A short python script (no functions at all) to patch lincense check for sublime_text build 3211 Linux x64

sublimetext_3211_crack.py

import os


#sublime_binary_path = "/opt/sublime_text/sublime_text_b3211"
sublime_binary_path = "/tmp/sublime_text_3211/sublime_text"
version_magic_string = "/updates/3/stable/updatecheck?version=3211&platform=linux&arch=x64"
sz_magic_string = 66
#version_magic_string_offset = 0x00209ee0 # Offset from disassembler
version_magic_string_offset = 0x00009ee0 # (Real offset from xxd)

is_file_read = os.access(sublime_binary_path, os.R_OK)
if not is_file_read:
    print(f"File {sublime_binary_path} is not readable. Exit!")
    exit(1)
is_file_write = os.access(sublime_binary_path, os.W_OK)
if not is_file_write:
    print(f"File {sublime_binary_path} is not writable. Only check information")


f = open(sublime_binary_path, "rb")
f.seek(version_magic_string_offset)

data = f.read(sz_magic_string)
if data.decode() == version_magic_string:
    print("File matched sublime_text build 3211")

f.close()


first_cmp_offset = 0x0031ea2e
second_cmp_offset = 0x00315564
cmp_size = 0x3
cmp_value = b"\x83\xf8\x01"
cmp_patch = b"\x83\xf8\x02"


f = open(sublime_binary_path, "rb+")
f.seek(first_cmp_offset)
data = f.read(cmp_size)
if data == cmp_value:
    print(f"Found unpatched value at 0x{first_cmp_offset:x}")
    f.seek(first_cmp_offset)
    f.write(cmp_patch)
    #print(f"Data at 0x{first_cmp_offset:x}: {str(f.read(cmp_size)):x}")
f.seek(second_cmp_offset)
data = f.read(cmp_size)
if data == cmp_value:
    print(f"Found unpatched value at 0x{second_cmp_offset:x}")
    f.seek(second_cmp_offset)
    f.write(cmp_patch)
    #print(f"Data at 0x{second_cmp_offset:x}: {str(f.read(cmp_size)):x}")
f.close()