head/stand/lua/config.lua (revision 329640) +++ head/stand/lua/config.lua (revision 329641) @@ -1,437 +1,439 @@ -- -- Copyright (c) 2015 Pedro Souza -- Copyright (C) 2018 Kyle Evans -- 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 = {}; --- Which variables we changed -config.env_changed = {}; --- Values to restore env to (nil to unset) -config.env_restore = {}; local modules = {}; -function config.restoreEnv() - for k, v in pairs(config.env_changed) do - local restore_value = config.env_restore[k]; - if (restore_value ~= nil) then - loader.setenv(k, restore_value); - else - loader.unsetenv(k); - end - end - - config.env_changed = {}; - config.env_restore = {}; -end - -function config.setenv(k, v) - -- Do we need to track this change? - if (config.env_changed[k] == nil) then - config.env_changed[k] = true; - config.env_restore[k] = loader.getenv(k); - end - - return loader.setenv(k, v); -end - -function config.setKey(k, n, v) - if (modules[k] == nil) then - modules[k] = {}; - end - modules[k][n] = v; -end - -function config.lsModules() - print("== Listing modules"); - for k, v in pairs(modules) do - print(k, v.load); - end - print("== List of modules ended"); -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 = v:upper(); 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 = "^%s*exec%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 (config.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 (config.setenv(k, v) ~= 0) then print("Failed to set '" .. k .. "' with value: " .. v .. ""); end end } }; +-- Module exports +-- Which variables we changed +config.env_changed = {}; +-- Values to restore env to (nil to unset) +config.env_restore = {}; + +function config.restoreEnv() + for k, v in pairs(config.env_changed) do + local restore_value = config.env_restore[k]; + if (restore_value ~= nil) then + loader.setenv(k, restore_value); + else + loader.unsetenv(k); + end + end + + config.env_changed = {}; + config.env_restore = {}; +end + +function config.setenv(k, v) + -- Do we need to track this change? + if (config.env_changed[k] == nil) then + config.env_changed[k] = true; + config.env_restore[k] = loader.getenv(k); + end + + return loader.setenv(k, v); +end + +function config.setKey(k, n, v) + if (modules[k] == nil) then + modules[k] = {}; + end + modules[k][n] = v; +end + +function config.lsModules() + print("== Listing modules"); + for k, v in pairs(modules) do + print(k, v.load); + end + print("== List of modules ended"); +end + + function config.isValidComment(c) if (c ~= nil) then local s = c:match("^%s*#.*"); if (s == nil) then s = c:match("^%s*$"); end if (s == nil) then return false; end end return true; end function config.loadmod(mod, silent) local status = true; for k, v in pairs(mod) do if (v.load == "YES") then local str = "load "; if (v.flags ~= nil) then str = str .. v.flags .. " "; end if (v.type ~= nil) then str = str .. "-t " .. v.type .. " "; end if (v.name ~= nil) then str = str .. v.name; else str = str .. k; end if (v.before ~= nil) then if (loader.perform(v.before) ~= 0) then if (not silent) then print("Failed to execute '" .. v.before .. "' before loading '" .. k .. "'"); end status = false; end end if (loader.perform(str) ~= 0) then if (not silent) then print("Failed to execute '" .. str .. "'"); end if (v.error ~= nil) then loader.perform(v.error); end status = false; end if (v.after ~= nil) then if (loader.perform(v.after) ~= 0) then if (not silent) then print("Failed to execute '" .. v.after .. "' after loading '" .. k .. "'"); end status = false; end end else -- if not silent then -- print("Skiping module '". . k .. "'"); -- end end end return status; end function config.parse(name, silent) local f = io.open(name); if (f == nil) then if (not silent) then print("Failed to open config: '" .. name .. "'"); end return false; end local text; local r; text, r = io.read(f); if (text == nil) then if (not silent) then print("Failed to read config: '" .. name .. "'"); end return false; end local n = 1; local status = true; for line in text:gmatch("([^\n]+)") do if (line:match("^%s*$") == nil) then local found = false; for i, val in ipairs(pattern_table) do local k, v, c = line:match(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 -- other_kernel is optionally the name of a kernel to load, if not the default -- or autoloaded default from the module_path function config.loadkernel(other_kernel) local flags = loader.getenv("kernel_options") or ""; local kernel = other_kernel or 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 (bootfile == nil) 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 -- Default kernel is loaded config.kernel_loaded = nil; return true; else print("No kernel set, failed to load from module_path"); return false; end else -- Use our cached module_path, so we don't end up with multiple -- automatically added kernel paths to our final module_path local module_path = config.module_path; local res = nil; if (other_kernel ~= nil) then kernel = other_kernel; end -- 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 config.kernel_loaded = kernel; if (module_path ~= nil) then loader.setenv("module_path", v .. ";" .. module_path); end return true; end end -- failed to load with ${kernel} as a directory -- try as a file res = try_load(kernel); if (res ~= nil) then config.kernel_loaded = kernel; return true; else print("Failed to load kernel '" .. kernel .. "'"); return false; end end end function config.selectkernel(kernel) config.kernel_selected = kernel; 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 f:gmatch("([%w%p]+)%s*") do if (not config.parse(name)) then -- print("Failed to parse configuration: '" .. -- name .. "'"); end end end -- Cache the provided module_path at load time for later use config.module_path = loader.getenv("module_path"); end -- Reload configuration function config.reload(file) modules = {}; config.restoreEnv(); config.load(file); end function config.loadelf() local kernel = config.kernel_loaded or config.kernel_selected; local loaded = false; print("Loading kernel..."); loaded = config.loadkernel(kernel); if (not loaded) then loaded = config.loadkernel(); end if (not loaded) then -- Ultimately failed to load kernel print("Failed to load any kernel"); return; end print("Loading configured modules..."); if (not config.loadmod(modules)) then print("Could not load one or more modules!"); end end - return config; Index: head/stand/lua/core.lua =================================================================== --- head/stand/lua/core.lua (revision 329640) +++ head/stand/lua/core.lua (revision 329641) @@ -1,240 +1,241 @@ -- -- Copyright (c) 2015 Pedro Souza -- 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 = require('config'); local core = {}; +-- Module exports -- Commonly appearing constants core.KEY_BACKSPACE = 8; core.KEY_ENTER = 13; core.KEY_DELETE = 127; core.KEYSTR_ESCAPE = "\027"; core.MENU_RETURN = "return"; core.MENU_ENTRY = "entry"; core.MENU_SEPARATOR = "separator"; core.MENU_SUBMENU = "submenu"; core.MENU_CAROUSEL_ENTRY = "carousel_entry"; 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.getACPIPresent(checkingSystemDefaults) local c = loader.getenv("hint.acpi.0.rsdp"); if (c ~= nil) then if (checkingSystemDefaults == true) then return true; end -- Otherwise, respect disabled if it's set c = loader.getenv("hint.acpi.0.disabled"); return (c == nil) or (tonumber(c) ~= 1); end return false; 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 unique = {}; local i = 0; if (k ~= nil) then i = i + 1; kernels[i] = k; unique[k] = true; end for n in v:gmatch("([^; ]+)[; ]?") do if (unique[n] == nil) then i = i + 1; kernels[i] = n; unique[n] = true; end end -- Automatically detect other bootable kernel directories using a -- heuristic. Any directory in /boot that contains an ordinary file -- named "kernel" is considered eligible. for file in lfs.dir("/boot") do local fname = "/boot/" .. file; if (file == "." or file == "..") then goto continue; end if (lfs.attributes(fname, "mode") ~= "directory") then goto continue; end if (lfs.attributes(fname .. "/kernel", "mode") ~= "file") then goto continue; end if (unique[file] == nil) then i = i + 1; kernels[i] = file; unique[file] = true; end ::continue:: end return kernels; end function core.setDefaults() core.setACPI(core.getACPIPresent(true)); core.setSafeMode(false); core.setSingleUser(false); core.setVerbose(false); end function core.autoboot() config.loadelf(); loader.perform("autoboot"); end function core.boot() config.loadelf(); loader.perform("boot"); end function core.isSingleUserBoot() local single_user = loader.getenv("boot_single"); return single_user ~= nil and single_user:lower() == "yes"; end function core.isSerialBoot() 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 -- This may be a better candidate for a 'utility' module. function core.shallowCopyTable(tbl) local new_tbl = {}; for k, v in pairs(tbl) do if (type(v) == "table") then new_tbl[k] = core.shallowCopyTable(v); else new_tbl[k] = v; end end return new_tbl; end -- On i386, hint.acpi.0.rsdp will be set before we're loaded. On !i386, it will -- generally be set upon execution of the kernel. Because of this, we can't (or -- don't really want to) detect/disable ACPI on !i386 reliably. Just set it -- enabled if we detect it and leave well enough alone if we don't. if (core.getACPIPresent(false)) then core.setACPI(true); end return core; Index: head/stand/lua/drawer.lua =================================================================== --- head/stand/lua/drawer.lua (revision 329640) +++ head/stand/lua/drawer.lua (revision 329641) @@ -1,380 +1,381 @@ -- -- Copyright (c) 2015 Pedro Souza -- Copyright (c) 2018 Kyle Evans -- 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 = require("color"); local core = require("core"); local screen = require("screen"); local drawer = {}; local fbsd_logo; local beastie_color; local beastie; local fbsd_logo_v; local orb; local none; local none_shifted = false; local menu_entry_name = function(drawing_menu, entry) local name_handler = drawer.menu_name_handlers[entry.entry_type]; if (name_handler ~= nil) then return name_handler(drawing_menu, entry); end return entry.name(); end local shift_brand_text = function(shift) drawer.brand_position.x = drawer.brand_position.x + shift.x; drawer.brand_position.y = drawer.brand_position.y + shift.y; drawer.menu_position.x = drawer.menu_position.x + shift.x; drawer.menu_position.y = drawer.menu_position.y + shift.y; drawer.box_pos_dim.x = drawer.box_pos_dim.x + shift.x; drawer.box_pos_dim.y = drawer.box_pos_dim.y + shift.y; end -drawer.menu_name_handlers = { - -- Menu name handlers should take the menu being drawn and entry being - -- drawn as parameters, and return the name of the item. - -- This is designed so that everything, including menu separators, may - -- have their names derived differently. The default action for entry - -- types not specified here is to call and use entry.name(). - [core.MENU_CAROUSEL_ENTRY] = function(drawing_menu, entry) - local carid = entry.carousel_id; - local caridx = menu.getCarouselIndex(carid); - local choices = entry.items(); - - if (#choices < caridx) then - caridx = 1; - end - return entry.name(caridx, choices[caridx], choices); - end, -}; - -drawer.brand_position = {x = 2, y = 1}; -drawer.logo_position = {x = 46, y = 1}; -drawer.menu_position = {x = 6, y = 11}; -drawer.box_pos_dim = {x = 3, y = 10, w = 41, h = 11}; - fbsd_logo = { " ______ ____ _____ _____ ", " | ____| | _ \\ / ____| __ \\ ", " | |___ _ __ ___ ___ | |_) | (___ | | | |", " | ___| '__/ _ \\/ _ \\| _ < \\___ \\| | | |", " | | | | | __/ __/| |_) |____) | |__| |", " | | | | | | || | | |", " |_| |_| \\___|\\___||____/|_____/|_____/ " }; 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" }; beastie = { " , ,", " /( )`", " \\ \\___ / |", " /- _ `-/ '", " (/\\/ \\ \\ /\\", " / / | ` \\", " O O ) / |", " `-^--'`< '", " (_.) _ ) /", " `.___/` /", " `-----' /", " <----. __ / __ \\", " <----|====O)))==) \\) /====|", " <----' `--' `.__,' \\", " | |", " \\ / /\\", " ______( (_ / \\______/", " ,' ,-----' |", " `--{__________)" }; fbsd_logo_v = { " ______", " | ____| __ ___ ___ ", " | |__ | '__/ _ \\/ _ \\", " | __|| | | __/ __/", " | | | | | | |", " |_| |_| \\___|\\___|", " ____ _____ _____", " | _ \\ / ____| __ \\", " | |_) | (___ | | | |", " | _ < \\___ \\| | | |", " | |_) |____) | |__| |", " | | | |", " |____/|_____/|_____/" }; 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" }; orb = { " ``` `", " s` `.....---.......--.``` -/", " +o .--` /y:` +.", " yo`:. :o `+-", " y/ -/` -o/", " .- ::/sy+:.", " / `-- /", " `: :`", " `: :`", " / /", " .- -.", " -- -.", " `:` `:`", " .-- `--.", " .---.....----." }; none = {""}; + +-- Module exports +drawer.menu_name_handlers = { + -- Menu name handlers should take the menu being drawn and entry being + -- drawn as parameters, and return the name of the item. + -- This is designed so that everything, including menu separators, may + -- have their names derived differently. The default action for entry + -- types not specified here is to call and use entry.name(). + [core.MENU_CAROUSEL_ENTRY] = function(drawing_menu, entry) + local carid = entry.carousel_id; + local caridx = menu.getCarouselIndex(carid); + local choices = entry.items(); + + if (#choices < caridx) then + caridx = 1; + end + return entry.name(caridx, choices[caridx], choices); + end, +}; + +drawer.brand_position = {x = 2, y = 1}; +drawer.logo_position = {x = 46, y = 1}; +drawer.menu_position = {x = 6, y = 11}; +drawer.box_pos_dim = {x = 3, y = 10, w = 41, h = 11}; drawer.branddefs = { -- Indexed by valid values for loader_brand in loader.conf(5). Valid -- keys are: graphic (table depicting graphic) ["fbsd"] = { graphic = fbsd_logo, }, ["none"] = { graphic = none, }, }; drawer.logodefs = { -- Indexed by valid values for loader_logo in loader.conf(5). Valid keys -- are: requires_color (boolean), graphic (table depicting graphic), and -- shift (table containing x and y). ["beastie"] = { requires_color = true, graphic = beastie_color, }, ["beastiebw"] = { graphic = beastie, }, ["fbsdbw"] = { graphic = fbsd_logo_v, shift = {x = 5, y = 4}, }, ["orb"] = { requires_color = true, graphic = orb_color, shift = {x = 2, y = 4}, }, ["orbbw"] = { graphic = orb, shift = {x = 2, y = 4}, }, ["tribute"] = { graphic = fbsd_logo, }, ["tributebw"] = { graphic = fbsd_logo, }, ["none"] = { graphic = none, shift = {x = 17, y = 0}, }, }; 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; local menu_entries = m.entries; if (type(menu_entries) == "function") then menu_entries = menu_entries(); end for line_num, e in ipairs(menu_entries) do -- Allow menu items to be conditionally visible by specifying -- a visible function. if (e.visible ~= nil) and (not e.visible()) then goto continue; end if (e.entry_type ~= core.MENU_SEPARATOR) then entry_num = entry_num + 1; screen.setcursor(x, y + line_num); print(entry_num .. ". " .. menu_entry_name(m, e)); -- fill the alias table alias_table[tostring(entry_num)] = e; if (e.alias ~= nil) then for n, a in ipairs(e.alias) do alias_table[a] = e; end end else screen.setcursor(x, y + line_num); print(menu_entry_name(m, e)); end ::continue:: 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")) or drawer.brand_position.x; local y = tonumber(loader.getenv("loader_brand_y")) or drawer.brand_position.y; local graphic = drawer.branddefs[loader.getenv("loader_brand")]; if (graphic == nil) then graphic = fbsd_logo; end drawer.draw(x, y, graphic); end function drawer.drawlogo() local x = tonumber(loader.getenv("loader_logo_x")) or drawer.logo_position.x; local y = tonumber(loader.getenv("loader_logo_y")) or drawer.logo_position.y; local logo = loader.getenv("loader_logo"); local colored = color.isEnabled(); -- Lookup local logodef = drawer.logodefs[logo]; if (logodef ~= nil) and (logodef.graphic == none) then -- centre brand and text if no logo if (not none_shifted) then shift_brand_text(logodef.shift); none_shifted = true; end elseif (logodef == nil) or (logodef.graphic == nil) or ((not colored) and logodef.requires_color) then -- Choose a sensible default if (colored) then logodef = drawer.logodefs["orb"]; else logodef = drawer.logodefs["orbbw"]; end end if (logodef.shift ~= nil) then x = x + logodef.shift.x; y = y + logodef.shift.y; end drawer.draw(x, y, logodef.graphic); end return drawer; Index: head/stand/lua/menu.lua =================================================================== --- head/stand/lua/menu.lua (revision 329640) +++ head/stand/lua/menu.lua (revision 329641) @@ -1,474 +1,474 @@ -- -- Copyright (c) 2015 Pedro Souza -- Copyright (C) 2018 Kyle Evans -- 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 = require("core"); local color = require("color"); local config = require("config"); local screen = require("screen"); local drawer = require("drawer"); local menu = {}; local skip; local run; local autoboot; local carousel_choices = {}; local OnOff = function(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 - +-- Module exports menu.handlers = { -- Menu handlers take the current menu and selected entry as parameters, -- and should return a boolean indicating whether execution should -- continue or not. The return value may be omitted if this entry should -- have no bearing on whether we continue or not, indicating that we -- should just continue after execution. [core.MENU_ENTRY] = function(current_menu, entry) -- run function entry.func(); end, [core.MENU_CAROUSEL_ENTRY] = function(current_menu, entry) -- carousel (rotating) functionality local carid = entry.carousel_id; local caridx = menu.getCarouselIndex(carid); local choices = entry.items(); if (#choices > 0) then caridx = (caridx % #choices) + 1; menu.setCarouselIndex(carid, caridx); entry.func(caridx, choices[caridx], choices); end end, [core.MENU_SUBMENU] = function(current_menu, entry) -- recurse return menu.run(entry.submenu()); end, [core.MENU_RETURN] = function(current_menu, entry) -- allow entry to have a function/side effect if (entry.func ~= nil) then entry.func(); end return false; end, }; -- loader menu tree is rooted at menu.welcome menu.boot_options = { entries = { -- return to welcome menu { entry_type = core.MENU_RETURN, name = function() return "Back to main menu" .. color.highlight(" [Backspace]"); end }, -- load defaults { entry_type = core.MENU_ENTRY, name = function() return "Load System " .. color.highlight("D") .. "efaults"; end, func = function() core.setDefaults(); end, alias = {"d", "D"} }, { entry_type = core.MENU_SEPARATOR, name = function() return ""; end }, { entry_type = core.MENU_SEPARATOR, name = function() return "Boot Options:"; end }, -- acpi { entry_type = core.MENU_ENTRY, name = function() return OnOff(color.highlight("A") .. "CPI :", core.acpi); end, func = function() core.setACPI(); end, alias = {"a", "A"} }, -- safe mode { entry_type = core.MENU_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 = core.MENU_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 = core.MENU_ENTRY, name = function() return OnOff(color.highlight("V") .. "erbose :", core.verbose); end, func = function() core.setVerbose(); end, alias = {"v", "V"} }, }, }; menu.welcome = { entries = function() local menu_entries = menu.welcome.all_entries; -- Swap the first two menu items on single user boot if (core.isSingleUserBoot()) then -- We'll cache the swapped menu, for performance if (menu.welcome.swapped_menu ~= nil) then return menu.welcome.swapped_menu; end -- Shallow copy the table menu_entries = core.shallowCopyTable(menu_entries); -- Swap the first two menu entries menu_entries[1], menu_entries[2] = menu_entries[2], menu_entries[1]; -- Then set their names to their alternate names menu_entries[1].name, menu_entries[2].name = menu_entries[1].alternate_name, menu_entries[2].alternate_name; menu.welcome.swapped_menu = menu_entries; end return menu_entries; end, all_entries = { -- boot multi user { entry_type = core.MENU_ENTRY, name = function() return color.highlight("B") .. "oot Multi user " .. color.highlight("[Enter]"); end, -- Not a standard menu entry function! alternate_name = function() return color.highlight("B") .. "oot Multi user"; end, func = function() core.setSingleUser(false); core.boot(); end, alias = {"b", "B"} }, -- boot single user { entry_type = core.MENU_ENTRY, name = function() return "Boot " .. color.highlight("S") .. "ingle user"; end, -- Not a standard menu entry function! alternate_name = function() return "Boot " .. color.highlight("S") .. "ingle user " .. color.highlight("[Enter]"); end, func = function() core.setSingleUser(true); core.boot(); end, alias = {"s", "S"} }, -- escape to interpreter { entry_type = core.MENU_RETURN, name = function() return color.highlight("Esc") .. "ape to loader prompt"; end, func = function() loader.setenv("autoboot_delay", "NO"); end, alias = {core.KEYSTR_ESCAPE} }, -- reboot { entry_type = core.MENU_ENTRY, name = function() return color.highlight("R") .. "eboot"; end, func = function() loader.perform("reboot"); end, alias = {"r", "R"} }, { entry_type = core.MENU_SEPARATOR, name = function() return ""; end }, { entry_type = core.MENU_SEPARATOR, name = function() return "Options:"; end }, -- kernel options { entry_type = core.MENU_CAROUSEL_ENTRY, carousel_id = "kernel", items = core.kernelList, name = function(idx, choice, all_choices) if (#all_choices == 0) then return "Kernel: "; end local is_default = (idx == 1); local kernel_name = ""; local name_color; if (is_default) then name_color = color.escapef(color.GREEN); kernel_name = "default/"; else name_color = color.escapef(color.BLUE); end kernel_name = kernel_name .. name_color .. choice .. color.default(); return color.highlight("K") .. "ernel: " .. kernel_name .. " (" .. idx .. " of " .. #all_choices .. ")"; end, func = function(idx, choice, all_choices) config.selectkernel(choice); end, alias = {"k", "K"} }, -- boot options { entry_type = core.MENU_SUBMENU, name = function() return "Boot " .. color.highlight("O") .. "ptions"; end, submenu = function() return menu.boot_options; end, alias = {"o", "O"} }, }, }; -- The first item in every carousel is always the default item. function menu.getCarouselIndex(id) local val = carousel_choices[id]; if (val == nil) then return 1; end return val; end function menu.setCarouselIndex(id, idx) carousel_choices[id] = idx; end 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 = io.getchar(); -- Special key behaviors if ((key == core.KEY_BACKSPACE) or (key == core.KEY_DELETE)) and (m ~= menu.welcome) then break; elseif (key == core.KEY_ENTER) then core.boot(); -- Should not return end key = string.char(key) -- 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 -- Get menu handler local handler = menu.handlers[sel_entry.entry_type]; if (handler ~= nil) then -- The handler's return value indicates whether -- we need to exit this menu. An omitted return -- value means "continue" by default. cont = handler(m, sel_entry); if (cont == nil) then cont = true; end 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!"); config.loadelf(); return false; end return true; end function menu.skip() if (core.isSerialBoot()) 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 ~= nil) and (ab:lower() == "no") then return; elseif (tonumber(ab) == -1) 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 == core.KEY_ENTER) then break; else -- erase autoboot msg screen.setcursor(0, y); print(" " .. " "); screen.defcursor(); return; end end loader.delay(50000); until time <= 0; core.boot(); end return menu; Index: head/stand/lua/password.lua =================================================================== --- head/stand/lua/password.lua (revision 329640) +++ head/stand/lua/password.lua (revision 329641) @@ -1,101 +1,102 @@ -- -- Copyright (c) 2015 Pedro Souza -- Copyright (C) 2018 Kyle Evans -- 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 = require("core"); local screen = require("screen"); local password = {}; +-- Module exports function password.read() local str = ""; local n = 0; repeat ch = io.getchar(); if (ch == core.KEY_ENTER) then break; end -- XXX TODO: Evaluate if we really want this or not, as a -- security consideration of sorts if (ch == core.KEY_BACKSPACE) or (ch == core.KEY_DELETE) then if (n > 0) then n = n - 1; -- loader.printc("\008 \008"); str = str:sub(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.clear(); screen.defcursor(); -- pwd is optionally supplied if we want to check it local function do_prompt(prompt, pwd) while (true) do loader.printc(prompt); local read_pwd = password.read(); if (not pwd) or (pwd == read_pwd) then -- Throw an extra newline after password prompt print(""); return read_pwd; end print("\n\nloader: incorrect password!\n"); loader.delay(3*1000*1000); end end local function compare(prompt, pwd) if (pwd == nil) then return; end do_prompt(prompt, pwd); end local boot_pwd = loader.getenv("bootlock_password"); compare("Boot password: ", boot_pwd); local geli_prompt = loader.getenv("geom_eli_passphrase_prompt"); if (geli_prompt ~= nil) and (geli_prompt:lower() == "yes") then local passphrase = do_prompt("GELI Passphrase: "); loader.setenv("kern.geom.eli.passphrase", passphrase); end local pwd = loader.getenv("password"); if (pwd ~= nil) then core.autoboot(); end compare("Password: ", pwd); end return password; Index: head/stand/lua/screen.lua =================================================================== --- head/stand/lua/screen.lua (revision 329640) +++ head/stand/lua/screen.lua (revision 329641) @@ -1,85 +1,86 @@ -- -- Copyright (c) 2015 Pedro Souza -- 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 = require("color"); local core = require("core"); local screen = {}; -- XXX TODO: This should be fixed in the interpreter to not print decimals local intstring = function(num) local str = tostring(num); local decimal = str:find("%."); if (decimal) then return str:sub(1, decimal - 1); end return str; end +-- Module exports function screen.clear() if (core.isSerialBoot()) then return; end loader.printc("\027[H\027[J"); end function screen.setcursor(x, y) if (core.isSerialBoot()) then return; end loader.printc("\027[" .. intstring(y) .. ";" .. intstring(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.isSerialBoot()) then return; end loader.printc("\027[25;0H"); end return screen;