Configuration files are automatically generated based on env variables in the Docker image

Reviewed-on: #26

.dockerignore

@@ -10,9 +10,12 @@ Dockerfile
 .gitkeep
 
 # Compiled quests
-gamefiles/locale/english/quest/object/
-gamefiles/locale/english/quest/pre_qc/
-gamefiles/locale/english/quest/qc
+gamefiles/data/quest/object/
+gamefiles/data/quest/pre_qc/
+gamefiles/data/quest/qc
 
 # Test folder
 test/
+
+# Built files
+build/

.idea/encodings.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="PROJECT" charset="EUC-KR" />
-  </component>
-</project>

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "cmake.configureOnOpen": true
+}

Dockerfile

@@ -1,6 +1,11 @@
-FROM ubuntu:latest as build
+FROM ubuntu:22.04 as build
 WORKDIR /app
 
+# Set up the CMake repository
+RUN apt-get update && apt-get install -y ca-certificates gpg wget
+RUN wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null
+RUN echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ jammy main' | tee /etc/apt/sources.list.d/kitware.list >/dev/null
+
 # Update the system and install various dependencies
 RUN apt-get update && \
     apt-get install -y git cmake ninja-build build-essential tar curl zip unzip pkg-config autoconf python3 \
@@ -12,7 +17,7 @@ ENV VCPKG_FORCE_SYSTEM_BINARIES=1
 # Install vcpkg and the required libraries
 RUN git clone https://github.com/Microsoft/vcpkg.git
 RUN bash ./vcpkg/bootstrap-vcpkg.sh
-RUN ./vcpkg/vcpkg install boost-system cryptopp effolkronium-random libmysql libevent lzo fmt spdlog
+RUN ./vcpkg/vcpkg install boost-system cryptopp effolkronium-random libmysql libevent lzo fmt spdlog argon2
 
 COPY . .
 
@@ -21,10 +26,10 @@ RUN mkdir build/
 RUN cd build && cmake -DCMAKE_TOOLCHAIN_FILE=vcpkg/scripts/buildsystems/vcpkg.cmake ..
 RUN cd build && make -j $(nproc)
 
-FROM ubuntu:latest as app
+FROM ubuntu:22.04 as app
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y python2 libdevil-dev libbsd-dev && apt-get clean
+RUN apt-get update && apt-get install -y gettext python2 libdevil-dev libbsd-dev && apt-get clean
 
 # Copy the binaries from the build stage
 COPY --from=build /app/build/src/db/db /bin/db
@@ -34,8 +39,11 @@ COPY --from=build /app/build/src/quest/qc /bin/qc
 # Copy the game files
 COPY ./gamefiles/ .
 
+# Copy the auxiliary files
+COPY ./docker/ .
+
 # Compile the quests
-RUN cd /app/locale/english/quest && python2 make.py
+RUN cd /app/data/quest && python2 make.py
 
 # Symlink the configuration files
 RUN ln -s "./conf/CMD" "CMD"
@@ -43,3 +51,9 @@ RUN ln -s ./conf/item_names_en.txt item_names.txt
 RUN ln -s ./conf/item_proto.txt item_proto.txt
 RUN ln -s ./conf/mob_names_en.txt mob_names.txt
 RUN ln -s ./conf/mob_proto.txt mob_proto.txt
+
+# Set up default environment variables
+ENV PUBLIC_BIND_IP 0.0.0.0
+ENV INTERNAL_BIND_IP 0.0.0.0
+
+ENTRYPOINT ["/usr/bin/bash", "docker-entrypoint.sh"]

README.md

@@ -35,11 +35,11 @@ Also install DevIL (1.7.8) and the BSD compatibility library:
 apt-get install -y libdevil-dev libbsd-dev
 ```
 
-Install `vcpkg` according to the [lastest instructions](https://vcpkg.io/en/getting-started.html).
+Install `vcpkg` according to the [latest instructions](https://vcpkg.io/en/getting-started.html).
 
 Build and install the required libraries:
 ```shell
-vcpkg install boost-system cryptopp effolkronium-random libmysql libevent lzo fmt spdlog
+vcpkg install boost-system cryptopp effolkronium-random libmysql libevent lzo fmt spdlog argon2
 ```
 
 Then, it's time to build your binaries. Your commands should look along the lines of:
@@ -79,8 +79,9 @@ goodies you wish. Also, a lot of time.
 - Removed unused functionalities (time bombs, activation servers, other Korean stuff)
 - Switched to the [effolkronium/random PRNG](https://github.com/effolkronium/random) instead of the standard C functions.
 - Refactored macros to modern C++ functions.
-- Network settings are manually configurable through the `PUBLIC_IP`, `PUBLIC_BIND_IP`, `INTERNAL_IP`, `INTERNAL_BIND_IP` settings in the `CONFIG` file. (Might need further work)
+- Network settings are manually configurable through the `PUBLIC_IP`, `PUBLIC_BIND_IP`, `INTERNAL_IP`, `INTERNAL_BIND_IP` settings in the `game.conf` file. (Might need further work)
 - Refactored logging to use [spdlog](https://github.com/gabime/spdlog) for more consistent function calls.
+- Refactored login code to use Argon2ID.
 
 ## 4. Bugfixes
 **WARNING: This project is based on the "kraizy" leak. That was over 10 years ago.
@@ -101,7 +102,7 @@ This is a very serious security risk and one of the reasons this project is stil
 - Fixed buffer overruns and integer overflows in SQL queries.
 
 ## 5. Further plans
-- Migrate `conf.txt` and `CONFIG` to a modern dotenv-like format, which would enable pretty nice Docker images.
+- Migrate `db.conf` and `game.conf` to a modern dotenv-like format, which would enable pretty nice Docker images.
 - Add a health check to the Docker image.
 - Use the [fmt](https://fmt.dev/latest/index.html) library for safe and modern string formatting.
 - Handle kernel signals (SIGTERM, SIGHUP etc.) for gracefully shutting down the game server.

docker/conf/db.conf.tmpl

@@ -0,0 +1,18 @@
+WELCOME_MSG = "DB Server has been started"
+
+SQL_ACCOUNT = "${MYSQL_HOST} ${MYSQL_DB_ACCOUNT} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_PORT}"
+SQL_COMMON  = "${MYSQL_HOST} ${MYSQL_DB_COMMON} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_PORT}"
+SQL_PLAYER  = "${MYSQL_HOST} ${MYSQL_DB_PLAYER} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_PORT}"
+
+TABLE_POSTFIX = ""
+
+BIND_PORT                 = ${DB_PORT}
+DB_SLEEP_MSEC             = 10
+CLIENT_HEART_FPS          = 10
+HASH_PLAYER_LIFE_SEC      = 600
+BACKUP_LIMIT_SEC          = 3600
+PLAYER_ID_START           = 100
+PLAYER_DELETE_LEVEL_LIMIT = 70
+
+ITEM_ID_RANGE = 10000001 20000000
+TEST_SERVER = ${TEST_SERVER}

docker/conf/game.conf.tmpl

@@ -0,0 +1,41 @@
+HOSTNAME: ${GAME_HOSTNAME}
+CHANNEL: ${GAME_CHANNEL}
+
+PUBLIC_IP: ${PUBLIC_IP}
+PUBLIC_BIND_IP: ${PUBLIC_BIND_IP}
+INTERNAL_IP: ${INTERNAL_IP}
+INTERNAL_BIND_IP: ${INTERNAL_BIND_IP}
+PORT: ${GAME_PORT}
+P2P_PORT: ${GAME_P2P_PORT}
+
+DB_ADDR: ${DB_ADDR}
+DB_PORT: ${DB_PORT}
+
+COMMON_SQL: ${MYSQL_HOST} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_DB_COMMON} ${MYSQL_PORT}
+LOG_SQL: ${MYSQL_HOST} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_DB_LOG} ${MYSQL_PORT}
+PLAYER_SQL: ${MYSQL_HOST} ${MYSQL_USER} ${MYSQL_PASSWORD} ${MYSQL_DB_PLAYER} ${MYSQL_PORT}
+TABLE_POSTFIX:
+
+AUTH_SERVER: ${GAME_AUTH_SERVER}
+MARK_SERVER: ${GAME_MARK_SERVER}
+
+MAP_ALLOW: ${GAME_MAP_ALLOW}
+MAX_LEVEL: ${GAME_MAX_LEVEL}
+PK_PROTECT_LEVEL: 15
+SPAM_BLOCK_MAX_LEVEL: 90
+GOLD_DROP_LIMIT_TIME: 10
+MALL_URL: ${GAME_MALL_URL}
+
+CHECK_MULTIHACK: 0
+SPEEDHACK_LIMIT_COUNT: 300
+SPEEDHACK_LIMIT_BONUS: 80
+
+ADMINPAGE_IP: 127.0.0.1
+ADMINPAGE_PASSWORD: metin2adminpass
+
+PASSES_PER_SEC: 25
+SAVE_EVENT_SECOND_CYCLE: 180
+PING_EVENT_SECOND_CYCLE: 180
+VIEW_RANGE: 8000
+
+TEST_SERVER: ${TEST_SERVER}

docker/docker-entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+# docker-entrypoint.sh
+
+# Generate configuration files based on environment variables
+envsubst <"/app/conf/db.conf.tmpl" >"/app/db.conf"
+envsubst <"/app/conf/game.conf.tmpl" >"/app/game.conf"
+
+# Run the standard container command.
+exec "$@"

gamefiles/conf/CMD

@@ -41,8 +41,6 @@ tstr IMPLEMENTOR
 tint IMPLEMENTOR
 tcon IMPLEMENTOR
 mob_ld IMPLEMENTOR
-pcbang_check IMPLEMENTOR
-pcbang_update IMPLEMENTOR
 setqf IMPLEMENTOR
 delqf IMPLEMENTOR
 effect IMPLEMENTOR