mirror of
https://github.com/slackhq/nebula.git
synced 2025-01-11 03:48:12 +00:00
109 lines
1.8 KiB
Go
109 lines
1.8 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"net"
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"github.com/slackhq/nebula/config"
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"github.com/slackhq/nebula/service"
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)
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func main() {
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if err := run(); err != nil {
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log.Fatalf("%+v", err)
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}
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}
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func run() error {
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configStr := `
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tun:
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user: true
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static_host_map:
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'192.168.100.1': ['localhost:4242']
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listen:
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host: 0.0.0.0
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port: 4241
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lighthouse:
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am_lighthouse: false
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interval: 60
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hosts:
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- '192.168.100.1'
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firewall:
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outbound:
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# Allow all outbound traffic from this node
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- port: any
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proto: any
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host: any
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inbound:
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# Allow icmp between any nebula hosts
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- port: any
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proto: icmp
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host: any
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- port: any
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proto: any
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host: any
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pki:
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ca: /home/rice/Developer/nebula-config/ca.crt
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cert: /home/rice/Developer/nebula-config/app.crt
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key: /home/rice/Developer/nebula-config/app.key
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`
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var cfg config.C
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if err := cfg.LoadString(configStr); err != nil {
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return err
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}
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svc, err := service.New(&cfg)
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if err != nil {
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return err
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}
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ln, err := svc.Listen("tcp", ":1234")
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if err != nil {
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return err
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}
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for {
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conn, err := ln.Accept()
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if err != nil {
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log.Printf("accept error: %s", err)
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break
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}
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defer func(conn net.Conn) {
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_ = conn.Close()
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}(conn)
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log.Printf("got connection")
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_, err = conn.Write([]byte("hello world\n"))
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if err != nil {
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log.Printf("write error: %s", err)
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}
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scanner := bufio.NewScanner(conn)
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for scanner.Scan() {
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message := scanner.Text()
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_, err = fmt.Fprintf(conn, "echo: %q\n", message)
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if err != nil {
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log.Printf("write error: %s", err)
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}
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log.Printf("got message %q", message)
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}
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if err := scanner.Err(); err != nil {
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log.Printf("scanner error: %s", err)
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break
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}
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}
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_ = svc.Close()
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if err := svc.Wait(); err != nil {
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return err
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}
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return nil
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}
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