RfidResearchGroup/proxmark3
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chg: better ndef parsing and texts

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This commit is contained in:
iceman1001 2019-04-29 17:34:47 +02:00
parent 9e34a8e56d
commit 31a531f1d0
1 changed files with 64 additions and 23 deletions
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75
client/scripts/ndef_dump.lua
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@ -32,7 +32,8 @@ Arguments:
]]
local DEBUG = true -- the debug flag
local band = bit32.band
local rshift = bit32.rshift
---
-- A debug printout-function
local function dbg(args)
@ -154,19 +155,16 @@ local function main( args)
return oops(err)
end
-- Block 3 contains number of blocks
local b3chars = utils.ConvertHexToBytes(blocks[4]);
local t5tarea = b3chars[3] * 8
local b3 = utils.ConvertHexToBytes(blocks[4]);
local t5tarea = b3[3] * 8
local t5tarea_blocks = t5tarea / 4;
print("[=] Number of blocks:", t5tarea_blocks)
-- NDEF compliant?
if b3chars[1] ~= 0xE1 then
if b3[1] ~= 0xE1 then
disconnect()
return oops('[!] This tag is not NDEF-Compliant')
end
local ndefversion = b3chars[2]
-- Reuse existing info
local blockData = {blocks[1], blocks[2], blocks[3], blocks[4]}
@ -175,7 +173,7 @@ local function main( args)
the only way to avoid this is to send the read command as many times as block numbers
removing bytes from 5 to 18 from each answer.
--]]
print('[=] Dumping data...please wait')
print('[=] Dumping data...')
for i = 4, t5tarea_blocks - 1, 1 do
blocks, err = getBlock(i)
if err then
@ -187,20 +185,63 @@ local function main( args)
-- Deactivate field
disconnect()
-- Print results
print('[=] Tag NDEF info')
print('[=] ------------------------------------------------')
print('[=] UID ', info.uid)
print('[=] NDEF version', ('%02x'):format(ndefversion))
print('[=] Manufacturer', info.manufacturer)
print('[=] Type ', info.name)
print('[=] ------------------------------------------------')
print('[=] --- Tag NDEF Message info')
print('[=] '.. string.rep('--', 50) )
print('[=] Type : ', info.name)
print('[=] UID : ', info.uid)
print('[=] Manufacturer : ', info.manufacturer)
print('[=] Capacity Container : '.. blockData[4])
print(('[=] %02X : NDEF Magic Number'):format(b3[1]) )
local vLow = band(b3[2], 0xF)
local vHi = band(rshift(b3[2], 4), 0xF)
print(('[=] %02X : version %d.%d supported by tag'):format(b3[2], vHi, vLow) )
print(('[=] %02X : Physical Memory Size: %d bytes'):format(b3[3], t5tarea) )
if b3[3] == 0x96 then
print((' %02X : NDEF Memory Size: %d bytes'):format(b3[3], 48))
elseif b3[3] == 0x12 then
print((' %02X : NDEF Memory Size: %d bytes'):format(b3[3], 144))
elseif b3[3] == 0x3E then
print((' %02X : NDEF Memory Size: %d bytes'):format(b3[3], 496))
elseif b3[3] == 0x6D then
print((' %02X : NDEF Memory Size: %d bytes'):format(b3[3], 872))
end
local rLow = band(b3[4], 0xF)
local rHi = band(rshift(b3[4], 4), 0xF)
local wstr, rstr
if rLow == 0 then
wstr = 'Write access granted without any security'
elseif rLow == 0x0F then
wstr = 'No write access granted at all'
else
wstr = '(RFU)'
end
if rHi ~= 0x00 then
rstr = '(RFU)'
else
rstr = 'Read access granted without any security'
end
print( ('[=] %02X : %s / %s'):format(b3[4], rstr, wstr))
print('[=] '.. string.rep('--', 50) )
local ndefdata = table.concat(blockData, '', 5)
core.ndefparse(t5tarea, verbose, ndefdata)
print('[=] ------------------------------------------------')
print('[=] '.. string.rep('--', 50) )
print('')
print('[=] Tag dump')
print('|---|-------------------|')
for k,v in ipairs(blockData) do
print(string.format('Block %02x: %02x %02x %02x %02x', k-1, string.byte(v, 1,4)))
-- print(string.format('Block %02x: %02x %02x %02x %02x', k-1, string.byte(v, 1,4)))
print(string.format(' %02x | %s', k-1, v) )
end
print('|---|-------------------|')
local filename, err = utils.WriteDumpFile(info.uid, blockData)
if err then return oops(err) end