mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-13 02:10:56 +01:00
06860c4c10
This PR adds support for SSH access through the NetBird network without managing SSH skeys. NetBird client app has an embedded SSH server (Linux/Mac only) and a netbird ssh command.
397 lines
10 KiB
Go
397 lines
10 KiB
Go
package client
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import (
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"context"
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"net"
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"path/filepath"
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"sync"
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"testing"
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"time"
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"github.com/netbirdio/netbird/client/system"
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"github.com/netbirdio/netbird/encryption"
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"github.com/netbirdio/netbird/management/proto"
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mgmtProto "github.com/netbirdio/netbird/management/proto"
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mgmt "github.com/netbirdio/netbird/management/server"
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"github.com/netbirdio/netbird/management/server/mock_server"
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log "github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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"github.com/netbirdio/netbird/util"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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const ValidKey = "A2C8E62B-38F5-4553-B31E-DD66C696CEBB"
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func startManagement(t *testing.T) (*grpc.Server, net.Listener) {
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level, _ := log.ParseLevel("debug")
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log.SetLevel(level)
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testDir := t.TempDir()
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config := &mgmt.Config{}
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_, err := util.ReadJson("../server/testdata/management.json", config)
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if err != nil {
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t.Fatal(err)
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}
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config.Datadir = testDir
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err = util.CopyFileContents("../server/testdata/store.json", filepath.Join(testDir, "store.json"))
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if err != nil {
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t.Fatal(err)
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}
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lis, err := net.Listen("tcp", ":0")
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if err != nil {
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t.Fatal(err)
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}
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s := grpc.NewServer()
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store, err := mgmt.NewStore(config.Datadir)
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if err != nil {
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t.Fatal(err)
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}
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peersUpdateManager := mgmt.NewPeersUpdateManager()
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accountManager, err := mgmt.BuildManager(store, peersUpdateManager, nil)
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if err != nil {
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t.Fatal(err)
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}
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turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
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mgmtServer, err := mgmt.NewServer(config, accountManager, peersUpdateManager, turnManager)
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if err != nil {
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t.Fatal(err)
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}
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mgmtProto.RegisterManagementServiceServer(s, mgmtServer)
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go func() {
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if err := s.Serve(lis); err != nil {
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t.Error(err)
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return
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}
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}()
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return s, lis
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}
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func startMockManagement(t *testing.T) (*grpc.Server, net.Listener, *mock_server.ManagementServiceServerMock, wgtypes.Key) {
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lis, err := net.Listen("tcp", ":0")
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if err != nil {
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t.Fatal(err)
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}
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s := grpc.NewServer()
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serverKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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mgmtMockServer := &mock_server.ManagementServiceServerMock{
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GetServerKeyFunc: func(context.Context, *proto.Empty) (*proto.ServerKeyResponse, error) {
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response := &proto.ServerKeyResponse{
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Key: serverKey.PublicKey().String(),
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}
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return response, nil
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},
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}
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mgmtProto.RegisterManagementServiceServer(s, mgmtMockServer)
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go func() {
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if err := s.Serve(lis); err != nil {
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t.Error(err)
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return
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}
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}()
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return s, lis, mgmtMockServer, serverKey
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}
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func closeManagementSilently(s *grpc.Server, listener net.Listener) {
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s.GracefulStop()
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err := listener.Close()
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if err != nil {
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log.Warnf("error while closing management listener %v", err)
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return
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}
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}
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func TestClient_GetServerPublicKey(t *testing.T) {
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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s, listener := startManagement(t)
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defer closeManagementSilently(s, listener)
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client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
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if err != nil {
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t.Fatal(err)
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}
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key, err := client.GetServerPublicKey()
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if err != nil {
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t.Error("couldn't retrieve management public key")
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}
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if key == nil {
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t.Error("got an empty management public key")
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}
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}
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func TestClient_LoginUnregistered_ShouldThrow_401(t *testing.T) {
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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s, listener := startManagement(t)
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defer closeManagementSilently(s, listener)
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client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
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if err != nil {
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t.Fatal(err)
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}
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key, err := client.GetServerPublicKey()
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if err != nil {
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t.Fatal(err)
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}
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sysInfo := system.GetInfo(context.TODO())
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_, err = client.Login(*key, sysInfo, nil)
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if err == nil {
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t.Error("expecting err on unregistered login, got nil")
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}
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if s, ok := status.FromError(err); !ok || s.Code() != codes.PermissionDenied {
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t.Errorf("expecting err code %d denied on on unregistered login got %d", codes.PermissionDenied, s.Code())
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}
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}
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func TestClient_LoginRegistered(t *testing.T) {
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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s, listener := startManagement(t)
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defer closeManagementSilently(s, listener)
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client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
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if err != nil {
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t.Fatal(err)
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}
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key, err := client.GetServerPublicKey()
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if err != nil {
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t.Error(err)
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}
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info := system.GetInfo(context.TODO())
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resp, err := client.Register(*key, ValidKey, "", info, nil)
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if err != nil {
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t.Error(err)
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}
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if resp == nil {
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t.Error("expecting non nil response, got nil")
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}
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}
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func TestClient_Sync(t *testing.T) {
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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s, listener := startManagement(t)
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defer closeManagementSilently(s, listener)
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client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
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if err != nil {
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t.Fatal(err)
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}
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serverKey, err := client.GetServerPublicKey()
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if err != nil {
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t.Error(err)
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}
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info := system.GetInfo(context.TODO())
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_, err = client.Register(*serverKey, ValidKey, "", info, nil)
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if err != nil {
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t.Error(err)
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}
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// create and register second peer (we should receive on Sync request)
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remoteKey, err := wgtypes.GenerateKey()
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if err != nil {
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t.Error(err)
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}
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remoteClient, err := NewClient(context.TODO(), listener.Addr().String(), remoteKey, false)
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if err != nil {
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t.Fatal(err)
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}
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info = system.GetInfo(context.TODO())
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_, err = remoteClient.Register(*serverKey, ValidKey, "", info, nil)
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if err != nil {
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t.Fatal(err)
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}
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ch := make(chan *mgmtProto.SyncResponse, 1)
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go func() {
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err = client.Sync(func(msg *mgmtProto.SyncResponse) error {
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ch <- msg
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return nil
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})
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if err != nil {
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return
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}
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}()
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select {
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case resp := <-ch:
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if resp.GetPeerConfig() == nil {
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t.Error("expecting non nil PeerConfig got nil")
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}
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if resp.GetWiretrusteeConfig() == nil {
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t.Error("expecting non nil WiretrusteeConfig got nil")
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}
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if len(resp.GetRemotePeers()) != 1 {
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t.Errorf("expecting RemotePeers size %d got %d", 1, len(resp.GetRemotePeers()))
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return
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}
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if resp.GetRemotePeersIsEmpty() == true {
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t.Error("expecting RemotePeers property to be false, got true")
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}
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if resp.GetRemotePeers()[0].GetWgPubKey() != remoteKey.PublicKey().String() {
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t.Errorf("expecting RemotePeer public key %s got %s", remoteKey.PublicKey().String(), resp.GetRemotePeers()[0].GetWgPubKey())
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}
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case <-time.After(3 * time.Second):
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t.Error("timeout waiting for test to finish")
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}
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}
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func Test_SystemMetaDataFromClient(t *testing.T) {
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s, lis, mgmtMockServer, serverKey := startMockManagement(t)
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defer s.GracefulStop()
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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log.Fatal(err)
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}
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serverAddr := lis.Addr().String()
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ctx := context.Background()
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testClient, err := NewClient(ctx, serverAddr, testKey, false)
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if err != nil {
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log.Fatalf("error while creating testClient: %v", err)
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}
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key, err := testClient.GetServerPublicKey()
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if err != nil {
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log.Fatalf("error while getting server public key from testclient, %v", err)
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}
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var actualMeta *proto.PeerSystemMeta
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var actualValidKey string
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var wg sync.WaitGroup
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wg.Add(1)
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mgmtMockServer.LoginFunc = func(ctx context.Context, msg *proto.EncryptedMessage) (*proto.EncryptedMessage, error) {
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peerKey, err := wgtypes.ParseKey(msg.GetWgPubKey())
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if err != nil {
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log.Warnf("error while parsing peer's Wireguard public key %s on Sync request.", msg.WgPubKey)
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return nil, status.Errorf(codes.InvalidArgument, "provided wgPubKey %s is invalid", msg.WgPubKey)
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}
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loginReq := &proto.LoginRequest{}
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err = encryption.DecryptMessage(peerKey, serverKey, msg.Body, loginReq)
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if err != nil {
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log.Fatal(err)
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}
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actualMeta = loginReq.GetMeta()
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actualValidKey = loginReq.GetSetupKey()
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wg.Done()
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loginResp := &proto.LoginResponse{}
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encryptedResp, err := encryption.EncryptMessage(peerKey, serverKey, loginResp)
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if err != nil {
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return nil, err
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}
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return &mgmtProto.EncryptedMessage{
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WgPubKey: serverKey.PublicKey().String(),
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Body: encryptedResp,
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Version: 0,
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}, nil
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}
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info := system.GetInfo(context.TODO())
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_, err = testClient.Register(*key, ValidKey, "", info, nil)
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if err != nil {
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t.Errorf("error while trying to register client: %v", err)
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}
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wg.Wait()
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expectedMeta := &proto.PeerSystemMeta{
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Hostname: info.Hostname,
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GoOS: info.GoOS,
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Kernel: info.Kernel,
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Core: info.OSVersion,
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Platform: info.Platform,
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OS: info.OS,
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WiretrusteeVersion: info.WiretrusteeVersion,
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}
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assert.Equal(t, ValidKey, actualValidKey)
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assert.Equal(t, expectedMeta, actualMeta)
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}
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func Test_GetDeviceAuthorizationFlow(t *testing.T) {
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s, lis, mgmtMockServer, serverKey := startMockManagement(t)
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defer s.GracefulStop()
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testKey, err := wgtypes.GenerateKey()
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if err != nil {
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log.Fatal(err)
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}
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serverAddr := lis.Addr().String()
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ctx := context.Background()
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client, err := NewClient(ctx, serverAddr, testKey, false)
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if err != nil {
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log.Fatalf("error while creating testClient: %v", err)
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}
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expectedFlowInfo := &proto.DeviceAuthorizationFlow{
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Provider: 0,
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ProviderConfig: &proto.ProviderConfig{ClientID: "client"},
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}
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mgmtMockServer.GetDeviceAuthorizationFlowFunc = func(ctx context.Context, req *mgmtProto.EncryptedMessage) (*proto.EncryptedMessage, error) {
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encryptedResp, err := encryption.EncryptMessage(serverKey, client.key, expectedFlowInfo)
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if err != nil {
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return nil, err
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}
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return &mgmtProto.EncryptedMessage{
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WgPubKey: serverKey.PublicKey().String(),
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Body: encryptedResp,
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Version: 0,
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}, nil
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}
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flowInfo, err := client.GetDeviceAuthorizationFlow(serverKey)
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if err != nil {
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t.Error("error while retrieving device auth flow information")
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}
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assert.Equal(t, expectedFlowInfo.Provider, flowInfo.Provider, "provider should match")
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assert.Equal(t, expectedFlowInfo.ProviderConfig.ClientID, flowInfo.ProviderConfig.ClientID, "provider configured client ID should match")
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}
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