72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
// Listener example.
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//
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// To the extent possible under law, Yawning Angel waived all copyright
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// and related or neighboring rights to bulb, using the creative
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// commons "cc0" public domain dedication. See LICENSE or
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// <http://creativecommons.org/publicdomain/zero/1.0/> for full details.
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package main
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import (
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"crypto/rand"
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"crypto/rsa"
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"io"
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"log"
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"net/http"
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"github.com/yawning/bulb"
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"github.com/yawning/bulb/utils/pkcs1"
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)
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func onionServer(w http.ResponseWriter, req *http.Request) {
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io.WriteString(w, "hello, onion world!\n")
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}
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func main() {
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// Connect to a running tor instance.
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// * TCP: c, err := bulb.Dial("tcp4", "127.0.0.1:9051")
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c, err := bulb.Dial("unix", "/var/run/tor/control")
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if err != nil {
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log.Fatalf("failed to connect to control port: %v", err)
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}
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defer c.Close()
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// See what's really going on under the hood.
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// Do not enable in production.
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c.Debug(true)
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// Authenticate with the control port. The password argument
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// here can be "" if no password is set (CookieAuth, no auth).
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if err := c.Authenticate("ExamplePassword"); err != nil {
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log.Fatalf("Authentication failed: %v", err)
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}
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// Generate a private key and create a port 80 Onion Service.
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//
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// For one-shot services:` l, err := c.Listener(80, nil)` is considerably
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// easier.
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pk, err := rsa.GenerateKey(rand.Reader, 1024)
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if err != nil {
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log.Fatalf("Failed to generate RSA key")
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}
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id, err := pkcs1.OnionAddr(&pk.PublicKey)
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if err != nil {
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log.Fatalf("Failed to derive onion ID: %v", err)
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}
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log.Printf("Expected ID: %v", id)
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cfg := &bulb.NewOnionConfig{
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DiscardPK: true,
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PrivateKey: pk,
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}
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l, err := c.NewListener(cfg, 80)
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if err != nil {
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log.Fatalf("Failed to get Listener: %v", err)
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}
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defer l.Close()
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log.Printf("Listener: %s", l.Addr())
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http.HandleFunc("/", onionServer)
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http.Serve(l, nil)
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}
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