import hashlib
import zlib
import argparse
def update_game_xci_with_initial_data(game_bin_path, initial_data_path):
with open(initial_data_path, 'rb') as initial_data_bin:
initial_data_content = initial_data_bin.read()
# Extract the relevant data from initial_data.bin that needs to be matched in game.xci
data_to_match = initial_data_content[0x0:0x8] # For example, the first 8 bytes
# Update game.xci with the extracted data
with open(game_bin_path, 'r+b') as game_bin:
game_bin.seek(0x110) # Assuming the data needs to be updated at offset 0x110
game_bin.write(data_to_match)
with open(initial_data_path, 'rb') as initial_data_bin:
initial_data_bin_content = initial_data_bin.read()
new_sha256 = hashlib.sha256(initial_data_bin_content).digest()
with open(game_bin_path, 'r+b') as game_bin:
# Update game.xci with new SHA256
game_bin.seek(0x160)
game_bin.write(new_sha256)
def main():
parser = argparse.ArgumentParser(description="Update game.xci to match data from initial_data.bin")
parser.add_argument("game_bin_path", help="Path to the game.xci file")
parser.add_argument("initial_data_path", help="Path to the initial_data.bin file")
args = parser.parse_args()
update_game_xci_with_initial_data(args.game_bin_path, args.initial_data_path)
print('game.xci has been updated.')
if __name__ == "__main__":
main()
