open-vault/http/forwarding_test.go

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package http
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"math/rand"
"net/http"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
cleanhttp "github.com/hashicorp/go-cleanhttp"
"github.com/hashicorp/vault/api"
credCert "github.com/hashicorp/vault/builtin/credential/cert"
"github.com/hashicorp/vault/builtin/logical/transit"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/vault"
)
func TestHTTP_Fallback_Bad_Address(t *testing.T) {
handler1 := http.NewServeMux()
handler2 := http.NewServeMux()
handler3 := http.NewServeMux()
coreConfig := &vault.CoreConfig{
LogicalBackends: map[string]logical.Factory{
"transit": transit.Factory,
},
ClusterAddr: "https://127.3.4.1:8382",
}
// Chicken-and-egg: Handler needs a core. So we create handlers first, then
// add routes chained to a Handler-created handler.
cores := vault.TestCluster(t, []http.Handler{handler1, handler2, handler3}, coreConfig, true)
for _, core := range cores {
defer core.CloseListeners()
}
handler1.Handle("/", Handler(cores[0].Core))
handler2.Handle("/", Handler(cores[1].Core))
handler3.Handle("/", Handler(cores[2].Core))
// make it easy to get access to the active
core := cores[0].Core
vault.TestWaitActive(t, core)
root := cores[0].Root
addrs := []string{
fmt.Sprintf("https://127.0.0.1:%d", cores[1].Listeners[0].Address.Port),
fmt.Sprintf("https://127.0.0.1:%d", cores[2].Listeners[0].Address.Port),
}
for _, addr := range addrs {
config := api.DefaultConfig()
config.Address = addr
config.HttpClient = cleanhttp.DefaultClient()
config.HttpClient.Transport.(*http.Transport).TLSClientConfig = cores[0].TLSConfig
client, err := api.NewClient(config)
if err != nil {
t.Fatal(err)
}
client.SetToken(root)
secret, err := client.Auth().Token().LookupSelf()
if err != nil {
t.Fatal(err)
}
if secret == nil {
t.Fatal("secret is nil")
}
if secret.Data["id"].(string) != root {
t.Fatal("token mismatch")
}
}
}
func TestHTTP_Fallback_Disabled(t *testing.T) {
handler1 := http.NewServeMux()
handler2 := http.NewServeMux()
handler3 := http.NewServeMux()
coreConfig := &vault.CoreConfig{
LogicalBackends: map[string]logical.Factory{
"transit": transit.Factory,
},
ClusterAddr: "empty",
}
// Chicken-and-egg: Handler needs a core. So we create handlers first, then
// add routes chained to a Handler-created handler.
cores := vault.TestCluster(t, []http.Handler{handler1, handler2, handler3}, coreConfig, true)
for _, core := range cores {
defer core.CloseListeners()
}
handler1.Handle("/", Handler(cores[0].Core))
handler2.Handle("/", Handler(cores[1].Core))
handler3.Handle("/", Handler(cores[2].Core))
// make it easy to get access to the active
core := cores[0].Core
vault.TestWaitActive(t, core)
root := cores[0].Root
addrs := []string{
fmt.Sprintf("https://127.0.0.1:%d", cores[1].Listeners[0].Address.Port),
fmt.Sprintf("https://127.0.0.1:%d", cores[2].Listeners[0].Address.Port),
}
for _, addr := range addrs {
config := api.DefaultConfig()
config.Address = addr
config.HttpClient = cleanhttp.DefaultClient()
config.HttpClient.Transport.(*http.Transport).TLSClientConfig = cores[0].TLSConfig
client, err := api.NewClient(config)
if err != nil {
t.Fatal(err)
}
client.SetToken(root)
secret, err := client.Auth().Token().LookupSelf()
if err != nil {
t.Fatal(err)
}
if secret == nil {
t.Fatal("secret is nil")
}
if secret.Data["id"].(string) != root {
t.Fatal("token mismatch")
}
}
}
// This function recreates the fuzzy testing from transit to pipe a large
// number of requests from the standbys to the active node.
func TestHTTP_Forwarding_Stress(t *testing.T) {
testPlaintext := "the quick brown fox"
testPlaintextB64 := "dGhlIHF1aWNrIGJyb3duIGZveA=="
handler1 := http.NewServeMux()
handler2 := http.NewServeMux()
handler3 := http.NewServeMux()
coreConfig := &vault.CoreConfig{
LogicalBackends: map[string]logical.Factory{
"transit": transit.Factory,
},
}
// Chicken-and-egg: Handler needs a core. So we create handlers first, then
// add routes chained to a Handler-created handler.
cores := vault.TestCluster(t, []http.Handler{handler1, handler2, handler3}, coreConfig, true)
for _, core := range cores {
defer core.CloseListeners()
}
handler1.Handle("/", Handler(cores[0].Core))
handler2.Handle("/", Handler(cores[1].Core))
handler3.Handle("/", Handler(cores[2].Core))
// make it easy to get access to the active
core := cores[0].Core
vault.TestWaitActive(t, core)
root := cores[0].Root
wg := sync.WaitGroup{}
funcs := []string{"encrypt", "decrypt", "rotate", "change_min_version"}
keys := []string{"test1", "test2", "test3"}
hosts := []string{
fmt.Sprintf("https://127.0.0.1:%d/v1/transit/", cores[1].Listeners[0].Address.Port),
fmt.Sprintf("https://127.0.0.1:%d/v1/transit/", cores[2].Listeners[0].Address.Port),
}
transport := cleanhttp.DefaultPooledTransport()
transport.TLSClientConfig = cores[0].TLSConfig
client := &http.Client{
Transport: transport,
CheckRedirect: func(*http.Request, []*http.Request) error {
return fmt.Errorf("redirects not allowed in this test")
},
}
//core.Logger().Printf("[TRACE] mounting transit")
req, err := http.NewRequest("POST", fmt.Sprintf("https://127.0.0.1:%d/v1/sys/mounts/transit", cores[0].Listeners[0].Address.Port),
bytes.NewBuffer([]byte("{\"type\": \"transit\"}")))
if err != nil {
t.Fatal(err)
}
req.Header.Set(AuthHeaderName, root)
_, err = client.Do(req)
if err != nil {
t.Fatal(err)
}
//core.Logger().Printf("[TRACE] done mounting transit")
var totalOps int64
var successfulOps int64
var key1ver int64 = 1
var key2ver int64 = 1
var key3ver int64 = 1
// This is the goroutine loop
doFuzzy := func(id int) {
// Check for panics, otherwise notify we're done
defer func() {
if err := recover(); err != nil {
core.Logger().Printf("[ERR] got a panic: %v", err)
t.Fail()
}
wg.Done()
}()
// Holds the latest encrypted value for each key
latestEncryptedText := map[string]string{}
startTime := time.Now()
client := &http.Client{
Transport: transport,
}
var chosenFunc, chosenKey, chosenHost string
doReq := func(method, url string, body io.Reader) (*http.Response, error) {
req, err := http.NewRequest(method, url, body)
if err != nil {
return nil, err
}
req.Header.Set(AuthHeaderName, root)
resp, err := client.Do(req)
if err != nil {
return nil, err
}
return resp, nil
}
doResp := func(resp *http.Response) (*api.Secret, error) {
if resp == nil {
return nil, fmt.Errorf("nil response")
}
defer resp.Body.Close()
// Make sure we weren't redirected
if resp.StatusCode > 300 && resp.StatusCode < 400 {
return nil, fmt.Errorf("got status code %d, resp was %#v", resp.StatusCode, *resp)
}
result := &api.Response{Response: resp}
err = result.Error()
if err != nil {
return nil, err
}
secret, err := api.ParseSecret(result.Body)
if err != nil {
return nil, err
}
return secret, nil
}
for _, chosenHost := range hosts {
for _, chosenKey := range keys {
// Try to write the key to make sure it exists
_, err := doReq("POST", chosenHost+"keys/"+chosenKey, bytes.NewBuffer([]byte("{}")))
if err != nil {
panic(err)
}
}
}
//core.Logger().Printf("[TRACE] Starting %d", id)
for {
// Stop after 10 seconds
if time.Now().Sub(startTime) > 10*time.Second {
return
}
atomic.AddInt64(&totalOps, 1)
// Pick a function and a key
chosenFunc = funcs[rand.Int()%len(funcs)]
chosenKey = keys[rand.Int()%len(keys)]
chosenHost = hosts[rand.Int()%len(hosts)]
switch chosenFunc {
// Encrypt our plaintext and store the result
case "encrypt":
//core.Logger().Printf("[TRACE] %s, %s, %d", chosenFunc, chosenKey, id)
resp, err := doReq("POST", chosenHost+"encrypt/"+chosenKey, bytes.NewBuffer([]byte(fmt.Sprintf("{\"plaintext\": \"%s\"}", testPlaintextB64))))
if err != nil {
panic(err)
}
secret, err := doResp(resp)
if err != nil {
panic(err)
}
latest := secret.Data["ciphertext"].(string)
if latest == "" {
panic(fmt.Errorf("bad ciphertext"))
}
latestEncryptedText[chosenKey] = secret.Data["ciphertext"].(string)
atomic.AddInt64(&successfulOps, 1)
// Decrypt the ciphertext and compare the result
case "decrypt":
ct := latestEncryptedText[chosenKey]
if ct == "" {
atomic.AddInt64(&successfulOps, 1)
continue
}
//core.Logger().Printf("[TRACE] %s, %s, %d", chosenFunc, chosenKey, id)
resp, err := doReq("POST", chosenHost+"decrypt/"+chosenKey, bytes.NewBuffer([]byte(fmt.Sprintf("{\"ciphertext\": \"%s\"}", ct))))
if err != nil {
panic(err)
}
secret, err := doResp(resp)
if err != nil {
// This could well happen since the min version is jumping around
if strings.Contains(err.Error(), transit.ErrTooOld) {
atomic.AddInt64(&successfulOps, 1)
continue
}
panic(err)
}
ptb64 := secret.Data["plaintext"].(string)
pt, err := base64.StdEncoding.DecodeString(ptb64)
if err != nil {
panic(fmt.Errorf("got an error decoding base64 plaintext: %v", err))
}
if string(pt) != testPlaintext {
panic(fmt.Errorf("got bad plaintext back: %s", pt))
}
atomic.AddInt64(&successfulOps, 1)
// Rotate to a new key version
case "rotate":
//core.Logger().Printf("[TRACE] %s, %s, %d", chosenFunc, chosenKey, id)
_, err := doReq("POST", chosenHost+"keys/"+chosenKey+"/rotate", bytes.NewBuffer([]byte("{}")))
if err != nil {
panic(err)
}
switch chosenKey {
case "test1":
atomic.AddInt64(&key1ver, 1)
case "test2":
atomic.AddInt64(&key2ver, 1)
case "test3":
atomic.AddInt64(&key3ver, 1)
}
atomic.AddInt64(&successfulOps, 1)
// Change the min version, which also tests the archive functionality
case "change_min_version":
var latestVersion int64
switch chosenKey {
case "test1":
latestVersion = atomic.LoadInt64(&key1ver)
case "test2":
latestVersion = atomic.LoadInt64(&key2ver)
case "test3":
latestVersion = atomic.LoadInt64(&key3ver)
}
setVersion := (rand.Int63() % latestVersion) + 1
//core.Logger().Printf("[TRACE] %s, %s, %d, new min version %d", chosenFunc, chosenKey, id, setVersion)
_, err := doReq("POST", chosenHost+"keys/"+chosenKey+"/config", bytes.NewBuffer([]byte(fmt.Sprintf("{\"min_decryption_version\": %d}", setVersion))))
if err != nil {
panic(err)
}
atomic.AddInt64(&successfulOps, 1)
}
}
}
// Spawn 20 of these workers for 10 seconds
for i := 0; i < 20; i++ {
wg.Add(1)
//core.Logger().Printf("[TRACE] spawning %d", i)
go doFuzzy(i)
}
// Wait for them all to finish
wg.Wait()
core.Logger().Printf("[TRACE] total operations tried: %d, total successful: %d", totalOps, successfulOps)
if totalOps != successfulOps {
t.Fatalf("total/successful ops mismatch: %d/%d", totalOps, successfulOps)
}
}
// This tests TLS connection state forwarding by ensuring that we can use a
// client TLS to authenticate against the cert backend
func TestHTTP_Forwarding_ClientTLS(t *testing.T) {
handler1 := http.NewServeMux()
handler2 := http.NewServeMux()
handler3 := http.NewServeMux()
coreConfig := &vault.CoreConfig{
CredentialBackends: map[string]logical.Factory{
"cert": credCert.Factory,
},
}
// Chicken-and-egg: Handler needs a core. So we create handlers first, then
// add routes chained to a Handler-created handler.
cores := vault.TestCluster(t, []http.Handler{handler1, handler2, handler3}, coreConfig, true)
for _, core := range cores {
defer core.CloseListeners()
}
handler1.Handle("/", Handler(cores[0].Core))
handler2.Handle("/", Handler(cores[1].Core))
handler3.Handle("/", Handler(cores[2].Core))
// make it easy to get access to the active
core := cores[0].Core
vault.TestWaitActive(t, core)
root := cores[0].Root
transport := cleanhttp.DefaultTransport()
transport.TLSClientConfig = cores[0].TLSConfig
client := &http.Client{
Transport: transport,
}
req, err := http.NewRequest("POST", fmt.Sprintf("https://127.0.0.1:%d/v1/sys/auth/cert", cores[0].Listeners[0].Address.Port),
bytes.NewBuffer([]byte("{\"type\": \"cert\"}")))
if err != nil {
t.Fatal(err)
}
req.Header.Set(AuthHeaderName, root)
_, err = client.Do(req)
if err != nil {
t.Fatal(err)
}
type certConfig struct {
Certificate string `json:"certificate"`
Policies string `json:"policies"`
}
encodedCertConfig, err := json.Marshal(&certConfig{
Certificate: vault.TestClusterCACert,
Policies: "default",
})
if err != nil {
t.Fatal(err)
}
req, err = http.NewRequest("POST", fmt.Sprintf("https://127.0.0.1:%d/v1/auth/cert/certs/test", cores[0].Listeners[0].Address.Port),
bytes.NewBuffer(encodedCertConfig))
if err != nil {
t.Fatal(err)
}
req.Header.Set(AuthHeaderName, root)
_, err = client.Do(req)
if err != nil {
t.Fatal(err)
}
addrs := []string{
fmt.Sprintf("https://127.0.0.1:%d", cores[1].Listeners[0].Address.Port),
fmt.Sprintf("https://127.0.0.1:%d", cores[2].Listeners[0].Address.Port),
}
// Ensure we can't possibly use lingering connections even though it should be to a different address
transport = cleanhttp.DefaultTransport()
transport.TLSClientConfig = cores[0].TLSConfig
client = &http.Client{
Transport: transport,
CheckRedirect: func(*http.Request, []*http.Request) error {
return fmt.Errorf("redirects not allowed in this test")
},
}
//cores[0].Logger().Printf("root token is %s", root)
//time.Sleep(4 * time.Hour)
for _, addr := range addrs {
config := api.DefaultConfig()
config.Address = addr
config.HttpClient = client
client, err := api.NewClient(config)
if err != nil {
t.Fatal(err)
}
secret, err := client.Logical().Write("auth/cert/login", nil)
if err != nil {
t.Fatal(err)
}
if secret == nil {
t.Fatal("secret is nil")
}
if secret.Auth == nil {
t.Fatal("auth is nil")
}
if secret.Auth.Policies == nil || len(secret.Auth.Policies) == 0 || secret.Auth.Policies[0] != "default" {
t.Fatalf("bad policies: %#v", secret.Auth.Policies)
}
}
}