blob: dd0a3346ccd5a52c7c9c37c051fb5b8f983bf52c [file] [log] [blame]
// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package keymgr
import (
"io/ioutil"
"os"
"path/filepath"
"reflect"
"syscall"
"testing"
"v.io/v23"
"v.io/v23/context"
"v.io/v23/security"
"v.io/x/ref/services/agent/agentlib"
"v.io/x/ref/services/agent/internal/server"
"v.io/x/ref/test"
_ "v.io/x/ref/runtime/factories/generic"
)
func createAgent(ctx *context.T, path string) (*Agent, func(), error) {
var defers []func()
cleanup := func() {
for _, f := range defers {
f()
}
}
sock, err := server.RunKeyManager(ctx, path, nil)
var agent *Agent
if sock != nil {
defers = append(defers, func() { os.RemoveAll(path) })
defers = append(defers, func() { sock.Close() })
fd, err := syscall.Dup(int(sock.Fd()))
if err != nil {
return nil, cleanup, err
}
agent, err = newAgent(fd)
}
return agent, cleanup, err
}
func TestNoDeviceManager(t *testing.T) {
ctx, shutdown := test.V23Init()
defer shutdown()
agent, cleanup, err := createAgent(ctx, "")
defer cleanup()
if err == nil {
t.Fatal(err)
}
if agent != nil {
t.Fatal("No agent should be created when key path is empty")
}
}
func createClient(ctx *context.T, deviceAgent *Agent, id []byte) (security.Principal, error) {
file, err := deviceAgent.NewConnection(id)
if err != nil {
return nil, err
}
defer file.Close()
return createClient2(ctx, file)
}
func createClient2(ctx *context.T, conn *os.File) (security.Principal, error) {
fd, err := syscall.Dup(int(conn.Fd()))
if err != nil {
return nil, err
}
ep, err := v23.NewEndpoint(agentlib.AgentEndpoint(fd))
if err != nil {
return nil, err
}
return agentlib.NewAgentPrincipal(ctx, ep, v23.GetClient(ctx))
}
func TestSigning(t *testing.T) {
ctx, shutdown := test.V23Init()
defer shutdown()
path, err := ioutil.TempDir("", "agent")
if err != nil {
t.Fatal(err)
}
agent, cleanup, err := createAgent(ctx, path)
defer cleanup()
if err != nil {
t.Fatal(err)
}
id1, conn1, err := agent.NewPrincipal(ctx, false)
if err != nil {
t.Fatal(err)
}
conn1.Close()
id2, conn2, err := agent.NewPrincipal(ctx, false)
if err != nil {
t.Fatal(err)
}
conn2.Close()
dir, err := os.Open(filepath.Join(path, "keys"))
if err != nil {
t.Fatal(err)
}
files, err := dir.Readdir(-1)
if err != nil {
t.Fatal(err)
}
if len(files) != 2 {
t.Errorf("Expected 2 files created, found %d", len(files))
}
a, err := createClient(ctx, agent, id1)
if err != nil {
t.Fatal(err)
}
b, err := createClient(ctx, agent, id2)
if err != nil {
t.Fatal(err)
}
if reflect.DeepEqual(a.PublicKey(), b.PublicKey()) {
t.Fatal("Keys should not be equal")
}
sig1, err := a.Sign([]byte("foobar"))
if err != nil {
t.Fatal(err)
}
sig2, err := b.Sign([]byte("foobar"))
if err != nil {
t.Fatal(err)
}
if !sig1.Verify(a.PublicKey(), []byte("foobar")) {
t.Errorf("Signature a fails verification")
}
if !sig2.Verify(b.PublicKey(), []byte("foobar")) {
t.Errorf("Signature b fails verification")
}
if sig2.Verify(a.PublicKey(), []byte("foobar")) {
t.Errorf("Signatures should not cross verify")
}
}
func TestInMemorySigning(t *testing.T) {
ctx, shutdown := test.V23Init()
defer shutdown()
path, err := ioutil.TempDir("", "agent")
if err != nil {
t.Fatal(err)
}
agent, cleanup, err := createAgent(ctx, path)
defer cleanup()
if err != nil {
t.Fatal(err)
}
id, conn, err := agent.NewPrincipal(ctx, true)
if err != nil {
t.Fatal(err)
}
dir, err := os.Open(filepath.Join(path, "keys"))
if err != nil {
t.Fatal(err)
}
files, err := dir.Readdir(-1)
if err != nil {
t.Fatal(err)
}
if len(files) != 0 {
t.Errorf("Expected 0 files created, found %d", len(files))
}
c, err := createClient2(ctx, conn)
if err != nil {
t.Fatal(err)
}
sig, err := c.Sign([]byte("foobar"))
if err != nil {
t.Fatal(err)
}
if !sig.Verify(c.PublicKey(), []byte("foobar")) {
t.Errorf("Signature a fails verification")
}
c2, err := createClient(ctx, agent, id)
if err != nil {
t.Fatal(err)
}
sig, err = c2.Sign([]byte("foobar"))
if err != nil {
t.Fatal(err)
}
if !sig.Verify(c.PublicKey(), []byte("foobar")) {
t.Errorf("Signature a fails verification")
}
}