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nfc_gen_wifi.py
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#!/usr/bin/env python3
"""
Generates NFC with WiFi network data and saves to a Flipper NFC "save" file
No Guarantees.
./nfc_gen_wifi.py
requires ndeflib
Original Code by: Peter Shipley github.com/evilpete
Modified by: Sage https://github.com/misusage
From pkg https://github.com/evilpete/flipper_toolbox
"""
import sys
import ndef
# for debuging
verbose = 0
nfc_header = """Filetype: Flipper NFC device
Version: 2
# generated with flipper_toolbox
Device type: NTAG215
# UID, ATQA and SAK are common for all formats
UID: 04 10 56 01 74 48 03
ATQA: 44 00
SAK: 00
# Mifare Ultralight specific data
Signature: A5 80 A4 CC A0 C3 A1 F6 8B BE 6F EE 83 A6 B9 EE 36 F8 FB C8 14 5A 23 AA 29 DB 78 56 07 B9 6B 92
Mifare version: 00 04 04 02 01 00 11 03
Counter 0: 0
Tearing 0: 00
Counter 1: 0
Tearing 1: 00
Counter 2: 0
Tearing 2: 00
Pages total: 135
"""
data_static = [
0x04, 0x10, 0x56, 0xCA, # 01 serial number
0x01, 0x74, 0x48, 0x03, # 02 serial number
0x3E, 0x48, 0x00, 0x00, # 03 serial number, internal, lock bytes, lock bytes
0xE1, 0x10, 0x3E, 0x00, # 04 Capability Container
]
conf_pages = [
0x00, 0x00, 0x00, 0xBD, # 130
0x04, 0x00, 0x00, 0xFF, # 131
0x00, 0x05, 0x00, 0x00, # 132
0x00, 0x00, 0x00, 0x00, # 133
0x00, 0x00, 0x00, 0x00, # 134
]
def print_nfc_sub(t_data, file=sys.stdout):
print(nfc_header, end='', file=file)
p = 0
for x in range(0, 540, 4):
print(f"Page {p}: {t_data[x]:02X} {t_data[x + 1]:02X} "
f"{t_data[x + 2]:02X} {t_data[x + 3]:02X}", file=file)
p = p + 1
def write_nfc_sub(t_data):
print(nfc_header, end='', file=f)
p = 0
for x in range(0, 540, 4):
print(f"Page {p}: {t_data[x]:02X} {t_data[x + 1]:02X} "
f"{t_data[x + 2]:02X} {t_data[x + 3]:02X}", file=f)
p = p + 1
def gen_nfc_sub(tag_data):
mac = "FF:FF:FF:FF:FF:FF"
data_list = []
credential = ndef.wifi.Credential()
credential.set_attribute('network-index', 1)
for x in tag_data:
if x[0] == 'ssid':
ssidStr = bytes(x[1], encoding="utf-8")
credential.set_attribute(x[0], ssidStr)
elif x[0] == 'authentication-type':
credential.set_attribute(x[0], x[1])
elif x[0] == 'encryption-type':
credential.set_attribute(x[0], x[1])
elif x[0] == 'network-key':
keyStr = bytes(x[1], encoding="utf-8")
credential.set_attribute(x[0], keyStr)
elif x[0] == 'mac-address':
mac = bytes.fromhex(mac.replace(':', ''))
credential.set_attribute(x[0], mac)
record = ndef.wifi.WifiSimpleConfigRecord()
record.name = 'my config token'
record.set_attribute('credential', credential)
for x in tag_data:
if x[0] == 'rf-bands':
record.set_attribute(x[0], x[1])
buf = b"".join((ndef.message_encoder([record])))
m_len = len(buf)
data_list.extend(data_static)
data_list.append(3) # Message Flags
data_list.append(m_len) # Type Length
data_list.extend(list(buf))
data_list.append(0xFE) # end of Data
data_len = len(data_list)
if verbose:
print("Verbose Mode ON")
for b in tag_data:
print(b, file=sys.stderr)
print("Broadcast Mac: " + str(mac))
print("WiFi Credential Token: " + str(credential))
print(record)
print("Buffer:", m_len, hex(m_len), buf, file=sys.stderr)
print("Data List:", data_len, data_list, file=sys.stderr)
x = 520 - data_len
data_list.extend([0] * x)
data_list.extend(conf_pages)
return data_list
if __name__ == '__main__':
filename = "WiFi.nfc"
arg_data = []
print("NFC WiFi Tag Generator for the Flipper Zero\n"
"###########################################\n")
ssid = input("What is the SSID?: ")
arg_data.append(("ssid", ssid))
print("Choose an Authentication Type:")
authChoice = input("Enter 1 for WPA/WPA2-Personal\nEnter 2 for WPA/WPA2-Enterprise (might not work)\n> ")
if authChoice == "1":
auth = "WPA2-Personal"
arg_data.append(("authentication-type", auth))
elif authChoice == "2":
auth = "WPA2-Enterprise"
arg_data.append(("authentication-type", auth))
else:
print("ERROR: You typed something else. Exiting...")
sys.exit()
print("\nChoose an Encryption Type:")
encChoice = input("Enter 1 for AES (Select this option if you don't know)\nEnter 2 for TKIP\n> ")
if encChoice == "1":
encryption = "AES"
arg_data.append(("encryption-type", encryption))
elif encChoice == "2":
encryption = "TKIP"
arg_data.append(("encryption-type", encryption))
else:
print("ERROR: You typed something else. Exiting...")
sys.exit()
password = input("\nWhat is the WiFi Password?: ")
arg_data.append(("network-key", password))
print("\nWhat WiFi Band is the network operating on?:")
bandChoice = input("Enter 1 for 2.4GHz\nEnter 2 for 5.0GHz\n> ")
if bandChoice == "1":
band = "2.4GHz"
arg_data.append(("rf-bands", band))
elif bandChoice == "2":
band = "5.0GHz"
arg_data.append(("rf-bands", band))
else:
print("ERROR: You typed something else. Exiting...")
sys.exit()
nfc_data = gen_nfc_sub(arg_data)
if verbose:
for i in arg_data:
print(i[0],i[1])
print_nfc_sub(nfc_data)
else:
with open(filename, mode='w') as f:
write_nfc_sub(nfc_data)
print("\nCreated " + filename)
sys.exit()