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lf_t55xx_multiwriter.lua v1.06

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Fix verification block 0

Signed-off-by: Jarek Barwinski <116510448+jareckib@users.noreply.github.com>
This commit is contained in:
Jarek Barwinski 2025-03-20 19:15:35 +00:00 • committed by GitHub
commit 30a29f2ff3
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GPG key ID: B5690EEEBB952194
1 changed files with 29 additions and 52 deletions
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81
client/luascripts/lf_t55xx_multiwriter.lua
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@ -9,10 +9,11 @@ local command = core.console
local pm3 = require('pm3')
p = pm3.pm3()
command('clear')
author = ' Author: jareckib - 12.03.2025'
version = ' version v1.05'
author = ' jareckib - 12.03.2025'
version = ' v1.06'
mod = ' 20.03.2025'
desc = [[
This simple script stores 1, 2 or 3 different EM4102 on a single T5577.
There is an option to enter the number engraved on the fob in decimal form.
The script can therefore be useful if the original EM4102 doesn't work but
@ -34,8 +35,9 @@ arguments = [[
local function help()
print()
print(author)
print(version)
print(ac.yellow..' Author:'..ac.reset..author)
print(ac.yellow..' Version:'..ac.reset..version)
print(ac.yellow..' Modification date:'..ac.reset..mod)
print(desc)
print(ac.cyan .. ' Usage' .. ac.reset)
print(usage)
@ -92,17 +94,14 @@ local function hex_to_bin(hex_value)
if not hex_value:match("^[A-Fa-f0-9]+$") or #hex_value ~= 10 then
error("Invalid UID format. Must be a valid 5-byte HEX value.")
end
local decimal_value = tonumber(hex_value, 16)
if not decimal_value then
error("Error: Invalid HEX conversion.")
end
local binary = ""
for i = 39, 0, -1 do
binary = binary .. ((decimal_value & (1 << i)) ~= 0 and "1" or "0")
end
if #binary ~= 40 then
error("Unexpected UID length after conversion to binary.")
end
@ -117,13 +116,11 @@ local function encode_uid(uid)
local uid_bin = hex_to_bin(uid)
local start_bits = '1' .. string.rep('1', 8)
local data_with_parity = ''
for i = 1, 40, 4 do
local nibble = uid_bin:sub(i, i + 3)
local parity_bit = even_parity(nibble)
data_with_parity = data_with_parity .. nibble .. parity_bit
end
local col_parity_bits = ''
for i = 1, 4 do
local col_bits = ''
@ -132,10 +129,8 @@ local function encode_uid(uid)
end
col_parity_bits = col_parity_bits .. even_parity(col_bits)
end
local stop_bit = '0'
local full_bin = start_bits .. data_with_parity .. col_parity_bits .. stop_bit
return string.format("%X", tonumber(full_bin, 2))
end
@ -151,41 +146,34 @@ local function get_uid_from_user()
io.write(ac.yellow .. "Invalid choice. Please enter (1) or (2) " .. ac.reset)
end
until choice == "1" or choice == "2"
if choice == "1" then
local format
repeat
io.write("Choose format HEX or DEC (engraved ID) "..ac.cyan.."(h/d) "..ac.reset)
format = io.read():lower()
if format ~= "h" and format ~= "d" then
print(ac.yellow .. "Invalid choice. Choose format HEX or DEC" .. ac.reset)
end
until format == "h" or format == "d"
while true do
io.write("Enter 10-character UID: "..ac.green)
local uid = io.read():upper()
if format == "h" and uid:match("^[A-F0-9]+$") and #uid == 10 then
print(ac.reset.."Entered UID: " ..ac.green.. uid .. ac.reset)
return uid
elseif format == "d" and uid:match("^%d%d%d%d%d%d%d%d%d%d$") then
return string.format("%010X", tonumber(uid))
else
print(ac.yellow .. "Invalid UID format. Please enter exactly 10 characters in selected format." .. ac.reset)
print(ac.yellow .. "Invalid UID format. Enter exactly 10 characters in selected format." .. ac.reset)
end
end
elseif choice == "2" then
io.write("Place original FOB on coil for reading and press" ..ac.cyan.." Enter..." .. ac.reset)
io.read()
while true do
reset_log_file()
p:console('lf em 410x read')
local log_content = read_log_file(logfile)
local uid = extract_uid(log_content)
if uid and #uid == 10 then
print("Readed EM4102 ID: " ..ac.green.. uid ..ac.reset)
return uid
@ -198,73 +186,62 @@ local function get_uid_from_user()
end
end
local function verify_written_data(blocks, block0_value)
local function verify_written_data(blocks, block0_value, uid_count)
reset_log_file()
local block0_value = (uid_count == 1) and "00148040" or (uid_count == 2) and "00148080" or "001480C0"
p:console('lf t55 detect')
for i = 0, #blocks do
p:console('lf t55 read -b ' .. i)
end
local log_content = read_log_file(logfile)
local verified = true
local pattern_block0 = "%[%s*%+%]%s*00 |%s*([A-F0-9]+)"
local pattern_block0 = "%[%s*%+%]%s*00%s*|%s*([A-F0-9]+)"
local found_block0 = log_content:match(pattern_block0)
if not found_block0 or found_block0:upper() ~= block0_value:upper() then
print("Error in block 0 Expected " ..ac.green.. block0_value .. ac.reset.." Found " .. ac.green.. (found_block0 or "N/A")..ac.reset)
print("Error in block 0 ...expected: " .. ac.green .. block0_value .. ac.reset .. " ...found: " .. ac.green .. (found_block0 or "N/A") .. ac.reset)
verified = false
end
for i = 1, #blocks do
local expected_block = blocks[i]
local pattern = "%[%s*%+%]%s*" .. string.format("%02X", i) .. " |%s*([A-F0-9]+)"
local found_block = log_content:match(pattern)
if not found_block or found_block:upper() ~= expected_block:upper() then
print("Error in block " .. i .. " Expected " ..ac.green.. expected_block ..ac.reset.. " Found " ..ac.green.. (found_block or "N/A")..ac.reset)
print("Error in block " .. i .. " ...expected: " .. ac.green .. expected_block .. ac.reset .. " ...found: " .. ac.green .. (found_block or "N/A") .. ac.reset)
verified = false
end
end
return verified
end
local function write(blocks)
local block0_value = (uid_count == 1) and "00148040" or (uid_count == 2) and "00148080" or "001480C0"
local function write(blocks, block0_value)
p:console('lf t55xx write -b 0 -d ' .. block0_value)
for i = 1, #blocks do
p:console('lf t55xx write -b ' .. i .. ' -d ' .. blocks[i])
end
end
local function main(args)
for o, a in getopt.getopt(args, 'h') do
if o == 'h' then return help() end
if o == 'h' then
return help()
end
end
local blocks = {}
local uid_count = 0
for i = 1, 3 do
local uid = get_uid_from_user()
local encoded_hex = encode_uid(uid)
blocks[#blocks + 1] = encoded_hex:sub(1, 8)
blocks[#blocks + 1] = encoded_hex:sub(9, 16)
uid_count = uid_count + 1
if i < 3 then
local next_choice
repeat
io.write(ac.reset.."Do you want to add another UID? "..ac.cyan.."(y/n) "..ac.reset)
next_choice = io.read():lower()
if next_choice ~= "y" and next_choice ~= "n" then
print(ac.yellow .. "Invalid choice. Please enter (y) for yes or (n) for no." .. ac.reset)
end
until next_choice == "y" or next_choice == "n"
if next_choice == "y" then
print(dash)
print(ac.yellow .. (i == 1 and "::: Second UID :::" or "::: Third UID :::") .. ac.reset)
@ -273,22 +250,22 @@ local function main(args)
end
end
end
io.write("Place "..ac.cyan.."T5577"..ac.reset.." tag on coil for writing and press"..ac.cyan.." Enter..."..ac.reset)
local block0_value = (uid_count == 1) and "00148040" or (uid_count == 2) and "00148080" or "001480C0"
io.write("Place the " .. ac.cyan .. "T5577" .. ac.reset .. " tag on the coil for writing and press " .. ac.cyan .. "Enter..." .. ac.reset)
io.read()
write(blocks)
print(dash)
timer(3)
local verified = verify_written_data(blocks, block0_value)
write(blocks, block0_value)
print(dash)
timer(3)
local verified = verify_written_data(blocks, block0_value, uid_count)
while not verified do
print("Verification failed. Please correct the"..ac.cyan.." T5577"..ac.reset.." position and try again.")
print("Verification failed." .. ac.reset .. " Please adjust the " .. ac.cyan .. "T5577" .. ac.reset .. " position and try again.")
io.write("Press " .. ac.cyan .. "Enter" .. ac.reset .. " to retry...")
io.read()
write(blocks)
timer(3)
verified = verify_written_data(blocks)
write(blocks, block0_value)
timer(3)
verified = verify_written_data(blocks, block0_value, uid_count)
end
print(ac.green .. "Successfully written " ..ac.reset.. uid_count .. ac.green.." EM4102 UID(s) to T5577" .. ac.reset)
end
print(ac.green .. "Successfully written " .. ac.reset .. uid_count .. ac.green .. " EM4102 UID(s) to T5577" .. ac.reset)
end
main(args)
main(args)