ssh-separator

Tool to distribute ssh connections to docker containers for each user

Requirement

• docker

Usage

Launch

It can be started using docker. For more information about environment variables, please see Environment Variables.

example

$ wget https://github.com/CPCTF2022/ssh-separator/raw/main/docker-compose.yaml
$ docker compose up

REST API

You can add users and reset the container for users via REST API. See OpenAPI for details.

Environment Variables

variable	description	example value
WELCOME	The string displayed upon successful login.	Login success!
API_KEY	API key for REST API.	aeneexiene7uu3fie4pa
API_PORT	Port for REST API	3000
SSH_PORT	Port for ssh	2222
IMAGE_NAME	Docker image for user container	mazrean/cpctf-ubuntu:latest
IMAGE_USER	Username in user containers.	ubuntu
IMAGE_CMD	Shell in user containers.	/bin/bash
CPU_LIMIT	The number of CPUs to allocate to user containers.	0.5
MEMORY_LIMIT	Memory limits for user containers.	1024
PIDS_LIMIT	Limit the number of processes to user containers	-1
BADGER_DIR	Directory where user data is stored.	/var/lib/ssh-separator
PROMETHEUS	If true, provide metrics for prometheus.	true

Author

Shunsuke Wakamatsu (a.k.a mazrean)

Licence

MIT