88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
from sys import argv
|
|
|
|
# Currently the only possible value
|
|
SERVER_SUFFIX = "-Master-1"
|
|
|
|
|
|
def gen_stream(region_name: str, ip_address: str = "127.0.0.1", port: int = 22023) -> bytearray:
|
|
"""
|
|
Generates the bytearray with the specified values.
|
|
Port should currently always be 22023 for it to work
|
|
"""
|
|
|
|
# Make sure all variables are within the correct length range
|
|
if (len(region_name + SERVER_SUFFIX) > 0xff):
|
|
raise ValueError("Region name too long")
|
|
if (len(ip_address) > 0xff):
|
|
raise ValueError("IP-address too long")
|
|
if (port > 0x7fff):
|
|
raise ValueError("Port too high")
|
|
|
|
# Append region name
|
|
data = bytearray(len(region_name).to_bytes(5, "big"))
|
|
data += region_name.encode("ascii")
|
|
|
|
# Append ip address
|
|
data.append(len(ip_address))
|
|
data += ip_address.encode("ascii")
|
|
data.extend(0x1.to_bytes(4, "little"))
|
|
|
|
# Append server name
|
|
server_name = region_name + SERVER_SUFFIX
|
|
data.append(len(server_name))
|
|
data += server_name.encode("ascii")
|
|
|
|
# Append ip address in byte form
|
|
ip_address_bytes = bytearray()
|
|
for value in ip_address.split("."):
|
|
ip_address_bytes.append(int(value))
|
|
data += ip_address_bytes
|
|
data.extend(port.to_bytes(2, "little"))
|
|
data.extend(0x0.to_bytes(4, "big"))
|
|
|
|
return data
|
|
|
|
|
|
def write_file(region_name: str, ip_address: str = "127.0.0.1", file_name: str = "regionInfo.dat", port: int = 22023, *, log_bytes=False):
|
|
"""
|
|
Creates and writes the among us regionInfo.dat file.
|
|
Port should currently always be 22023 for it to work
|
|
|
|
|
|
Example:
|
|
```py
|
|
try:
|
|
writeFile("Example server", "169.0.0.1", port=12345))
|
|
print("Success!")
|
|
except Exception as error:
|
|
print(error)
|
|
```
|
|
"""
|
|
|
|
# Generate the file and save to the specified file name
|
|
data = gen_stream(region_name, ip_address, port)
|
|
with open(file_name, "wb") as file:
|
|
file.write(data)
|
|
|
|
# Log the bytes to stdout if specified
|
|
if (log_bytes):
|
|
print("Writing", content_from_stream(data), "to", file_name)
|
|
|
|
|
|
def content_from_stream(stream: bytearray) -> str:
|
|
"""
|
|
Create a string with the bytes in 'stream'
|
|
"""
|
|
hex_array = []
|
|
for byte in stream:
|
|
hex_array.append(hex(byte))
|
|
return "{" + ", ".join(hex_array) + "}"
|
|
|
|
|
|
if __name__ == "__main__":
|
|
if (len(argv) < 2):
|
|
print('Usage: python main.py "Server name" 169.0.0.1')
|
|
exit(1)
|
|
print(f"Creating file using arguments {argv[1:]}")
|
|
write_file(*argv[1:], log_bytes=True)
|