1simple-noauth.go

package main

import (
	"io"

	"github.com/progrium/automata/pkg/ssh"
)

func main() {
	ssh.ListenAndServe(":2222", func(s ssh.Session) {
		io.WriteString(s, "Hello world\n")
	})
}

2password-exit.go

package main

import (
	"io"

	"github.com/progrium/automata/pkg/ssh"
)

func main() {
	ssh.Handle(func(s ssh.Session) {
		io.WriteString(s, "Goodbye world\n")
		s.Exit(1)
	})
	ssh.ListenAndServe(":2222", nil,
		ssh.HostKeyFile("/Users/progrium/.ssh/id_rsa"),
		ssh.PasswordAuth(func(user, pass string) bool {
			return pass == "secret"
		}))
}

3user-env.go

package main

import (
	"fmt"
	"io"
	"io/ioutil"

	"github.com/progrium/automata/pkg/ssh"
)

func main() {
	ssh.Handle(func(s ssh.Session) {
		username, addr := s.User()
		fmt.Fprintf(s, "Environment for %s (%s)\n", username, addr)
		for _, env := range s.Environ() {
			fmt.Fprintf(s, "%s\n", env)
		}
	})
	ssh.ListenAndServe(":2222", nil,
		ssh.HostKeyFile("/Users/progrium/.ssh/id_rsa"),
		ssh.PublicKeyAuth(func(user string, key ssh.PublicKey) bool {
			d, _ := ioutil.ReadFile("/Users/progrium/.ssh/id_rsa.pub")
			allowed, _, _, _, _ := ssh.ParseAuthorizedKey(d)
			return ssh.KeysEqual(key, allowed)
		}))
}