open-vault/vault/testing.go

265 lines
8.0 KiB
Go

package vault
import (
"bytes"
"fmt"
"net"
"os/exec"
"testing"
"golang.org/x/crypto/ssh"
"github.com/hashicorp/vault/audit"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
"github.com/hashicorp/vault/physical"
)
// This file contains a number of methods that are useful for unit
// tests within other packages.
const (
testSharedPublicKey = `
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC9i+hFxZHGo6KblVme4zrAcJstR6I0PTJozW286X4WyvPnkMYDQ5mnhEYC7UWCvjoTWbPEXPX7NjhRtwQTGD67bV+lrxgfyzK1JZbUXK4PwgKJvQD+XyyWYMzDgGSQY61KUSqCxymSm/9NZkPU3ElaQ9xQuTzPpztM4ROfb8f2Yv6/ZESZsTo0MTAkp8Pcy+WkioI/uJ1H7zqs0EA4OMY4aDJRu0UtP4rTVeYNEAuRXdX+eH4aW3KMvhzpFTjMbaJHJXlEeUm2SaX5TNQyTOvghCeQILfYIL/Ca2ij8iwCmulwdV6eQGfd4VDu40PvSnmfoaE38o6HaPnX0kUcnKiT
`
testSharedPrivateKey = `
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
`
)
// TestCore returns a pure in-memory, uninitialized core for testing.
func TestCore(t *testing.T) *Core {
noopAudits := map[string]audit.Factory{
"noop": func(map[string]string) (audit.Backend, error) {
return new(noopAudit), nil
},
}
noopBackends := make(map[string]logical.Factory)
noopBackends["noop"] = func(*logical.BackendConfig) (logical.Backend, error) {
return new(framework.Backend), nil
}
noopBackends["http"] = func(*logical.BackendConfig) (logical.Backend, error) {
return new(rawHTTP), nil
}
logicalBackends := make(map[string]logical.Factory)
for backendName, backendFactory := range noopBackends {
logicalBackends[backendName] = backendFactory
}
for backendName, backendFactory := range testLogicalBackends {
logicalBackends[backendName] = backendFactory
}
physicalBackend := physical.NewInmem()
c, err := NewCore(&CoreConfig{
Physical: physicalBackend,
AuditBackends: noopAudits,
LogicalBackends: logicalBackends,
CredentialBackends: noopBackends,
DisableMlock: true,
})
if err != nil {
t.Fatalf("err: %s", err)
}
return c
}
// TestCoreInit initializes the core with a single key, and returns
// the key that must be used to unseal the core and a root token.
func TestCoreInit(t *testing.T, core *Core) ([]byte, string) {
result, err := core.Initialize(&SealConfig{
SecretShares: 1,
SecretThreshold: 1,
})
if err != nil {
t.Fatalf("err: %s", err)
}
return result.SecretShares[0], result.RootToken
}
// TestCoreUnsealed returns a pure in-memory core that is already
// initialized and unsealed.
func TestCoreUnsealed(t *testing.T) (*Core, []byte, string) {
core := TestCore(t)
key, token := TestCoreInit(t, core)
if _, err := core.Unseal(TestKeyCopy(key)); err != nil {
t.Fatalf("unseal err: %s", err)
}
sealed, err := core.Sealed()
if err != nil {
t.Fatalf("err checking seal status: %s", err)
}
if sealed {
t.Fatal("should not be sealed")
}
return core, key, token
}
// TestKeyCopy is a silly little function to just copy the key so that
// it can be used with Unseal easily.
func TestKeyCopy(key []byte) []byte {
result := make([]byte, len(key))
copy(result, key)
return result
}
var testLogicalBackends = map[string]logical.Factory{}
// Starts the test server which responds to SSH authentication.
// Used to test the SSH secret backend.
func StartTestServer() (string, error) {
pubKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(testSharedPublicKey))
if err != nil {
return "", fmt.Errorf("Error parsing public key")
}
serverConfig := &ssh.ServerConfig{
PublicKeyCallback: func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
if bytes.Compare(pubKey.Marshal(), key.Marshal()) == 0 {
return &ssh.Permissions{}, nil
} else {
return nil, fmt.Errorf("Key does not match")
}
},
}
signer, err := ssh.ParsePrivateKey([]byte(testSharedPrivateKey))
if err != nil {
panic("Error parsing private key")
}
serverConfig.AddHostKey(signer)
soc, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
return "", fmt.Errorf("Error listening to connection")
}
go func() {
for {
conn, err := soc.Accept()
if err != nil {
panic(fmt.Sprintf("Error accepting incoming connection: %s", err))
}
defer conn.Close()
sshConn, chanReqs, _, err := ssh.NewServerConn(conn, serverConfig)
if err != nil {
panic(fmt.Sprintf("Handshaking error: %v", err))
}
go func() {
for chanReq := range chanReqs {
go func(chanReq ssh.NewChannel) {
if chanReq.ChannelType() != "session" {
chanReq.Reject(ssh.UnknownChannelType, "unknown channel type")
return
}
ch, requests, err := chanReq.Accept()
if err != nil {
panic(fmt.Sprintf("Error accepting channel: %s", err))
}
go func(ch ssh.Channel, in <-chan *ssh.Request) {
for req := range in {
executeServerCommand(ch, req)
}
}(ch, requests)
}(chanReq)
}
sshConn.Close()
}()
}
}()
return soc.Addr().String(), nil
}
// This executes the commands requested to be run on the server.
// Used to test the SSH secret backend.
func executeServerCommand(ch ssh.Channel, req *ssh.Request) {
command := string(req.Payload[4:])
cmd := exec.Command("/bin/bash", []string{"-c", command}...)
req.Reply(true, nil)
cmd.Stdout = ch
cmd.Stderr = ch
cmd.Stdin = ch
err := cmd.Start()
if err != nil {
panic(fmt.Sprintf("Error starting the command: '%s'", err))
}
go func() {
_, err := cmd.Process.Wait()
if err != nil {
panic(fmt.Sprintf("Error while waiting for command to finish:'%s'", err))
}
ch.Close()
}()
}
// This adds a logical backend for the test core. This needs to be
// invoked before the test core is created.
func AddTestLogicalBackend(name string, factory logical.Factory) error {
if name == "" {
return fmt.Errorf("Missing backend name")
}
if factory == nil {
return fmt.Errorf("Missing backend factory function")
}
testLogicalBackends[name] = factory
return nil
}
type noopAudit struct{}
func (n *noopAudit) LogRequest(a *logical.Auth, r *logical.Request, e error) error {
return nil
}
func (n *noopAudit) LogResponse(a *logical.Auth, r *logical.Request, re *logical.Response, err error) error {
return nil
}
type rawHTTP struct{}
func (n *rawHTTP) HandleRequest(req *logical.Request) (*logical.Response, error) {
return &logical.Response{
Data: map[string]interface{}{
logical.HTTPStatusCode: 200,
logical.HTTPContentType: "plain/text",
logical.HTTPRawBody: []byte("hello world"),
},
}, nil
}
func (n *rawHTTP) SpecialPaths() *logical.Paths {
return &logical.Paths{Unauthenticated: []string{"*"}}
}