Run multiple FOnline instances.

runFonline2.py

import psutil
import subprocess
import random
import string
import sys
from ctypes import *
from ctypes.wintypes import *

openProcess = windll.kernel32.OpenProcess
virtualProtectEx = windll.kernel32.VirtualProtectEx
writeProcessMemory = windll.kernel32.WriteProcessMemory
closeHandle = windll.kernel32.CloseHandle
getLastError = windll.kernel32.GetLastError

CREATE_SUSPENDED = 4
PROCESS_ALL_ACCESS = 0x1f0fff
PAGE_EXECUTE_READWRITE = 0x40

instanceStrAddress = 0x7433b4
syncStrAddress = 0x73bcdc

instanceStr = 'fonline_instance'
syncStr = '_fosync_'

def randomStr(length):
	return ''.join(random.choice(string.lowercase) for i in range(length))

def writeRandomStr(handle, originalStr, address):
	str = randomStr(len(originalStr))
	buffer = c_char_p(str)
	bufferSize = len(buffer.value)
	if not virtualProtectEx(handle, address, bufferSize, PAGE_EXECUTE_READWRITE, byref(c_ulong(0))):
		print originalStr, " VirtualProtectEx failed: ", getLastError()
	if not writeProcessMemory(handle, address, buffer, bufferSize, byref(c_ulong(0))):
		print originalStr, " WriteProcessMemory failed: ", getLastError()
		
if len(sys.argv) != 2:
	print ("Program accepts one parameter: FOnline executable path in quotes, "
		   "e. g. \"D:\FOnline2\FOnline 2.exe\"")
	sys.exit()

path = sys.argv[1]

proc = subprocess.Popen(args=[path], creationflags=CREATE_SUSPENDED)
handle = openProcess(PROCESS_ALL_ACCESS, False, proc.pid)

writeRandomStr(handle, instanceStr, instanceStrAddress)
writeRandomStr(handle, syncStr, syncStrAddress)
	
closeHandle(handle)

psutil.Process(proc.pid).resume()

runFonlineReloaded.py

import psutil
import subprocess
import random
import string
import sys
from ctypes import *
from ctypes.wintypes import *

openProcess = windll.kernel32.OpenProcess
virtualProtectEx = windll.kernel32.VirtualProtectEx
writeProcessMemory = windll.kernel32.WriteProcessMemory
closeHandle = windll.kernel32.CloseHandle
getLastError = windll.kernel32.GetLastError

CREATE_SUSPENDED = 4
PROCESS_ALL_ACCESS = 0x1f0fff
PAGE_EXECUTE_READWRITE = 0x40

syncStrAddress = 0x7446c0
syncStr = '_fosync_'

def randomStr(length):
	return ''.join(random.choice(string.lowercase) for i in range(length))

def writeRandomStr(handle, originalStr, address):
	str = randomStr(len(originalStr))
	buffer = c_char_p(str)
	bufferSize = len(buffer.value)
	if not virtualProtectEx(handle, address, bufferSize, PAGE_EXECUTE_READWRITE, byref(c_ulong(0))):
		print originalStr, " VirtualProtectEx failed: ", getLastError()
	if not writeProcessMemory(handle, address, buffer, bufferSize, byref(c_ulong(0))):
		print originalStr, " WriteProcessMemory failed: ", getLastError()
		
if len(sys.argv) != 2:
	print ("Program accepts one parameter: FOnline executable path in quotes, "
		   "e. g. \"D:\FOnline Reloaded\FOnline.exe\"")
	sys.exit()

path = sys.argv[1]

proc = subprocess.Popen(args=[path], creationflags=CREATE_SUSPENDED)
handle = openProcess(PROCESS_ALL_ACCESS, False, proc.pid)

writeRandomStr(handle, syncStr, syncStrAddress)
	
closeHandle(handle)

psutil.Process(proc.pid).resume()