Change the ID of Teamviewer for macOS to circumvent "commercial use detected"

teamviewer_change_id.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import os
import sys
import platform
import re
from pathlib import Path
from uuid import uuid4

print('Change ID of Teamviewer for macOS')

if platform.system() != 'Darwin':
    print('You are not running macOS. Aborting.')
    sys.exit();

if os.geteuid() != 0:
    print('The script has to be run as root. Aborting.')
    sys.exit();

if ('SUDO_USER' in os.environ):
    USERNAME = os.environ['SUDO_USER']
    if USERNAME == 'root':
       print('Use sudo to run as root.')
       sys.exit();
else:
    print('Use sudo to run as root.')
    sys.exit();

HOMEDIRLIB = '/Users/' + USERNAME + '/library/preferences/'
GLOBALLIB = '/library/preferences/'

CONFIGS = []

def listdir_fullpath(d):
    return [os.path.join(d, f) for f in os.listdir(d)]

for file in listdir_fullpath(HOMEDIRLIB):
    if 'teamviewer'.lower() in file.lower():
        CONFIGS.append(file)

if not CONFIGS:
    print ('There is nothing to be deleted.')
else:
    print("Configuration files found:\n")
    for file in CONFIGS:
        print(file)

    print('These files are going to be permanently deleted.')
    input("<Enter> Proceed, <Ctrl-C> Abort.")

    for file in CONFIGS:
        try:
            os.remove(file)
        except:
            print("The file could not be deleted. Do you have the permissions?")
            sys.exit();

    print("Done.")

APP_DIR = Path('/Applications/TeamViewer.app/Contents/')
TMBINARYES = [
'MacOS/TeamViewer',
'MacOS/TeamViewer_Service',
'Helpers/TeamViewer_Desktop',
'Helpers/TeamViewer_Assignment',
]

TMBINARYES = [f for f in [APP_DIR / tgt for tgt in TMBINARYES] if f.exists()]      

def idpatch(target: Path, platform: bytes, serial: bytes):
    with target.open('rb') as f:
        data = f.read()
    data = re.sub(rb'(IOPlatformExpert)\w{6}', rb'\g<1>%s' % platform, data)
    data = re.sub(rb'(IOPlatformSerialNumber\x00)\w{8}(\x00)', rb'\g<1>%s\g<2>' % serial, data)
    with target.open('wb') as f:
        f.write(data)
        
    # Ad-hoc codesign the modified binary to fix `Code Signature Invalid` error.
    os.system('codesign -f -s - "%s" 2> /dev/null' % str(target))
    return True

def random_generator(size: int):
    random = uuid4().hex[:size]
    return random.upper().encode()

RANDOMPLATFORM, RANDOMSERIAL = map(random_generator, [6, 8])

for file in TMBINARYES:
        try:
            idpatch(file,RANDOMPLATFORM,RANDOMSERIAL)
        except:
            print("Error: " + file + " could not be modified.")
            sys.exit();

print('\nUsing platform "%s" and serial "%s".' % (RANDOMPLATFORM.decode(), RANDOMSERIAL.decode()))

print('The ID was successfully changed. A reboot is required to apply the changes.')

Note:

• This script is from https://zhuanlan.zhihu.com/p/46180174. I fixed some bugs and translated it into English.
• Both the client and server has to be Teamviewer 13. Above version will not work.