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  1. false
  2. {
  3.   [ "/kernel/common/xwos/modules/sandbox/timers.lua" ] = {
  4.     "--    This file is part of xwos.",
  5.     "--",
  6.     "--    xwos is free software: you can redistribute it and/or modify",
  7.     "--    it under the terms of the GNU General Public License as published by",
  8.     "--    the Free Software Foundation, either version 3 of the License, or",
  9.     "--    (at your option) any later version.",
  10.     "--",
  11.     "--    xwos is distributed in the hope that it will be useful,",
  12.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  13.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  14.     "--    GNU General Public License for more details.",
  15.     "--",
  16.     "--    You should have received a copy of the GNU General Public License",
  17.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  18.     "",
  19.     "-----------------------",
  20.     "-- @module xwos.modules.sandbox.timers",
  21.     "local M = {}",
  22.     "",
  23.     "local kernel -- xwos.kernel#xwos.kernel",
  24.     "",
  25.     "-----------------------",
  26.     "-- injects the kernel",
  27.     "-- @function [parent=#xwos.modules.sandbox.timers] setKernel",
  28.     "-- @param xwos.kernel#xwos.kernel k the kernel",
  29.     "M.setKernel = function(k)",
  30.     "    kernel = k",
  31.     "end -- function setKernel",
  32.     "",
  33.     "-------------------------------",
  34.     "-- creates a new timer",
  35.     "-- @function [parent=#xwos.modules.sandbox.timers] new",
  36.     "-- @param #number id the timer number",
  37.     "-- @param xwos.processes#xwos.process proc",
  38.     "-- @return #xwos.timer",
  39.     "M.new = function(id, proc)",
  40.     "    --------------------------------",
  41.     "    -- timer type",
  42.     "    -- @type xwos.timer",
  43.     "    local R = {}",
  44.     "    ",
  45.     "    --------------------------------",
  46.     "    -- @field [parent=#xwos.timer] #number id the timer id",
  47.     "    R.id = id",
  48.     "    ",
  49.     "    --------------------------------",
  50.     "    -- @field [parent=#xwos.timer] #number id the timer id",
  51.     "    R.proc = proc",
  52.     "    ",
  53.     "    --------------------------------",
  54.     "    -- Remove the timer from timer table",
  55.     "    -- @function [parent=#xwos.timer] remove",
  56.     "    R.remove = function()",
  57.     "        M[R.id] = nil",
  58.     "    end -- function remove",
  59.     "    ",
  60.     "    -- TODO remove discarded timers on process termination",
  61.     "    ",
  62.     "    -- store timer",
  63.     "    M[R.id] = R",
  64.     "                    ",
  65.     "    return R",
  66.     "end -- function new",
  67.     "",
  68.     "return M",
  69.   },
  70.   [ "/kernel/common/xwos/modules/security/init.lua" ] = {
  71.     "--    This file is part of xwos.",
  72.     "--",
  73.     "--    xwos is free software: you can redistribute it and/or modify",
  74.     "--    it under the terms of the GNU General Public License as published by",
  75.     "--    the Free Software Foundation, either version 3 of the License, or",
  76.     "--    (at your option) any later version.",
  77.     "--",
  78.     "--    xwos is distributed in the hope that it will be useful,",
  79.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  80.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  81.     "--    GNU General Public License for more details.",
  82.     "--",
  83.     "--    You should have received a copy of the GNU General Public License",
  84.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  85.     "",
  86.     "-----------------------",
  87.     "-- @module xwos.modules.security",
  88.     "local M = {}",
  89.     "",
  90.     "local kernel -- xwos.kernel#xwos.kernel",
  91.     "",
  92.     "local function crProfile(name)",
  93.     "    -----------------------",
  94.     "    -- Security profile",
  95.     "    -- @type secprofile",
  96.     "    local R = {}",
  97.     "    ",
  98.     "    -----------------------",
  99.     "    -- Returns the profile name",
  100.     "    -- @function [parent=#secprofile] name",
  101.     "    -- @return #string profile name",
  102.     "    R.name = function()",
  103.     "        return name",
  104.     "    end -- function name",
  105.     "    ",
  106.     "    -----------------------",
  107.     "    -- Checks if access to given api method is granted",
  108.     "    -- @function [parent=#secprofile] checkApi",
  109.     "    -- @return #string api",
  110.     "    -- @return #string method",
  111.     "    R.checkApi = function(api, method)",
  112.     "        return true -- TODO some meaningful implementation",
  113.     "    end -- function checkApi",
  114.     "    ",
  115.     "    -----------------------",
  116.     "    -- Checks if access to given acl node is granted",
  117.     "    -- @function [parent=#secprofile] checkAccess",
  118.     "    -- @return #string aclKey",
  119.     "    R.checkAccess = function(aclKey)",
  120.     "        return true -- TODO some meaningful implementation",
  121.     "    end -- function checkAccess",
  122.     "    return R",
  123.     "end -- function crProfile",
  124.     "",
  125.     "local profiles = {",
  126.     "    root = crProfile(\"root\"),",
  127.     "    admin = crProfile(\"admin\"),",
  128.     "    user = crProfile(\"user\"),",
  129.     "    guest = crProfile(\"guest\")",
  130.     "}",
  131.     "",
  132.     "---------------------------------",
  133.     "-- @function [parent=#xwos.modules.security] preboot",
  134.     "-- @param xwos.kernel#xwos.kernel k",
  135.     "M.preboot = function(k)",
  136.     "    k.debug(\"preboot security\")",
  137.     "    kernel = k",
  138.     "end -- function preboot",
  139.     "",
  140.     "---------------------------------",
  141.     "-- @function [parent=#xwos.modules.security] boot",
  142.     "-- @param xwos.kernel#xwos.kernel k",
  143.     "M.boot = function(k)",
  144.     "    k.debug(\"boot security\")",
  145.     "end -- function boot",
  146.     "",
  147.     "---------------------------------",
  148.     "-- returns a security profile with given name",
  149.     "-- @function [parent=#xwos.modules.security] profile",
  150.     "-- @param #string name",
  151.     "-- @return #secprofile",
  152.     "M.profile = function(name)",
  153.     "    return profiles[name]",
  154.     "end -- function boot",
  155.     "",
  156.     "---------------------------------",
  157.     "-- Creates a new security profile with given name",
  158.     "-- @function [parent=#xwos.modules.security] profile",
  159.     "-- @param #string name",
  160.     "-- @return #secprofile",
  161.     "M.createProfile = function(name)",
  162.     "    -- TODO some meaningful implementation",
  163.     "    local res = profiles[name]",
  164.     "    if res == nil then",
  165.     "        res = crProfile(name)",
  166.     "        profiles[name] = res",
  167.     "    end -- if profile",
  168.     "    return res",
  169.     "end -- function createProfile",
  170.     "",
  171.     "return M",
  172.   },
  173.   [ "/kernel/common/xwos/modules/sandbox/evqueue.lua" ] = {
  174.     "--    This file is part of xwos.",
  175.     "--",
  176.     "--    xwos is free software: you can redistribute it and/or modify",
  177.     "--    it under the terms of the GNU General Public License as published by",
  178.     "--    the Free Software Foundation, either version 3 of the License, or",
  179.     "--    (at your option) any later version.",
  180.     "--",
  181.     "--    xwos is distributed in the hope that it will be useful,",
  182.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  183.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  184.     "--    GNU General Public License for more details.",
  185.     "--",
  186.     "--    You should have received a copy of the GNU General Public License",
  187.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  188.     "",
  189.     "-----------------------",
  190.     "-- @module xwos.modules.sandbox.evqueue",
  191.     "local M = {}",
  192.     "",
  193.     "local kernel -- xwos.kernel#xwos.kernel",
  194.     "",
  195.     "local originsert = table.insert",
  196.     "",
  197.     "-----------------------",
  198.     "-- injects the kernel",
  199.     "-- @function [parent=#xwos.modules.sandbox.evqueue] setKernel",
  200.     "-- @param xwos.kernel#xwos.kernel k the kernel",
  201.     "M.setKernel = function(k)",
  202.     "    kernel = k",
  203.     "end -- function setKernel",
  204.     "",
  205.     "-----------------------",
  206.     "-- Process and distribute event from event queue (part of pullEvent etc.)",
  207.     "-- @function [parent=#xwos.modules.sandbox.evqueue] processEvt",
  208.     "-- @param #number lpid the local pid for logging",
  209.     "-- @param xwos.process#xwos.process proc the process invoking this method; may be nil for kernel process",
  210.     "-- @param #table event the event to deliver",
  211.     "-- @param #string filter optional filter passed to pullEvent",
  212.     "M.processEvt = function(lpid, proc, event, filter)",
  213.     "    if event[1] == nil then",
  214.     "        return nil",
  215.     "    end -- if event",
  216.     "    kernel.debug(\"[PID\"..lpid..\"] got event \", kernel.oldGlob.unpack(event))",
  217.     "    ",
  218.     "    if kernel.eventLog then",
  219.     "        -- TODO are we able to pass non serializable data through events?",
  220.     "        -- this may cause problems at this point",
  221.     "        local str = kernel.oldGlob.os.day() .. \"-\" .. kernel.oldGlob.os.time() \" EVENT: \".. kernel.oldGlob.textutils.serialize(event)",
  222.     "        local f = kernel.oldGlob.fs.open(\"/core/log/event-log.txt\", kernel.oldGlob.fs.exists(\"/core/log/event-log.txt\") and \"a\" or \"w\")",
  223.     "        f.writeLine(str)",
  224.     "        f.close()",
  225.     "    end -- if eventLog",
  226.     "    ",
  227.     "    local consumed = false",
  228.     "    ",
  229.     "    if event[1] == \"timer\" then",
  230.     "        local timer = kernel.modules.instances.sandbox.timers[event[2]]",
  231.     "        if timer ~= nil then",
  232.     "            if timer.proc == proc then",
  233.     "                if filter == nil or event[1]==filter then",
  234.     "                    kernel.debug(\"[PID\"..lpid..\"] returning event \", kernel.oldGlob.unpack(event))",
  235.     "                    return event",
  236.     "                else -- if filter",
  237.     "                    kernel.debug(\"[PID\"..lpid..\"] discard event because of filter\", kernel.oldGlob.unpack(event))",
  238.     "                    consumed = true",
  239.     "                end -- if filter",
  240.     "            else -- if proc",
  241.     "                kernel.debug(\"[PID\"..lpid..\"] queue event for distribution to pid \"..timer.proc.pid, kernel.oldGlob.unpack(event))",
  242.     "                originsert(timer.proc.evqueue, event)",
  243.     "                timer.proc.wakeup()",
  244.     "                consumed = true",
  245.     "            end -- if not proc",
  246.     "        end -- if timer",
  247.     "        -- fallthrough: distribute unknown timer event to all processes",
  248.     "    end -- if timer",
  249.     "    ",
  250.     "    if event[1] == \"xwos_wakeup\" then",
  251.     "        consumed = true",
  252.     "        kernel.debug(\"[PID\"..lpid..\"] wakeup received\")",
  253.     "        if event[2] ~= lpid then",
  254.     "            kernel.debug(\"[PID\"..lpid..\"] wrong pid, redistribute\")",
  255.     "            kernel.oldGlob.os.queueEvent(kernel.oldGlob.unpack(event))",
  256.     "        end -- if pid",
  257.     "    end -- if xwos_wakeup",
  258.     "    ",
  259.     "    if event[1] == \"xwos_terminate\" then",
  260.     "        consumed = true",
  261.     "        kernel.debug(\"[PID\"..lpid..\"] terminate received\")",
  262.     "        if event[2] ~= lpid then",
  263.     "            kernel.debug(\"[PID\"..lpid..\"] wrong pid, redistribute\")",
  264.     "            kernel.oldGlob.os.queueEvent(kernel.oldGlob.unpack(event))",
  265.     "        else -- if pid",
  266.     "            kernel.oldGlob.error('requesting process termination')",
  267.     "        end -- if pid",
  268.     "    end -- if xwos_terminate",
  269.     "    ",
  270.     "    if event[1] == \"xwos_terminated\" then",
  271.     "        consumed = true",
  272.     "        kernel.debug(\"[PID\"..lpid..\"] terminated received\")",
  273.     "        if filter == \"xwos_terminated\" then",
  274.     "            kernel.debug(\"[PID\"..lpid..\"] returning event \", kernel.oldGlob.unpack(event))",
  275.     "            return event",
  276.     "        end -- if filter",
  277.     "        for k, v in kernel.oldGlob.pairs(kernel.processes) do",
  278.     "            if kernel.oldGlob.type(v) == \"table\" and v.pid == event[2] and v.joined > 0 then",
  279.     "                kernel.debug(\"[PID\"..lpid..\"] redistributing to all other processes because at least one process called join of \"..v.pid)",
  280.     "                        ",
  281.     "                for k2, v2 in kernel.oldGlob.pairs(kernel.processes) do",
  282.     "                    if kernel.oldGlob.type(v2) == \"table\" and v2 ~= proc and v2.procstate~= \"finished\" then",
  283.     "                        kernel.debug(\"[PID\"..lpid..\"] redistributing because at least one process called join of \"..v2.pid)",
  284.     "                        originsert(v2.evqueue, event)",
  285.     "                        v2.wakeup()",
  286.     "                    end --",
  287.     "                end -- for processes",
  288.     "            end --",
  289.     "        end -- for processes",
  290.     "    end -- if xwos_terminated",
  291.     "    ",
  292.     "    if event[1] == \"char\" or event[1] == \"key\" or event[1] == \"paste\" or event[1] == \"key_up\" then",
  293.     "        consumed = true",
  294.     "        kernel.debug(\"[PID\"..lpid..\"] user input received\")",
  295.     "        if kernel.modules.instances.sandbox.procinput.current.proc ~= nil then",
  296.     "            kernel.debug(\"[PID\"..lpid..\"] queue event for distribution to user input pid \"..kernel.modules.instances.sandbox.procinput.current.proc.pid)",
  297.     "            originsert(kernel.modules.instances.sandbox.procinput.current.proc.evqueue, event)",
  298.     "            kernel.modules.instances.sandbox.procinput.current.proc.wakeup()",
  299.     "        else",
  300.     "            -- TODO what to do with input if no one likes it?",
  301.     "            -- think about special key bindings fetched from background processes",
  302.     "            -- currently we silently discard that kind of input",
  303.     "        end -- ",
  304.     "    end -- if char",
  305.     "    ",
  306.     "    -- distribute event to all processes",
  307.     "    if not consumed then",
  308.     "        for k, v in kernel.oldGlob.pairs(kernel.processes) do",
  309.     "            if kernel.oldGlob.type(v) == \"table\" and v.procstate ~= \"finished\" then",
  310.     "                kernel.debug(\"[PID\"..lpid..\"] queue event for distribution to all pids \"..v.pid, kernel.oldGlob.unpack(event))",
  311.     "                originsert(v.evqueue, event)",
  312.     "                v.wakeup()",
  313.     "            end -- if not finished",
  314.     "        end -- for processes",
  315.     "    end -- if consumed",
  316.     "    ",
  317.     "    return nil",
  318.     "end -- function processEvt",
  319.     "",
  320.     "return M",
  321.   },
  322.   [ "/kernel/common/xwos/test2.lua" ] = {
  323.     "--    This file is part of xwos.",
  324.     "--",
  325.     "--    xwos is free software: you can redistribute it and/or modify",
  326.     "--    it under the terms of the GNU General Public License as published by",
  327.     "--    the Free Software Foundation, either version 3 of the License, or",
  328.     "--    (at your option) any later version.",
  329.     "--",
  330.     "--    xwos is distributed in the hope that it will be useful,",
  331.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  332.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  333.     "--    GNU General Public License for more details.",
  334.     "--",
  335.     "--    You should have received a copy of the GNU General Public License",
  336.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  337.     "",
  338.     "local a = function()",
  339.     "            print(\"a\")",
  340.     "        end",
  341.     "        a()",
  342.   },
  343.   [ "/kernel/common/xwos/test.lua" ] = {
  344.     "--    This file is part of xwos.",
  345.     "--",
  346.     "--    xwos is free software: you can redistribute it and/or modify",
  347.     "--    it under the terms of the GNU General Public License as published by",
  348.     "--    the Free Software Foundation, either version 3 of the License, or",
  349.     "--    (at your option) any later version.",
  350.     "--",
  351.     "--    xwos is distributed in the hope that it will be useful,",
  352.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  353.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  354.     "--    GNU General Public License for more details.",
  355.     "--",
  356.     "--    You should have received a copy of the GNU General Public License",
  357.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  358.     "",
  359.     "require('/rom/xwos/kernel/common/xwos/test2')",
  360.     "        print(\"foo\")",
  361.   },
  362.   [ "/kernel/common/xwos/modulesmgr.lua" ] = {
  363.     "--    This file is part of xwos.",
  364.     "--",
  365.     "--    xwos is free software: you can redistribute it and/or modify",
  366.     "--    it under the terms of the GNU General Public License as published by",
  367.     "--    the Free Software Foundation, either version 3 of the License, or",
  368.     "--    (at your option) any later version.",
  369.     "--",
  370.     "--    xwos is distributed in the hope that it will be useful,",
  371.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  372.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  373.     "--    GNU General Public License for more details.",
  374.     "--",
  375.     "--    You should have received a copy of the GNU General Public License",
  376.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  377.     "",
  378.     "local kernel -- xwos.kernel#xwos.kernel",
  379.     "local moduleOrder = {}",
  380.     "",
  381.     "--------------------------------",
  382.     "-- local kernel modules",
  383.     "-- @type xwos.modulesmgr",
  384.     "local M = {}",
  385.     "",
  386.     "-------------------------------",
  387.     "-- the module instances",
  388.     "-- @type xwos.modulesmgr.instances",
  389.     "-- @field [parent=#xwos.modulesmgr] #xwos.modulesmgr.instances instances",
  390.     "M.instances = {}",
  391.     "",
  392.     "-------------------------------",
  393.     "-- sandbox kernel module",
  394.     "-- @field [parent=#xwos.modulesmgr.instances] xwos.modulesmgr.sandbox#xwos.modulesmgr.sandbox sandbox",
  395.     "",
  396.     "-------------------------------",
  397.     "-- security kernel module",
  398.     "-- @field [parent=#xwos.modulesmgr.instances] xwos.modulesmgr.security#xwos.modulesmgr.security security",
  399.     "",
  400.     "--------------------------------",
  401.     "-- @function [parent=#xwos.modulesmgr] preboot",
  402.     "-- @param xwos.kernel#xwos.kernel k the kernel",
  403.     "M.preboot = function(k)",
  404.     "    kernel = k",
  405.     "    -- load settings with kernel module boot order",
  406.     "    moduleOrder = kernel.require(\"moduleOrder\")",
  407.     "    -- helper to load kernel modules from given directory",
  408.     "    local loadKernelModules = function(dir)",
  409.     "        local path = dir .. \"/xwos/modules\"",
  410.     "        kernel.debug(\"loading kernel modules from \" .. path)",
  411.     "        if kernel.oldGlob.fs.isDir(path) then",
  412.     "            for i, v in kernel.oldGlob.pairs(kernel.oldGlob.fs.list(path)) do",
  413.     "                kernel.debug(\"loading kernel module from \" .. path .. \"/\" .. v)",
  414.     "                M.instances[v] = kernel.oldGlob.require(path .. \"/\" .. v)",
  415.     "            end -- for list",
  416.     "        end -- if isdir",
  417.     "    end --  function loadKernelModules",
  418.     "  ",
  419.     "    -- load kernel modules",
  420.     "    for k, v in kernel.oldGlob.pairs(kernel.kernelpaths) do",
  421.     "        loadKernelModules(v)",
  422.     "    end -- for kernelpaths",
  423.     "",
  424.     "    for i, v in pairs(moduleOrder) do",
  425.     "        if M.instances[v] ~= nil then",
  426.     "            kernel.debug(\"preboot kernel module\",v)",
  427.     "            M.instances[v].preboot(kernel)",
  428.     "        end -- if exists",
  429.     "    end -- for moduleOrder",
  430.     "    for i, v in pairs(M.instances) do",
  431.     "        if not table.contains(moduleOrder, i) then",
  432.     "            kernel.debug(\"preboot kernel module\",v)",
  433.     "            v.preboot(kernel)",
  434.     "        end -- if not contains",
  435.     "    end -- for modules",
  436.     "end -- function preboot",
  437.     "",
  438.     "--------------------------------",
  439.     "-- @function [parent=#xwos.modulesmgr] boot",
  440.     "-- @param xwos.kernel#xwos.kernel k the kernel",
  441.     "M.boot = function(k)",
  442.     "    for i, v in pairs(moduleOrder) do",
  443.     "        if M.instances[v] ~= nil then",
  444.     "            kernel.debug(\"boot kernel module\",v)",
  445.     "            M.instances[v].boot(kernel)",
  446.     "        end -- if exists",
  447.     "    end -- for moduleOrder",
  448.     "    for i, v in pairs(M.instances) do",
  449.     "        if not table.contains(moduleOrder, i) then",
  450.     "            kernel.debug(\"boot kernel module\",v)",
  451.     "            v.boot(kernel)",
  452.     "        end -- if not contains",
  453.     "    end -- for modules",
  454.     "end -- function preboot",
  455.     "",
  456.     "return M",
  457.   },
  458.   [ "/kernel/common/xwos/startup.lua" ] = {
  459.     "--    This file is part of xwos.",
  460.     "--",
  461.     "--    xwos is free software: you can redistribute it and/or modify",
  462.     "--    it under the terms of the GNU General Public License as published by",
  463.     "--    the Free Software Foundation, either version 3 of the License, or",
  464.     "--    (at your option) any later version.",
  465.     "--",
  466.     "--    xwos is distributed in the hope that it will be useful,",
  467.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  468.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  469.     "--    GNU General Public License for more details.",
  470.     "--",
  471.     "--    You should have received a copy of the GNU General Public License",
  472.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  473.     "",
  474.     "--------------------------------",
  475.     "-- Default startup script",
  476.     "-- @module xwos.startup",
  477.     "local M = {}",
  478.     "",
  479.     "-------------------",
  480.     "-- The installer",
  481.     "-- @function [parent=#xwos.startup] run",
  482.     "-- @param xwos.kernel#xwos.kernel kernel the kernel reference",
  483.     "M.installer = function(kernel)",
  484.     "    local installerData = { lang = nil }",
  485.     "    print()",
  486.     "    print(\"starting installer...\")",
  487.     "    ",
  488.     "    kernel.print(\"read: \", read)",
  489.     "    kernel.print(\"read0: \", getfenv(0).read)",
  490.     "    kernel.print(\"read1: \", getfenv(1).read)",
  491.     "    kernel.print(\"read6: \", getfenv(6).read)",
  492.     "    kernel.print(\"read7: \", getfenv(7).read)",
  493.     "    kernel.print(\"read8: \", getfenv(8).read)",
  494.     "    print()",
  495.     "    print(\"********* XW-OS ********** INSTALLER\")",
  496.     "    local langs = {",
  497.     "        \"en\" -- TODO support language packs",
  498.     "    }",
  499.     "    while installerData.lang == nil do",
  500.     "      print(\"\")",
  501.     "      print(\"Choose your language:\")",
  502.     "      local input = read()",
  503.     "      if table.contains(langs, input) then",
  504.     "          installerData.lang = input",
  505.     "      else -- if contains",
  506.     "          print(\"Invalid language. Currently supported: \")",
  507.     "          for k, v in pairs(langs) do",
  508.     "              write(v)",
  509.     "              write(\" \")",
  510.     "          end -- for langs",
  511.     "          print(\"\")",
  512.     "      end -- if not contains",
  513.     "    end -- while not lang",
  514.     "    ",
  515.     "    local admin = {}",
  516.     "    print(\"\")",
  517.     "    print(\"Enter your administrators email address:\")",
  518.     "    admin.mail = read()",
  519.     "    print(\"\")",
  520.     "    print(\"Enter your administrators login name:\")",
  521.     "    admin.login = read()",
  522.     "    while admin.pass == nil do",
  523.     "        print(\"\")",
  524.     "        print(\"Enter your administrators password:\")",
  525.     "        local pass1 = read()",
  526.     "        print(\"\")",
  527.     "        print(\"Retype your administrators password:\")",
  528.     "        local pass2 = read()",
  529.     "        ",
  530.     "        if pass1 ~= pass2 then",
  531.     "            print(\"\")",
  532.     "            print(\"The passwords do not match...\")",
  533.     "        else -- if not pass equals",
  534.     "            admin.pass = pass1",
  535.     "        end -- if pass equals",
  536.     "    end -- while not pass",
  537.     "    ",
  538.     "    local user = {}",
  539.     "    print(\"\")",
  540.     "    print(\"Enter your users email address:\")",
  541.     "    user.mail = read()",
  542.     "    print(\"\")",
  543.     "    print(\"Enter your users login name:\")",
  544.     "    user.login = read()",
  545.     "    while user.pass == nil do",
  546.     "        print(\"\")",
  547.     "        print(\"Enter your users password:\")",
  548.     "        local pass1 = read()",
  549.     "        print(\"\")",
  550.     "        print(\"Retype your users password:\")",
  551.     "        local pass2 = read()",
  552.     "        ",
  553.     "        if pass1 ~= pass2 then",
  554.     "            print(\"\")",
  555.     "            print(\"The passwords do not match...\")",
  556.     "        else -- if not pass equals",
  557.     "            user.pass = pass1",
  558.     "        end -- if pass equals",
  559.     "    end -- while not pass",
  560.     "    ",
  561.     "    print(\"\")",
  562.     "    print(\"\")",
  563.     "    print(\"***** starting installation\")",
  564.     "    print(\"\")",
  565.     "    print(\"Creating root...\")",
  566.     "    local proot = kernel.modules.security.createProfile(\"root\")",
  567.     "    print(\"Creating administrator...\")",
  568.     "    local padmin = kernel.modules.security.createProfile(\"admin\")",
  569.     "    print(\"Creating user...\")",
  570.     "    local puser = kernel.modules.security.createProfile(\"user\")",
  571.     "    print(\"Creating guest (inactive)...\")",
  572.     "    local pguest = kernel.modules.security.createProfile(\"guest\")",
  573.     "    ",
  574.     "    -- TODO start gui on primary terminal",
  575.     "    -- TODO create a wizard",
  576.     "    ",
  577.     "    -- TODO failing installer should set kernel.shutdown = true",
  578.     "    ",
  579.     "    kernel.writeSecureData('core/install.dat', textutils.serialize(installerData))",
  580.     "end -- function installer",
  581.     "",
  582.     "-------------------",
  583.     "-- The login processing",
  584.     "-- @function [parent=#xwos.startup] run",
  585.     "-- @param #string installData",
  586.     "-- @param xwos.kernel#xwos.kernel kernel the kernel reference",
  587.     "M.login = function(installData, kernel)",
  588.     "    print()",
  589.     "    print(\"starting login...\")",
  590.     "    ",
  591.     "    -- for gui see http://harryfelton.web44.net/titanium/guide/download",
  592.     "    -- lua minifier: https://gitlab.com/hbomb79/Titanium/blob/develop/bin/Minify.lua",
  593.     "    ",
  594.     "    -- TODO start gui on primary terminal",
  595.     "end -- function installer",
  596.     "",
  597.     "-------------------",
  598.     "-- Startup processing script",
  599.     "-- @function [parent=#xwos.startup] run",
  600.     "-- @param xwos.kernel#xwos.kernel kernel the kernel reference",
  601.     "M.run = function(kernel)",
  602.     "    local installData = kernel.readSecureData('core/install.dat')",
  603.     "    kernel.debug(\"[start] checking installation\")",
  604.     "    if installData == nil then",
  605.     "        kernel.debug(\"[start] starting installer\")",
  606.     "        M.installer(kernel)",
  607.     "    end -- if not installed",
  608.     "    ",
  609.     "    while not kernel.shutdown do",
  610.     "        kernel.debug(\"[start] starting login\")",
  611.     "        M.login(textutils.unserialize(installData), kernel)",
  612.     "    end -- while not shutdown",
  613.     "end -- function run",
  614.     "",
  615.     "return M",
  616.   },
  617.   [ "/kernel/1/8/moduleOrder.lua" ] = {
  618.     "--    This file is part of xwos.",
  619.     "--",
  620.     "--    xwos is free software: you can redistribute it and/or modify",
  621.     "--    it under the terms of the GNU General Public License as published by",
  622.     "--    the Free Software Foundation, either version 3 of the License, or",
  623.     "--    (at your option) any later version.",
  624.     "--",
  625.     "--    xwos is distributed in the hope that it will be useful,",
  626.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  627.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  628.     "--    GNU General Public License for more details.",
  629.     "--",
  630.     "--    You should have received a copy of the GNU General Public License",
  631.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  632.     "",
  633.     "return {",
  634.     " \"sandbox\",",
  635.     " \"security\"",
  636.     "}",
  637.   },
  638.   [ "/kernel/common/xwos/kernel.lua" ] = {
  639.     "--    This file is part of xwos.",
  640.     "--",
  641.     "--    xwos is free software: you can redistribute it and/or modify",
  642.     "--    it under the terms of the GNU General Public License as published by",
  643.     "--    the Free Software Foundation, either version 3 of the License, or",
  644.     "--    (at your option) any later version.",
  645.     "--",
  646.     "--    xwos is distributed in the hope that it will be useful,",
  647.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  648.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  649.     "--    GNU General Public License for more details.",
  650.     "--",
  651.     "--    You should have received a copy of the GNU General Public License",
  652.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  653.     "",
  654.     "local origGetfenv = getfenv",
  655.     "local origSetfenv = setfenv",
  656.     "local origsetmeta = setmetatable",
  657.     "local origtype = type",
  658.     "local origpairs = pairs",
  659.     "local origload = load",
  660.     "local origpcall = pcall",
  661.     "local origprint = print",
  662.     "local origtostring = tostring",
  663.     "",
  664.     "local origTable = table",
  665.     "table = {}",
  666.     "for k,v in origpairs(origTable) do",
  667.     "    table[k] = v",
  668.     "end -- for table",
  669.     "",
  670.     "-------------------------------------",
  671.     "-- Creates a new clone; only first level of table will be cloned, no deep clone; no metadata clone",
  672.     "-- @function [parent=#table] clone",
  673.     "-- @param #table src",
  674.     "-- @return #table new copy",
  675.     "table.clone = function(src)",
  676.     "    local r = {}",
  677.     "    for k, v in origpairs(src) do",
  678.     "        r[k] = v",
  679.     "    end -- for src",
  680.     "    return r",
  681.     "end -- function table.clone",
  682.     "",
  683.     "-------------------------------------",
  684.     "-- @function [parent=#table] contains",
  685.     "-- @param #table haystack",
  686.     "-- @param #any needle",
  687.     "-- @return #boolean success",
  688.     "table.contains = function(haystack, needle)",
  689.     "    for k, v in origpairs(haystack) do",
  690.     "        if (v == needle) then",
  691.     "            return true",
  692.     "        end -- if equals",
  693.     "    end -- for haystack",
  694.     "    return false",
  695.     "end -- function table.contains",
  696.     "",
  697.     "-------------------------------------",
  698.     "-- @function [parent=#table] indexOf",
  699.     "-- @param #table haystack",
  700.     "-- @param #any needle",
  701.     "-- @return #number index of given element or nil if not found",
  702.     "table.indexOf = function(haystack, needle)",
  703.     "    for k, v in origpairs(haystack) do",
  704.     "        if (v == needle) then",
  705.     "            return k",
  706.     "        end -- if equals",
  707.     "    end -- for haystack",
  708.     "    return nil",
  709.     "end -- function table.indexOf",
  710.     "",
  711.     "-------------------------------------",
  712.     "-- @function [parent=#table] removeValue",
  713.     "-- @param #table haystack",
  714.     "-- @param #any needle",
  715.     "-- @return #boolean true if element was found and removed",
  716.     "table.removeValue = function(haystack, needle)",
  717.     "    for k, v in origpairs(haystack) do",
  718.     "        if (v == needle) then",
  719.     "            haystack[k] = nil",
  720.     "            return true",
  721.     "        end -- if equals",
  722.     "    end -- for haystack",
  723.     "    return false",
  724.     "end -- function table.removeValue",
  725.     "",
  726.     "-------------------------------------",
  727.     "-- @function [parent=#table] containsKey",
  728.     "-- @param #table haystack",
  729.     "-- @param #any needle",
  730.     "-- @return #boolean success",
  731.     "table.containsKey = function(haystack, needle)",
  732.     "    return haystack[needle] ~= nil",
  733.     "end -- function table.containsKey",
  734.     "",
  735.     "--------------------------------",
  736.     "-- local kernel",
  737.     "-- @type xwos.kernel",
  738.     "local M = {}",
  739.     "",
  740.     "local bootSequence = {",
  741.     "    debug = function()",
  742.     "        M.kernelDebug = true",
  743.     "        M.print(\"activating kernel debug mode...\")",
  744.     "    end, -- function debug",
  745.     "    ",
  746.     "    eventLog = function()",
  747.     "        M.eventLog = true",
  748.     "        M.print(\"activating kernel event log...\")",
  749.     "    end -- function eventLog",
  750.     "}",
  751.     "",
  752.     "--------------------------------",
  753.     "-- Boot kernel",
  754.     "-- @function [parent=#xwos.kernel] boot",
  755.     "-- @param #string ver kernel version number",
  756.     "-- @param #table kernelpaths the paths to look for kernel files",
  757.     "-- @param #function krequire require function to include kernel files",
  758.     "-- @param global#global args the command line arguments",
  759.     "M.boot = function(ver, kernelpaths, krequire, oldGlob, args)",
  760.     "    --------------------------------",
  761.     "    -- @field [parent=#xwos.kernel] #table kernelpaths the paths for including kernel",
  762.     "    M.kernelpaths = kernelpaths",
  763.     "    --------------------------------",
  764.     "    -- @field [parent=#xwos.kernel] #string version the kernel version",
  765.     "    M.version = ver",
  766.     "    --------------------------------",
  767.     "    -- @field [parent=#xwos.kernel] #table the built in environment factories (installed from modules)",
  768.     "    M.envFactories = {}",
  769.     "    --------------------------------",
  770.     "    -- @field [parent=#xwos.kernel] global#global oldGlob the old globals",
  771.     "    M.oldGlob = oldGlob -- TODO type (global#global) does not work?",
  772.     "    M.oldGlob._ENV = nil",
  773.     "    --M.oldGlob.package = nil",
  774.     "    M.oldGlob._G = nil",
  775.     "    M.oldGlob.shell = nil",
  776.     "    M.oldGlob.multishell = nil",
  777.     "    --------------------------------",
  778.     "    -- @field [parent=#xwos.kernel] #table args the command line args invoking the kernel",
  779.     "    M.args = args or {}",
  780.     "",
  781.     "    -------------------------------",
  782.     "    -- @field [parent=#xwos.kernel] #boolean kernelDebug true for kernel debugging; activated through script invocation/argument (\"xwos debug\")",
  783.     "    M.kernelDebug = false",
  784.     "",
  785.     "    -------------------------------",
  786.     "    -- @field [parent=#xwos.kernel] #boolean eventLog true for event logging; activated through script invocation/argument (\"xwos eventLog\")",
  787.     "    M.eventLog = false",
  788.     "    ",
  789.     "    -- parse arguments",
  790.     "    for i, v in origpairs(M.args) do",
  791.     "        if bootSequence[v] ~= nil then",
  792.     "            bootSequence[v]()",
  793.     "        else -- exists",
  794.     "            M.print(\"Ignoring unknown argument \" .. v)",
  795.     "        end -- not exists",
  796.     "    end -- for arg",
  797.     "    ",
  798.     "    --------------------------------",
  799.     "    -- Require for kernel scripts",
  800.     "    -- @function [parent=#xwos.kernel] require",
  801.     "    -- @param #string path the path",
  802.     "    M.require = krequire",
  803.     "    ",
  804.     "    M.debug(\"loading process management\")",
  805.     "    --------------------------------",
  806.     "    -- @field [parent=#xwos.kernel] xwos.processes#xwos.processes processes the known xwos processes",
  807.     "    M.processes = M.require('xwos/processes')",
  808.     "    ",
  809.     "    M.debug(\"loading module management\")",
  810.     "    --------------------------------",
  811.     "    -- @field [parent=#xwos.kernel] xwos.modulesmgr#xwos.modulesmgr modules the kernel modules",
  812.     "    M.modules = M.require('xwos/modulesmgr')",
  813.     "    ",
  814.     "    M.debug(\"booting modules\")",
  815.     "    M.modules.preboot(M)",
  816.     "    M.modules.boot(M)",
  817.     "    ",
  818.     "    --------------------------------",
  819.     "    -- @field [parent=#xwos.kernel] #global nenv the new environment for processes",
  820.     "    M.nenv = {}",
  821.     "    M.debug(\"preparing sandbox for root process\", M.nenv)",
  822.     "    local nenvmt = {",
  823.     "        __index = function(table, key)",
  824.     "            local e = origGetfenv(0)",
  825.     "            if (e == M.nenv) then return nil end",
  826.     "            return e[key]",
  827.     "        end -- function __index",
  828.     "    }",
  829.     "    origsetmeta(M.nenv, nenvmt)",
  830.     "    origSetfenv(nenvmt.__index, M.nenv)",
  831.     "    local function wrapfenv(table, env, blacklist)",
  832.     "        local R = {}",
  833.     "        for k,v in origpairs(table) do",
  834.     "            local t = origtype(v)",
  835.     "            if t == \"function\" then",
  836.     "                if blacklist[k] == nil then",
  837.     "                    R[k] = origGetfenv(v)",
  838.     "                    -- print(\"setfenv\", k, R[k])",
  839.     "                    origpcall(origSetfenv, v, env) -- pcall because changing internal functions will fail (silently ingore it)",
  840.     "                end -- if blacklist",
  841.     "            end -- if function",
  842.     "            if t == \"table\" and blacklist[k] ~= \"*\" then",
  843.     "                -- print(\"setfenv table \", k)",
  844.     "                R[k] = wrapfenv(v, env, blacklist[k] or {})",
  845.     "            end -- if table",
  846.     "        end -- for table",
  847.     "        return R",
  848.     "    end -- function wrapfenv",
  849.     "    --------------------------------",
  850.     "    -- @field [parent=#xwos.kernel] #table oldfenv the old fenv for global functions",
  851.     "    M.oldfenv = wrapfenv(oldGlob, M.nenv, {",
  852.     "        getfenv=true,",
  853.     "        setfenv=true,",
  854.     "        shell={run=true, clearAlias=true, dir=true, getRunningProgram=true},",
  855.     "        package=\"*\",",
  856.     "        bit32={bxor=true},",
  857.     "        redstone={getBundledOutput=true}",
  858.     "    })",
  859.     "    M.debug(\"boot finished\")",
  860.     "end -- function boot",
  861.     "",
  862.     "--------------------------------",
  863.     "-- Startup xwos",
  864.     "-- @function [parent=#xwos.kernel] startup",
  865.     "M.startup = function()",
  866.     "    local nenv = {}",
  867.     "    M.debug(\"preparing new environment for root process\", nenv)",
  868.     "    for k,v in origpairs(M.oldGlob) do",
  869.     "        nenv[k] = v",
  870.     "    end -- for oldGlob",
  871.     "    nenv.print = function(...) -- TODO remove",
  872.     "        M.oldGlob.print(\"->\", ...)",
  873.     "    end -- function print",
  874.     "    ",
  875.     "    M.debug(\"creating root process\")",
  876.     "    local proc = M.processes.new(nil, M, nenv, M.envFactories) -- TODO factories from root profile (per profile factories)",
  877.     "    local startupData = M.readSecureData('core/startup.dat', \"/rom/xwos/kernel/common/xwos/testsleep.lua\") -- TODO startup script",
  878.     "    M.debug(\"spawning thread with startup script \" .. startupData)",
  879.     "    proc.spawn(startupData)",
  880.     "    proc.join(nil)",
  881.     "    ",
  882.     "    M.debug(\"cleanup root process sandbox\")",
  883.     "    -- cleanup",
  884.     "    local function unwrapfenv(table, old)",
  885.     "        for k,v in origpairs(table) do",
  886.     "            local t = origtype(v)",
  887.     "            if old[k] ~= nil then",
  888.     "                if t == \"function\" then",
  889.     "                    -- print(\"setfenv\", k, old[k])",
  890.     "                    origpcall(origSetfenv, v, old[k]) -- pcall because changing internal functions will fail (silently ingore it)",
  891.     "                end -- if function",
  892.     "                if t == \"table\" then",
  893.     "                    unwrapfenv(v, old[k])",
  894.     "                end -- if table",
  895.     "            end -- if old",
  896.     "        end -- for table",
  897.     "    end -- function unwrapfenv",
  898.     "    unwrapfenv(M.oldGlob, M.oldfenv)",
  899.     "    ",
  900.     "    table = origTable",
  901.     "    ",
  902.     "    M.debug(\"last actions before shutdown\")",
  903.     "    if proc.result[1] then",
  904.     "        origprint(\"Good bye...\")",
  905.     "    else -- if result",
  906.     "        origprint(\"ERR: \", proc.result[2])",
  907.     "    end -- if result",
  908.     "end -- function startup",
  909.     "",
  910.     "-------------------------------",
  911.     "-- debug log message",
  912.     "-- @function [parent=#xwos.kernel] debug",
  913.     "-- @param ... print message arguments",
  914.     "M.debug = function(...)",
  915.     "    if M.kernelDebug then",
  916.     "        M.print(...)",
  917.     "    end -- if kernelDebug",
  918.     "end -- function debug",
  919.     "",
  920.     "-------------------------------",
  921.     "-- print info message",
  922.     "-- @function [parent=#xwos.kernel] print",
  923.     "-- @param ... print message arguments",
  924.     "M.print = function(...)",
  925.     "    M.oldGlob.print(...) -- TODO wrap to kernel display",
  926.     "    if (M.kernelDebug) then",
  927.     "        local f = M.oldGlob.fs.open(\"/core/log/debug-log.txt\", M.oldGlob.fs.exists(\"/core/log/debug-log.txt\") and \"a\" or \"w\")",
  928.     "        local str = M.oldGlob.os.day()..\"-\"..M.oldGlob.os.time()..\" \"",
  929.     "        for k, v in origpairs({...}) do",
  930.     "            str = str .. origtostring(v) .. \" \"",
  931.     "        end -- for ...",
  932.     "        f.writeLine(str)",
  933.     "        f.close()",
  934.     "    end -- if kernelDebug",
  935.     "end -- function print",
  936.     "",
  937.     "-------------------------------",
  938.     "-- read data file from secured kernel storage",
  939.     "-- @function [parent=#xwos.kernel] readSecureData",
  940.     "-- @param #string path the file to read",
  941.     "-- @param #string def optional default data",
  942.     "-- @return #string the file content or nil if file does not exist",
  943.     "M.readSecureData = function(path, def)",
  944.     "    local f = \"/xwos/private/\" .. path",
  945.     "    if not M.oldGlob.fs.exists(f) then",
  946.     "        return def",
  947.     "    end -- if not exists",
  948.     "    local h = M.oldGlob.fs.open(f, \"r\")",
  949.     "    local res = h.readall()",
  950.     "    h.close()",
  951.     "    return res",
  952.     "end -- function readSecureData",
  953.     "",
  954.     "-------------------------------",
  955.     "-- write data file to secured kernel storage",
  956.     "-- @function [parent=#xwos.kernel] writeSecureData",
  957.     "-- @param #string path the file to write",
  958.     "-- @param #string data new data",
  959.     "M.writeSecureData = function(path, data)",
  960.     "    local f = \"/xwos/private/\" .. path",
  961.     "    local h = M.oldGlob.fs.open(f, \"w\")",
  962.     "    h.write(data)",
  963.     "    h.close()",
  964.     "end -- function readSecureData",
  965.     "",
  966.     "return M",
  967.   },
  968.   [ "/kernel/common/xwos/modules/sandbox/procinput.lua" ] = {
  969.     "--    This file is part of xwos.",
  970.     "--",
  971.     "--    xwos is free software: you can redistribute it and/or modify",
  972.     "--    it under the terms of the GNU General Public License as published by",
  973.     "--    the Free Software Foundation, either version 3 of the License, or",
  974.     "--    (at your option) any later version.",
  975.     "--",
  976.     "--    xwos is distributed in the hope that it will be useful,",
  977.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  978.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  979.     "--    GNU General Public License for more details.",
  980.     "--",
  981.     "--    You should have received a copy of the GNU General Public License",
  982.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  983.     "",
  984.     "-----------------------",
  985.     "-- @module xwos.modules.sandbox.procinput",
  986.     "local M = {}",
  987.     "",
  988.     "local kernel -- xwos.kernel#xwos.kernel",
  989.     "",
  990.     "-- TODO refactor following to some linked stack type",
  991.     "-----------------------",
  992.     "-- @type pinput",
  993.     "",
  994.     "----------------------------------",
  995.     "-- @field [parent=#pinput] #pinput prev the previous input",
  996.     "     ",
  997.     "-----------------------",
  998.     "-- @field [parent=#pinput] xwos.processes#xwos.process proc the input process",
  999.     "",
  1000.     "-----------------------",
  1001.     "-- @field [parent=#xwos.modules.sandbox.procinput] #pinput current the current process input (front process)",
  1002.     "M.current = nil",
  1003.     "",
  1004.     "-----------------------",
  1005.     "-- injects the kernel",
  1006.     "-- @function [parent=#xwos.modules.sandbox.procinput] setKernel",
  1007.     "-- @param xwos.kernel#xwos.kernel k the kernel",
  1008.     "M.setKernel = function(k)",
  1009.     "    kernel = k",
  1010.     "end -- function setKernel",
  1011.     "",
  1012.     "M.acquire = function(proc)",
  1013.     "    -- first invocation has no kernel",
  1014.     "    if kernel ~= nil and proc ~= nil then",
  1015.     "        kernel.debug(\"[PID\"..proc.pid..\"] fetching user input (front process)\")",
  1016.     "    end -- if kernel",
  1017.     "    local r = {}",
  1018.     "    ---------------------",
  1019.     "    -- release input if proc blocks it",
  1020.     "    -- @function [parent=#pinput] release",
  1021.     "    -- @param xwos.processes#xwos.process proc2 process to release the env",
  1022.     "    r.release = function(proc2)",
  1023.     "        if r.proc == proc2 then",
  1024.     "            kernel.debug(\"[PID\"..proc2.pid..\"] releasing user input (front process)\")",
  1025.     "            M.current = r.prev",
  1026.     "            while M.current.proc ~= nil and M.current.proc.procstate == \"finished\" do",
  1027.     "                M.current = M.current.prev",
  1028.     "            end -- while finished",
  1029.     "            if M.current.proc ~= nil then",
  1030.     "                kernel.debug(\"[PID\"..proc2.pid..\"] switched user input to \"..M.current.proc.pid..\" (front process)\")",
  1031.     "            end -- if proc",
  1032.     "        end -- if proc",
  1033.     "    end -- function release",
  1034.     "    r.prev = M.current",
  1035.     "    r.proc = proc",
  1036.     "    M.current = r",
  1037.     "end -- function acquire",
  1038.     "",
  1039.     "M.acquire(nil)",
  1040.     "",
  1041.     "return M",
  1042.   },
  1043.   [ "/kernel/common/xwos/testsleep.lua" ] = {
  1044.     "--    This file is part of xwos.",
  1045.     "--",
  1046.     "--    xwos is free software: you can redistribute it and/or modify",
  1047.     "--    it under the terms of the GNU General Public License as published by",
  1048.     "--    the Free Software Foundation, either version 3 of the License, or",
  1049.     "--    (at your option) any later version.",
  1050.     "--",
  1051.     "--    xwos is distributed in the hope that it will be useful,",
  1052.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  1053.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  1054.     "--    GNU General Public License for more details.",
  1055.     "--",
  1056.     "--    You should have received a copy of the GNU General Public License",
  1057.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  1058.     "",
  1059.     "    local function func1()",
  1060.     "        print(\"[1]pid=\",pid)",
  1061.     "        print(\"[1]Hello World!\")",
  1062.     "        sleep(5)",
  1063.     "        print(\"[1]Hello again\");",
  1064.     "    end",
  1065.     "    local function func2()",
  1066.     "        print(\"[2]pid=\",pid)",
  1067.     "        sleep(5)",
  1068.     "        print(\"[2]Hello World!\")",
  1069.     "        sleep(5)",
  1070.     "        print(\"[2]Hello again\");",
  1071.     "    end",
  1072.     "    print(\"[0]pid=\",pid)",
  1073.     "    local proc1 = xwos.pmr.createThread()",
  1074.     "    local proc2 = xwos.pmr.createThread()",
  1075.     "    proc1.spawn(func1)",
  1076.     "    proc2.spawn(func2)",
  1077.     "    proc1.join()",
  1078.     "    proc2.join()",
  1079.     "    print(\"Ending\")",
  1080.   },
  1081.   [ "/kernel/common/xwos/modules/sandbox/init.lua" ] = {
  1082.     "--    This file is part of xwos.",
  1083.     "--",
  1084.     "--    xwos is free software: you can redistribute it and/or modify",
  1085.     "--    it under the terms of the GNU General Public License as published by",
  1086.     "--    the Free Software Foundation, either version 3 of the License, or",
  1087.     "--    (at your option) any later version.",
  1088.     "--",
  1089.     "--    xwos is distributed in the hope that it will be useful,",
  1090.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  1091.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  1092.     "--    GNU General Public License for more details.",
  1093.     "--",
  1094.     "--    You should have received a copy of the GNU General Public License",
  1095.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  1096.     "",
  1097.     "-----------------------",
  1098.     "-- @module xwos.modules.sandbox",
  1099.     "local M = {}",
  1100.     "",
  1101.     "local kernel -- xwos.kernel#xwos.kernel",
  1102.     "local originsert = table.insert",
  1103.     "",
  1104.     "---------------------------------",
  1105.     "-- @function [parent=#xwos.modules.sandbox] preboot",
  1106.     "-- @param xwos.kernel#xwos.kernel k",
  1107.     "M.preboot = function(k)",
  1108.     "    k.debug(\"preboot sandbox\")",
  1109.     "    kernel = k",
  1110.     "    ",
  1111.     "    -----------------------",
  1112.     "    -- process input type with mapping to previous input",
  1113.     "    -- @field [parent=#xwos.modules.sandbox] xwos.modules.sandbox.procinput#xwos.modules.sandbox.procinput procinput the input process management",
  1114.     "    M.procinput = kernel.require(\"xwos/modules/sandbox/procinput\")",
  1115.     "    M.procinput.setKernel(kernel)",
  1116.     "    ",
  1117.     "    -----------------------",
  1118.     "    -- timers started from processes",
  1119.     "    -- @field [parent=#xwos.modules.sandbox] xwos.modules.sandbox.timers#xwos.modules.sandbox.timers timers the timer management",
  1120.     "    M.timers = kernel.require(\"xwos/modules/sandbox/timers\")",
  1121.     "    M.timers.setKernel(kernel)",
  1122.     "    ",
  1123.     "    -----------------------",
  1124.     "    -- event queue handling",
  1125.     "    -- @field [parent=#xwos.modules.sandbox] xwos.modules.sandbox.evqueue#xwos.modules.sandbox.evqueue evqueue event queue management",
  1126.     "    M.evqueue = kernel.require(\"xwos/modules/sandbox/evqueue\")",
  1127.     "    M.evqueue.setKernel(kernel)",
  1128.     "",
  1129.     "end -- function preboot",
  1130.     "",
  1131.     "----------------------",
  1132.     "-- @param xwos.processes#xwos.process proc the underlying process",
  1133.     "-- @param #global env the global process environment",
  1134.     "local envFactory = function(proc, env)",
  1135.     "    kernel.debug(\"[PID\"..proc.pid..\"] preparing env\", env)",
  1136.     "    env.pid = proc.pid",
  1137.     "",
  1138.     "    -- TODO this is partly original code from bios.",
  1139.     "    -- we need to redeclare it to get into wrapped os.**** methods",
  1140.     "    -- maybe in future we find a solution to not redeclare it here",
  1141.     "    local biosRead = function( _sReplaceChar, _tHistory, _fnComplete, _sDefault )",
  1142.     "        if _sReplaceChar ~= nil and type( _sReplaceChar ) ~= \"string\" then",
  1143.     "            error( \"bad argument #1 (expected string, got \" .. type( _sReplaceChar ) .. \")\", 2 ) ",
  1144.     "        end",
  1145.     "        if _tHistory ~= nil and type( _tHistory ) ~= \"table\" then",
  1146.     "            error( \"bad argument #2 (expected table, got \" .. type( _tHistory ) .. \")\", 2 ) ",
  1147.     "        end",
  1148.     "        if _fnComplete ~= nil and type( _fnComplete ) ~= \"function\" then",
  1149.     "            error( \"bad argument #3 (expected function, got \" .. type( _fnComplete ) .. \")\", 2 ) ",
  1150.     "        end",
  1151.     "        if _sDefault ~= nil and type( _sDefault ) ~= \"string\" then",
  1152.     "            error( \"bad argument #4 (expected string, got \" .. type( _sDefault ) .. \")\", 2 ) ",
  1153.     "        end",
  1154.     "        term.setCursorBlink( true )",
  1155.     "    ",
  1156.     "        local sLine",
  1157.     "        if type( _sDefault ) == \"string\" then",
  1158.     "            sLine = _sDefault",
  1159.     "        else",
  1160.     "            sLine = \"\"",
  1161.     "        end",
  1162.     "        local nHistoryPos",
  1163.     "        local nPos = #sLine",
  1164.     "        if _sReplaceChar then",
  1165.     "            _sReplaceChar = string.sub( _sReplaceChar, 1, 1 )",
  1166.     "        end",
  1167.     "    ",
  1168.     "        local tCompletions",
  1169.     "        local nCompletion",
  1170.     "        local function recomplete()",
  1171.     "            if _fnComplete and nPos == string.len(sLine) then",
  1172.     "                tCompletions = _fnComplete( sLine )",
  1173.     "                if tCompletions and #tCompletions > 0 then",
  1174.     "                    nCompletion = 1",
  1175.     "                else",
  1176.     "                    nCompletion = nil",
  1177.     "                end",
  1178.     "            else",
  1179.     "                tCompletions = nil",
  1180.     "                nCompletion = nil",
  1181.     "            end",
  1182.     "        end",
  1183.     "    ",
  1184.     "        local function uncomplete()",
  1185.     "            tCompletions = nil",
  1186.     "            nCompletion = nil",
  1187.     "        end",
  1188.     "    ",
  1189.     "        local w = term.getSize()",
  1190.     "        local sx = term.getCursorPos()",
  1191.     "    ",
  1192.     "        local function redraw( _bClear )",
  1193.     "            local nScroll = 0",
  1194.     "            if sx + nPos >= w then",
  1195.     "                nScroll = (sx + nPos) - w",
  1196.     "            end",
  1197.     "    ",
  1198.     "            local cx,cy = term.getCursorPos()",
  1199.     "            term.setCursorPos( sx, cy )",
  1200.     "            local sReplace = (_bClear and \" \") or _sReplaceChar",
  1201.     "            if sReplace then",
  1202.     "                term.write( string.rep( sReplace, math.max( string.len(sLine) - nScroll, 0 ) ) )",
  1203.     "            else",
  1204.     "                term.write( string.sub( sLine, nScroll + 1 ) )",
  1205.     "            end",
  1206.     "    ",
  1207.     "            if nCompletion then",
  1208.     "                local sCompletion = tCompletions[ nCompletion ]",
  1209.     "                local oldText, oldBg",
  1210.     "                if not _bClear then",
  1211.     "                    oldText = term.getTextColor()",
  1212.     "                    oldBg = term.getBackgroundColor()",
  1213.     "                    term.setTextColor( colors.white )",
  1214.     "                    term.setBackgroundColor( colors.gray )",
  1215.     "                end",
  1216.     "                if sReplace then",
  1217.     "                    term.write( string.rep( sReplace, string.len( sCompletion ) ) )",
  1218.     "                else",
  1219.     "                    term.write( sCompletion )",
  1220.     "                end",
  1221.     "                if not _bClear then",
  1222.     "                    term.setTextColor( oldText )",
  1223.     "                    term.setBackgroundColor( oldBg )",
  1224.     "                end",
  1225.     "            end",
  1226.     "    ",
  1227.     "            term.setCursorPos( sx + nPos - nScroll, cy )",
  1228.     "        end",
  1229.     "        ",
  1230.     "        local function clear()",
  1231.     "            redraw( true )",
  1232.     "        end",
  1233.     "    ",
  1234.     "        recomplete()",
  1235.     "        redraw()",
  1236.     "    ",
  1237.     "        local function acceptCompletion()",
  1238.     "            if nCompletion then",
  1239.     "                -- Clear",
  1240.     "                clear()",
  1241.     "    ",
  1242.     "                -- Find the common prefix of all the other suggestions which start with the same letter as the current one",
  1243.     "                local sCompletion = tCompletions[ nCompletion ]",
  1244.     "                sLine = sLine .. sCompletion",
  1245.     "                nPos = string.len( sLine )",
  1246.     "    ",
  1247.     "                -- Redraw",
  1248.     "                recomplete()",
  1249.     "                redraw()",
  1250.     "            end",
  1251.     "        end",
  1252.     "        while true do",
  1253.     "            local sEvent, param = os.pullEvent()",
  1254.     "            if sEvent == \"char\" then",
  1255.     "                -- Typed key",
  1256.     "                clear()",
  1257.     "                sLine = string.sub( sLine, 1, nPos ) .. param .. string.sub( sLine, nPos + 1 )",
  1258.     "                nPos = nPos + 1",
  1259.     "                recomplete()",
  1260.     "                redraw()",
  1261.     "    ",
  1262.     "            elseif sEvent == \"paste\" then",
  1263.     "                -- Pasted text",
  1264.     "                clear()",
  1265.     "                sLine = string.sub( sLine, 1, nPos ) .. param .. string.sub( sLine, nPos + 1 )",
  1266.     "                nPos = nPos + string.len( param )",
  1267.     "                recomplete()",
  1268.     "                redraw()",
  1269.     "    ",
  1270.     "            elseif sEvent == \"key\" then",
  1271.     "                if param == keys.enter then",
  1272.     "                    -- Enter",
  1273.     "                    if nCompletion then",
  1274.     "                        clear()",
  1275.     "                        uncomplete()",
  1276.     "                        redraw()",
  1277.     "                    end",
  1278.     "                    break",
  1279.     "                    ",
  1280.     "                elseif param == keys.left then",
  1281.     "                    -- Left",
  1282.     "                    if nPos > 0 then",
  1283.     "                        clear()",
  1284.     "                        nPos = nPos - 1",
  1285.     "                        recomplete()",
  1286.     "                        redraw()",
  1287.     "                    end",
  1288.     "                    ",
  1289.     "                elseif param == keys.right then",
  1290.     "                    -- Right                ",
  1291.     "                    if nPos < string.len(sLine) then",
  1292.     "                        -- Move right",
  1293.     "                        clear()",
  1294.     "                        nPos = nPos + 1",
  1295.     "                        recomplete()",
  1296.     "                        redraw()",
  1297.     "                    else",
  1298.     "                        -- Accept autocomplete",
  1299.     "                        acceptCompletion()",
  1300.     "                    end",
  1301.     "    ",
  1302.     "                elseif param == keys.up or param == keys.down then",
  1303.     "                    -- Up or down",
  1304.     "                    if nCompletion then",
  1305.     "                        -- Cycle completions",
  1306.     "                        clear()",
  1307.     "                        if param == keys.up then",
  1308.     "                            nCompletion = nCompletion - 1",
  1309.     "                            if nCompletion < 1 then",
  1310.     "                                nCompletion = #tCompletions",
  1311.     "                            end",
  1312.     "                        elseif param == keys.down then",
  1313.     "                            nCompletion = nCompletion + 1",
  1314.     "                            if nCompletion > #tCompletions then",
  1315.     "                                nCompletion = 1",
  1316.     "                            end",
  1317.     "                        end",
  1318.     "                        redraw()",
  1319.     "    ",
  1320.     "                    elseif _tHistory then",
  1321.     "                        -- Cycle history",
  1322.     "                        clear()",
  1323.     "                        if param == keys.up then",
  1324.     "                            -- Up",
  1325.     "                            if nHistoryPos == nil then",
  1326.     "                                if #_tHistory > 0 then",
  1327.     "                                    nHistoryPos = #_tHistory",
  1328.     "                                end",
  1329.     "                            elseif nHistoryPos > 1 then",
  1330.     "                                nHistoryPos = nHistoryPos - 1",
  1331.     "                            end",
  1332.     "                        else",
  1333.     "                            -- Down",
  1334.     "                            if nHistoryPos == #_tHistory then",
  1335.     "                                nHistoryPos = nil",
  1336.     "                            elseif nHistoryPos ~= nil then",
  1337.     "                                nHistoryPos = nHistoryPos + 1",
  1338.     "                            end                        ",
  1339.     "                        end",
  1340.     "                        if nHistoryPos then",
  1341.     "                            sLine = _tHistory[nHistoryPos]",
  1342.     "                            nPos = string.len( sLine ) ",
  1343.     "                        else",
  1344.     "                            sLine = \"\"",
  1345.     "                            nPos = 0",
  1346.     "                        end",
  1347.     "                        uncomplete()",
  1348.     "                        redraw()",
  1349.     "    ",
  1350.     "                    end",
  1351.     "    ",
  1352.     "                elseif param == keys.backspace then",
  1353.     "                    -- Backspace",
  1354.     "                    if nPos > 0 then",
  1355.     "                        clear()",
  1356.     "                        sLine = string.sub( sLine, 1, nPos - 1 ) .. string.sub( sLine, nPos + 1 )",
  1357.     "                        nPos = nPos - 1",
  1358.     "                        recomplete()",
  1359.     "                        redraw()",
  1360.     "                    end",
  1361.     "    ",
  1362.     "                elseif param == keys.home then",
  1363.     "                    -- Home",
  1364.     "                    if nPos > 0 then",
  1365.     "                        clear()",
  1366.     "                        nPos = 0",
  1367.     "                        recomplete()",
  1368.     "                        redraw()",
  1369.     "                    end",
  1370.     "    ",
  1371.     "                elseif param == keys.delete then",
  1372.     "                    -- Delete",
  1373.     "                    if nPos < string.len(sLine) then",
  1374.     "                        clear()",
  1375.     "                        sLine = string.sub( sLine, 1, nPos ) .. string.sub( sLine, nPos + 2 )                ",
  1376.     "                        recomplete()",
  1377.     "                        redraw()",
  1378.     "                    end",
  1379.     "    ",
  1380.     "                elseif param == keys[\"end\"] then",
  1381.     "                    -- End",
  1382.     "                    if nPos < string.len(sLine ) then",
  1383.     "                        clear()",
  1384.     "                        nPos = string.len(sLine)",
  1385.     "                        recomplete()",
  1386.     "                        redraw()",
  1387.     "                    end",
  1388.     "    ",
  1389.     "                elseif param == keys.tab then",
  1390.     "                    -- Tab (accept autocomplete)",
  1391.     "                    acceptCompletion()",
  1392.     "    ",
  1393.     "                end",
  1394.     "    ",
  1395.     "            elseif sEvent == \"term_resize\" then",
  1396.     "                -- Terminal resized",
  1397.     "                w = term.getSize()",
  1398.     "                redraw()",
  1399.     "    ",
  1400.     "            end",
  1401.     "        end",
  1402.     "    ",
  1403.     "        local cx, cy = term.getCursorPos()",
  1404.     "        term.setCursorBlink( false )",
  1405.     "        term.setCursorPos( w + 1, cy )",
  1406.     "        print()",
  1407.     "        ",
  1408.     "        return sLine",
  1409.     "    end -- function biosRead",
  1410.     "",
  1411.     "    env.read = function( _sReplaceChar, _tHistory, _fnComplete, _sDefault )",
  1412.     "        proc.acquireInput()",
  1413.     "        local res = {pcall(biosRead, _sReplaceChar,_tHistory,_fnComplete,_sDefault)}",
  1414.     "        proc.releaseInput()",
  1415.     "        if res[1] then",
  1416.     "            return res[2]",
  1417.     "        end -- if res",
  1418.     "        error(res[2])",
  1419.     "    end -- function read",
  1420.     "    ",
  1421.     "    env.sleep = function(nTime)",
  1422.     "      kernel.debug(\"[PID\"..proc.pid..\"] sleep\", nTime, kernel.oldGlob.getfenv(0), kernel.oldGlob.getfenv(env.sleep))",
  1423.     "      if nTime ~= nil and type( nTime ) ~= \"number\" then",
  1424.     "          error( \"bad argument #1 (expected number, got \" .. type( nTime ) .. \")\", 2 ) ",
  1425.     "      end",
  1426.     "      local timer = os.startTimer( nTime or 0 )",
  1427.     "      repeat",
  1428.     "          local sEvent, param = os.pullEvent( \"timer\" )",
  1429.     "      until param == timer",
  1430.     "    end -- function sleep",
  1431.     "    ",
  1432.     "    -- clone os to manipulate it",
  1433.     "    env.os = table.clone(env.os)",
  1434.     "    env.os.sleep = function(nTime)",
  1435.     "      sleep(nTime)",
  1436.     "    end -- function os.sleep",
  1437.     "    ",
  1438.     "    env.os.startTimer = function(s)",
  1439.     "        kernel.debug(\"[PID\"..proc.pid..\"] os.startTimer\", s)",
  1440.     "        local timer = kernel.oldGlob.os.startTimer(s)",
  1441.     "        kernel.modules.instances.sandbox.timers.new(timer, proc)",
  1442.     "        return timer",
  1443.     "    end -- function os.startTimer",
  1444.     "    env.os.pullEventRaw = function(filter)",
  1445.     "        kernel.debug(\"[PID\"..proc.pid..\"] os.pullEventRaw\", filter)",
  1446.     "        while true do",
  1447.     "            for k,v in kernel.oldGlob.ipairs(proc.evqueue) do",
  1448.     "                proc.evqueue[k] = nil",
  1449.     "                if filter == nil or v[1]==filter then",
  1450.     "                    kernel.debug(\"[PID\"..proc.pid..\"] returning event from local event queue\", kernel.oldGlob.unpack(v))",
  1451.     "                    return kernel.oldGlob.unpack(v)",
  1452.     "                else -- if filter",
  1453.     "                    kernel.debug(\"[PID\"..proc.pid..\"] discard event from local event queue because of filter\", kernel.oldGlob.unpack(v))",
  1454.     "                end -- if filter",
  1455.     "            end -- for evqueue",
  1456.     "            ",
  1457.     "            kernel.debug(\"[PID\"..proc.pid..\"] invoke os.pullEventRaw\", filter)",
  1458.     "            local event = M.evqueue.processEvt(proc.pid, proc, {kernel.oldGlob.os.pullEventRaw()}, filter)",
  1459.     "            if event ~= nil then",
  1460.     "                return kernel.oldGlob.unpack(event)",
  1461.     "            end -- if event",
  1462.     "        end -- endless loop",
  1463.     "    end -- function os.pullEventRaw",
  1464.     "    env.os.pullEvent = function(filter)",
  1465.     "        kernel.debug(\"[PID\"..proc.pid..\"] os.pullEvent\", filter)",
  1466.     "        local eventData = {proc.env.os.pullEventRaw(filter)}",
  1467.     "        if eventData[1] == \"terminate\" then",
  1468.     "            kernel.oldGlob.error( \"Terminated\", 0 )",
  1469.     "        end",
  1470.     "        return kernel.oldGlob.unpack(eventData)",
  1471.     "    end -- function os.pullEvent",
  1472.     "    ---------------------------------------",
  1473.     "    -- operating system access",
  1474.     "    -- @type xwos",
  1475.     "    -- @field [parent=#global] #xwos xwos predefined operating system accessor",
  1476.     "    env.xwos = {}",
  1477.     "    ---------------------------------------",
  1478.     "    -- debugging output",
  1479.     "    -- @function [parent=#xwos] debug",
  1480.     "    -- @param #string msg",
  1481.     "    env.xwos.debug = function(msg)",
  1482.     "        -- TODO find a way to pass variables etc.",
  1483.     "        -- check for possible sandbox breaks during tostring",
  1484.     "        if kernel.oldGlob.type(msg) ~= \"string\" then",
  1485.     "            error(\"Wrong argument type (only strings allowed)\")",
  1486.     "        else -- if not string",
  1487.     "            kernel.debug(msg)",
  1488.     "        end -- if string",
  1489.     "    end -- function debug",
  1490.     "    ---------------------------------------",
  1491.     "    -- process manager",
  1492.     "    -- @type xwos.pmr",
  1493.     "    -- @field [parent=#xwos] #xwos.pmr pmr process manager",
  1494.     "    env.xwos.pmr = {}",
  1495.     "    -- TODO demon child threads (threads to be fnished before process ends)",
  1496.     "    -- TODO on terminate main process terminat all child threads",
  1497.     "    ---------------------------------------",
  1498.     "    -- create a new child thread",
  1499.     "    -- @function [parent=#xwos.pmr] createThread",
  1500.     "    -- @param #table newenv the environment of the new thread",
  1501.     "    -- @return #xwos.pmr.thread",
  1502.     "    env.xwos.pmr.createThread = function(newenv)",
  1503.     "        local nenv = {}",
  1504.     "        for k,v in kernel.oldGlob.pairs(kernel.oldGlob) do",
  1505.     "            nenv[k] = v",
  1506.     "        end -- for oldGlob",
  1507.     "        local function wrap(target, src)",
  1508.     "            for k,v in kernel.oldGlob.pairs(src) do",
  1509.     "                if kernel.oldGlob.type(v) == \"table\" and kernel.oldGlob.type(target[k]) == \"table\" then",
  1510.     "                    wrap(v, target[k])",
  1511.     "                else -- if tables",
  1512.     "                    target[k] = v",
  1513.     "                end -- if tables",
  1514.     "            end -- for src",
  1515.     "        end -- function wrap",
  1516.     "        if newenv ~= nil then",
  1517.     "            wrap(nenv, newenv)",
  1518.     "        end -- if nenv",
  1519.     "        local nproc = kernel.processes.new(proc, kernel, env, kernel.envFactories)",
  1520.     "        ---------------------------------------",
  1521.     "        -- the new thread",
  1522.     "        -- @type xwos.pmr.thread",
  1523.     "        local R = {}",
  1524.     "        ---------------------------------------",
  1525.     "        -- join thread and wait for finish",
  1526.     "        -- @function [parent=#xwos.pmr.thread] join",
  1527.     "        R.join = function()",
  1528.     "            nproc.join(proc)",
  1529.     "        end -- function join",
  1530.     "        ---------------------------------------",
  1531.     "        -- terminate thread",
  1532.     "        -- @function [parent=#xwos.pmr.thread] terminate",
  1533.     "        R.termninate = function()",
  1534.     "            nproc.termninate()",
  1535.     "        end -- function termninate",
  1536.     "        ---------------------------------------",
  1537.     "        -- spawn thread and invoke function",
  1538.     "        -- @function [parent=#xwos.pmr.thread] spawn",
  1539.     "        -- @param #function func the function to invoke",
  1540.     "        -- @param ... arguments",
  1541.     "        R.spawn = function(func, ...)",
  1542.     "            nproc.spawn(func, ...)",
  1543.     "        end -- function termninate",
  1544.     "        -- TODO do we need this? we are declaring the functions already inside process thread with correct fenv",
  1545.     "        kernel.oldGlob.setfenv(R.join, kernel.nenv)",
  1546.     "        kernel.oldGlob.setfenv(R.terminate, kernel.nenv)",
  1547.     "        kernel.oldGlob.setfenv(R.spawn, kernel.nenv)",
  1548.     "        return R",
  1549.     "    end -- function createThread",
  1550.     "    ",
  1551.     "    env.dofile = function(_sFile)",
  1552.     "        if type( _sFile ) ~= \"string\" then",
  1553.     "            error( \"bad argument #1 (expected string, got \" .. type( _sFile ) .. \")\", 2 )",
  1554.     "        end",
  1555.     "        local fnFile, e = loadfile( _sFile, kernel.nenv )",
  1556.     "        if fnFile then",
  1557.     "            return fnFile()",
  1558.     "        else",
  1559.     "            error( e, 2 )",
  1560.     "        end",
  1561.     "    end -- dofile",
  1562.     "    ",
  1563.     "    -- TODO do we need this? we are declaring the functions already inside process thread with correct fenv",
  1564.     "    kernel.oldGlob.setfenv(biosRead, kernel.nenv)",
  1565.     "    kernel.oldGlob.setfenv(env.read, kernel.nenv)",
  1566.     "    kernel.oldGlob.setfenv(env.sleep, kernel.nenv)",
  1567.     "    kernel.oldGlob.setfenv(env.dofile, kernel.nenv)",
  1568.     "    kernel.oldGlob.setfenv(env.os.sleep, kernel.nenv)",
  1569.     "    kernel.oldGlob.setfenv(env.os.startTimer, kernel.nenv)",
  1570.     "    kernel.oldGlob.setfenv(env.os.pullEventRaw, kernel.nenv)",
  1571.     "    kernel.oldGlob.setfenv(env.os.pullEvent, kernel.nenv)",
  1572.     "    kernel.oldGlob.setfenv(env.xwos.debug, kernel.nenv)",
  1573.     "    kernel.oldGlob.setfenv(env.xwos.pmr.createThread, kernel.nenv)",
  1574.     "end -- function envFactory",
  1575.     "",
  1576.     "---------------------------------",
  1577.     "-- @function [parent=#xwos.modules.sandbox] boot",
  1578.     "-- @param xwos.kernel#xwos.kernel k",
  1579.     "M.boot = function(k)",
  1580.     "    k.debug(\"boot sandbox\")",
  1581.     "    ",
  1582.     "    kernel.envFactories.sandbox = envFactory",
  1583.     "end -- function boot",
  1584.     "",
  1585.     "-- wrap lua console and wrap programs...",
  1586.     "",
  1587.     "---- global functions",
  1588.     "--orig.print = print",
  1589.     "--orig.write = write",
  1590.     "--orig.load = load",
  1591.     "--orig.read = read",
  1592.     "--orig.error = error",
  1593.     "--orig.printError = printError",
  1594.     "---- relevant for sandbox",
  1595.     "--orig.dofile = dofile",
  1596.     "--orig.loadfile = loadfile",
  1597.     "--orig.loadstring = loadstring",
  1598.     "--orig.rawset = rawset",
  1599.     "--orig.rawget = rawget",
  1600.     "--",
  1601.     "---- computercraft apis",
  1602.     "--orig.redstone = redstone",
  1603.     "--orig.rs = rs -- alias for redstone",
  1604.     "--orig.rednet = rednet",
  1605.     "--orig.fs = fs",
  1606.     "--orig.gps = gps",
  1607.     "--orig.disk = disk",
  1608.     "--orig.http = http",
  1609.     "--orig.os = os",
  1610.     "--orig.commands = commands",
  1611.     "--orig.io = io",
  1612.     "--orig.multishell = multishell",
  1613.     "--orig.peripheral = peripheral",
  1614.     "--orig.settings = settings",
  1615.     "--orig.shell = shell",
  1616.     "--orig.turtle = turtle",
  1617.     "--orig.pocket = pocket",
  1618.     "--",
  1619.     "---- terminal management",
  1620.     "--orig.term = term",
  1621.     "--orig.paintutils = paintutils",
  1622.     "--orig.textutils = textutils",
  1623.     "--orig.window = window",
  1624.     "--",
  1625.     "---- threads etc.",
  1626.     "--orig.parallel = parallel",
  1627.     "--orig.setfenv = setfenv",
  1628.     "--orig.getfenv = getfenv",
  1629.     "--orig.xpcall = xpcall",
  1630.     "--orig.pcall = pcall",
  1631.     "--orig.coroutine = coroutine",
  1632.     "--",
  1633.     "-- Events:",
  1634.     "-- alarm                http://computercraft.info/wiki/Alarm_(event)",
  1635.     "-- char                 http://computercraft.info/wiki/Char_(event)",
  1636.     "-- disk                 http://computercraft.info/wiki/Disk_(event)",
  1637.     "-- disk_eject           http://computercraft.info/wiki/Disk_eject_(event)",
  1638.     "-- http_failure         http://computercraft.info/wiki/Http_failure_(event)",
  1639.     "-- http_success         http://computercraft.info/wiki/Http_success_(event)",
  1640.     "-- key                  http://computercraft.info/wiki/Key_(event)",
  1641.     "-- key_up               http://computercraft.info/wiki/Key_up_(event)",
  1642.     "-- modem_message        http://computercraft.info/wiki/Modem_message_(event)           http://computercraft.info/wiki/Modem_(API)",
  1643.     "-- monitor_resize       http://computercraft.info/wiki/Monitor_resize_(event)",
  1644.     "-- monitor_touch        http://computercraft.info/wiki/Monitor_touch_(event)",
  1645.     "-- mouse_click          http://computercraft.info/wiki/Mouse_click_(event)",
  1646.     "-- mouse_drag           http://computercraft.info/wiki/Mouse_drag_(event)",
  1647.     "-- mouse_scroll         http://computercraft.info/wiki/Mouse_scroll_(event)",
  1648.     "-- mouse_up             http://computercraft.info/wiki/Mouse_up_(event)",
  1649.     "-- paste                http://computercraft.info/wiki/Paste_(event)",
  1650.     "-- peripheral           http://computercraft.info/wiki/Peripheral_(event)",
  1651.     "-- peripheral_detach    http://computercraft.info/wiki/Peripheral_detach_(event)",
  1652.     "-- rednet_message       http://computercraft.info/wiki/Rednet_message_(event)         http://computercraft.info/wiki/Rednet_(API)",
  1653.     "-- redstone             http://computercraft.info/wiki/Redstone_(event)",
  1654.     "-- task_complete        http://computercraft.info/wiki/Task_complete_(event)",
  1655.     "-- term_resize          http://computercraft.info/wiki/Term_resize(Event)             http://computercraft.info/wiki/Term_(API)",
  1656.     "-- terminate            http://computercraft.info/wiki/Terminate_(event)",
  1657.     "-- timer                http://computercraft.info/wiki/Timer_(event)",
  1658.     "-- turtle_inventory     http://computercraft.info/wiki/Turtle_inventory_(event)",
  1659.     "",
  1660.     "return M",
  1661.     "",
  1662.     "",
  1663.     "",
  1664.     "",
  1665.     "",
  1666.     "",
  1667.   },
  1668.   [ "/core" ] = true,
  1669.   [ "/xwos.lua" ] = {
  1670.     "--    This file is part of xwos.",
  1671.     "--",
  1672.     "--    xwos is free software: you can redistribute it and/or modify",
  1673.     "--    it under the terms of the GNU General Public License as published by",
  1674.     "--    the Free Software Foundation, either version 3 of the License, or",
  1675.     "--    (at your option) any later version.",
  1676.     "--",
  1677.     "--    xwos is distributed in the hope that it will be useful,",
  1678.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  1679.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  1680.     "--    GNU General Public License for more details.",
  1681.     "--",
  1682.     "--    You should have received a copy of the GNU General Public License",
  1683.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  1684.     "",
  1685.     "term.clear()",
  1686.     "",
  1687.     "local tArgs = {...}",
  1688.     "",
  1689.     "local myver = \"0.0.1\" -- TODO manipulate through maven build",
  1690.     "local osvs = os.version()",
  1691.     "local osvIter = string.gmatch(osvs, \"%S+\")",
  1692.     "local osn = osvIter()",
  1693.     "local osv = osvIter()",
  1694.     "",
  1695.     "local kernelpaths = { \"\", \"/xwos/kernel/common\" }",
  1696.     "local kernels = {}",
  1697.     "kernels[\"CraftOS\"] = {}",
  1698.     "kernels[\"CraftOS\"][\"1.8\"] = \"/xwos/kernel/1/8\"",
  1699.     "",
  1700.     "print(\"** booting XW-OS........\")",
  1701.     "print(\"** XW-OS version \" .. myver)",
  1702.     "print(\"** Copyright © 2018 by xworlds.eu.\")",
  1703.     "print(\"** All rights reserved.\")",
  1704.     "",
  1705.     "-- check if already booted",
  1706.     "if xwos then",
  1707.     "  print()",
  1708.     "  print(\"FAILED... We are already running XW-OS...\")",
  1709.     "  return nil",
  1710.     "end -- if already booted",
  1711.     "",
  1712.     "-- check if valid operating system",
  1713.     "if kernels[osn] == nil or kernels[osn][osv] == nil then",
  1714.     "    print()",
  1715.     "    print(\"FAILED... running on unknown operating system or version...\")",
  1716.     "    print(\"OS-version we got: \" .. osvs)",
  1717.     "    print(\"Currently we require CraftOS at version 1.8\")",
  1718.     "    return nil",
  1719.     "end -- if valid",
  1720.     "",
  1721.     "-- kernel file loader",
  1722.     "kernelpaths[1] = kernels[osn][osv]",
  1723.     "",
  1724.     "-- prepare first sandboxing for kernel",
  1725.     "local old2 = getfenv(2)",
  1726.     "local old1 = getfenv(1)",
  1727.     "if old2 ~= _G or old1.require == nil then",
  1728.     "    print()",
  1729.     "    print(\"FAILED... please run XW-OS in startup script or on root console...\")",
  1730.     "    print(\"Running inside other operating systems may not be supported...\")",
  1731.     "    return nil",
  1732.     "end -- if not globals",
  1733.     "local oldGlob = {}",
  1734.     "for k, v in pairs(_G) do",
  1735.     "    oldGlob[k] = v",
  1736.     "end -- for _G",
  1737.     "for k, v in pairs(old2) do",
  1738.     "    oldGlob[k] = v",
  1739.     "end -- for _G",
  1740.     "for k, v in pairs(old1) do",
  1741.     "    oldGlob[k] = v",
  1742.     "end -- for _G",
  1743.     "",
  1744.     "-- create an explicit copy of globals",
  1745.     "local newGlob = {}",
  1746.     "for k, v in oldGlob.pairs(oldGlob) do",
  1747.     "    newGlob[k] = v",
  1748.     "end -- for _G",
  1749.     "",
  1750.     "-- redirect require for kernel loading",
  1751.     "-- using functions from oldGlob for security reasons",
  1752.     "local function krequire(path)",
  1753.     "    for k, v in oldGlob.pairs(kernelpaths) do",
  1754.     "        local target = v .. \"/\" .. oldGlob.string.gsub(path, \"%.\", \"/\")",
  1755.     "        local targetFile = target .. \".lua\"",
  1756.     "        if oldGlob.fs.exists(targetFile) then",
  1757.     "            local res = oldGlob.require(target)",
  1758.     "            -- print(\"loaded file \"..target)",
  1759.     "            return res",
  1760.     "        end -- if file exists",
  1761.     "    end -- for kernelpaths",
  1762.     "    return nil",
  1763.     "end -- function require",
  1764.     "",
  1765.     "setfenv(1, newGlob)",
  1766.     "local state, err = pcall(function()",
  1767.     "        local kernel = krequire('xwos.kernel') -- xwos.kernel#xwos.kernel",
  1768.     "        ",
  1769.     "        kernel.boot(myver, kernelpaths, krequire, oldGlob, tArgs)",
  1770.     "        kernel.startup()",
  1771.     "    end -- function ex",
  1772.     ")",
  1773.     "setfenv(1, old1)",
  1774.     "",
  1775.     "if not state then",
  1776.     "    error(err)",
  1777.     "end",
  1778.   },
  1779.   [ "/kernel/common/xwos/processes.lua" ] = {
  1780.     "--    This file is part of xwos.",
  1781.     "--",
  1782.     "--    xwos is free software: you can redistribute it and/or modify",
  1783.     "--    it under the terms of the GNU General Public License as published by",
  1784.     "--    the Free Software Foundation, either version 3 of the License, or",
  1785.     "--    (at your option) any later version.",
  1786.     "--",
  1787.     "--    xwos is distributed in the hope that it will be useful,",
  1788.     "--    but WITHOUT ANY WARRANTY; without even the implied warranty of",
  1789.     "--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
  1790.     "--    GNU General Public License for more details.",
  1791.     "--",
  1792.     "--    You should have received a copy of the GNU General Public License",
  1793.     "--    along with xwos.  If not, see <http://www.gnu.org/licenses/>.",
  1794.     "",
  1795.     "local cocreate = coroutine.create",
  1796.     "local coresume = coroutine.resume",
  1797.     "local origGetfenv = getfenv",
  1798.     "local origSetfenv = setfenv",
  1799.     "local origsetmeta = setmetatable",
  1800.     "local origtype = type",
  1801.     "local origdofile = dofile",
  1802.     "local origloadfile = loadfile",
  1803.     "local origpcall = pcall",
  1804.     "local origpackage = package",
  1805.     "local origprint = print",
  1806.     "local origerror = error",
  1807.     "local origser = textutils.serialize",
  1808.     "local origpairs = pairs",
  1809.     "local origyield = coroutine.yield",
  1810.     "local originsert = table.insert",
  1811.     "",
  1812.     "local kernel -- xwos.kernel#xwos.kernel",
  1813.     "",
  1814.     "--------------------------------",
  1815.     "-- local process environments",
  1816.     "-- @type xwos.processes",
  1817.     "local processes = {}",
  1818.     "",
  1819.     "--------------------------------",
  1820.     "-- next pid to use for new processes",
  1821.     "local nextPid = 0",
  1822.     "",
  1823.     "--------------------------------",
  1824.     "-- creates a new process",
  1825.     "-- @function [parent=#xwos.processes] new",
  1826.     "-- @param p the parent process",
  1827.     "-- @param xwos.kernel#xwos.kernel k the kernel table",
  1828.     "-- @param #global env the global process environment",
  1829.     "-- @param #table factories functions with signature (proc, env) to initialize the new process or environment",
  1830.     "-- @return #xwos.process",
  1831.     "processes.new = function(p, k, env, factories)",
  1832.     "    kernel = k",
  1833.     "    --------------------------------",
  1834.     "    -- process type",
  1835.     "    -- @type xwos.process",
  1836.     "    local R = {}",
  1837.     "    ",
  1838.     "    --------------------------------",
  1839.     "    -- @field [parent=#xwos.process] #number pid the process id",
  1840.     "    R.pid = nextPid",
  1841.     "    nextPid = nextPid + 1",
  1842.     "        ",
  1843.     "    --------------------------------------",
  1844.     "    -- @field [parent=#xwos.process] #table evqueue the process local event queue",
  1845.     "    R.evqueue = {}",
  1846.     "    ",
  1847.     "    ------------------------------------------",
  1848.     "    -- @field [parent=#xwos.process] #number joined number of processes having called method join",
  1849.     "    R.joined = 0",
  1850.     "    ",
  1851.     "    --------------------------------",
  1852.     "    -- @field [parent=#xwos.process] #string procstate the process state; \"initializing\", \"running\" or \"terminated\"",
  1853.     "    R.procstate = \"initializing\"",
  1854.     "    kernel.debug(\"[PID\"..R.pid..\"] pocstate = initializing\")",
  1855.     "    ",
  1856.     "    --------------------------------",
  1857.     "    -- @field [parent=#xwos.process] #xwos.process parent the parent process",
  1858.     "    R.parent = p",
  1859.     "    ",
  1860.     "    --------------------------------",
  1861.     "    -- @field [parent=#xwos.process] #global env the process environment",
  1862.     "    R.env = { pid = R.pid }",
  1863.     "    kernel.debug(\"[PID\"..R.pid..\"] environments\", env)",
  1864.     "    local nenvmt = {",
  1865.     "        __index = function(table, key)",
  1866.     "            local res = env[key]",
  1867.     "            if res == nil then",
  1868.     "                if R.parent ~= nil then",
  1869.     "                    -- parent should at least lead to PID 0. PID 0 already should contain all the visible and public globals all processes are allowed to use",
  1870.     "                    res = R.parent.env[key]",
  1871.     "                end -- if parent",
  1872.     "            end -- if not res (env)",
  1873.     "            return res",
  1874.     "        end -- function __index",
  1875.     "    }",
  1876.     "    origsetmeta(R.env, nenvmt)",
  1877.     "    origSetfenv(nenvmt.__index, R.env)",
  1878.     "        ",
  1879.     "    --------------------------------------",
  1880.     "    -- acquire input (front process)",
  1881.     "    -- @function [parent=#xwos.process] acquireInput",
  1882.     "    R.acquireInput = function()",
  1883.     "        -- TODO is a stack always good?",
  1884.     "        -- switching between processes (alt+tab in windows) is not meant to build a stack of input",
  1885.     "        -- a stack of input will represent some kind of modal dialog over other modal dialog where closing one will pop up the previous one",
  1886.     "        -- think about it...",
  1887.     "        kernel.modules.instances.sandbox.procinput.acquire(R)",
  1888.     "    end -- function acquireInput",
  1889.     "        ",
  1890.     "    ------------------------------------------",
  1891.     "    -- joins process and awaits it termination",
  1892.     "    -- @function [parent=#process] join",
  1893.     "    -- @param #xwos.process cproc calling process",
  1894.     "    R.join = function(cproc)",
  1895.     "        local cpid = \"*\"",
  1896.     "        if cproc ~= nil then",
  1897.     "            cpid = cproc.pid",
  1898.     "        end -- if cproc",
  1899.     "        kernel.debug(\"[PID\"..cpid..\"] joining\")",
  1900.     "        R.joined = R.joined + 1",
  1901.     "        while R.procstate ~= \"finished\" do",
  1902.     "            kernel.debug(\"[PID\"..cpid..\"] waiting for finished of \"..R.pid..\" (state=\"..R.procstate..\")\")",
  1903.     "            local event = kernel.modules.instances.sandbox.evqueue.processEvt(cpid, cproc, {origyield()}, \"xwos_terminated\")",
  1904.     "            if event ~= nil and event[2] ~= R.pid then",
  1905.     "                for k, v in kernel.oldGlob.pairs(processes) do",
  1906.     "                    if kernel.oldGlob.type(v)==\"table\" and v.pid == event[2] and v.joined > 0 then",
  1907.     "                        kernel.debug(\"[PID\"..cpid..\"] redistributing to all other processes because at least one process called join of \"..R.pid)",
  1908.     "                        ",
  1909.     "                        for k2, v2 in kernel.oldGlob.pairs(kernel.processes) do",
  1910.     "                            if kernel.oldGlob.type(v2) == \"table\" and v2 ~= cproc and v2.procstate~= \"finished\" then",
  1911.     "                                kernel.debug(\"[PID\"..cpid..\"] redistributing because at least one process called join of \"..R.pid)",
  1912.     "                                originsert(v2.evqueue, event)",
  1913.     "                                v2.wakeup()",
  1914.     "                            end --",
  1915.     "                        end -- for processes",
  1916.     "                    end --",
  1917.     "                end -- for processes",
  1918.     "            end -- if pid",
  1919.     "        end",
  1920.     "        kernel.debug(\"[PID\"..cpid..\"] received finish notification or \"..R.pid)",
  1921.     "        R.joined = R.joined - 1",
  1922.     "    end -- function join",
  1923.     "        ",
  1924.     "    --------------------------------------",
  1925.     "    -- release input (front process)",
  1926.     "    -- @function [parent=#xwos.process] releaseInput",
  1927.     "    R.releaseInput = function()",
  1928.     "        kernel.modules.instances.sandbox.procinput.current.release(R)",
  1929.     "    end -- function acquireInput",
  1930.     "        ",
  1931.     "    --------------------------------------",
  1932.     "    -- wakeup process in reaction to events on local event queue",
  1933.     "    -- @function [parent=#xwos.process] wakeup",
  1934.     "    R.wakeup = function()",
  1935.     "        if R.co ~= nil and R.procstate ~= \"finished\" then",
  1936.     "            kernel.debug(\"[PID\"..R.pid..\"] wakeup requested\")",
  1937.     "            kernel.oldGlob.coroutine.resume(R.co)",
  1938.     "        end -- if proc",
  1939.     "    end -- function wakeup",
  1940.     "        ",
  1941.     "    --------------------------------------",
  1942.     "    -- request process to terminate",
  1943.     "    -- @function [parent=#xwos.process] terminate",
  1944.     "    R.terminate = function()",
  1945.     "        kernel.oldGlob.os.queueEvent(\"xwos_terminate\", R.pid)",
  1946.     "    end -- function wakeup",
  1947.     "    ",
  1948.     "    --------------------------------",
  1949.     "    -- Remove the process from process table",
  1950.     "    -- @function [parent=#xwos.process] remove",
  1951.     "    R.remove = function()",
  1952.     "        kernel.debug(\"[PID\"..R.pid..\"] removing from process table\")",
  1953.     "        processes[R.pid] = nil",
  1954.     "    end -- function remove",
  1955.     "    ",
  1956.     "    --------------------------------",
  1957.     "    -- Spawn the process (invoke function)",
  1958.     "    -- @function [parent=#xwos.process] spawn",
  1959.     "    -- @param #function func the function to invoke",
  1960.     "    -- @param ... the arguments for given function",
  1961.     "    R.spawn = function(func, ...)",
  1962.     "        local env0 = kernel.nenv",
  1963.     "        kernel.debug(\"[PID\"..R.pid..\"] prepare spawn\")",
  1964.     "        -- TODO ... may contain functions and objects with metatables; this may cause problems by mxing environments",
  1965.     "        -- establish an alternative for IPC (inter process communication)",
  1966.     "        local res = {origpcall(origser, {...})}-- this will cause an error if serializing forbidden types (functions etc.)",
  1967.     "        if not res[1] then",
  1968.     "            kernel.debug(\"[PID\"..R.pid..\"] ERR:\", res[2])",
  1969.     "            kernel.debug(\"[PID\"..R.pid..\"] pocstate = finished\")",
  1970.     "            R.result = res",
  1971.     "            R.procstate = \"finished\"",
  1972.     "            kernel.oldGlob.os.queueEvent(\"xwos_terminated\", R.pid)",
  1973.     "            return",
  1974.     "        end -- if not res",
  1975.     "        ",
  1976.     "        local spawn0 = function(...)",
  1977.     "            kernel.debug(\"[PID\"..R.pid..\"] pocstate = running\")",
  1978.     "            R.procstate = \"running\"",
  1979.     "            kernel.debug(\"[PID\"..R.pid..\"] using env\", R.env, env0)",
  1980.     "            origSetfenv(0, R.env)",
  1981.     "            for k, v in origpairs(factories) do",
  1982.     "                kernel.debug(\"[PID\"..R.pid..\"] invoke factory\", k, v)",
  1983.     "                v(R, R.env)",
  1984.     "            end -- for factories",
  1985.     "            if origtype(func) == \"string\" then",
  1986.     "                local func2 = function(...)",
  1987.     "                    kernel.debug(\"[PID\"..R.pid..\"] doFile\", func)",
  1988.     "                    local fnFile, e = origloadfile(func, kernel.nenv)",
  1989.     "                    if fnFile then",
  1990.     "                        return fnFile()",
  1991.     "                    else -- if res",
  1992.     "                        origerror( e, 2 )",
  1993.     "                    end -- if not res",
  1994.     "                    return origdofile(func, ...)",
  1995.     "                end -- function func2",
  1996.     "                origSetfenv(func2, kernel.nenv)",
  1997.     "                --------------------------------",
  1998.     "                -- @field [parent=#xwos.process] #table result the return state from process function",
  1999.     "                R.result = {origpcall(func2, ...)}",
  2000.     "            else -- if string",
  2001.     "                kernel.debug(\"[PID\"..R.pid..\"] invoke function\", func)",
  2002.     "                R.result = {origpcall(func, ...)}",
  2003.     "            end -- if string",
  2004.     "            kernel.debug(\"[PID\"..R.pid..\"] pocstate = finished\")",
  2005.     "            if not R.result[1] then",
  2006.     "                kernel.debug(\"[PID\"..R.pid..\"] ERR:\", R.result[2])",
  2007.     "            end -- if not res",
  2008.     "            R.procstate = \"finished\"",
  2009.     "            kernel.oldGlob.os.queueEvent(\"xwos_terminated\", R.pid)",
  2010.     "        end -- function spawn0",
  2011.     "        R.env.getfenv = function(n)",
  2012.     "            -- TODO: Hide kernel.nenv because one may decide to manipulate it to inject variables into other threads :-(",
  2013.     "            local t = origtype(n)",
  2014.     "            if t == \"number\" then",
  2015.     "                if n == 0 then",
  2016.     "                    return kernel.nenv",
  2017.     "                end -- if 0",
  2018.     "            end -- if number",
  2019.     "            return origGetfenv(n)",
  2020.     "        end -- function get",
  2021.     "        R.env.setfenv = function(n, v)",
  2022.     "            -- TODO maybe we can compare current fenv with THIS nenv and nenv from kernel;",
  2023.     "            -- if matches we deny changing the fenv",
  2024.     "            -- if not matches we allow changing because it was loaded inside process",
  2025.     "            ",
  2026.     "            -- do not allow changing fenv at all",
  2027.     "            -- simply return current one",
  2028.     "            return R.env.getfenv(n, v)",
  2029.     "        end -- function setfenv",
  2030.     "        kernel.debug(\"[PID\"..R.pid..\"] prepare package\")",
  2031.     "        R.env.package = {}",
  2032.     "        -- taken from bios.lua; must be overriden because of env",
  2033.     "        -- TODO maybe we find a better solution than copying all the stuff",
  2034.     "        R.env.package.loaded = {",
  2035.     "            -- _G = _G,",
  2036.     "            bit32 = bit32,",
  2037.     "            coroutine = coroutine, -- TODO wrap",
  2038.     "            math = math,",
  2039.     "            package = R.env.package,",
  2040.     "            string = string,",
  2041.     "            table = table,",
  2042.     "        }",
  2043.     "        -- TODO paths",
  2044.     "        R.env.package.path = \"?;?.lua;?/init.lua;/rom/modules/main/?;/rom/modules/main/?.lua;/rom/modules/main/?/init.lua\"",
  2045.     "        if turtle then",
  2046.     "            R.env.package.path = R.env.package.path..\";/rom/modules/turtle/?;/rom/modules/turtle/?.lua;/rom/modules/turtle/?/init.lua\"",
  2047.     "        elseif command then",
  2048.     "            R.env.package.path = R.env.package.path..\";/rom/modules/command/?;/rom/modules/command/?.lua;/rom/modules/command/?/init.lua\"",
  2049.     "        end",
  2050.     "        R.env.package.config = \"/\\n;\\n?\\n!\\n-\"",
  2051.     "        R.env.package.preload = {}",
  2052.     "        local loader1 =  function( name )",
  2053.     "            if package.preload[name] then",
  2054.     "                return package.preload[name]",
  2055.     "            else",
  2056.     "                return nil, \"no field package.preload['\" .. name .. \"']\"",
  2057.     "            end",
  2058.     "        end -- function loader1",
  2059.     "        local loader2 =  function( name )",
  2060.     "            local fname = string.gsub(name, \"%.\", \"/\")",
  2061.     "            local sError = \"\"",
  2062.     "            for pattern in string.gmatch(package.path, \"[^;]+\") do",
  2063.     "                local sPath = string.gsub(pattern, \"%?\", fname)",
  2064.     "                if sPath:sub(1,1) ~= \"/\" then",
  2065.     "                    sPath = fs.combine(sDir, sPath)",
  2066.     "                end",
  2067.     "                if fs.exists(sPath) and not fs.isDir(sPath) then",
  2068.     "                    local fnFile, sError = loadfile( sPath, nenv ) -- inject our new env",
  2069.     "                    if fnFile then",
  2070.     "                        return fnFile, sPath",
  2071.     "                    else",
  2072.     "                        return nil, sError",
  2073.     "                    end",
  2074.     "                else",
  2075.     "                    if #sError > 0 then",
  2076.     "                        sError = sError .. \"\\n\"",
  2077.     "                    end",
  2078.     "                    sError = sError .. \"no file '\" .. sPath .. \"'\"",
  2079.     "                end",
  2080.     "            end",
  2081.     "            return nil, sError",
  2082.     "        end -- function loader2",
  2083.     "        R.env.package.loaders = {",
  2084.     "            loader1,",
  2085.     "            loader2",
  2086.     "        }",
  2087.     "  ",
  2088.     "        local sentinel = {}",
  2089.     "        R.env.require = function( name )",
  2090.     "            if type( name ) ~= \"string\" then",
  2091.     "                error( \"bad argument #1 (expected string, got \" .. type( name ) .. \")\", 2 )",
  2092.     "            end",
  2093.     "            if package.loaded[name] == sentinel then",
  2094.     "                error(\"Loop detected requiring '\" .. name .. \"'\", 0)",
  2095.     "            end",
  2096.     "            if package.loaded[name] then",
  2097.     "                return package.loaded[name]",
  2098.     "            end",
  2099.     "      ",
  2100.     "            local sError = \"Error loading module '\" .. name .. \"':\"",
  2101.     "            for n,searcher in ipairs(package.loaders) do",
  2102.     "                local loader, err = searcher(name)",
  2103.     "                if loader then",
  2104.     "                    package.loaded[name] = sentinel",
  2105.     "                    local result = loader( err )",
  2106.     "                    if result ~= nil then",
  2107.     "                        package.loaded[name] = result",
  2108.     "                        return result",
  2109.     "                    else",
  2110.     "                        package.loaded[name] = true",
  2111.     "                        return true",
  2112.     "                    end",
  2113.     "                else",
  2114.     "                    sError = sError .. \"\\n\" .. err",
  2115.     "                end",
  2116.     "            end",
  2117.     "            error(sError, 2)",
  2118.     "        end -- function require",
  2119.     "        ",
  2120.     "        kernel.debug(\"[PID\"..R.pid..\"] setting new env\", env0)",
  2121.     "        origSetfenv(spawn0, env0)",
  2122.     "        origSetfenv(loader1, env0)",
  2123.     "        origSetfenv(loader2, env0)",
  2124.     "        origSetfenv(R.env.require, env0)",
  2125.     "        origSetfenv(R.env.getfenv, env0)",
  2126.     "        origSetfenv(R.env.setfenv, env0)",
  2127.     "        --------------------------------",
  2128.     "        -- @field [parent=#xwos.process] coroutine#coroutine co the coroutine",
  2129.     "        R.co = cocreate(spawn0)",
  2130.     "        local res = {coresume(R.co, ...)}",
  2131.     "        if not res[1] then",
  2132.     "            kernel.debug(\"[PID\"..R.pid..\"] ERR:\", res[2])",
  2133.     "            kernel.debug(\"[PID\"..R.pid..\"] pocstate = finished\")",
  2134.     "            R.result = res",
  2135.     "            R.procstate = \"finished\"",
  2136.     "            kernel.oldGlob.os.queueEvent(\"xwos_terminated\", R.pid)",
  2137.     "        end -- if not res",
  2138.     "    end -- function spawn",
  2139.     "    ",
  2140.     "    processes[R.pid] = R",
  2141.     "    kernel.debug(\"[PID\"..R.pid..\"] returning new process\")",
  2142.     "    return R",
  2143.     "end -- function new",
  2144.     "",
  2145.     "return processes",
  2146.   },
  2147. }
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