mirror of
https://github.com/20kdc/OC-KittenOS.git
synced 2024-11-15 06:58:05 +11:00
91 lines
3.1 KiB
Lua
91 lines
3.1 KiB
Lua
-- This is released into the public domain.
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-- No warranty is provided, implied or otherwise.
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-- CRITICAL FILE!
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-- This file defines how your KittenOS NEO system responds to access requests.
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-- Modification, renaming or deletion can disable security features.
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-- Usually, a change that breaks the ability for the file to do it's job will cause the "failsafe" to activate,
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-- and for the system to become unable to run user applications.
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-- However - I would not like to test this in a situation where said user applications were in any way untrusted,
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-- for example, if you downloaded them from the Internet, or in particular if someone forwarded them over Discord.
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-- IRC is usually pretty safe, but no guarantees.
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-- Returns "allow", "deny", or "ask".
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local actualPolicy = function (pkg, pid, perm)
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-- System stuff is allowed.
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if pkg:sub(1, 4) == "sys-" then
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return "allow"
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end
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-- <The following is for apps & services>
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-- x.neo.pub (aka Icecap) is open to all
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if perm:sub(1, 10) == "x.neo.pub." then
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return "allow"
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end
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-- This is to ensure the prefix naming scheme is FOLLOWED!
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-- sys- : System, part of KittenOS NEO and thus tries to present a "unified fragmented interface" in 'neo'
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-- app- : Application - these can have ad-hoc relationships. It is EXPECTED these have a GUI
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-- svc- : Service - Same as Application but with no expectation of desktop usability
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-- Libraries "have no rights" as they are essentially loadable blobs of Lua code.
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-- They have access via the calling program, and have a subset of the NEO Kernel API
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local pfx = nil
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if pkg:sub(1, 4) == "app-" then pfx = "app" end
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if pkg:sub(1, 4) == "svc-" then pfx = "svc" end
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if pfx then
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-- Apps can register with their own name
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if perm == "r." .. pfx .. "." .. pkg:sub(5) then
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return "allow"
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end
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end
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-- Userlevel has no other registration rights
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if perm:sub(1, 2) == "r." then
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return "deny"
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end
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-- app/svc stuff is world-accessible
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if perm:sub(1, 6) == "x.app." then
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return "allow"
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end
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if perm:sub(1, 6) == "x.svc." then
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return "allow"
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end
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-- For hardware access, ASK!
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return "ask"
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end
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return function (neoux, settings, pkg, pid, perm, rsp)
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local res = actualPolicy(pkg, pid, perm)
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if res == "ask" then
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res = settings.getSetting("perm|" .. pkg .. "|" .. perm) or "ask"
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end
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if res == "ask" then
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local fmt = neoux.fmtText(unicode.safeTextFormat(string.format("%s/%i wants:\n%s\nAllow this?", pkg, pid, perm)), 20)
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local always = "Always"
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local yes = "Yes"
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local no = "No"
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local totalW = (#yes) + (#always) + (#no) + 8
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neoux.create(20, #fmt + 2, "security", neoux.tcwindow(20, #fmt + 3, {
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neoux.tcbutton(1, #fmt + 2, no, function (w)
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rsp(false)
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w.close()
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end),
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neoux.tcbutton(totalW - ((#yes) + 1), #fmt + 2, yes, function (w)
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rsp(true)
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w.close()
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end),
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neoux.tcbutton((#yes) + 3, #fmt + 2, always, function (w)
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settings.setSetting("perm|" .. pkg .. "|" .. perm, "allow")
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rsp(true)
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w.close()
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end),
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neoux.tchdivider(1, #fmt + 1, 21),
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neoux.tcrawview(1, 1, fmt),
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}, function (w)
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rsp(false)
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w.close()
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end, 0xFFFFFF, 0))
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else
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rsp(res == "allow")
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end
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end
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