Password door

[thedukeofcrawley 0]

Hi guys i have a question for you,

 

i have used a program of the forum and changed it a little bit and its working fine, but i cant get the password hidden with *

i tried the pwchar but the it will not start anymore, and also how do i start it upon boot?

The pwchar parameter, when given, 
causes input to be masked using the first char of the given string. For example, providing "*" will make all entered characters appear as stars. 
The returned value will still be the actual text inserted, of course.

i hope one of you guys can help me or implement it in the code i use

 

Here is the code

local component=require("component")
local r=component.redstone
local gpu=component.gpu
local term=require("term")


---- config section
local password="ucisrrc876"
local delay=1 --time the door stays open
local side=5 --side of the door, test this
-----


local wrong=false


while true do
  term.clear()
  gpu.set(1,1,"UCIS Rocket Control Centre")
  term.setCursor(1,2)
  gpu.set(1,3,"Please enter password")
  if wrong then
    gpu.set(1,1,"UCIS Rocket Control Centre")
term.setCursor(1,2)
gpu.set(1,3,"Please enter password")
    wrong=false
  end
  term.setCursor(24,3)
  local input=io.read()
  if input==password then
     r.setOutput(side,15) -- check if this is the correct function
     os.sleep(delay)
     r.setOutput(side,0) -- same here
  else
     wrong=true
  end
end

Sincerly 

 

The Duke of Crawley

[badcode9 0]

Hi The Duke of Crawley,

 

I was actually working on something very similar as well this weekend. I opted to use the term.read() function, which allows you to mask the input. I don't think io.read() does this.. Would be cool if you could link the documentation for that function.

 

Here's a snippet of my code. I'd be happy to share the whole program with you if you'd like.

answer = text.trim(term.read(nil, false, nil, "*"))  -- Masking input characters; trim newline

Note that the one downside to using term.read() is that it will also append a "\n" newline to your input which can cause the input not no match your configured password of course. I resolved this by using the text.trim() to remove it.

 

Hope this helps.

 

Cheers!

[thedukeofcrawley 0]

(edit) "i said to early it worked you where right about the text.trim because he is not accepting my password, but now icant get the text.trim to work, i would love if you share the program"

 

(edit 2) "its working righ now

 

Thanks man after i tryed somethings with the piece of code you gave me its working now

and there is no extra newline. the only 2 things i now want know is how do i make sure nobody can shut the program off with ctrl+alt+c and how do i make sure its starts upon boot

 

for people who wants the somewhat renewed code for a password door 

thanks to kevinkk525 for providing the base code that i used

the new code is now:

local component=require("component")
local r=component.redstone
local gpu=component.gpu
local term=require("term")
local text-require("text")


---- config section
local password="ucisrrc876"
local delay=1 --time the door stays open
local side=5 --side of the door, test this
-----


local wrong=false


while true do
  term.clear()
  gpu.set(1,1,"UCIS Rocket Control Centre")
  term.setCursor(1,2)
  gpu.set(1,3,"Please enter password")
  if wrong then
    gpu.set(1,1,"UCIS Rocket Control Centre")
    term.setCursor(1,2)
    gpu.set(1,3,"Please enter password")
    wrong=false
  end
  term.setCursor(24,3)
  input = text.trim(term.read(nil, false, nil, "*"))
  if input==password then
     r.setOutput(side,15) -- check if this is the correct function
     os.sleep(delay)
     r.setOutput(side,0) -- same here
  else
     wrong=true
  end
end

Edited May 3, 2016 by thedukeofcrawley

[badcode9 0]

To have any program run when the computer boots, you will need to call it from an autorun script.

1. First, what I would suggest is to place your program in the "/usr/bin" directory, that way it can be called by name without specifying the directory path. This is optional but I find it useful.
2. Next, create a new file in the root "/" directory, called "autorun.lua". In this script, use the following code, supposing your program name was "pass.lua". Then reboot it too test. 

os.execute("pass.lua")

As far as preventing program termination, I have found one post that describes a method involving creating your answer string from key strokes; however I have not implemented it yet myself. If you do let me know how it worked out for you.

 

My program is below. I'd consider it 90% done with some potential enhancements. I'll release it in a more formal manor when I'm fully done, but you're welcome to use whatever you'd like.

 

Cheers!

 

--[[ 
  Password Lock Program for OpenComputers


  This program is designed to run indefinitely on a basic terminal to provide 
  password protection via redstone. It includes configurations for the door open
  duration, redstone output side, password, and an "admin" break password that will
  allow a user to gracefully terminate the program.


  By badcode9, 2016
]]

local component = require("component")

if not component.isAvailable("redstone") then
  io.stderr:write("This program requires either a Redstone Card Tier 1 or Redstone I/O block to run.\n")
  return
end
local rs = component.redstone

local os = require("os")
local term = require("term")
local text = require("text")
local sides = require("sides")




--[[ Config ]]-----------------------------------------------------------------
local pass = "password"
local d = 5 -- Door open duration
local s = sides.bottom -- Where to output redstone signal to open the door

--[[ Door Control ]]-----------------------------------------------------------
local function openDoor(duration)
  -- Open door for the duration provided, then close again.
  rs.setOutput(s, 0)
  os.sleep(duration)
  rs.setOutput(s, 255)
end

--[[ Main ]]-------------------------------------------------------------------

-- Close door on init
rs.setOutput(s, 255)

while true do
 term.clear()

 -- Password Request
 print("Enter Password:")
 answer = text.trim(term.read(nil, false, nil, "*"))  -- Masking input characters; trim newline
 term.setCursor(1,2)
 term.clearLine()

 -- Password Check
 if answer == "admin" then -- admin pwd to break execution
  term.clear()
  print("Admin Override\n")
  return
 elseif answer == pass then
   print("ACCESS GRANTED")
   openDoor(d)
 else
   print("ACCESS DENIED")
   os.sleep(3)
 end
end

 

[thedukeofcrawley 0]

thanks for the help,

 

i cant get much out from the program terminiation you had send, but its starts up from boot right now i will send the new code with this message

i hope sombody else can help me with the prevent termination

local component=require("component")
local r=component.redstone
local gpu=component.gpu
local term=require("term")
local text=require("text")
local computer=require("computer")
local os=require("os")


---- config section
local password="ucisrrc876"
local delay=1 --time the door stays open
local side=5 --side of the door, test this
-----


local wrong=false


while true do
  term.clear()
  gpu.set(1,1,"UCIS Rocket Control Centre")
  term.setCursor(1,2)
  gpu.set(1,3,"Please enter password")
  if wrong then
    gpu.set(1,1,"UCIS Rocket Control Centre")
term.setCursor(1,2)
gpu.set(1,3,"Please enter password")
    wrong=false
  end
  term.setCursor(24,3)
  input = text.trim(term.read(nil, false, nil, "*"))
  if input==password then
     r.setOutput(side,15) -- check if this is the correct function
     os.sleep(delay)
     r.setOutput(side,0) -- same here
  else
     term.clear()
gpu.set(1,1, "UCIS Rocket Control Centre")
gpu.set(1,3, "Acces Denied")
os.sleep(delay)
computer.shutdown(true)
  end
end

[thedukeofcrawley 0]

today i was trying to put usernames in the program to but i cant get it to work anybody that can help me?