LiveSafari Fix

fix.py

#!/usr/bin/env python3
import struct
import os,sys

extfun=lambda x: x

def read_file_hex(file_path):
    file_object = open(file_path,'rb')
    file_object.seek(0,0)
    hex_str =''
    byte = file_object.read()
    if byte:
        for b in byte:
            hex_str += ('%02X' % extfun(b))
    file_object.close()
    return hex_str

def wirte_to_file(hex,file_path):
    fout = open(file_path,'wb')
    for i in range(len(hex)//2):
        x = int(hex[2*i:2*(i+1)], 16)
        fout.write(struct.pack('B', extfun(x)))
    fout.close()

def hex_replace(hex,find_str,replace_str):
    return hex.replace(find_str,replace_str)


if __name__=='__main__':
    file_str = read_file_hex('/Library/MobileSubstrate/DynamicLibraries/LiveSafari.dylib')
    new_file_str = hex_replace(file_str,"02000080","02000000")
    wirte_to_file(new_file_str,'/Library/MobileSubstrate/DynamicLibraries/LiveSafari.dylib')
    os.system("ldid -S /Library/MobileSubstrate/DynamicLibraries/LiveSafari.dylib")