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WIP: completely automated docker setup

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Nils Bergmann 2021-12-07 14:50:05 +01:00
parent 498a9c0be4
commit 0add6853bf
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9
.dockerignore Normal file
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.git
Dockerfile
*.md
logo.png
versions.txt
build.sh
docker-compose.yml
.env
docker/__pycache__

3
.gitignore vendored
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# clangd
.cache
thirdparty/zlib-1.2.11/
.env
docker/__pycache__

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version: "3"
services:
database:
container_name: DarkflameDatabase
image: mariadb:latest
environment:
- MARIADB_USER=${MARIADB_USER:-darkflame}
- MARIADB_PASSWORD=${MARIADB_PASSWORD:-darkflame}
- MARIADB_ROOT_PASSWORD=${MARIADB_ROOT_PASSWORD:-darkflame}
- MARIADB_DATABASE=${MARIADB_DATABASE:-darkflame}
volumes:
- database:/var/lib/mysql
networks:
- darkflame
darkflame:
container_name: DarkFlameServer
networks:
- darkflame
build:
context: .
dockerfile: ./docker/Dockerfile
args:
- BUILD_THREADS=${BUILD_THREADS:-1}
environment:
- DATABASE=${MARIADB_DATABASE:-darkflame}
- DATABASE_HOST=database
- DATABASE_USER=${MARIADB_USER:-darkflame}
- DATABASE_PASSWORD=${MARIADB_PASSWORD:-darkflame}
volumes:
- $CLIENT_PATH:/client
networks:
darkflame:
volumes:
database:

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FROM debian:11-slim
WORKDIR /build
RUN --mount=type=cache,target=/var/cache/apt \
echo "Install build dependencies" && \
apt update && \
apt install gcc cmake zlib1g-dev make build-essential g++ mariadb-client git python3 -yqq --no-install-recommends && \
rm -rf /var/lib/apt/lists/*
COPY dAuthServer/ /build/dAuthServer
COPY dChatServer/ /build/dChatServer
COPY dCommon/ /build/dCommon
COPY dChatFilter/ /build/dChatFilter
COPY dDatabase/ /build/dDatabase
COPY dGame/ /build/dGame
COPY dMasterServer/ /build/dMasterServer
COPY dNet/ /build/dNet
COPY dPhysics/ /build/dPhysics
COPY dScripts/ /build/dScripts
COPY dWorldServer/ /build/dWorldServer
COPY dZoneManager/ /build/dZoneManager
COPY migrations/ /build/migrations
COPY resources/ /build/resources
COPY thirdparty/ /build/thirdparty
COPY vanity /build/vanity
COPY .clang-* CMake* LICENSE /build/
ARG BUILD_THREADS=1
RUN echo "Build server" && \
mkdir -p build && \
cd build && \
ls -lah && ls -lah ../ && cmake .. && \
make -j $BUILD_THREADS && \
mkdir -p /app && \
cp -R ./* /app && \
rm -rf /build
WORKDIR /app
ADD docker/*.py /app/utils/
COPY docker/start_server.sh /start_server.sh
RUN chmod +x /start_server.sh
CMD [ "/start_server.sh" ]

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"""
Module for sequential reading (ReadStream) and writing (WriteStream) from/to bytes.
Also includes objects for converting datatypes from/to bytes, similar to the standard library struct module.
"""
# https://github.com/lcdr/bitstream/blob/master/bitstream/__init__.py
import math
import struct
from abc import ABC, abstractmethod
from typing import AnyStr, ByteString, cast, Generic, overload, SupportsBytes, Type, TypeVar
T = TypeVar('T')
class _Struct(Generic[T]):
_struct: struct.Struct
def __new__(cls, value: T) -> bytes:
return cls._struct.pack(value)
def __str__(self) -> str:
return "<Struct %s>" % _Struct._struct.format
@classmethod
def deserialize(cls, stream: "ReadStream") -> T:
return cast(T, cls._struct.unpack(stream.read(bytes, length=cls._struct.size))[0])
class IntStruct(_Struct[int]):
pass
class UnsignedIntStruct(IntStruct):
@classmethod
def deserialize_compressed(cls, stream: "ReadStream") -> int:
number_of_bytes = cls._struct.size
current_byte = number_of_bytes - 1
while current_byte > 0:
if stream.read(c_bit):
current_byte -= 1
else:
# Read the rest of the bytes
read = stream.read(bytes, length=current_byte + 1) + bytes(number_of_bytes - current_byte - 1)
return cast(int, cls._struct.unpack(read)[0])
# All but the first bytes are 0. If the upper half of the last byte is a 0 (positive) or 16 (negative) then what we read will be a 1 and the remaining 4 bits.
# Otherwise we read a 0 and the 8 bits
if stream.read(c_bit):
start = bytes([stream.read_bits(4)])
else:
start = stream.read(bytes, length=1)
read = start + bytes(number_of_bytes - current_byte - 1)
return cast(int, cls._struct.unpack(read)[0])
class SignedIntStruct(IntStruct):
pass
class c_bool(_Struct[bool]):
_struct = struct.Struct("<?")
class c_float(_Struct[float]):
_struct = struct.Struct("<f")
class c_double(_Struct[float]):
_struct = struct.Struct("<d")
class c_int(SignedIntStruct):
_struct = struct.Struct("<i")
class c_uint(UnsignedIntStruct):
_struct = struct.Struct("<I")
class c_byte(SignedIntStruct):
_struct = struct.Struct("<b")
class c_ubyte(UnsignedIntStruct):
_struct = struct.Struct("<B")
class c_short(SignedIntStruct):
_struct = struct.Struct("<h")
class c_ushort(UnsignedIntStruct):
_struct = struct.Struct("<H")
class c_long(SignedIntStruct):
_struct = struct.Struct("<l")
class c_ulong(UnsignedIntStruct):
_struct = struct.Struct("<L")
class c_longlong(SignedIntStruct):
_struct = struct.Struct("<q")
class c_ulonglong(UnsignedIntStruct):
_struct = struct.Struct("<Q")
c_int8 = c_byte
c_uint8 = c_ubyte
c_int16 = c_short
c_uint16 = c_ushort
c_int32 = c_long
c_uint32 = c_ulong
c_int64 = c_longlong
c_uint64 = c_ulonglong
class c_bit:
def __init__(self, boolean: bool):
self.value = boolean
class Serializable(ABC):
"""By inheriting from this class you can create types which you can pass to the read/write bitstream functions."""
@abstractmethod
def serialize(self, stream: "WriteStream") -> None:
"""Write this object to the bitstream."""
pass
@classmethod
@abstractmethod
def deserialize(cls, stream: "ReadStream") -> "Serializable":
"""Create a new object from the bitstream."""
pass
S = TypeVar('S', bound=Serializable)
class ReadStream:
"""Allows simple sequential reading from bytes."""
_data: bytes
def __init__(self, data: bytes, unlocked: bool=False):
self._data = data
self._unlocked = unlocked
self._read_offset = 0
@property
def read_offset(self) -> int:
if not self._unlocked:
raise RuntimeError("access to read offset on locked stream")
return self._read_offset
@read_offset.setter
def read_offset(self, value: int) -> None:
if not self._unlocked:
raise RuntimeError("access to read offset on locked stream")
self._read_offset = value
def skip_read(self, byte_length: int) -> None:
"""Skips reading byte_length number of bytes."""
self._read_offset += byte_length * 8
@overload
def read(self, arg_type: Type[_Struct[T]]) -> T:
pass
@overload
def read(self, arg_type: Type[c_bit]) -> bool:
pass
@overload
def read(self, arg_type: Type[S]) -> S:
pass
@overload
def read(self, arg_type: Type[bytes], length: int) -> bytes:
pass
@overload
def read(self, arg_type: Type[bytes], allocated_length: int=None, length_type: Type[UnsignedIntStruct]=None) -> bytes:
pass
@overload
def read(self, arg_type: Type[str], allocated_length: int=None, length_type: Type[UnsignedIntStruct]=None) -> str:
pass
def read(self, arg_type, length=None, allocated_length=None, length_type=None):
"""
Read a value of type arg_type from the bitstream.
allocated_length is for fixed-length strings.
length_type is for variable-length strings.
"""
if issubclass(arg_type, _Struct):
return arg_type.deserialize(self)
if issubclass(arg_type, c_bit):
return self._read_bit()
if issubclass(arg_type, Serializable):
return arg_type.deserialize(self)
if allocated_length is not None or length_type is not None:
return self._read_str(arg_type, allocated_length, length_type)
if issubclass(arg_type, bytes):
return self._read_bytes(length)
raise TypeError(arg_type)
def _read_str(self, arg_type: Type[AnyStr], allocated_length: int=None, length_type: Type[UnsignedIntStruct]=None) -> AnyStr:
if issubclass(arg_type, str):
char_size = 2
else:
char_size = 1
if length_type is not None:
# Variable-length string
length = self.read(length_type)
value = self._read_bytes(length*char_size)
elif allocated_length is not None:
# Fixed-length string
value = self._read_bytes(allocated_length*char_size)
# find null terminator
for i in range(len(value)):
char = value[i*char_size:(i+1)*char_size]
if char == bytes(char_size):
value = value[:i*char_size]
break
else:
raise RuntimeError("String doesn't have null terminator")
else:
raise ValueError
if issubclass(arg_type, str):
return value.decode("utf-16-le")
return value
def _read_bit(self) -> bool:
bit = self._data[self._read_offset // 8] & 0x80 >> self._read_offset % 8 != 0
self._read_offset += 1
return bit
def read_bits(self, number_of_bits: int) -> int:
assert 0 < number_of_bits < 8
output = (self._data[self._read_offset // 8] << self._read_offset % 8) & 0xff # First half
if self._read_offset % 8 != 0 and number_of_bits > 8 - self._read_offset % 8: # If we have a second half, we didn't read enough bytes in the first half
output |= self._data[self._read_offset // 8 + 1] >> 8 - self._read_offset % 8 # Second half (overlaps byte boundary)
output >>= 8 - number_of_bits
self._read_offset += number_of_bits
return output
def _read_bytes(self, length: int) -> bytes:
if self._read_offset % 8 == 0:
num_bytes_read = length
else:
num_bytes_read = length+1
# check whether there is enough left to read
if len(self._data) - self._read_offset//8 < num_bytes_read:
raise EOFError("Trying to read %i bytes but only %i remain" % (num_bytes_read, len(self._data) - self._read_offset // 8))
if self._read_offset % 8 == 0:
output = self._data[self._read_offset // 8:self._read_offset // 8 + num_bytes_read]
else:
# data is shifted
# clear the part before the struct
firstbyte = self._data[self._read_offset // 8] & ((1 << 8 - self._read_offset % 8) - 1)
output = firstbyte.to_bytes(1, "big") + self._data[self._read_offset // 8 + 1:self._read_offset // 8 + num_bytes_read]
# shift back
output = (int.from_bytes(output, "big") >> (8 - self._read_offset % 8)).to_bytes(length, "big")
self._read_offset += length * 8
return output
def read_compressed(self, arg_type: Type[UnsignedIntStruct]) -> int:
return arg_type.deserialize_compressed(self)
def read_remaining(self) -> bytes:
return self._read_bytes(len(self._data) - int(math.ceil(self._read_offset / 8)))
def align_read(self) -> None:
if self._read_offset % 8 != 0:
self._read_offset += 8 - self._read_offset % 8
def all_read(self) -> bool:
# This is not accurate to the bit, just to the byte
return math.ceil(self._read_offset / 8) == len(self._data)
# Note: a ton of the logic here assumes that the write offset is never moved back, that is, that you never overwrite things
# Doing so may break everything
class WriteStream(SupportsBytes):
"""Allows simple sequential writing to bytes."""
_data: bytearray
def __init__(self) -> None:
self._data = bytearray()
self._write_offset = 0
self._was_cast_to_bytes = False
def __bytes__(self) -> bytes:
if self._was_cast_to_bytes:
raise RuntimeError("WriteStream can only be cast to bytes once")
self._was_cast_to_bytes = True
return bytes(self._data)
@overload
def write(self, arg: ByteString) -> None:
pass
@overload
def write(self, arg: _Struct) -> None:
pass
@overload
def write(self, arg: c_bit) -> None:
pass
@overload
def write(self, arg: Serializable) -> None:
pass
@overload
def write(self, arg: AnyStr, allocated_length: int=None, length_type: Type[UnsignedIntStruct]=None) -> None:
pass
def write(self, arg, allocated_length=None, length_type=None):
"""
Write a value to the bitstream.
allocated_length is for fixed-length strings.
length_type is for variable-length strings.
"""
if isinstance(arg, c_bit):
self._write_bit(arg.value)
return
if isinstance(arg, Serializable):
arg.serialize(self)
return
if allocated_length is not None or length_type is not None:
self._write_str(arg, allocated_length, length_type)
return
if isinstance(arg, (bytes, bytearray)):
self._write_bytes(arg)
return
raise TypeError(arg)
def _write_str(self, str_: AnyStr, allocated_length: int=None, length_type: Type[UnsignedIntStruct]=None) -> None:
# possibly include default encoded length for non-variable-length strings (seems to be 33)
if isinstance(str_, str):
encoded_str = str_.encode("utf-16-le")
else:
encoded_str = str_
if length_type is not None:
# Variable-length string
self.write(length_type(len(str_))) # note: there's also a version that uses the length of the encoded string, should that be used?
elif allocated_length is not None:
# Fixed-length string
# null terminator
if isinstance(str_, str):
char_size = 2
else:
char_size = 1
if len(str_)+1 > allocated_length:
raise ValueError("String too long!")
encoded_str += bytes(allocated_length*char_size-len(encoded_str))
self._write_bytes(encoded_str)
def _write_bit(self, bit: bool) -> None:
self._alloc_bits(1)
if bit: # we don't actually have to do anything if the bit is 0
self._data[self._write_offset//8] |= 0x80 >> self._write_offset % 8
self._write_offset += 1
def write_bits(self, value: int, number_of_bits: int) -> None:
assert 0 < number_of_bits < 8
self._alloc_bits(number_of_bits)
if number_of_bits < 8: # In the case of a partial byte, the bits are aligned from the right (bit 0) rather than the left (as in the normal internal representation)
value = value << (8 - number_of_bits) & 0xff # Shift left to get the bits on the left, as in our internal representation
if self._write_offset % 8 == 0:
self._data[self._write_offset//8] = value
else:
self._data[self._write_offset//8] |= value >> self._write_offset % 8 # First half
if 8 - self._write_offset % 8 < number_of_bits: # If we didn't write it all out in the first half (8 - self._write_offset % 8 is the number we wrote in the first half)
self._data[self._write_offset//8 + 1] = (value << 8 - self._write_offset % 8) & 0xff # Second half (overlaps byte boundary)
self._write_offset += number_of_bits
def _write_bytes(self, byte_arg: bytes) -> None:
if self._write_offset % 8 == 0:
self._data[self._write_offset//8:self._write_offset//8+len(byte_arg)] = byte_arg
else:
# shift new input to current shift
new = (int.from_bytes(byte_arg, "big") << (8 - self._write_offset % 8)).to_bytes(len(byte_arg)+1, "big")
# update current byte
self._data[self._write_offset//8] |= new[0]
# add rest
self._data[self._write_offset//8+1:self._write_offset//8+1+len(byte_arg)] = new[1:]
self._write_offset += len(byte_arg)*8
@overload
def write_compressed(self, byte_arg: UnsignedIntStruct) -> None:
pass
@overload
def write_compressed(self, byte_arg: bytes) -> None:
pass
def write_compressed(self, byte_arg) -> None:
current_byte = len(byte_arg) - 1
# Write upper bytes with a single 1
# From high byte to low byte, if high byte is 0 then write 1. Otherwise write 0 and the remaining bytes
while current_byte > 0:
is_zero = byte_arg[current_byte] == 0
self._write_bit(is_zero)
if not is_zero:
# Write the remainder of the data
self._write_bytes(byte_arg[:current_byte + 1])
return
current_byte -= 1
# If the upper half of the last byte is 0 then write 1 and the remaining 4 bits. Otherwise write 0 and the 8 bits.
is_zero = byte_arg[0] & 0xF0 == 0x00
self._write_bit(is_zero)
if is_zero:
self.write_bits(byte_arg[0], 4)
else:
self._write_bytes(byte_arg[:1])
def align_write(self) -> None:
"""Align the write offset to the byte boundary."""
if self._write_offset % 8 != 0:
self._alloc_bits(8 - self._write_offset % 8)
self._write_offset += 8 - self._write_offset % 8
def _alloc_bits(self, number_of_bits: int) -> None:
bytes_to_allocate: int = math.ceil((self._write_offset + number_of_bits) / 8) - len(self._data)
if bytes_to_allocate > 0:
self._data += bytes(bytes_to_allocate)

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import argparse
import os.path
import zlib
def decompress(data):
assert data[:5] == b"sd0\x01\xff"
pos = 5
out = b""
while pos < len(data):
length = int.from_bytes(data[pos:pos+4], "little")
pos += 4
out += zlib.decompress(data[pos:pos+length])
pos += length
return out
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("in_path")
parser.add_argument(
"--out_path", help="If not provided, output file is in the script directory")
args = parser.parse_args()
if args.out_path is None:
filename, ext = os.path.splitext(os.path.basename(args.in_path))
args.out_path = filename+"_decompressed"+ext
with open(args.in_path, "rb") as file:
data = file.read()
with open(args.out_path, "wb") as file:
file.write(decompress(data))
print("Decompressed file:", args.out_path)

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import hashlib
import os
import struct
import argparse
import hashlib
import decompress_sd0
from bitstream import c_bool, c_int, c_ubyte, c_uint, ReadStream
args = {}
class PKExtractor:
def load(self, path: str, output: str) -> None:
self.records = {}
filenames = {}
for filename in ("trunk.txt", "hotfix.txt"):
filenames.update(self._load_filehashes(
os.path.join(path, "versions", filename)))
print("Loaded hashes")
pks = []
for dir, _, files in os.walk(os.path.join(path, "client/res/pack")):
for file in files:
if file.endswith(".pk"):
pks.append(os.path.join(dir, file))
for pk in pks:
self._load_pk(pk, filenames)
for filename in sorted(self.records.keys()):
print(filename)
self._save_path(output, filename)
def _load_filehashes(self, path: str):
filenames = {}
with open(path) as file:
for line in file.read().splitlines()[3:]:
values = line.split(",")
filenames[values[2]] = values[0]
return filenames
def _load_pki(self, path: str):
# unused, alternate way to get the list of pks
with open(path, "rb") as file:
stream = ReadStream(file.read())
assert stream.read(c_uint) == 3
pack_files = []
for _ in range(stream.read(c_uint)):
pack_files.append(stream.read(
bytes, length_type=c_uint).decode("latin1"))
for _ in range(stream.read(c_uint)):
stream.skip_read(20)
assert stream.all_read()
return pack_files
def _load_pk(self, path: str, filenames) -> None:
with open(path, "rb") as file:
assert file.read(7) == b"ndpk\x01\xff\x00"
file.seek(-8, 2)
number_of_records_address = struct.unpack("I", file.read(4))[0]
unknown = struct.unpack("I", file.read(4))[0]
if unknown != 0:
print(unknown, path)
file.seek(number_of_records_address)
data = ReadStream(file.read()[:-8])
number_of_records = data.read(c_uint)
for _ in range(number_of_records):
pk_index = data.read(c_uint)
unknown1 = data.read(c_int)
unknown2 = data.read(c_int)
original_size = data.read(c_uint)
original_md5 = data.read(bytes, length=32).decode()
unknown3 = data.read(c_uint)
compressed_size = data.read(c_uint)
compressed_md5 = data.read(bytes, length=32).decode()
unknown4 = data.read(c_uint)
data_position = data.read(c_uint)
is_compressed = data.read(c_bool)
unknown5 = data.read(c_ubyte)
unknown6 = data.read(c_ubyte)
unknown7 = data.read(c_ubyte)
if original_md5 not in filenames:
filenames[original_md5] = "unlisted/"+original_md5
self.records[filenames[original_md5]
] = path, data_position, is_compressed, original_size, original_md5, compressed_size, compressed_md5
def extract_data(self, path: str) -> bytes:
pk_path, data_position, is_compressed, original_size, original_md5, compressed_size, compressed_md5 = self.records[
path]
with open(pk_path, "rb") as file:
file.seek(data_position)
if is_compressed:
data = file.read(compressed_size)
else:
data = file.read(original_size)
assert file.read(5) == b"\xff\x00\x00\xdd\x00"
if is_compressed:
assert hashlib.md5(data).hexdigest() == compressed_md5
data = decompress_sd0.decompress(data)
assert hashlib.md5(data).hexdigest() == original_md5
return data
def _save_path(self, outdir: str, path: str) -> None:
original_md5 = self.records[path][4]
dir, filename = os.path.split(path)
out = os.path.join(outdir, dir)
os.makedirs(out, exist_ok=True)
out_file_path = os.path.join(out, filename)
if os.path.isfile(out_file_path):
with open(out_file_path, "rb") as f:
file_hash = hashlib.md5()
while chunk := f.read(8192):
file_hash.update(chunk)
if file_hash.hexdigest() == original_md5:
print("File %s already exists with correct md5 %s" %
(path, original_md5))
return
data = self.extract_data(path)
with open(out_file_path, "wb") as file:
file.write(data)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("client_path")
parser.add_argument("output_path")
args = parser.parse_args()
app = PKExtractor()
app.load(args.client_path, args.output_path)

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#!/bin/bash
function set_defaults() {
DATABASE_PORT=${DATABASE_PORT:-3306}
DATABASE=${DATABASE:-darkflame}
if [[ -z $DATABASE_PASSWORD ]]; then
USE_DATABASE_PASSWORD="No"
else
USE_DATABASE_PASSWORD="Yes"
fi
CHAT_SERVER_PORT=${CHAT_SERVER_PORT:-2005}
MAX_CLIENTS=${MAX_CLIENTS:-999}
echo "Start server with configuration:"
echo "===== Database Config ========="
echo "Database: $DATABASE"
echo "Database host: $DATABASE_HOST"
echo "Database port: $DATABASE_PORT"
echo "Database user: $DATABASE_USER"
echo "Database password set: $USE_DATABASE_PASSWORD"
echo "===== Other settings =========="
echo "Chat server port: $CHAT_SERVER_PORT"
echo "Max clients: $MAX_CLIENTS"
}
function check_sql_connection() {
until echo '\q' | mysql -h"$DATABASE_HOST" -P"$DATABASE_PORT" -u"$DATABASE_USER" -p"$DATABASE_PASSWORD" $DATABASE; do
>&2 echo "MySQL/MariaDB is unavailable - sleeping"
sleep 1
done
}
function update_ini() {
INI_FILE=$1
KEY=$2
NEW_VALUE=$3
sed -i "/^$KEY=/s/=.*/=$NEW_VALUE/" $INI_FILE
}
function update_ini_values() {
update_ini worldconfig.ini mysql_host $DATABASE_HOST
update_ini worldconfig.ini mysql_database $DATABASE
update_ini worldconfig.ini mysql_username $DATABASE_USER
update_ini worldconfig.ini mysql_password $USE_DATABASE_PASSWORD
update_ini worldconfig.ini chat_server_port $CHAT_SERVER_PORT
update_ini worldconfig.ini max_clients $MAX_CLIENTS
}
set_defaults
check_sql_connection
update_ini_values
if [[ ! -d "/client" ]]; then
echo "Client not found."
echo "Did you forgot to mount the client into the \"/client\" directory?"
exit 1
fi
if [[ ! -f "/client/extracted" ]]; then
echo "Start client resource extraction"
python3 /app/utils/pkextractor.py /client/ /client/
touch /client/extracted
else
echo "Client already extracted. Skip this step"
echo "If you want to force re-extract, just delete the file called \"extracted\" in the client directory"
fi
while [[ 1 ]]; do
sleep 1
echo "Hello"
done