mirror of
https://github.com/juanfont/headscale.git
synced 2025-10-28 10:51:44 +01:00
Add negative tests
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby
Kristoffer Dalby
parent
f610be632e
commit
e28d308796
@ -2,27 +2,35 @@ package integration
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import (
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/juanfont/headscale"
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"github.com/juanfont/headscale/integration/hsic"
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"github.com/juanfont/headscale/integration/tsic"
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"github.com/stretchr/testify/assert"
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)
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var retry = func(times int, sleepInterval time.Duration, doWork func() (string, error)) (string, error) {
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var retry = func(times int, sleepInterval time.Duration,
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doWork func() (string, string, error),
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) (string, string, error) {
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var result string
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var stderr string
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var err error
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for attempts := 0; attempts < times; attempts++ {
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var result string
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result, err = doWork()
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tempResult, tempStderr, err := doWork()
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result += tempResult
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stderr += tempStderr
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if err == nil {
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return result, nil
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return result, stderr, nil
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}
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time.Sleep(sleepInterval)
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}
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return "", err
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return result, stderr, err
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}
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func TestSSHOneNamespaceAllToAll(t *testing.T) {
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@ -81,26 +89,16 @@ func TestSSHOneNamespaceAllToAll(t *testing.T) {
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t.Errorf("failed to get FQDNs: %s", err)
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}
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success := 0
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for _, client := range allClients {
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for _, peer := range allClients {
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if client.Hostname() == peer.Hostname() {
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continue
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}
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if doSSH(t, client, peer) {
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success++
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}
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assertSSHHostname(t, client, peer)
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}
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}
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t.Logf(
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"%d successful pings out of %d",
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success,
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(len(allClients)*len(allClients))-len(allClients),
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)
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err = scenario.Shutdown()
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if err != nil {
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t.Errorf("failed to tear down scenario: %s", err)
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@ -169,14 +167,10 @@ func TestSSHMultipleNamespacesAllToAll(t *testing.T) {
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t.Errorf("failed to get FQDNs: %s", err)
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}
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success := 0
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testInterNamespaceSSH := func(sourceClients []TailscaleClient, targetClients []TailscaleClient) {
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for _, client := range sourceClients {
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for _, peer := range targetClients {
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if doSSH(t, client, peer) {
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success++
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}
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assertSSHHostname(t, client, peer)
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}
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}
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}
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@ -184,11 +178,71 @@ func TestSSHMultipleNamespacesAllToAll(t *testing.T) {
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testInterNamespaceSSH(nsOneClients, nsTwoClients)
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testInterNamespaceSSH(nsTwoClients, nsOneClients)
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t.Logf(
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"%d successful pings out of %d",
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success,
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((len(nsOneClients)*len(nsOneClients))-len(nsOneClients))*2,
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err = scenario.Shutdown()
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if err != nil {
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t.Errorf("failed to tear down scenario: %s", err)
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}
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}
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func TestSSHNoSSHConfigured(t *testing.T) {
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IntegrationSkip(t)
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scenario, err := NewScenario()
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if err != nil {
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t.Errorf("failed to create scenario: %s", err)
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}
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spec := map[string]int{
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"namespace1": len(TailscaleVersions) - 5,
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}
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err = scenario.CreateHeadscaleEnv(spec,
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[]tsic.Option{tsic.WithSSH()},
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hsic.WithACLPolicy(
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&headscale.ACLPolicy{
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Groups: map[string][]string{
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"group:integration-test": {"namespace1"},
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},
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ACLs: []headscale.ACL{
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{
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Action: "accept",
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Sources: []string{"*"},
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Destinations: []string{"*:*"},
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},
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},
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SSHs: []headscale.SSH{},
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},
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),
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hsic.WithTestName("sshnoneconfigured"),
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)
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if err != nil {
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t.Errorf("failed to create headscale environment: %s", err)
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}
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allClients, err := scenario.ListTailscaleClients()
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if err != nil {
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t.Errorf("failed to get clients: %s", err)
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}
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err = scenario.WaitForTailscaleSync()
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if err != nil {
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t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
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}
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_, err = scenario.ListTailscaleClientsFQDNs()
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if err != nil {
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t.Errorf("failed to get FQDNs: %s", err)
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}
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for _, client := range allClients {
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for _, peer := range allClients {
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if client.Hostname() == peer.Hostname() {
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continue
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}
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assertSSHPermissionDenied(t, client, peer)
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}
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}
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err = scenario.Shutdown()
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if err != nil {
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@ -196,45 +250,242 @@ func TestSSHMultipleNamespacesAllToAll(t *testing.T) {
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}
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}
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func doSSH(t *testing.T, client TailscaleClient, peer TailscaleClient) bool {
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func TestSSHIsBlockedInACL(t *testing.T) {
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IntegrationSkip(t)
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scenario, err := NewScenario()
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if err != nil {
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t.Errorf("failed to create scenario: %s", err)
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}
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spec := map[string]int{
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"namespace1": len(TailscaleVersions) - 5,
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}
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err = scenario.CreateHeadscaleEnv(spec,
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[]tsic.Option{tsic.WithSSH()},
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hsic.WithACLPolicy(
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&headscale.ACLPolicy{
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Groups: map[string][]string{
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"group:integration-test": {"namespace1"},
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},
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ACLs: []headscale.ACL{
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{
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Action: "accept",
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Sources: []string{"*"},
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Destinations: []string{"*:80"},
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},
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},
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SSHs: []headscale.SSH{
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{
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Action: "accept",
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Sources: []string{"group:integration-test"},
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Destinations: []string{"group:integration-test"},
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Users: []string{"ssh-it-user"},
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},
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},
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},
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),
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hsic.WithTestName("sshisblockedinacl"),
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)
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if err != nil {
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t.Errorf("failed to create headscale environment: %s", err)
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}
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allClients, err := scenario.ListTailscaleClients()
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if err != nil {
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t.Errorf("failed to get clients: %s", err)
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}
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err = scenario.WaitForTailscaleSync()
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if err != nil {
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t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
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}
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_, err = scenario.ListTailscaleClientsFQDNs()
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if err != nil {
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t.Errorf("failed to get FQDNs: %s", err)
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}
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for _, client := range allClients {
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for _, peer := range allClients {
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if client.Hostname() == peer.Hostname() {
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continue
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}
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assertSSHTimeout(t, client, peer)
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}
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}
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err = scenario.Shutdown()
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if err != nil {
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t.Errorf("failed to tear down scenario: %s", err)
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}
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}
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func TestSSNamespaceOnlyIsolation(t *testing.T) {
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IntegrationSkip(t)
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scenario, err := NewScenario()
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if err != nil {
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t.Errorf("failed to create scenario: %s", err)
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}
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spec := map[string]int{
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"namespaceacl1": len(TailscaleVersions) - 5,
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"namespaceacl2": len(TailscaleVersions) - 5,
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}
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err = scenario.CreateHeadscaleEnv(spec,
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[]tsic.Option{tsic.WithSSH()},
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hsic.WithACLPolicy(
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&headscale.ACLPolicy{
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Groups: map[string][]string{
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"group:ssh1": {"namespaceacl1"},
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"group:ssh2": {"namespaceacl2"},
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},
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ACLs: []headscale.ACL{
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{
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Action: "accept",
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Sources: []string{"*"},
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Destinations: []string{"*:*"},
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},
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},
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SSHs: []headscale.SSH{
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{
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Action: "accept",
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Sources: []string{"group:ssh1"},
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Destinations: []string{"group:ssh1"},
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Users: []string{"ssh-it-user"},
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},
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{
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Action: "accept",
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Sources: []string{"group:ssh2"},
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Destinations: []string{"group:ssh2"},
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Users: []string{"ssh-it-user"},
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},
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},
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},
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),
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hsic.WithTestName("sshtwonamespaceaclblock"),
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)
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if err != nil {
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t.Errorf("failed to create headscale environment: %s", err)
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}
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ssh1Clients, err := scenario.ListTailscaleClients("namespaceacl1")
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if err != nil {
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t.Errorf("failed to get clients: %s", err)
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}
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ssh2Clients, err := scenario.ListTailscaleClients("namespaceacl2")
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if err != nil {
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t.Errorf("failed to get clients: %s", err)
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}
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err = scenario.WaitForTailscaleSync()
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if err != nil {
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t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
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}
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_, err = scenario.ListTailscaleClientsFQDNs()
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if err != nil {
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t.Errorf("failed to get FQDNs: %s", err)
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}
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// TODO(kradalby,evenh): ACLs do currently not cover reject
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// cases properly, and currently will accept all incomming connections
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// as long as a rule is present.
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//
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// for _, client := range ssh1Clients {
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// for _, peer := range ssh2Clients {
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// if client.Hostname() == peer.Hostname() {
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// continue
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// }
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//
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// assertSSHPermissionDenied(t, client, peer)
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// }
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// }
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//
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// for _, client := range ssh2Clients {
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// for _, peer := range ssh1Clients {
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// if client.Hostname() == peer.Hostname() {
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// continue
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// }
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//
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// assertSSHPermissionDenied(t, client, peer)
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// }
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// }
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for _, client := range ssh1Clients {
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for _, peer := range ssh1Clients {
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if client.Hostname() == peer.Hostname() {
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continue
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}
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assertSSHHostname(t, client, peer)
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}
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}
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for _, client := range ssh2Clients {
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for _, peer := range ssh2Clients {
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if client.Hostname() == peer.Hostname() {
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continue
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}
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assertSSHHostname(t, client, peer)
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}
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}
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err = scenario.Shutdown()
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if err != nil {
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t.Errorf("failed to tear down scenario: %s", err)
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}
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}
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func doSSH(t *testing.T, client TailscaleClient, peer TailscaleClient) (string, string, error) {
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t.Helper()
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clientFQDN, _ := client.FQDN()
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peerFQDN, _ := peer.FQDN()
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success := false
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command := []string{
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"ssh", "-o StrictHostKeyChecking=no", "-o ConnectTimeout=1",
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fmt.Sprintf("%s@%s", "ssh-it-user", peerFQDN),
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"'hostname'",
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}
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t.Run(
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fmt.Sprintf("%s-%s", clientFQDN, peerFQDN),
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func(t *testing.T) {
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command := []string{
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"ssh", "-o StrictHostKeyChecking=no", "-o ConnectTimeout=1",
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fmt.Sprintf("%s@%s", "ssh-it-user", peerFQDN),
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"'hostname'",
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}
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result, err := retry(10, 1*time.Second, func() (string, error) {
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result, _, err := client.Execute(command)
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return result, err
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})
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if err != nil {
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t.Errorf("failed to execute command over SSH: %s", err)
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}
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if strings.Contains(peer.ID(), result) {
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t.Logf(
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"failed to get correct container ID from %s, expected: %s, got: %s",
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peer.Hostname(),
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peer.ID(),
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result,
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)
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t.Fail()
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} else {
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success = true
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}
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},
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)
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return success
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return retry(10, 1*time.Second, func() (string, string, error) {
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return client.Execute(command)
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})
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}
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func assertSSHHostname(t *testing.T, client TailscaleClient, peer TailscaleClient) {
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t.Helper()
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result, _, err := doSSH(t, client, peer)
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assert.NoError(t, err)
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assert.Contains(t, peer.ID(), result)
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}
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func assertSSHPermissionDenied(t *testing.T, client TailscaleClient, peer TailscaleClient) {
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t.Helper()
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result, stderr, err := doSSH(t, client, peer)
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assert.Error(t, err)
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assert.Empty(t, result)
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assert.Contains(t, stderr, "Permission denied (tailscale)")
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}
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func assertSSHTimeout(t *testing.T, client TailscaleClient, peer TailscaleClient) {
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t.Helper()
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result, stderr, err := doSSH(t, client, peer)
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assert.NoError(t, err)
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assert.Empty(t, result)
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assert.Contains(t, stderr, "Connection timed out")
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}
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