Cazador — the ssh-tunnel

Cazador — is a simply ssh-tunnel for simplify connections.

Can be used for:

1. experiments on localhost or local area network;
2. simplify access to remote ssh.

Disclaimer:

WARNING!

This software provide ssh-tunneling and password storing, it can be potentially dangerous! It's not recommended for using in real systems.

Config

Config file — is a simply yml file with sections:

• config — application parameters;
• port — server listen port (default 22);
• allow_empty_passwords — enable users without password;
• host_keys — list of OpenSSH key-files;
• users — dictionary with user_login: "password_hash" pairs;
• connections — dictionary with ssh login credentials, each element contains next structures:
• host — IP-address or hostname of destination ssh-server;
• port — listen port of destination ssh-server (default 22);
• username — user login;
• password — user password;
• commands — dictionary with names and shell-commands lists;
• routes — dictionary contains structures which provide relationship between user and connection with command.

config.yml example

config:
  port: 8022
  allow_empty_passwords: yes
  host_keys:
  - ssh_host_key
users:
  alpine:
  debian:
  admin: "5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8"  # sha256 of "password"
connections:
  docker:
    host: "127.0.0.1"
    username: "root"
    password: "password"
  local:
    host: "localhost"
    port: 22
    username: "user1"
    password: "password"
commands:
  alpine_docker:
  - "docker run -it --rm alpine ash"
  debian_docker:
  - "docker run -it --rm debian bash"
routes:
  alpine:
    connection: docker
    command: alpine_docker
  debian:
    connection: docker
    command: debian_docker
  admin:
    connection: local

Startup

Required Python 3.7+

1. pip install -r requirements;
2. exports CONFIG_PATH="/path/to/your/config.yml";
3. python app.py.

Or use docker

1. docker build -t cazador .;
2. docker run -d -p 22:22 -e CONFIG_PATH=/app/config.yml -v $(pwd)/config.yml:/app/config.yml:ro -v $(pwd)/ssh_host_key:/app/ssh_host_key:ro cazador;

MIT-License

Copyright (c) 2019 Bashkirtsevich LLC

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.