tordam

A library for peer discovery inside the Tor network
git clone https://git.parazyd.org/tordam
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commit 649e647cc468fbbedc35679dc2a821c9cd3debea
parent 6b40d0567149017082560dce7d7aebcd8949eb28
Author: parazyd <parazyd@dyne.org>
Date:   Mon, 11 Dec 2017 16:06:08 +0100

Add very primitive tests for dam-dir.

These tests try to crash or panic the directory daemon. They should fail
if such a thing occurs.

Diffstat:
Acmd/dam-dir/main_test.go | 177+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 177 insertions(+), 0 deletions(-)

diff --git a/cmd/dam-dir/main_test.go b/cmd/dam-dir/main_test.go @@ -0,0 +1,177 @@ +package main + +// See LICENSE file for copyright and license details. + +import ( + "encoding/base64" + "encoding/json" + "net/http" + "os" + "os/exec" + "syscall" + "testing" + "time" + + lib "github.com/parazyd/tor-dam/pkg/damlib" +) + +type msgStruct struct { + Secret string +} + +func postReq(data map[string]string) (*http.Response, error) { + msg, err := json.Marshal(data) + if err != nil { + return nil, err + } + resp, err := lib.HTTPPost("http://localhost:49371/announce", msg) + if err != nil { + return nil, err + } + return resp, nil +} + +func getRespText(resp *http.Response) (msgStruct, error) { + var m msgStruct + + decoder := json.NewDecoder(resp.Body) + err := decoder.Decode(&m) + if err != nil { + return m, err + } + + return m, nil +} + +func TestValidFirstHandshake(t *testing.T) { + // Valid 1/2 handshake request + req := map[string]string{ + "nodetype": "node", + "address": "22mobp7vrb7a4gt2.onion", + "message": "I am a DAM node!", + "signature": "BuB/Dv8E44CLzUX88K2Ab0lUNS9A0GSkHPtrFNNWZMihPMWN0ORhwMZBRnMJ8woPO3wSONBvEvaCXA2hvsVrUJTa+hnevQNyQXCRhdTVVuVXEpjyFzkMamxb6InrGqbsGGkEUqGMSr9aaQ85N02MMrM6T6JuyqSSssFg2xuO+P4=", + "secret": "", + } + resp, err := postReq(req) + if err != nil { + t.Error(err) + } + + if resp.StatusCode != 200 { + t.Error("Server did not respond with HTTP 200") + } + + m, err := getRespText(resp) + if err != nil { + t.Error(err) + } + decodedSecret, err := base64.StdEncoding.DecodeString(m.Secret) + if err != nil { + t.Error(err) + } + + if len(decodedSecret) != 128 { + t.Error("decodedSecret is not of correct length.") + } + + t.Log("Server replied:", m.Secret) +} + +func TestInvalidFirstHandshake(t *testing.T) { + // Invalid 1/2 handshake request + var req map[string]string + + // We don't actually care about the validity. We are rather trying to crash + // the directory daemon. + + // Invalid: nodetype + req = map[string]string{ + "nodetype": "foobar", + "address": "22mobp7vrb7a4gt2.onion", + "message": "I am a DAM node!", + "signature": "BuB/Dv8E44CLzUX88K2Ab0lUNS9A0GSkHPtrFNNWZMihPMWN0ORhwMZBRnMJ8woPO3wSONBvEvaCXA2hvsVrUJTa+hnevQNyQXCRhdTVVuVXEpjyFzkMamxb6InrGqbsGGkEUqGMSr9aaQ85N02MMrM6T6JuyqSSssFg2xuO+P4=", + "secret": "", + } + t.Log("Testing Invalid: nodetype") + resp, err := postReq(req) + if err != nil { + t.Error(err) + } + m, err := getRespText(resp) + if err != nil { + t.Error(err) + } else { + t.Log("Server replied:", m.Secret) + } + + // Invalid: address + req = map[string]string{ + "nodetype": "node", + "address": "11moup7v3b7a4gt20onion", + "message": "I am a DAM node!", + "signature": "BuB/Dv8E44CLzUX88K2Ab0lUNS9A0GSkHPtrFNNWZMihPMWN0ORhwMZBRnMJ8woPO3wSONBvEvaCXA2hvsVrUJTa+hnevQNyQXCRhdTVVuVXEpjyFzkMamxb6InrGqbsGGkEUqGMSr9aaQ85N02MMrM6T6JuyqSSssFg2xuO+P4=", + "secret": "", + } + t.Log("Testing Invalid: address") + resp, err = postReq(req) + if err != nil { + t.Error(err) + } + m, err = getRespText(resp) + if err != nil { + t.Error(err) + } else { + t.Log("Server replied:", m.Secret) + } + + // Invalid: message vs. signature + req = map[string]string{ + "nodetype": "node", + "address": "11moup7v3b7a4gt20onion", + "message": "I am a weird DAM node!", + "signature": "BuB/Dv8E44CLzUX88K2Ab0lUNS9A0GSkHPtrFNNWZMihPMWN0ORhwMZBRnMJ8woPO3wSONBvEvaCXA2hvsVrUJTa+hnevQNyQXCRhdTVVuVXEpjyFzkMamxb6InrGqbsGGkEUqGMSr9aaQ85N02MMrM6T6JuyqSSssFg2xuO+P4=", + "secret": "", + } + t.Log("Testing Invalid: message vs. signature") + resp, err = postReq(req) + if err != nil { + t.Error(err) + } + m, err = getRespText(resp) + if err != nil { + t.Error(err) + } else { + t.Log("Server replied:", m.Secret) + } + + // Invalid: signature format + req = map[string]string{ + "nodetype": "node", + "address": "11moup7v3b7a4gt20onion", + "message": "I am a DAM node!", + "signature": "this is not base64", + "secret": "", + } + t.Log("Testing Invalid: signature format") + resp, err = postReq(req) + if err != nil { + t.Error(err) + } + m, err = getRespText(resp) + if err != nil { + t.Error(err) + } else { + t.Log("Server replied:", m.Secret) + } +} + +func TestMain(m *testing.M) { + cmd := exec.Command("./dam-dir") + cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true} + cmd.Start() + time.Sleep(1000 * time.Millisecond) + + ex := m.Run() + syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL) + os.Exit(ex) +}